If replacing a Briggs & Stratton engine with a Briggs & Stratton engine, provide the original engine s model and type numbers to assure the correct replacement. If replacing a competitor s engine with a Briggs & Stratton engine, let the power level and features of the original engine plus the expected work cycle be a guide in selecting the correct replacement. Also consider these factors: 1. 2. 3. RE POWERING GUIDELINES Engine Selection Match the engine s performance and cost to your specific application to get the optimum performance at an affordable price. That means better value for you. Vanguard OHV (overhead valve) engines are maximum performance, cast iron cylinder sleeve engines. - select for continuous heavy duty applications. INTEK PRO, Industrial Plus and I/C (Industrial/Commercial) engines are cast iron cylinder sleeve. - select for medium duty commercial, industrial and rental use. INTEK and PowerBuilt engines are aluminum cylinder bore OHV engines. - select for general consumer use. Standard engines are aluminum cylinder bore, side valve engines. - select for general consumer use. Safety Points For many safe hours of operation, it is important to maintain the original engine s same power, starter type and position, fuel tank location, fuel line routing, muffler location, exhaust direction and muffler accessories (i.e., deflector, spark arrestor, etc.). Reinstall all guards, shields and safety devices. Replace missing, worn or damaged parts. Horizontal Crankshaft Engines Compare overall engine size for possible mounting interference Match crankshaft s - Diameter A - Height B (distance from base to crankshaft center line) - Length C (distance from oil seal/cover s mounting face to end of crankshaft) Match crankshaft type, i.e., keyway, tapered or threaded Match crankcase cover s tapped holes for mounting accessories (if applicable) Match base mounting dimensions and bolt holes spacing 4. Vertical Crankshaft Engines Compare overall engine size for possible mounting interference Match starter type and starter grip position A Match crankshaft s - Diameter B - Keyway type C - Length D (distance from mounting face of sump - not oil seal - to end of crankshaft) Match mounting base dimensions and bolt holes spacing WARNING Briggs & Stratton does not approve or authorize the use of these engines on 3-wheel All Terrain Vehicles (ATVs), motor bikes, fun/recreational go-karts, aircraft products or vehicles intended for use in competitive events. Use of these engines in such applications could result in property damage, serious injury (including paralysis), or even death.
SPECIFICATIONS OF SERVICE ENGINES LEGEND OF ABBREVIATIONS STARTER POSITION: OIL FILLER & DRAIN: GOVERNOR: CONTROLS: GROUND WIRE TERMINAL: ACCESSORY MTG. BOSS or FLANGE MOUNTING: DIMENSION: SHIPPING WEIGHT: Number shown is o clock position of rewind starter. Spark plug is considered to be the 12 o clock position. CS carburetor side, OC opposite carburetor, D dual (both sides), T (Three sided). AV air vane, M mechanical, E electronic. MF manual friction, R remote, AG adjustable for a constant speed operation, FC fixed speed control. May be used with stop switch in remote location. Tapped holes in crankcase cover used to fasten clutch brackets, belt guards, etc. Distance from end of crankshaft to one of the points listed below: (a) Oil seal on plain bearing horizontal crankshaft engines. (b) Mounting face of sump on vertical crankshaft engines. (c) Flange mounting face on horizontal crankshaft engines. Gross Domestic Shipping Weight. ALL POWER RATINGS SHOWN IN THIS CATALOG ARE SUBJECT TO THE FOLLOWING: The gross power rating labels for individual gas engine models is labeled in accordance with SAE (Society of Automotive Engineers) code J1940 (Small Engine Power & Torque Rating Procedure), and rating performance has been obtained and corrected in accordance with SAE J1995 (Revision 2002-05). Torque values are derived at 3060 RPM; horsepower values are derived at 3600 RPM. Actual gross engine power will be lower and is affected by, among other things, ambient operating conditions and engine-to-engine variability. Given both the wide array of products on which engines are placed and the variety of environmental issues applicable to operating the equipment, the gas engine will not develop the rated gross power when used in a given piece of power equipment (actual on-site or net power). This difference is due to a variety of factors including, but not limited to, accessories (air cleaner, exhaust, charging, cooling, carburetor, fuel pump, etc.), application limitations, ambient operating conditions (temperature, humidity, altitude), and engine-to-engine variability. Due to manufacturing and capacity limitations, Briggs & Stratton may substitute an engine of higher rated power for this Series engine.
8.25 Gross Torque 190 CC Bore 2.69 in. (68.3 mm) Stroke 2.04 in. (51.8 mm) Oil Capacity 20-22 fl. oz. (0.59-0.65 L) 3.20 [81.28] 194 [49.28] 3.02 [76.68] 241 [61.14].375-18 DRYSEAL NPTF CLASS 2 HEX DRIVE SOCKET OIL DRAIN PLUG (FLUSH) 2.06 [52.32] C L ELECTRIC STARTER 2.62 [66.66] 3.73 [94.74] ROTATION 3.68 [93.52] 8.75 [ 222.25] 1.56 [39.70].348 [ 8.88] 3 MTG. THRU HOLES (MIN.) 6.78 [ 172.21] CLEARANCE HOLE FOR SUMP (SUPER LO-TONE 6.67 MUFFLER GUARD) [169.29] Features: Dura-Bore cast iron cylinder sleeve for extended life One-Start float carburetor assures consistent one-pull starts Large rewind starter reduces pulling effort for easy starts Maintenance-free Magnetron electronic ignition for quick, dependable starts Mechanical torque control for additional power Composite camshaft and aluminized Lo-Tone muffler for quiet operation Dual-Clean air cleaner pleated paper filter with a foam pre-cleaner ensures maximum protection for extended engine life Overhead valve design (OHV) for cooler operation and longer valve life Buyer protection package provides two-year consumer engine warranty 12.85 [326.37] 6.18 [157.09] 9.84 [249.834] 9.48 [240.77] 15.50 [396.24] 9.72 [246.89].94 [23.82] 6.09 [154.65] (SUPER LO-TONE MUFFLER BODY) BRAKE CONTROL LEVER SEE CONTROLS SECTION FOR LEVER TRAVEL INFORMATION 5.37 [136.31] Model Type 12Q502 Shipping Weight Crankshaft Crankshaft (P.T.O.) Extension 0015 33 691457 Tapped 3/8-24, 2 WK & Keyway, 7/8 dia. 3-5/32(b) 6 X M R/MF X 1.6 3100 t 12Q507 0062 691456 Tapped 3/8-24, 2 WK & Keyway, 25 mm dia. 3-5/32(b) 6 X M R/MF X 1.6 3100 t n 12Q512 0121 37 691456 Tapped 3/8-24, 2 WK & Keyway, 25 mm dia. 3-5/32(b) 6 M R/MF X 1.6 3600 0123 32 693291 Tapped 3/8-24, 2 WK & Keyway, 7/8 dia. 2-7/16(b) 12 M R X 1.6 3600 12Q572 0020 36 691457 Tapped 3/8-24, 2 WK & Keyway, 7/8 dia. 3-5/32(b) 6 X M R/MF X X 1.6 3100 t t The features on this engine are designed to meet Section 1205.5 of the Consumer Product Safety Commission Safety Standards. n Engine equipped with 12 Volt Gear Drive Starter and.5 Amp DC Alternator. 51 Dimension Starter Position Ext. Starter Rope Governor Controls Primer Carburetor Heavy Flywheel Oil Pump w/filter Fuel Tank (Quarts) Top Governor Speed Notes
YOUR KEY TO THE WORLD S FINEST ENGINES BRIGGS & STRATTON MODEL NUMBERING SYSTEM YEAR MONTH DAY ASSEMBLY LINE AND MANUFACTURING PLANT 01 06 12 01