Erratic idle on 02 bayou 220 - Kawasaki Motorcycle Forums
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post #1 of 2 (permalink) Old 05-27-2019, 09:44 PM Thread Starter
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Join Date: May 2019
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Erratic idle on 02 bayou 220

This bayou 220 idles high then slowly lowers and stalls. Valves adjusted and carb cleaned. Seems to do ok cold but gets worse as engine warms up. Hitting the throttle makes it worse as well. No leaks on intake boot but sprayed carb cleaner on top throttle cable boot and rpms go up immediately. Any suggestions out there?
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post #2 of 2 (permalink) Old 06-27-2019, 08:21 AM
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If you're sure there's no air leaks, Try adjusting the air/fuel mixture screw on the bottom. See if richening it up (back the screw out) helps. If not, try adjusting the needle's position. At the top of the slide valve, there's supposed to be a gasket between the slide valve's cover and the carburetor body. When removing/reinstalling that rubber gasket sometimes gets out of whack and will allow a small air leak.
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