jett

Yamaha Raptor 350 & Warrior Forum

Help Support Yamaha Raptor 350 & Warrior Forum:

  1. CarolusRex98

    Jetting for powercore 4 ???

    I got a FMF Powercore 4 for my '98 WARRIOR and I already have my big gun header ( they don't even make them anymore ) I have it jetted for my header would I have to jet it for the Powercore 4
Top