Buster91dg Posted December 3, 2015 Report Share Posted December 3, 2015 Hi have a 89 banshee its bored .50 over fmf pipes and silencers k&n air filter with no airbox lid. And has a boost bottle. Stock 35mil mikuni carbs. 30piots 270mains and needle is 4th clip down am I close or should it be richer Quote Link to comment Share on other sites More sharing options...
camp0429 Posted December 3, 2015 Report Share Posted December 3, 2015 Stock carbs are not 35mil, they are 26. Throw boost bottle in the trash and run a stock cross over tube, need to post your elevation and riding temps and any port work. FMF's website has a jetting chart to get you close. Depending on elevation, tempature, and wether or not it's ported, you are probably pretty close. Quote Link to comment Share on other sites More sharing options...
camp0429 Posted December 3, 2015 Report Share Posted December 3, 2015 http://www.fmfracing.com/RiderSupport/JettingCenter Quote Link to comment Share on other sites More sharing options...
Buster91dg Posted December 3, 2015 Author Report Share Posted December 3, 2015 No port work at all I'm located in ri I'll have to check on elevation has ratio is 32:1 Quote Link to comment Share on other sites More sharing options...
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