YOSHIMURA RACING ACCOLADES

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2 Index Yoshimura Racing Accolades Racing Domination Rockstar/Makita Suzuki MX Team Rockstar/Makita Suzuki Superbike Team Research and Development, Manufacturing Road Slip-On and Full Systems Suzuki Street Slip-On and Full Systems Suzuki Supermoto Slip-On and Full Systems Honda Street Slip-On and Full Systems Yamaha Street Slip-On and Full Systems Kawasaki Street Slip-On and Full Systems BMW Street Slip-On and Full Systems KTM Street Slip-On Triumph/Ducati Street Slip-On Scooter Exhaust Off-Road Slip-On and Full Systems Suzuki Off-Road Slip-On and Full Systems Honda Off-Road Slip-On and Full Systems Yamaha Off-Road Slip-On and Full Systems Kawasaki Off-Road Slip-On and Full Systems BMW Off-Road Slip-On KTM Off-Road Slip-On and Full Systems ATV Slip-On and Full Systems Suzuki ATV Slip-On and Full Systems Honda/Yamaha ATV Slip-On and Full Systems Road Hard Parts Off-Road Hard Parts Off-Road Electronics and Camshafts Multi-Cylinder Engine Parts Multi-Cylinder Engine Electronics Multi-Cylinder Engine Services Single-Cylinder Engine Services Promotional Items 1

3 YOSHIMURA RACING ACCOLADES 1998 Suzuki TL1000R Steve Crevier Seventh Place AMA Superbike Nine Top Tens 2001 Suzuki GSX-R750 Mat Mladin First Place AMA Superbike Six Wins 2004 Suzuki GSX-R1000 Mat Mladin First Place AMA Superbike Seven Wins Mladin also won the title in 2005 with eleven wins 2008 Suzuki GSX-R1000 Ben Spies First Place AMA Superbike Ten Wins 2009 Suzuki GSX-R1000 Mat Mladin First Place AMA Superbike Ten Wins 2009 Suzuki QuadRacer R450 Chris Borich First Place GNCC XC1 ATV Champion 10 Wins Borich also won the title in 2010 with eleven wins 1999 Suzuki GSX-R750 Mat Mladin First Place AMA Superbike One Win Mladin also won the title in 2000 with four wins 2003 Suzuki GSX-R1000 Mat Mladin First Place AMA Superbike Ten Wins 2006 Suzuki GSX-R1000 Ben Spies First Place AMA Superbike Ten Wins Spies also won the title in 2007 with seven wins 2008 Suzuki GSX-R1000 Mat Mladin Second Place AMA Superbike Nine Wins 2009 Suzuki QuadRacer R450 Dustin Wimmer First Place AMA ATV MX Pro Class Champion 6 Wins Josh Creamer won the title in 2010 with six wins 2011 Suzuki RM-Z450 Ryan Dungey First Place AMA Supercross & Motocross 25 Wins THE FAMILY BUSINESS POPS DAYTONA Hideo Pops Yoshimura was born in 1922 in Fukuoka City, Japan. He was trained as a military airplane mechanic, but after his time in the service, he made a name for himself working on the BSA and Triumph motorcycles of American servicemen stationed in Japan in the 1950s. Pops reputation as a master bike tuner grew boundlessly, thanks to his talent for hand altering stock parts to make them perform more efficiently and produce more power. The first Yoshimura shop opened in Though Pops found himself tweaking planes, cars, and pretty much anything with a combustion engine, his true passion was motorcycles. Yoshimura s promise of performance and power lead to a constant influx of orders and the shop boomed with business. But Pops wanted more. His love of racing and his fascination with the legendary Daytona 200 fueled his move in Pops took leave of Yoshimura Japan and opened Yoshimura Research and Development in Los Angeles, California. That goal and passion led to Yoshimura s domination and success in AMA Superbike over the last several decades. Over the last ten years, Team Yoshimura Suzuki has won an unprecedented eight of ten AMA Superbike championships. As we all know, motorcycling passion never dies, so Pops made his way to Daytona every year for his favorite race. Pops passed away in 1995, but his legacy will live on forever in the history of Superbike racing. He was inducted into the 2 His singular goal was to race Superbikes in Daytona. AMA Motorcycle Hall of Fame in

4 ROADRACING DOMINATION The Yoshimura Suzuki Superbike team wants to monopolize the top spot on the podium. Period. Of course, it takes more than hard work and wanting it to succeed in road racing. Thankfully, Yoshimura s pedigree of outstanding racing for over five decades has given us the edge when it comes to laying rubber down on the track and organizing a successful race effort. We don t just work hard; we like to think that we work smart. As the old saying goes, A racing team is only as good as the sum of its parts. First and foremost, you need to have riders capable of taking a bike to the podium. Next, a world-class crew to build the machine and maintain it at its full potential is required. On top of that, you have to have management that guides the whole effort in the proper direction and, last but not least, you need a relationship with the factory that enables access to special parts. Yoshimura is fortunate to have all of these. When you add in Yoshimura s experience and dedication, and the incredible performance of the Suzuki GSX-R1000, you have a combination that s hard to beat. MAT MLADIN 82 SUPERBIKE WINS RYAN DUNGEY 2010 SUPERCROSS/MOTOCROSS CHAMPION MOTOCROSS DOMINATION Yoshimura has taken their championship-winning skills and put them to work on the supercross and motocross tracks. The popular RS-4 muffler and all-new dual-outlet RS-4D muffler are a testament to their drive and commitment to the off-road arena. Yoshimura has been supporting Team Honda Racing s supercross and motocross efforts for the last six years. It was in conjunction with Team Honda that the RS-4 was born. In 2010, they took on the Rockstar Makita Suzuki supercross and motocross effort with tremendous results titles in both the AMA Supercross and AMA Motocross Championships. Yoshimura has stepped up their participation for 2011 and is looking forward to another dominating year. 4 5

5 2011 SUPERCROSS/MOTOCROSS RYAN DUNGEY ROCKSTAR MAKITA SUZUKI There s really nothing like entering a racing season with a dominant rider and a dominant motorcycle. For 2011, Team Rockstar Makita Suzuki will do exactly that, with both Ryan Dungey and the all-conquering Yoshimura-equipped Suzuki RM-Z450 returning to the team with the goal of repeating what they did in 2010: Win everything there is to win. Dungey s 2010 season was historic, with the 21 year old becoming the first rookie to win both the AMA Supercross Championship and the AMA 450 Motocross Championship in the same season. Combine that with his Supercross Lites and AMA 250 Motocross Championships in 2009 and Dungey has won four consecutive titles on his RM-Zs, not to mention the 2009 and 2010 MX des Nations titles as well. The RM-Z450 is the most dominant motocrosser in the four-stroke era and that s not expected to change this year, with Dungey and newcomer Brett Metcalfe set to ride the 2011 model in the premiere 450 classes in both Supercross and Motocross. They will do so in a team led by new team manager, Mike Webb, an accomplished racer himself who has led Suzuki to 22 major championships in the off-road sector as that team s longtime manager. And Webb will be joined by Suzuki Racing Advisor, Ricky Carmichael, the legend who really needs no introduction. Carmichael has a long and storied history with Suzuki and as the man universally considered the best Supercross and Motocross racer of all time, he will help guide Dungey and Metcalfe to further greatness in The team will also benefit greatly from its stepped-up partnership with Yoshimura Yoshimura knows racing. 6 7

6 2011 YOSHIMURA SUPERBIKE TEAM Yoshimura Suzuki is looking to have another championship year in 2011 and has the team to do it. Rockstar Makita Suzuki s Tommy Hayden did very well in the 2010 season, tallying five race wins and ten podiums on his way to finishing a close second in the AMA Superbike Championship on his Yoshimura Suzuki GSX-R1000. Add to that his past successes, and we believe Tommy will continue moving forward on his journey to get on top of the box for Rockstar Makita Suzuki s Blake Young had a shortened season, missing five races due to a mid-season injury, but still managed to score three wins and two podiums in Young has become progressively more confident on his Yoshimura Suzuki GSX-R1000 and has shown he s a great racer and a true talent. Blake is a strong contender and we can t wait to see what he does on the track for BLAKE YOUNG TOMMY HAYDEN 8 9

7 RESEARCH & DEVELOPMENT Our methodology is key. We built a completely separate facility dedicated only to Research & Development, enabling our talented R&D technicians to thrive in a focused environment while continually raising the bar on product quality. The Yoshimura design motto is simple and has not changed since the company s inception: Make the best parts possible, and never compromise. MANUFACTURING Yoshimura ships over 6,000 pipes per month throughout the world. With our dedication to quality, producing that many exhaust pipes is no simple task, but our manufacturing group consistently pulls it off. The detail, handwork, and old-world craftsmanship that go into making a Yoshimura product are impossible to replicate with a machine. The technicians at work here are artists; the exhausts they produce their artwork. All of this talent, tools, and raw metal come together to form the best exhaust systems in the world

8 SLIP-ON AND FULL SYSTEMS Yoshimura Exhausts Exhaust systems and engines are more closely linked than the casual observer might think, as the engine s ability to produce power is determined by how quickly it can expel spent gasses. Exhaust systems are the easiest way to make your motorcycle s engine perform better. As motorcycle engine technology has advanced, so have exhaust systems. Today, Yoshimura has invested millions of dollars in manufacturing equipment to ensure that we re on the cutting edge of technology. Where tubes used to be cut with hacksaws and bent by hand over a torch, we now have CNC cut-off saws to accurately cut pipes to length while multi-level CNC tube benders shape pipes to exact specifications. Yoshimura Full Systems More than fifty years after the introduction of Yoshimura Full Exhaust Systems, we re still building upon our strong foundation by continuing to provide unparalleled power, performance and quality. Despite all of this equipment and some use of computer-controlled robot welding machines, one constant remaining at Yoshimura is that our pipes are welded by hand. No high-tech gadget or tool in the world could replicate the quality and incredible performance our racing and R&D groups build into our exhausts. Yoshimura pipes are built at a level of quality that few other companies can match. The full systems are designed with nothing but power in mind. Our years of experience and knowledgeable R&D technicians combine to make remarkable pipes. Add to that our inventory of more pipe bending tooling than anyone in the business and we ve got what it takes to make the best products available. Our list of innovations is long. While other companies are just discovering technology we ve been perfecting for 35 years, like our duplex systems, for example, there is simply no match for Yoshimura s incredible quality and attention to detail. When you put a Yoshimura pipe on your motorcycle, you know you re going to get perfect fit and performance. More than five decades of racing and winning has given us an unparalleled level of expertise in all things power and performance. QUALITY AND PERFORMANCE DEFINED 12 13

9 R-77D SLIP-ON AND FULL SYSTEM R-77 SLIP-ON AND FULL SYSTEM R-77D CARBON FIBER R-77 STAINLESS FULL SYSTEM CF Muffler R-77 TITANIUM DUAL-OUTLET CONE Introducing the all-new R-77D. A dual-outlet version of the race-proven R-77, the R-77D boasts a carbon fiber cone end cap and polished stainless steel dual outlet turndown. The R-77D requires no inserts or restrictions, increasing muffler packing life, and provides 5% more open exhaust outlet area and as much as 3 decibels lower sound output (compared to open standard R77). The R-77D also offers greater gains in bottom and mid range power with out restrictive inserts. R-77 CARBON FIBER R-77 STAINLESS STEEL R-77 STAINLESS FULL SYSTEM The R-77D was born from the popular trapezoidal shaped R-77. The R-77 is serious business when it comes to performance as it was designed with racetrack feedback from racers Tommy Hayden and Blake Young. The R-77 s trapezoidal shape allows a large volume of packing material and in turn delivers top performance. With a straight baffle and removable low-volume insert, the R-77 muffler s front cap is MIG-welded, while the end cap is riveted using high-end 304-L polished stainless steel rivets and bands. You can get the muffler in stainless steel, titanium, or race-inspired carbon fiber. TRAPEZOIDAL SHAPE R-77 STAINLESS STEEL SS End Cap The R-77 comes as a slip-on muffler, which attaches simply onto the stock exhaust mounting slip-fit, or on various full Yoshimura exhaust systems. The cone end caps come in either polished stainless steel or carbon fiber and the slip-on itself is mounted with a stainless steel mounting clamp. See application book for a full range of models and applications for each system

10 TRC-D SLIP-ON AND FULL SYSTEM TRC SLIP-ON AND FULL SYSTEM The TRC-D features a tri-oval shape with striking dual-outlet, turn-down stainless-tipped muffler and an ultra lightweight carbon fiber cone cap. The dual taper exhaust manages sound in both high-flow and high-power applications. The TRC-D boasts 304-L polished stainless steel and MIG-welded construction with stainless, carbon, and titanium muffler sleeve options. The TRC-D is available as a bolt-on or slip-on muffler that attaches simply onto the OEM (stock) exhaust mounting slip-fit or mounting flange. It also works with various full Yoshimura exhaust systems. DUAL-OUTLET CONE TRC-D STAINLESS FULL SYSTEM - CF Muffler TRC-D CARBON FIBER The TRC is second to none! It s a race-proven exhaust featuring a tri-oval design, trick coneshaped end cap, and an easily removable low-volume insert. The TRC has a straight baffle leading to that distinct cone-shaped end cap. The cap is available in stainless steel or carbon. The muffler choices are 304-L polished stainless steel, carbon fiber, or titanium. Both titanium and carbon fiber sleeves come with carbon fiber end caps for a truly sporty look. With an optional low-volume insert, the TRC also comes with a laser-etched heel guard that combines style and function. Available in either bolt-on or slip-on configuration, the TRC attaches simply onto the OEM (stock) exhaust mounting slip-fit or mounting flange. It s also available on various full Yoshimura exhaust systems. TRC STAINLESS FULL SYSTEM Ti Muffler TRC TITANIUM TRC-D TITANIUM TRC CARBON FIBER TRI-OVAL SHAPE TRC STAINLESS STEEL See application book for a full range of models and applications for each system TRI-OVAL CONE

11 TRS SLIP-ON AND FULL SYSTEM TRI FULL SYSTEM For select suzuki race applications The TRS offers the best of Yoshimura but with a friendlier price tag. It s a race-bred muffler that has the clear look and sound of Yoshimura. We never skimp on performance or style. The straight baffle of the TRS leads to a single-machined turn-down tip. Low volume insert compatible. The TRS comes as a bolt-on or slip-on muffler that attaches easily onto the OEM (stock) exhaust mounting slip-fit or mounting flange and on various full Yoshimura exhaust systems. There are three configurations to choose from: polished stainless, titanium, or carbon fiber. The TRS is also available as a high exit configuration on select models. TRS STAINLESS FULL SYSTEM - SS Muffler Developed in Japan by Fujio Yoshimura, the TRI is a race-bred full exhaust system. It features a handsome dual outlet, turndown titanium-tipped muffler that produces a unique sound note that is pleasing to the ears. The dual outlets and overall design make the TRI visually pleasing as well. Many of our customers believe that the dual outlet tips combine with the Tri-Oval shape to make the TRI one of the most eye-catching pipes on the market. The TRI full systems feature stainless steel MIG-welded construction with titanium and carbon muffler sleeve options. There are also high-exit applications available for select models. DUAL-TIP TRI-OVAL TRI STAINLESS FULL SYSTEM - CF Muffler TRI TITANIUM TRS CARBON FIBER SINGLE-TIP TRI-OVAL TRS TITANIUM TRI CARBON FIBER TRS STAINLESS STEEL See application book for a full range of models and applications for each system

12 RS-3 SLIP-ON AND FULL SYSTEM RS3-C SLIP-ON The RS-3 exhaust is race bred and has the unmistakable look and sound of Yoshimura. It is also one of our most popular exhausts because it s a reasonably-priced alternative to some of our more exotic mufflers. The RS-3 has the classic good looks preferred by many riders and just like every single pipe we make, the RS-3 packs a whole lot of performance into an attractive package. RS-3 TITANIUM RS3-C STAINLESS STEEL The RS-3 mufflers feature a straight baffle that leads to a single turndown tipped aluminum end cap. The oval-shaped muffler is capable of housing a low-volume Yoshimura insert. Muffler sleeve options for the RS-3 include polished stainless steel, titanium, and carbon fiber. A high-exit option is available for select bike models. The RS-3 comes as a bolt-on or slip-on muffler and of course attaches simply onto the OEM (stock) exhaust mounting slip-fit or mounting flange. It can also attach to various full Yoshimura exhaust systems. SINGLE-TIP OVAL RS-3 STAINLESS FULL SYSTEM - Ti Muffler SINGLE-TIP OVAL RS-3 CARBON FIBER The RS-3 has been one of Yoshimura s signature exhaust systems for years. This staple of our pipe lineup has been given a little twist, and now we have the RS-3C. It has the same classic shape as the ever-popular RS-3 but with a carbon fiber end cap to give it that trick look. The RS-3C features stainless steel MIG-welded construction with stainless sleeve option and slick carbon cone end cap. It s available in slip-on or bolt-on configurations. The RS-3C is also offered in carbon and titanium muffler sleeve options, but RS-3 STAINLESS STEEL only for the GSX1300R Hayabusa. See application book for a full range of models and applications for each system

13 R-55LE TITANIUM CF end cap/shield R-55 SLIP-ON AND FULL SYSTEM The R-55 is currently one of Yoshimura s most popular pipes, and for good reason. It s a hybrid of Moto-GP, Superbike, and Yoshimura style, which makes for a pretty impressive package. Its asymmetrical shape appeals to the eye and really captures the spirit of Moto-GP racing. It also complements the look of any sportbike, following the race-inspired lines of today s motorcycles. TAPERED TRI-OVAL The R-55 features a straight baffle with a removable lowvolume insert. The pipe is TIG-welded to Yoshimura quality standards and is made of high-quality polished stainless steel. From there, you have the option of a polished stainless steel or carbon fiber end cap. The laser mounting bracket is TIG-welded to ensure strength and good looks. You can get the R-55 as a slip-on muffler, which attaches simply to the stock exhaust mounting slip-fit, or on our various full Yoshimura exhaust systems. R-55 STAINLESS STEEL CF end cap R-55 STAINLESS STEEL SS end cap R-55 STAINLESS FULL SYSTEM See application book for a full range of models and applications for each system

14 SUZUKI SLIP-ON AND FULL SYSTEMS The Suzuki motorcycle fleet is simply amazing. From the GSX-R lineup to the jaw-dropping Hayabusa, Suzuki is focused solely on making winning motorcycles. The best part is that they never rest on their laurels. With all of the updates Suzuki has made recently, particularly the all-new GSX-R600 and GSX-R750, the entire lineup is outstanding. If you are a Suzuki fan or owner, you already know about the special kinship Suzuki and Yoshimura have solidified with years of racing and winning. YOSHIMURA GSX-R1000 SUPERBIKE PROJECT Hayabusa GSX-1300R Due to its wide appeal, Yoshimura makes more models of exhausts for the Hayabusa than any other motorcycle. From the RS-3C to the TRI dual outlet full exhaust systems, we have the pipe for your Busa. No matter which pipe you choose for your bike, they are all made with the same high quality, high performance, and careful craftsmanship in mind. Yoshimura s attention to detail and dedication to quality is well known, and our Hayabusa pipes reinforce that reputation. GSX-R1000 The GSX-R1000 has been the bike to beat for some time, and Yoshimura leads the way with innovative products for this winning motorcycle. We make every kind of exhaust system imaginable for this big Suzuki Superbike, and rest assured that the pipe s performance is unrivaled. Just look at our track record for the last decade of racing, and you ll see why Yoshimura exhausts are the way to go if you own a GSX-R. Hayabusa with R-77 Carbon Fiber GSX-R750 The last standing 750cc sport bike brings to light the best that motorcycling has to offer. Nearly identical to the GSX-R600 but with a lot more horsepower, the GSX-R750 has a high-performance engine in a lightweight frame. Because they re similar, the GSX-R750 and 600 share pipes. So, all of the options for one fit the other. During testing, the same specifications worked best on both bikes, which is pretty handy as far as we re concerned. GSX-R600 The GSX-R600 is one of the most popular Suzuki motorcycles, and for good reason. It s fun, handles well, and looks sharp. Yoshimura s exhaust products for the 600 are tirelessly tested and unequaled in quality. We dedicate so much time testing the pipes for this bike that we almost always wear through one dyno tire in the process. From blazing full duplex systems to the broad pulling power delivery of our slip-ons, you ll get the performance you demand from the Yoshimura and Suzuki collaboration. Check out our full range of accessories including case savers, carbon fiber heat shields, bar ends, chassis protectors, and adjustable rearsets. GSX-R600/750 Heat Shield When you re racing, every ounce counts. Yoshimura R&D has developed this carbon fiber heat shield for the Suzuki GSX-R600 and GSX-R750 R-55 slip-on. The heat shields are the perfect blend of style and weight savings. This should be on the top of your accessory list for your GSX-R. GSX-R1000 with R-77 Carbon Fiber GSX-R600 with R-55 SS Full System, CF Heat Shield 24 25

15 SUZUKI SM SLIP-ON AND FULL SYSTEMS HONDA SLIP-ON AND FULL SYSTEMS DR-Z400SM If you ve got a DR-Z400SM, you ve got options when it comes to exhausts. The RS-2 single-sided system is a great all-around pipe that s lightweight, has good ground clearance, and gives you big power gains. And it looks cool. If that s not enough, it comes with the little touches and features you ve come to expect from Yoshimura. It has a plasma-cut heat shield with our Yoshimura logo, high-quality chrome steel exhaust springs, and even spring vibration dampers with the Yoshimura logo molded in. Want to spice it up a bit? Try the Dual RS-4 Full System. Also, check out our engine services on page 61. Honda Pipes Honda is synonymous with innovative, forward-thinking, high-quality motorcycles, and that s why they re the biggest name in two wheels. Their lineup is a veritable who s who of machinery. The Honda 1000 and 600 are awesome bikes that take kindly to being hopped up. They have great track manners and stout engines that are ready to be built up. Yoshimura pipes are a natural choice when it comes to kicking the Big Red machines up a notch. Yoshimura has dedicated a lot of time and effort to the 1000 and 600 Honda s. Take a look at the laser-etched heat shields that come with our pipes to make a visual impact. And of course the performance is typical Yoshimura strong! Strap one of our pipes on your Honda and you ll experience the power that more than 50 years of racing has taught us. CBR 1000RR with R-77 Titanium DR-Z400SM with RS-2 Stainless Full System Honda CBR1000RR The flagship CBR1000RR represents the ultimate in Honda liter-bike performance, and the RR s low weight and low center of gravity is perfectly complemented by our Yoshimura low-mount R-77 exhaust. The R-77 Slip-on goes on low and comes with an aluminum alloy heat shield that replaces the integrated stock lower bodywork on the stock exhaust. The anodized Yoshimura heat shield bolts straight onto our tail-pipe and has a laser-etched Yoshimura logo. Not only is this one good-looking pipe, but the included heat shield has that race look that your RR loves. Options are titanium, stainless, or carbon fiber sleeves with carbon fiber or stainless steel end caps. RS-2 Carbon Fiber Honda CBR600RR Yoshimura RS-5 undertail exhausts are a perfect match for the mid-sized CBR600RR Honda. The round outlet improves power delivery and produces more horsepower than the old elliptical design. You ll get an increase of almost 5 hp with our Stainless/TI Full System over the stock setup. Plus, the RS-5 looks amazing! But the RS-5 pipe won t just improve the aesthetics; you ll get the power, quality and fit you ve come to expect from Yoshimura. CBR 600RR with RS-5 Carbon Fiber Under Tail Honda RC51 DR-Z400SM with Dual RS-4 Full System RS-2 Aluminum The red hot Honda RC51 has been dropped from the Honda lineup but that doesn t mean we re dropping it! We love big twin sport bikes here at Yoshimura. It started when we used to race the Suzuki TL-1000s, and the RC-51 is of the same breed. The sound of the RC51 is music to our ears, and we make those tones a little sweeter with our exhausts. The Yoshimura slip-ons really get the big Honda twin singing. Don t forget our hard parts as a finishing touch see pages 53 through 55. RC51 with RS-3 Stainless Steel Dual Slip-Ons 26 27

16 YAMAHA SLIP-ON AND FULL SYSTEMS KAWASAKI SLIP-ON AND FULL SYSTEMS We don t know if we could choose between the R6 and the R1, because Yamaha has made them both so amazing. These blazing-fast Yamahas are wonderful to look at, and they pack quite a punch when you flick the throttle. The Yoshimura pipes for these bikes are built of a similar concept: good-looking, lightweight and powerful. When you add a Yoshimura pipe to your Yamaha, it s like motorcycle magic. Yamaha YZF-R1 The MotoGP-inspired R1 has been through quite a transformation since its introduction. It now features a crossplane crankshaft with a unique firing order that makes a big bang! Yamaha engineers set out to make the R1 produce smooth power and tons of torque while putting it all in a visually stunning package. They definitely hit the mark. Yoshimura s undertail slip-ons are the perfect setup for this hot-looking bike. The undertail R1 twin TRC-D s are works of art, and we d readily argue that the Yoshimura TRC-D s are by far the best looking R1 pipes on the market. The undertail R77 ¾ system, which includes Y-pipe, makes this great bike even better with its perfect fit and awesome performance. Kawasaki s two-wheeled monsters are an absolute blast to ride, and they respond really well to Yoshimura performance pipes. We offer a variety of products to really get the most out of your Kawi. Kawasaki ZX-14 A full line of Yoshimura R77 and TRC exhaust full systems are available for the Kawasaki s ZX-14. Our duplex headers have superior mid-range performance and linear torque curves for lots of usable power. The R77 s carbon end cap or the stylishly vented cap of the TRC tops off our full systems, providing a great combination of style and function. If slip-ons are more your thing, Yoshimura has the R77 in carbon, stainless and TI (all with carbon end caps). Kawasaki ZX-10R Yoshimura has a full line of R-77 and TRC exhaust full systems for the Kawasaki ZX-10R. Our duplex headers offer up superior mid-range performance and linear torque curves for lots of usable power. If slip-ons are more your style, there s the R-77 line in carbon, stainless, and TI (all with carbon endcaps). The R-55 MotoGP-style units come in stainless/carbon or stainless/stainless, plus there is also the complete TRC line. ZX-14 with TRC Carbon Fiber Kawasaki ZX-6R YZF-R6V with R-55 Stainless Steel Yoshimura offers plenty of pipe configurations to make the ZX-6R uniquely your own. The R77, RS-4, and TRC mufflers offer increased performance, less weight, and greater mass centralization. All of Yoshimura s pipe configurations improve an already strong powerband. The Ninja comes with a lot of bottom-end torque and smooth throttle response, and Yoshimura adds top end and power across the board without sacrificing the engine s linear power delivery. ZX-10 with R77-D Carbon Fiber YZF-R1 with Dual R77 s Carbon Fiber Under Tail Yamaha YZF-R6V The Yamaha R6V is a middleweight Super Sport bike full of innovations and technology. This championship-winning motorcycle keeps getting better, and Yoshimura offers a complete line of exhaust products for it. The TRC, TRC Tri- Oval and R-55 exhausts work really well with this bike. The MotoGP-inspired R-55 low center of gravity full systems and slip-ons are really popular. Both the R-55 and the TRC both wake up the R6. The power gains from the duplex full systems boost mid-range and torque. Ninja 250R with TRC Stainless Steel Kawasaki Ninja 250R Yoshimura R&D has a variety of TRC slip-ons and full systems for the Ninja 250R. Our slip-on TRC muffler comes in a titanium, stainless, or carbon fiber sleeve, all with a carbon fiber end cap that looks great with all three sleeve options. Yoshimura s full systems include a TRC muffler in stainless, titanium, or carbon fiber. Yoshimura highly recommends jetting with an exhaust modification on this motorcycle for both the slip-on and full-system exhausts. ZX-6 with R-77 Titanium 28 29

17 BMW SLIP-ON AND FULL SYSTEMS KTM SUPER DUKE SLIP-ON BMW S1000 RR The BMW S1000RR is a sport bike initially manufactured by BMW Motorrad to compete in the 2009 Superbike World Championship that is now in commercial production. It was introduced in Munich in April 2008, and is powered by a 999 cc inline-4 engine that redlines at 14,200 rpm. The S1000RR includes a number of hightech features including ABS and traction control. Yoshimura is offering a number of exhaust system options for the S1000RR including the R77 high mount slip-on (in both titanium and carbon), the R77 Ti carbon full system and the R55 titanium carbon slip-on. The new dual RS-3C builds upon the perennially popular and performance-minded RS-3 shape, but with carbon fiber cone end caps, which really ratchets the Super Duke up a few notches in the looks department. The RS-3C comes in two setups, both featuring stainless steel Y pipes. Choose between an RS-3C with carbon fiber sleeves and end cap or the RS-3C with titanium sleeves and carbon fiber end cap. The RS-3C does more than just look great; it also performs well, boosting horsepower and snap. With these two great options, deciding on one may be difficult, but the selection is easy when you choose a Yoshimura exhaust for your KTM. S1000 RR with R-77 Carbon Fiber S1000 RR with R-55LE Titanium S1000 RR with R-77 Carbon Fiber S1000 RR Heat Shield SuperDuke with Dual RS-3C Carbon Fiber Under Tail 30 31

18 TRIUMPH/DUCATI SLIP-ON SCOOTER EXHAUST Triumph Daytona 675 Sharp styling, lightweight, and a powerful motor make the Triumph 675 Triple one of the best all-around bikes on the market. Yoshimura R&D came up with an ideal exhaust for the Daytona 675 in the form of a figure-fitting RS-5 undertail muffler, offered in carbon fiber, stainless steel, and titanium sleeve options matched with a stainless steel tailpipe. The Yoshimura slip-on exhaust offers increased performance of 3 peak horsepower and a weight reduction of 8 pounds, which improves the overall feel of the bike. Top it off with a smooth sound note and you ve got the racer s edge. Triumph Daytona with RS-5 Carbon Fiber Under Tail It s been three years since Yoshimura R&D of America, the world s premiere manufacturer of aftermarket motorcycle and ATV exhaust systems, entered the fast-growing scooter market and changed everything! Scooters today are cutting-edge technological wonders, but Yoshimura takes them to the next level! We offer two great muffler options: The popular TRC style is available in stainless and stainless with a carbon fiber end cap for both durability and looks. It is also available in a carbon fiber sleeve with carbon fiber end-cap for the racer look. For larger displacement models like the new Yamaha T-Max 500, the R-77 is a great choice. The R-77 is available in both a full stainless and carbon fiber/ stainless configuration. Yoshimura scooter exhaust systems reduce weight by 2.5 pounds over most OEM systems, provide a sporty look and, most importantly, have a cool Yoshimura exhaust tone. Honda Ruckus with TRC Stainless Steel Yamaha T-Max with R77 Carbon Fiber Ducati 1098/848 With Ducati s release of the powerful 1098, 1098S and 1098R twins, a new era has emerged from the legendary Italian manufacturer. The Yoshimura R&D dual-undertail TRC exhaust system accentuates the 1098 s performance. The titanium tailpipes flow exhaust into the carbon fiber-sleeved mufflers, lined by titanium inner sleeves, and tipped off with a carbon fiber cone cap, all while looking amazing. With a 5 horsepower increase and 3-pound weight reduction, this system fits 1098 and 848 applications and enhances the cutting-edge Ducati styling. Ducati 1098 with Dual TRC Carbon Fiber Under Tail Suzuki Burgman 650 with R77 Stainless Steel Yamaha Zuma with TRC Stainless Steel 32 33

19 OFF-ROAD SLIP-ON AND FULL SYSTEMS Yoshimura makes a pipe for virtually every dirt bike need. We have raced and won in all categories, making us knowledgeable in the ways of giving dirt bikes more power and performance. Currently we are racing with Team Rockstar Makita Suzuki and Team Honda Racing in Motocross/Supercross, as well as a huge support team of professional and amateur racers across the country. All of our racing endeavors work hand in hand with our goal to make superior products. Building pipes for a factory race effort improves our research and development, which improves the overall performance of our products, all while building the reputation of our company. Bringing technology we learn on the track to our consumer products is what has made the Yoshimura name synonymous with quality and performance. A perfect example of how racing improves the breed is our new RS-4D and RS-4 exhausts. Thorough testing and development efforts in conjunction with the factory teams have provided us new ways to increase performance, lower sound levels, and centralize mass. The end result is the best product for our customers. CHAMPIONSHIP HARDWARE See application book for a full range of models and applications for each system

20 RS-4D FULL SYSTEM RS-4D CARBON FIBER DUAL-OUTLET CONE RS-4D TITANIUM The RS-4 muffler was developed in conjunction with the Rockstar Makita Suzuki Yoshimura race team with one purpose in mind: winning championships. That goal was accomplished during the 2010 AMA Supercross and Motocross season when Ryan Dungey and his Yoshimura-powered RM-Z450 took the motocross world by storm as the first rookie in the history of the sport to dominate both series. The new RS-4D builds on the technology that has made the RS-4 a force to be reckoned with on the racetrack, enhancing its rock solid performance. The RS-4D boasts a unique dual-outlet design that increases the amount of open area at the exhaust outlet. With dual internal baffles, the RS-4D increases the exhaust gas flow rate, resulting in smoother power delivery and increased throttle control, and offers increased horsepower and torque throughout the power curve, especially in the bottom to mid RPM range where riders need it most. The RS-4D is available as a full system, in either titanium or carbon fiber, and comes with an ultra-lightweight carbon fiber end-cap. The RS-4D is the system of choice for a number of Yoshimura-backed riders during the 2011 Supercross season. DUAL BAFFLE TECHNOLOGY RS-4D TITANIUM FULL SYSTEM RS-4D TITANIUM FULL SYSTEM CF Muffler See application book for a full range of models and applications for each system

21 RS-4 SLIP-ON AND FULL SYSTEM RS-4 TITANIUM The RS-4 muffler was designed for winning and that goal was accomplished when Ryan Dungey and his Yoshimurapowered RM-Z450 took the motocross world by storm as the first rookie in the history of the sport to dominate both the 2010 AMA Supercross and Motocross Championships. RS-4 TITANIUM FULL SYSTEM - Ti Muffler The RS-4 is a unique design with predicated power, a side benefit of a quiet earthy exhaust note that speaks volumes for performance, and offers increased horsepower and torque. It features a Polyresonant duplex chamber, a twostaged stepped baffle and an innovative carbon cone end cap. The RS-4 muffler is available in aluminum, titanium, or carbon fiber and both titanium and stainless full systems are available. RS-4 TITANIUM FULL SYSTEM CF Muffler RS-4 CARBON FIBER RS-4 ALUMINUM RS-4 STAINLESS STEEL FULL SYSTEM SS/Al muffler SINGLE-OUTLET CONE See application book for a full range of models and applications for each system

22 RS-2 CARBON FIBER RS-2 SLIP-ON AND FULL SYSTEM SINGLE-OUTLET CONE The RS-2 is a potent and versatile pipe that evolved from our original TRC design. With a different pyramidal shape that features increased volume, the RS-2 is a quieter system with a larger core. The bottom line is it features increased power and power delivery. The diamond-shaped hi-volume muffler comes with a low volume insert. Optional inserts are available depending on your needs. The stainless tailpipe bolts right onto the stock header, and the muffler comes with an aluminum canister. RS-2 TITANIUM RS-2 ALUMINUM RS-2 TITANIUM FULL SYSTEM - CF Muffler See application book for a full range of models and applications for each system

23 SUZUKI SLIP-ON AND FULL SYSTEMS HONDA SLIP-ON AND FULL SYSTEMS RM-Z450 The fuel-injected RM-Z450 took the motocross world by storm when it was released a few years ago. Racers love the handling, the precise steering, and especially that fuel-injected snap this Suzuki delivers. The RM-Z has seen the checkered flag quite a lot Simply put, it s a winner! It is a great all-around bike with solid low- to mid-range power, and it has been updated across the board for Our Yoshimura RS-4D and RS-4 slip-ons and full systems turn the RM-Z into a full on race machine with even more of that sought-after, moto-winning linear power. RM-Z250 Suzuki s new RM-Z250 already has a long list of accolades from the enthusiast press. Our RS-4D and RS-4 full systems make it even better by giving it some much needed over-rev. It s amazing what a difference a pipe can make, and in the RM-Z 250 s case, the addition of the RS-4 is a big deal. It s the easiest way to transform your bike from fun to fierce! RM-Z450 with Titanium RS-4D Titanium Full System CRF-450R The CRF-450R has a lot of desirable attributes centralized mass, a killer fuel-injected engine, and all sorts of other cool stuff. Since Yoshimura is the official supplier to Team Honda Racing s Supercross/Motocross team, we didn t hold back when it came to making the best for this bike. The RS-4 features a duplex resonance chamber and massive internal pipe tapers, and the canister comes in 99 and 94dB convertible configurations. That s not all we do for the CRF-450R. Yoshimura s famous Peripheral Interface Module (PIM-2) unit controls the fuel in this bike. With a PIM-2 installed, the rider can have instant custom tuning to get the most out of the Yoshimura pipe, and to get the perfect setup for any riding condition. We recommend the use of Yoshimura PIM-2 units with all full exhaust systems. See details on page 57. We recommend the use of Yoshimura PIM-2 units with all full exhaust systems. See details on page 57. Honda Racing s CRF-450R with CF RS-4D Full System Trey Canard s CRF-450R with Carbon Fiber RS-4D Full System CRF-250R Ryan Dungey s RM-Z450 with RS-4D Titanium Full System RM-Z250 with Titanium RS-4D Titanium Full System Honda sure does know how to make a great bike, and the CRF-250R is no exception. This bike delivers everything you could want on two wheels, and our titanium RS-4 system with carbon can up the ante. They are mechanical works of art! In addition to good looks, they save weight and just plain rip. The RS-4 is also available as a slip-on. They are AMA legal at 94dB, and they build on the Yoshimura reputation of more than 50 years of turning out quality pipes. CRF-250R with Carbon Fiber RS-4 Full System 42 43

24 YZ-450F YAMAHA SLIP-ON AND FULL SYSTEMS The YZ-450F has more centralized mass, great suspension, and fuel injection, which makes it a very rideable and successful machine. The only way to improve upon this bike is to put on a Yoshimura RS-4 Pro Series Full System. This race-winning machine benefits from having our RS-4 Pro aboard, as it s simply the single best bolt-on exhaust you can buy to enhance your riding experience. KX-450F KAWASAKI SLIP-ON AND FULL SYSTEMS The Kawasaki KX-450 has had its fair share of racing success in the past several seasons, which is a testament to the great design of this machine. With fuel injection and a great overall feel, the bike gets even better with a Yoshimura pipe. The RS-2 slip-ons and full systems are all that s needed to tap into the machine s dormant power and get more grunt out of the 450F. We recommend the use of Yoshimura PIM-2 units with all full exhaust systems. See details on page 57. We recommend the use of Yoshimura PIM-2 units with all full exhaust systems. See details on page 57. YZ-250F with RS-2 Stainless Steel YZ-250F The YZ-250F is an incredible machine that has set the standard for 250s since When Yamaha unleashed the first four-stroke 250cc race bike, it set the world on fire. We know from first-hand experience because we supported Larry Ward on a YZ-250F back when he rode for the Moto XXX racing team. Today, our engineers have logged countless dyno hours to extract every last bit of raw horsepower from the Yamaha 250. The end result is a Yoshimura exhaust that is perfectly balanced to mate with an already fierce engine. KX-250F KX-250F with RS-4 Titanium Fun on two wheels, the KX-250F has a friendly engine and a chassis that make the bike a blast. But that doesn t mean it can t benefit from a power boost! Bolt on a Yoshimura RS-2 slip-on or full system to the 250F and take the bike from fun to winner in a jiffy. YZ-450F with RS-4 Carbon Fiber RS-4 Carbon Fiber KX-450F with RS-4 Titanium RS-4 Titanium 44 45

25 G450X BMW SLIP-ON Yoshimura has mated the race-proven RS-2 with BMW s new, cutting-edge G450X. The ultra lightweight titanium tailpipe and muffler on the RS-2 exhaust system will not only shed some weight from your G450X but it will also deliver performance gains, creating the ultimate dirt-riding monster from Munich. The titanium RS-2 improves on an already ground-breaking bike, and gives it some go to go with the show! RS-2 Titanium KTM SLIP-ON AND FULL SYSTEMS 350SX-F KTM Race Director, Stefan Everts, knew where the future of motocross was heading and in KTM he found an ideal partner for his vision: efficient and maximum practicable performance from smaller displacements in an overall package that s tailored unconditionally to the requirements of the rider. Four years or so later, it s ready: the new 350 SX-F, with a new engine, fuel injection system and smaller displacement, new bodywork, new chassis - in fact, a whole new concept. Yoshimura has tailored their championship-winning RS-4 for the new 350 including the stainless RS4 slip-on, the stainless RS4 full system, the titanium RS4 full system, and the carbon fiber RS4 full system. We recommend the use of Yoshimura PIM-2 units with all full exhaust systems. See details on page SX-F with RS-2 Stainless Steel KTM 250SX-F The KTM 250SX-F is one of the most versatile off-road motorcycles produced, and it s really attractive to serious racers. From the link-less rear suspension to the state-of-the-art geometry, KTM delivers a great package that s always at the top of the list in shootouts against other bikes in its class. But that doesn t mean it can t reap the benefits of a Yoshimura performance exhaust system. Our stainless slip-ons are great, whether you re a motocrosser or a weekend warrior, and there s nothing sweeter on those orange machines than one of our full race Pro Series exhausts. G450X with RS-2 Titanium 350SX-F with RS-4 Carbon Fiber RS-4 Carbon Fiber 46 47

26 Yoshimura has been a reckoning force in ATV racing for a number of years, and has reaped the rewards with numerous championships and countless race wins. Riders like Doug Gust, Dustin Wimmer, Jeremiah Jones, Chad Wienen, Kory Ellis, William Yokely, Doug Eichner, Josh Creamer and Chris Borich have all played a big part in our growth. Yoshimura is a proud to have played a role in bringing factory racing back to the great sport of ATV racing. RS-2, RS-5 SLIP-ON AND FULL SYSTEMS The RS-2 is a potent and versatile pipe that evolved from our original TRC design. With a different diamond shape that features increased volume, the RS-2 is a quieter system with a larger core. The bottom line is that it features increased power and power delivery. The diamond-shaped high-volume muffler features maximized muffler volume, an innovative stainless cone end cap and a 99db low-volume insert or 96db spark arrestor. The RS-2 comes in aluminum or titanium muffler options. RS-2 ALUMINUM RS-5 ALUMINUM TRAPEZOIDAL SHAPE ATV SLIP-ON AND FULL SYSTEMS The deep, pleasing sound of the RS-5 is due to its four-sided trapezoidal muffler shape. The unique shape is aggressive looking and detailed, and it accentuates the lines of the Suzuki LT-R450 like no other pipe. But there s more to this pipe than mere good looks. The high-flow, straight-through baffle design allows for maximum performance, while the stainless steel internals add durability and strength. CHRIS BORICH 2010 XC1 ATV CHAMPION The stainless/aluminum hi-volume muffler comes with a 96dB spark-arrested insert, but other options include a motocross 99dB non-spark arrested insert, and a 94dB motocross non-spark arrested. The stainless tailpipe slips right onto the stock header, and the muffler comes with aluminum canister. RS-5 STAINLESS STEEL FULL SYSTEM JOSH CREAMER 2010 AMA ATV MX PRO CLASS CHAMPION 48 See application book for a full range of models and applications for each system. 49

27 SUZUKI ATV SLIP-ON AND FULL SYSTEMS HONDA,YAMAHA SLIP-ON AND FULL SYSTEMS QuadRacer R450 Yoshimura has a storied history with this quad already, and we just keep winning titles with it. From development to the top of the podium, Yoshimura has been a part of this quad s success. With our Titanium Full System and a PIM-2 unit installed, the power of the Suzuki QuadRacer R450 is breathtaking. The power delivery aided by the fuel injection system has a solid, linear feel that turns out faster lap times and better control. This quad makes it easy to go fast. Yoshimura has a wide range of engine modifications for those of you who want more out of the R450. Whether you add a Slip-on pipe or a fire-breathing full race system, this is definitely the go-to ATV if winning is on your to-do list. We recommend the use of Yoshimura PIM-2 units with all full exhaust systems. See details on page 57. TRX450R with RS-2 Stainless Steel Honda TRX450R This legendary race quad has been a winner since day one. The Honda 450R has one of the strongest, most reliable engines out there, and when you add an improved exhaust system, things really get cooking. Yoshimura s Ti-Pro full system works like a charm on the 450: it s lightweight and wakes up the engine. The Full System and the Ti-Pro Slip-on comes with a 99dB and a 94dB insert, so you can be fast and legal sounding at the same time. QuadRacer R450 with RS-5 Titanium Full System QuadSport Z400 LT-Z400 with RS-2 Stainless Steel Here s a modern classic that never gets boring. The LT-Z400 performs like a champ in fact, we won several titles with this quad before the dawn of the 450 race quads. It handles well and is fun to ride. And the best part is the Z400 just keeps getting better. It has fuel injection, and when you add a Yoshimura RS-2 exhaust into the mix, things really get moving. We also offer a PIM-2 unit to make sure the fuel injection is working at the optimum level. And if you believe bigger is better, check out our 449cc Big Bore Stroker kit (see page 145 for Engine Kits). Now we re talking about fun! YFZ450R/YFZ450X Everyone loves this quad, thanks to its attentive, fuel-injected engine and lightweight aluminum frame. That s not to say it can t get even better with a Yoshimura exhaust and a PIM-2 unit. If you re looking to give the YFZ450R a kick in the pants with a solid power increase, decreased weight, and legal sound, then the smart choice is one of our pipes. YFZ450 We get the feeling that the people at Yamaha know what they re doing. They ve sold a lot of YFZ450s throughout the years, and when they released fuel-injected YFZ450R, they wisely kept the original 450 in their lineup. This machine is fun anywhere you want it to take you and its narrow front end lends itself to navigating tight trails, but it s also a serious contender on the track. We recommend the use of Yoshimura PIM-2 units with all full exhaust systems. See details on page 57. YFZ450R with RS-2 Stainless Steel YFZ450 with RS-2 Stainless Steel 50 51

28 ROAD HARD PARTS ROAD HARD PARTS Case Savers Yoshimura Case Savers are designed to reduce damage to the OEM engine case in the event of a light crash or scrape. They are just enough to help get you back to the pits (or back home) without having to worry about losing oil. Developed with CAD software, the Yoshimura Case Savers are CNC machined from high quality billet 6061-T6 aluminum; designed to keep your bike light while providing great strength. Each case saver features a machined Yoshimura logo and our distinctive Yoshimura Magnasonian TM finish to improve durability and looks. Yoshimura Case Savers are easy to install in minutes, without any need to remove the factory engine case covers, gaskets or fairings. The fit is precise and the quality typical Yoshimura. Each kit comes complete with a left and right case saver, durable high grade hardware, detailed installation instructions and Yoshimura decals. Swing Arm Pivot Kit Raises swing arm pivot +2mm. Allows for greater swing arm angle Provides more traction Rear Linkage Kit Provides a more linear-rate suspension geometry Improves traction characteristics CNC machined from aircraft grade alloy Laser etched Yoshimura logo Distinctive Yoshimura Magnasonian TM finish CNC machined from aircraft grade alloy Laser etched Yoshimura logo Distinctive Yoshimura Magnasonian TM finish Chassis Protectors Yoshimura chassis protectors help minimize damage from sliding type falls. The plastic construction is soft enough to slow slides and will wear down slowly, but it s tough enough to keep the track away from your bike in most cases. The protectors are not only functional, but they look cool and let people know you know what the sides of your tires are for. Rear Sets In racing, every ounce of weight savings counts. These rear sets for the Suzuki GSX-R1000 won t disappoint with their perfect mix of style and functionality the quintessential accessory for your street or track GSX-R! CNC machined from aircraft grade alloy Includes brake and shift levers Undercut hollow foot pegs Anodized black for OEM appearance 52 53

29 ROAD HARD PARTS ROAD HARD PARTS Axle Adjuster Blocks Oil Filler Plug There is nothing more frustrating than trying to adjust your chain with OEM style axle blocks. Not only are the OEM unit alignment marks suspect, but their overall quality is suboptimal. The Yoshimura units are lighter, accurate and stronger. High usage part that screams out to all who see it that this is one serious racing engine. Laser etched Yoshimura logo Distinctive Yoshimura Magnasonian TM finish CNC machined from aircraft grade alloy Lighter and stronger than stock Distinctive Yoshimura Magnasonian TM finish Laser etched Yoshimura logo steering stem nut Rear Fender Eliminator Kit Laser cut license plate bracket Reduces weight Enhances overall look Comes complete with hardware and necessary components Integrated Machined LED license plate light Stand Stoppers Attaches to swingarm for use with race stand Anodized billet aluminum Sold as a pair with hardware Made of high grade aluminum Pre-drilled for safety wire Bar Ends These high-quality bar ends replace stock bulky (and heavy) units. All hardware and components are included in an easy to install kit. CNC machined aluminum bar end kit Reduces weight Sold as a pair with durable hardware Fits all 6, 8 and 10mm applications Fork Tube Caps Allows for an additional 25mm in front ride height Retains stock compression and rebound adjusters CNC machined from aircraft grade alloy Laser etched Yoshimura logo Engine Plugs CNC machined from aircraft grade alloy Laser etched Yoshimura logo Distinctive Yoshimura Magnasonian TM finish Steering Stem Nut Give your cockpit that factory look with the Yoshimura steering stem nut. CNC machined from aircraft grade alloy Stronger and lighter than the stock steel unit Pre-drilled for safety wire Laser etched Yoshimura logo Distinctive Yoshimura Magnasonian TM finish Pre-drilled for safety wire Distinctive Yoshimura Magnasonian TM finish 54 55

30 OFF-ROAD HARD PARTS OFF-ROAD ELECTRONICS/CAMSHAFTS Oil Filler Plug Made of high-grade aluminum Laser etched Yoshimura logo Pre-drilled for safety wire Steering Stem Nut Pre-drilled for safety wire Laser etched Yoshimura logo Made of high grade aluminum Check Plug New Flush design Anodized finish Laser etched Yoshimura logo Rear Brake Clevis Made of high-grade aluminum Stronger than OEM unit Laser etched Yoshimura logo PIM-2 Yoshimura introduces the PIM-2, the evolution of our original Dirt Bike/ATV fuel injection adjustment PIM device. PIM-2 installs easily, typically in under 30 minutes, using simple plug-n-play technology. Plug the PIM-2 into the stock wiring harness, mount it to your bike using the supplied mounting kit, and you are ready to race! The PIM-2 comes pre-loaded with two separate fuel injection maps for either the Yoshimura slip-on or full exhaust system and the adjustability is limitless and easy. If those two maps are not enough, there are dozens of maps downloadable for FREE on the Yoshimura website. No matter what pipe brand or engine modification configuration you have, we have map downloads available from the Yoshimura website that make it easy to obtain maps for virtually any application. Simply plug your laptop into the PIM-2 through a supplied USB cable and you can custom make your own fuel injection maps in minutes. Data Box Spark Plug Holder Laser etched Yoshimura logo Made from high-grade aluminum Keeps spark plug cap in place Axle Adjuster Blocks Lighter then stock Enhanced look Laser etched Yoshimura logos Made of high grade aluminum Timing Inspection Plugs Laser etched Yoshimura logo Made from high-grade aluminum Throttle Body Nut Yoshimura s throttle body nut removes the dead weight of the unnecessary choke cable and the massive amount of hardware from the throttle body and bars. Anodized billet aluminum Laser-etched logo Blocks off choke cable hole in throttle body The optional DATA kit consists of an air fuel sensor and amplifier box that plugs into the PIM-2 and allows for self-mapping of the motorcycle. Self-mapping means that as the user runs the bike on a dyno or on a closed course, the DATA Box automatically calculates the required fuel adjustment at each RPM and throttle position to reach the user-selectable target air fuel ratio. The DATA Box offers an alternative way for mapping without the time or cost of a custom dyno tune. For the rider looking for maximum performance, a dyno tune together with the DATA is the way to go. The DATA Box mapping software allows for the user to easily enter the target air fuel ratio, start, stop, and review the results of the self-mapping function. Once the recommended adjustments have been reviewed, the user can either apply all of the suggested adjustments or just a certain range with a few simple clicks of the mouse. The kit comes with all of the required hardware, but may require modification of the exhaust pipe to accept the air fuel sensor fitting. Camshafts Yoshimura has been making high-end camshafts for more than 50 years. We started out designing Superbike camshafts, but have since expanded the line of camshafts to include motocross motorcycles and ATVs. Yoshimura s expertise and years of experience in building the best camshafts in the business is legendary. All Yoshimura camshafts are constructed from one-piece billet or blanks, not re-grind. As a result, our cams not only perform at the highest level possible, but they are also extremely durable. Fujio Yoshimura supervises every aspect of the cam design and manufacturing process. Our investment in state-of-the-art computerized equipment to aid in the design of Yoshimura cams proves our dedication. The results are spectacular. The camshaft s performance is nothing short of breathtaking, and we use a combination of computer, dyno, and real world testing. Yoshimura cams main focuses are peak numbers and rideability. See application book for a full range of applications

31 MULTI-CYLINDER ENGINE PARTS MULTI-CYLINDER ENGINE ELECTRONICS Camshafts and Sprockets Stage 1 or Stage 2 Camshafts Adjustable sprockets included Depending on existing mods, cam timing and piston to valve clearance may have to be checked Valve Cotter Set Machined to precise specifications Increases valve stability at high-rpms Recommended for use with tuned race-spec engines Valve cotter set delivers maximum durability when used with the Yoshimura valve retainer set Valve Retainer Set 10% lighter and stiffer than OEM Machined for a precise fit 16 pcs/set High Compression Piston Requires OEM Suzuki piston ring set Circlips included EM Pro The EM Pro is the most advanced state-of-the-art engine management system available for the newer GSXRs. If you want improved throttle response, smooth dyno curves and unprecedented performance, the EM Pro is just what you need. Unlike other units, the EM Pro has integrated both fuel and ignition management each storing up to two completely custom maps. Along with complete engine management control, the GSX-R1000 kit features race-inspired over-rev adjustment, 3-level engine brake adjustment, and speed limit adjustment for those coming hot into the pits! The EM Pro has become the pinnacle of complete engine management systems in the past year and hundreds of hours of dyno testing and development is what sets this system apart from the rest. Race use only, not intended for any other use. Full Race Harness After getting your bike race ready by removing the unnecessary electrical components, what do you do with all of those empty outlets on your stock wiring harness? You can t leave them dangling to snag on moving parts or your leathers! We have the solution: a Full Race Harness for the Suzuki GSX-R! Yoshimura s Full Race Harness maintains what is necessary to race the bike. It eliminates the outlets for lights, turn signals, horns, switches, etc., thus providing a lighter and simpler harness to work with. In racing, every bit counts and so does your safety. This Full Race Harness is necessary when running the EM Pro on a race bike and allows you to utilize all of the EM Pro s features, including the clutchless upshift option or Quick Shift. Race use only - replaces stock harness and eliminates lighting. Use Ignition Short Harness to retain stock harness and lighting. Stage R / Type S Camshafts Cylinder Head Gasket Adjustable sprockets included Inner Rotor Generator Increases compression ratio Stock lift and longer duration & Magneto Cover (varies per model) No cylinder head or piston modifications necessary Inner rotor is lighter than the Retains stock oil passages stock for racing use AMA Superbike legal Replaces stock components Stage R / Type R Camshafts Comes with rectifier Ignition Short Harness Digital Meters Adjustable sprockets included Metal Gasket Set Must use magneto cover (sold separately) For EM Pro & stock wiring harness combination Higher lift and longer duration than stock Reusable gaskets Timing must be degreed by professional mechanic May require cylinder head modifications Breather cover Standard generator cover The operable functions with EM Pro are limited when ignition short harness is used with standard wiring harness. Lighting components, except the headlight Hi/Lo, are not operable. Clutch cover 58 59

32 ENGINE SERVICES ENGINE SERVICES ISF Process Yoshimura has an in-house Isotropic Superfinishing Process (ISF) department, and that s where we can blueprint your engine s gear sets just as it s done on Formula 1 machines. This technology allows your engine to run more freely through decreased friction and proper interaction of reciprocating parts. Even though typical ISF treatments include gear sets and internal transmission parts, all of the reciprocating parts will benefit from the ISF process. We use this same process on our 240-horsepower Superbike racing engines, as well as 70-horsepower Motocross/ ATV racing mills. The mirror-like finish reduces friction on all reciprocating surfaces, reducing drag and increasing durability. It also reduces heat significantly, which makes for a smoother-running engine. After ISF treatment, every reciprocating part interacts smoothly and the combined reduction in friction unleashes previously trapped power. Unleashing trapped power, lowering operating temperatures, and giving your machine that winning feeling is a good thing. Before ISF Process After ISF Process Stage 1 (Cylinder Head Only) Decarbonize combustion chamber Port intake tract, exhaust port, valve seating Confirm valve spring tension and condition of associated components prior to assembly Stage 2 (Cylinder Head Only) Blend valve seats to cylinder head Intake manifold blending ATV & Off-Road Engine Kits If you want to win, you ll need the best engine performance you can get. Yoshimura offers three basic levels of engine performance upgrades. Stage 1 is the basic hop-up that best fits the average racer. This is the correct choice if you are racing in the C or B class (beginner or novice). Stage 1 has excellent reliability yet gives the racer a healthy dose of power when used in conjunction with a Yoshimura pipe. Light port shaping and valve job Confirm valve spring tension and condition of associated components prior to assembly Stage 3 (Cylinder Head Only) Full port and polish Reshape both intake tract and exhaust port to optimize performance Reshaping of combustion chamber Complete valve job Confirm valve spring tension and condition of associated components prior to assembly Additional Services: Machine gasket services Mill cylinder head to increase compression ratio Inspection and reassembly of top end Bottom end blueprinting and assembly Stage 3 port and polish: single-cylinder and multi-cylinder ISF transmission process Knife edge and balance crankshaft Engine dyno break in and dyno tuning Complete race spec engine build for all classes Installation of high performance engine components Camshafts Crankshafts Connecting Rods Pistons Valve train components EM-Pro software Stage 2 is for the racer who is a top contender in the intermediate or B class. The compression is upped, the head modified, and a Yoshimura billet cam tops off the Stage 2 list. The increase in compression will require more maintenance, but all in all, the Stage 2 engine kit provides a very strong yet reliable engine. Stage 2A is a completely assembled engine. Stage 3 is a full-tilt racing engine featuring big horsepower gains. This is the choice for a serious amateur or pro rider who is looking to win and will accept nothing less than the best. Every part of a Stage 3 engine is manicured or modified; even the gear sets and internal transmission parts are polished and matched using our in-house Yoshimura Isotropic Surface Finish Process. Stage 3 is a completely assembled engine

33 PROMOTIONAL ITEMS PROMOTIONAL ITEMS Yoshimura Fender Decals Yoshimura Stickers Yoshimura U.S.A. Sticker Yoshimura Vinyl Sticker 10" Yoshimura Vinyl Sticker 7" Yoshimura Trailer Decal 3 X2 Yoshimura Decals YOSHIMURA 4.25" x 5.25" DECAL SHEET SCATTER DECAL SHEET 11" x 17" YOSHIMURA ITALIC RACING DECAL 12" X 3" Yoshimura Team Patch Yoshimura Heat Transfer Logo Banner YOSHIMURA BLACK LOGO BANNER 3'x10' YOSHIMURA WHITE LOGO BANNER 3'x10' Yoshimura Logo Tin YOSHIMURA LOGO TIN (24 x17 ) YRS LOGO TIN GOLD (24 X17 ) YRS LOGO TIN SILVER (24X17) Yoshimura Wash Plug Yoshimura Lanyard 62 63

34 Thank you for your interest in Yoshimura products. We try hard to bring our customers the best quality and performance possible. If you have any comments or suggestions on ways that we may better serve you, please let us know. Should you have any questions about ordering or our terms of business, feel free to call or us for clarification. Note: In the interest of maintaining excellence, we are constantly changing and updating our product line, so products may differ from those pictured. This catalog is for reference only and all information and prices are subject to change without notice (all information and prices from the Yoshimura website, are subject to change without notice). The use of some items in this catalog, including Yoshimura performance products, may render certain vehicles illegal in some states. If you have a problem: If you have a fitment, missing part, or other problem, please check the following troubleshooting guide first. 1. First, reference your instructions sheet and check all drawings and instructions. 2. Make sure muffler clamps are installed correctly (refer to diagram). Also, verify part numbers on header and tailpipe. 3. Always install spigots and manifolds on cylinder head prior to installing headers. 4. Always take time to examine problems in detail. 5. If you are still having difficulty, call our technical support line at (909) This line is open from 9:00 a.m. to 5:00 p.m. Monday through Friday PST. Please have the following information handy: Year/make/model of motorcycle, date of purchase, place of purchase, batch dates and part numbers (found on pipe pieces). Feel free to also inquire online at sales@yoshimura-rd.com. Or fax your questions/problems to (909)