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I bought an '82 GS650L last week and have been real excited to ride it, but am unable so far. This is my first bike, but I have some mechanical wrenching abilities through working on my older Volkswagens, so I'm not scared, just a new kid. I've done some poking through the forums and looked at BikeCliff's page as well as in the Clymer manual that arrived yesterday with no luck. I bought a twin parts bike at the same time.
The problem: As soon as I get to where the slides would be lifting, the bike sputters and won't accelerate anymore. If I am riding and keep it at full throttle, eventually it will catch up with itself and take off like a rocket. But it is difficult to get to that point. I have tried looking at the slides while the bike is running, and can see that just as they start to lift, the bike sputters and will sometimes die if it is just sitting. If riding, it will sputter until I let off the throttle.
What I've done:
*Pulled the carbs off twice and shot cleaner through every orifice I can find.
-During the second time, I noted that the jet needle [I hope I am calling it the right thing, I mean the narrow thing that points down from the slide] on one carb was sprung opposite the other three. Meaning the spring was pushing it down (away from the slide, extending it) instead of up. I swapped this one with one that appears to be properly sprung.
-Also during the second time, I noted that one of the choke plunger's screws wasn't in the notch in the rod, but next to it. I loosened that screw and seated it in the notch.
-Also during that second time, I found one of the carbs had the plug missing from the jet down in the bowl. Replace it with one from a parts bike.
*Removed the vent hoses from the carbs (the ones between 1&2 and 3&4) per a suggestion on this forum found in a search. My bike has pod filters.
*Last night I pulled the tops of the carbs and removed the slides and shot cleaner down through the needle jet, and through both air jets that face the back of the bike. Cleaner flowed freely through all of them (evidenced by the fact that when sprayed into the air jets, it spurted up through the needle jet).
One thing I am a little unsure of is the jet needles. Every drawing I have seen of them make it look like it is a very long, thin taper. Mine seem to have the same diameter almost all the way to the bottom, with just a very blunt taper. They have the same appearance on both the bike's carb as well as the parts bike's carb. Is this correct? Or am I confused about what the jet needle is? (It is my understanding that the jet needle is the thing pointing down from the slide.)
In all this, I noted that the the coil wires for 2 and 3 would shock me when touched while running. No sparking was noted unless my hand was touching the end of the spark plug wire and near the engine. I changed out the right side coil with one from a parts bike and no more sparking is noted.
The problem: As soon as I get to where the slides would be lifting, the bike sputters and won't accelerate anymore. If I am riding and keep it at full throttle, eventually it will catch up with itself and take off like a rocket. But it is difficult to get to that point. I have tried looking at the slides while the bike is running, and can see that just as they start to lift, the bike sputters and will sometimes die if it is just sitting. If riding, it will sputter until I let off the throttle.
What I've done:
*Pulled the carbs off twice and shot cleaner through every orifice I can find.
-During the second time, I noted that the jet needle [I hope I am calling it the right thing, I mean the narrow thing that points down from the slide] on one carb was sprung opposite the other three. Meaning the spring was pushing it down (away from the slide, extending it) instead of up. I swapped this one with one that appears to be properly sprung.
-Also during the second time, I noted that one of the choke plunger's screws wasn't in the notch in the rod, but next to it. I loosened that screw and seated it in the notch.
-Also during that second time, I found one of the carbs had the plug missing from the jet down in the bowl. Replace it with one from a parts bike.
*Removed the vent hoses from the carbs (the ones between 1&2 and 3&4) per a suggestion on this forum found in a search. My bike has pod filters.
*Last night I pulled the tops of the carbs and removed the slides and shot cleaner down through the needle jet, and through both air jets that face the back of the bike. Cleaner flowed freely through all of them (evidenced by the fact that when sprayed into the air jets, it spurted up through the needle jet).
One thing I am a little unsure of is the jet needles. Every drawing I have seen of them make it look like it is a very long, thin taper. Mine seem to have the same diameter almost all the way to the bottom, with just a very blunt taper. They have the same appearance on both the bike's carb as well as the parts bike's carb. Is this correct? Or am I confused about what the jet needle is? (It is my understanding that the jet needle is the thing pointing down from the slide.)
In all this, I noted that the the coil wires for 2 and 3 would shock me when touched while running. No sparking was noted unless my hand was touching the end of the spark plug wire and near the engine. I changed out the right side coil with one from a parts bike and no more sparking is noted.
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