87shee.cny Posted August 24, 2013 Report Share Posted August 24, 2013 new to site ,have 87 shee bored 40 over fmf pipes boysen rad valves and kn filter ,run open air box 280 main jets and 32.5 pilots have had carbs apart and cleaned several times has a weird hestation at like quarter throttle ..... and yes i have syncd the carbs any ideas ????? Quote Link to comment Share on other sites More sharing options...
fastbanshee8 Posted August 24, 2013 Report Share Posted August 24, 2013 Pilot jets are too big. Try some 27.5's, and some 30's. Adjust air screws as needed. Quote Link to comment Share on other sites More sharing options...
sleeper06 Posted August 24, 2013 Report Share Posted August 24, 2013 Where are you located Quote Link to comment Share on other sites More sharing options...
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