350Ralph

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 ?