RACxEMxWILLIE Posted July 17, 2012 Report Share Posted July 17, 2012 Ok setup is as follows: Keihin 34mm single carb 42 pilot Needle clip is 2nd from the top A/S is 1 3/4 turns out. 175 main My question is, when the clip is in the middle and it runs like shit. I moved it up a notch and it runs perfect. However, when I rode it the other day, mainly half throttle, i checked the plugs and the right plug was whitish gray and the left plug was dark brown. Should i richen up the pilot jet. If not, what should i do about the needle? Also, why is one plug a different color than the other? Quote Link to comment Share on other sites More sharing options...
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