350Ralph Posted February 23, 2018 Report Share Posted February 23, 2018 Hi guys I’m new to this banshee scene and I was wondering what jet size should I go with on my 2002 banshee 350 with cool head 21cc domes stock cylinder stock crank driveline performance clutch v force 4 reeds billet throttle body 28 pkw carbs open air box with k&n and toomy 5 inframe pipes and programmer I’m at 253 seal level and temperature is around 75-95 should I start with a 300 main jet and change pilots what do you guys recommend ? Quote Link to comment Share on other sites More sharing options...
Ayesully810 Posted February 23, 2018 Report Share Posted February 23, 2018 300 main jet would be for stock carbs. you have pwk 28s, the jets are different for keihins 42-48 pilot 142-150 main jjh needle 4th clip a 150 main and 48 pilot will be on the rich side. That my thoughts take it for what its worth, do some research on here too in the jetting section Quote Link to comment Share on other sites More sharing options...
Ayesully810 Posted February 24, 2018 Report Share Posted February 24, 2018 Also whats ur compression at? 21cc domes should put you in race fuel ranges. Quote Link to comment Share on other sites More sharing options...
sleeper06 Posted February 24, 2018 Report Share Posted February 24, 2018 What programmer? Check static compression Quote Link to comment Share on other sites More sharing options...
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