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90 bayou 220 misses and wont idle good

9423 Views 12 Replies 5 Participants Last post by  dieselburner
hi,
i have a 1990 bayou 220 that will not idle. When it gets warmed up real good it will idle, but very poorly. the idle is up and down. i have cleaned and rebuilt the carb. I have adjusted the pilot air screw to 2 1/2 turns out.(the kawasaki mechanic told me that was the best). the clip on the needle is in the second position from the bottom. the air filter is new. the only way i can keep this machine running is to increase the idle screw, but then it is way to high. The machine feels like it is missing when the idle is high. The bike runs great at 1/4 to Full throttle.
could The CDI cause this? I have tested the CDI with an OHM meter. In the Clymer repair manual there is a chart for what the reading should be. If i tested the cdi correctly, values in the manual dont match mine. the dealer wasnt much help with this.
The exhaust valve clearance seems to be with in specs. I could not check the intake valves clearance though.
does anyone have any ideas??????
1 - 1 of 13 Posts
have you thoroughly cleaned the smaller jet in the carb? its a pain in the ***, you have to get piece of safety wire or somethin and shove it through there, that was my problem when it wouldnt idle
1 - 1 of 13 Posts
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