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GS700 confusing intermittent idle problems
Hi guys, I've got a kinda confusing thing going on here. I've been fixing/modding all the little issues with my gs, and I've run into an intermittent issue. First, I have new intake o-rings, boots are in good shape, cause I thought that that might be the issue. The bike was idling rough. and wouldn't hold steady idle. After I replaced the O-rings, the idle was excellent. For about a week. Oh the happy week! I though I had the problem fixed. Well, I went out for a ride the other day, and the idle problem is back. It's either A. if the idle adjust is cranked high enough for the bike to stay running at a stop, the idle will race at the next stop, and then slowly fall or B. if the idle adjustment is set low anough for the throttle to act like it should, the bike will stumble and stall at a stop. Unless its the occasional stop where the idle magically returns to normal, in which case it will idle just fine.
Now I noticed what might be a clue. When the bike is idling all crappy, there's a bit of tapping coming from the top end. It comes and goes, and when it goes, the idle returns to normal. The bike is still pulling strong up through the rest of the rev range. When the bike was idling ok, as I recall the tapping was gone, and obviously the engine sounded way smoother. Any ideas? This one has me stumped. I have no idea what sort of problem would come and go like this. Thank in advance for all of your help!
Now I noticed what might be a clue. When the bike is idling all crappy, there's a bit of tapping coming from the top end. It comes and goes, and when it goes, the idle returns to normal. The bike is still pulling strong up through the rest of the rev range. When the bike was idling ok, as I recall the tapping was gone, and obviously the engine sounded way smoother. Any ideas? This one has me stumped. I have no idea what sort of problem would come and go like this. Thank in advance for all of your help!
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