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Screwy Idle
My bike idled low so I turned up the idle screw on the carb. If I turn up the idle screw to where I want it, the bike idles great until I crack the throttle. Then all of a sudden when the tack comes down it idles at 3 grand for a while, and after a couple of minutes comes back down to idle. I can also get it to come back down to idle if I put a little bit of load on it with the clutch. I can turn the idle screw back down just a little bit, but it idles too low and it occationally stalls. Anyone know what my problem might be?
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Lean
Well, it doesn't sound like the throttle cable is the problem so I think you're running really lean. Has this been occurring for awhile or did it start all at once?1980 GS1100E....Number 15!
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I just bought the bike and I had to; clean the tank, replace the petcock, and clean the carbs to get it running...Comment
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The same thing started happening with my GS700 about ten years ago. It took me eight years to figure out what it was (because I found this website). In my case, I had the exact same symptoms, and it was due to vacuum leaks caused by the intake boot O-rings deteriorating.
They were a real pain to change. The phillips head screws wouldn't come out, and there isn't room to get an impact in there with the stock, non- removable airbox in place.
I ended up pulling the engine, using an impact to extract the phillips screws, then replaced them with Allen head screws before reinstalling.
The bike ran and idled much better after I did that.sigpic
SUZUKI: 1978 GS1000E; 1980 GS1000G; 1982 GS650E; 1982 GS1100G; 1982 GS1100E; 1985 GS700ES
HONDA: 1981 CB900F Super Sport
KAWASAKI: 1981 KZ550A-2; 1984 ZX750A-2 (aka GPZ750); 1984 KZ700A-1
YAMAHA: 1983 XJ750RK Seca
Free speech is the foundation of an open society. Each time a society bans a word or phrase it deems “offensive”, it chips away at that very foundation upon which it was built.
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wow.. thank you.. i couldn't ask for more, i love this website. where exactly is the "intake boot O-rings"? inside the rubber boot that connects the airbox to the carbs? doesn't the rubber just seal itself?Comment
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The intake O-Rings are part #24 on this schematic, and are $1.19 each from Bikebandit.com. While you're at it, check the rubber boots themselves for cracks. If they have any cracks, or are no longer soft and pliable, replace them as well.
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SUZUKI: 1978 GS1000E; 1980 GS1000G; 1982 GS650E; 1982 GS1100G; 1982 GS1100E; 1985 GS700ES
HONDA: 1981 CB900F Super Sport
KAWASAKI: 1981 KZ550A-2; 1984 ZX750A-2 (aka GPZ750); 1984 KZ700A-1
YAMAHA: 1983 XJ750RK Seca
Free speech is the foundation of an open society. Each time a society bans a word or phrase it deems “offensive”, it chips away at that very foundation upon which it was built.
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Thank You!!!!!!!!!!!!!!Comment
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