Carburetor Acting Strange...
Hey everyone! Need some advice on my carb tuning..
Heres the deal: - Jets are 25 pilot, 110 main, needle clip is on the 4th spot down from the top. - Carb was just cleaned - Checked for air leaks with a propane bottle, couldnt find any. My idle mixture screw is making me scratch my head, If I have it open at all, the bike idles way too high and I cant get it to come down (3000rpm ish). If I put the choke ON, it brings the idle down to almost perfect. :hmm: I tried completely closing the idle mixture screw, and now my bike idles at 1800rpm almost perfect, every once in awhile ill blip the throttle and the rpm will settle back down after a WOT run. :hmm: Any ideas on why this is happening? The video is with the idle mixture screw completely closed. https://www.youtube.com/watch?v=V65Gha24zUA |
Have you tried backing out the idle speed screw? Also make sure the throttle cable isn't too tight and holding the slide up.
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Sounds like possible air leak into the carb.
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The link to your video doesn't work for me, being able to hear it might help if other suggestions given don't pan out.
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Open up the stock carb, put the 110 in it, shim up the needle with three #4 washers, turn out the idle mixture screw 1 5/6 turns.
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Before you mess with the carb anymore I recommend you check the pipe from the air box to the carb. When I first got mine I had an air leak where the pipe goes into the air box. Check that seal there. Mine had pulled away from air box so I just resealed it. No issues after that.
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