Skype update. You can now easily activate Skype in your forum profile, allowing you to talk in real time with other forum members. Just go to MY ACCOUNT, click PROFILE and scroll down to the Skype field, then just enter your Skype name and click Save. >>>>>>>> Latest batch of free Keyrings posted out November 23rd. Check your free keyrings and buttons order status HERE. Members who missed this can get details on the KEYRINGS THREAD in the General Discussion forum, and can claim their goodies using the REQUEST FORM Steve Saunders Goldwing Forums > Steve Saunders Goldwing Forums > Reference and FAQ Forum > Balancing GL1500 Carbs Balancing GL1500 Carbs Moderated by: wingnut, wexy, tanygaer, redbaron, Patch, mikef, MDKramer, AZgl1500 New Topic Reply Printer Friendly wingnut Admin 1 Author Post Posted: Mon Dec 1st, 2008 07:30 pm 1 st Post Edit Delete IP PM Quote Reply I've copied this (slightly edited) from part 9 of the Bikers Workshop part of the site. You can download this actual forum page in pdf format by right-clicking the.pdf icon here and "save target (or link) as" to a location on your computer; Joined: Tue Jul 6th, 2004 Location: Dublin, Ireland Posts: 2084 Goldwing: GL1800 Mileage: 5,700 miles Status: Online Mana: Carburettors on Goldwings aren't too difficult to balance/synch, if you have basic mechanical knowledge. The time consuming part is getting at the adjuster screw behind all that plastic. The GL1500 Goldwings only have two carburettors so the actual balancing won't take very long, compared to Goldwings with four carburettors. Before balancing the carburettors on a Goldwing, you should ensure that the spark plugs and air filter are fairly new or in good condition. It's a waste of time attempting this job if the Goldwing engine is low on compression or burning lots of oil. Make sure the engine is warmed up and the choke OFF before connecting the carburettor gauges. There is a short video clip of the carbs being balanced, link at the end of the page. For the GL1500 carbs I used my old set of carb gauges. As you can see, there are four of them on the backing plate. As the GL1500 Goldwing only has two carbs, I only needed two gauges and I used the two on the right. http://goldwingfacts.com/forums/view_topic.php?id=58754&forum_id=9 (1 of 33)01/12/2008 19:38:32
back to top ------------------------------------------------- We need to remove the lower left and right side fairing panels to get at the GL1500 manifolds and the carb synch screw. Remove the lower cowl trim piece as in the first picture by first pressing it in at the top middle and pulling the edges out and up form the cowl. Then remove the three screws holding the cowl in place. When dropping the cowl, be careful not to damage the tabs that hold it in against the lower side fairing panels. http://goldwingfacts.com/forums/view_topic.php?id=58754&forum_id=9 (2 of 33)01/12/2008 19:38:32
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------------------------------------------------- First pry off the plastic clip covering the screw as in the first picture. Note the type of screw used, as shown in the third picture. You must put this one back in the right place. Tip; When refitting this clip later on, a bit of Blutack or similar will stop it falling off and getting lost. Pull the L piece trim away, taking care not to break the tab shown in the fifth picture. http://goldwingfacts.com/forums/view_topic.php?id=58754&forum_id=9 (5 of 33)01/12/2008 19:38:32
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------------------------------------------------- Now pry off the small black plastic cover at the rear of the running light. Blutack will be a good idea here as well when refitting the cover. The owner of this GL1500 didn't use it and the cover on each side of the Goldwing got lost, which is why you can't see them in the pictures. Note the type of screw used here as well, same as the one mentioned earlier. The third picture shows the two normal Phillips screws at the front of the running light, remove them. Remove the running light and pull the lower fairing panel away. http://goldwingfacts.com/forums/view_topic.php?id=58754&forum_id=9 (10 of 33)01/12/2008 19:38:32
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------------------------------------------------- Remove the rubber plug from the right side fan. The adjuster screw for balancing the carbs is about 6" behind and up, and hard to see. I removed the fan so I could get the camera in and the second picture shows the adjuster screw. http://goldwingfacts.com/forums/view_topic.php?id=58754&forum_id=9 (15 of 33)01/12/2008 19:38:32
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------------------------------------------------- The first two two pictures show the screw on the Goldwings right manifold which you remove and fit the adapter from one carb gauge into, the adapter is shown in the third picture. http://goldwingfacts.com/forums/view_topic.php?id=58754&forum_id=9 (17 of 33)01/12/2008 19:38:32
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------------------------------------------------- These three pictures show the Goldwings left side manifold. No screw here, just pull the hose off and connect the hose from your second carb gauge. The fourth picture shows the vacuum hose I removed from the manifold, which I plugged with a small bolt. Warning; Make sure the engine is warmed up and the choke is OFF before connecting the carb gauges. Running the engine with the choke on and the gauges connected will probably destroy the gauges. Also do not run the engine with the screw and hose off the manifolds and no gauges connected. This will cause the engine to cut out and be very difficult to restart. http://goldwingfacts.com/forums/view_topic.php?id=58754&forum_id=9 (21 of 33)01/12/2008 19:38:32
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------------------------------------------------- With the engine fully warmed up and running at around 850rpm (plus or minus 50rpm according to the Honda manual), choke off and the gauges connected, you will probably see at least one of the gauge needles jumping about as the first picture shows. This usually happens and is why there are dampers fitted in-line to the hoses. Slowly turn the damper in until the needle stops jumping, but don't screw the damper in all the way. The second picture shows the gauge needles steady and give you an idea of how much this GL1500's carbs are out of balance. http://goldwingfacts.com/forums/view_topic.php?id=58754&forum_id=9 (25 of 33)01/12/2008 19:38:32
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http://goldwingfacts.com/forums/view_topic.php?id=58754&forum_id=9 (27 of 33)01/12/2008 19:38:32 ------------------------------------------------- The first picture shows the idle adjuster knob, turning it clockwise increases the idle speed and anticlockwise reduces it. The second picture shows the carbs being balanced by adjusting the screw. You can do this job on your own, but it's easier if you have an assistant and one of you slowly turns this screw while the other watches the gauges and tweaks the idle speed. The third picture shows the needles coming together at the same points on the gauges, ie both carbs are now in synch. Note that the are needles settled in the red zone in the gauges. This isn't really an issue as these type of gauges are universal. The idea is to get the needles to line up at whatever part of the scale they will, while giving a stable tickover. If you try to get both needles into another part of the scale just because it looks better, you may end up with a stuttering engine if indeed you can actually get the needles to move that far. Give the throttle one or two slight (about 1500rpm max) and short revs when you are happy with the readings to see if they will settle back at the same points on the gauges, but don't rev the engine too high. Finally check the idle speed so that it is around the 850rpm mark. Use your judgement for this. You should be able tell by listening if the idle speed is to high or tow low compared to before you started the job and you can easily tweak this later on if needed. There is a video clip available (link at the end of the page) which shows me doing my circus act of balancing the carbs on this GL1500 while holding a camcorder, with some help from one of the mechanics
in work. It's not a long clip (less than two minutes) but it shows how we tweaked the idle and carbs to get them balanced. The video clip and this article make more sense of the whole thing when used together; http://goldwingfacts.com/forums/view_topic.php?id=58754&forum_id=9 (28 of 33)01/12/2008 19:38:32
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------------------------------------------------- When refitting the panels, take care that you place the running light tabs between the lower and upper fairing, as shown in the picture. It's easy to get it wrong and put the running light tabs on the outside of the lower fairing tabs. If you do this, the tabs will snap off the lower fairing when you screw it back in place. http://goldwingfacts.com/forums/view_topic.php?id=58754&forum_id=9 (31 of 33)01/12/2008 19:38:32
If you want to download the video tutorial, right-click the link here and "save-as" to a location on your computer. It's a large file but good quality, so will take a while to download. If you have a fast connection then just click the link and play the clip live in your Windows Media Player. CLICK HERE for the GL1500 carburettor balancing video tutorial (Windows WMV format). 1 minutes, 31 seconds playing time. 16.5 megabytes file size. Current time is 07:30 pm Steve Saunders, Admin and Founder Member. http://goldwingfacts.com/forums/view_topic.php?id=58754&forum_id=9 (32 of 33)01/12/2008 19:38:32
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