Jetting

[slednx69]

hey i got a 1990 phazer 480 with a psi racing pipe and dual air cleaners. i have 136.7 main jets in it right not but i was told ill burn pistons with those jets and pipes. so my question is what size jets should i be running. thanks

 

[Yamaha Nutz]

105 Pilots 150 Mains