Yamaha Raptor 350 & Warrior Forum

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  1. warriorsrawesome

    Jetting Questions....

    Ok my 99 Warrior has an FMF Megamax 2 slip on exhaust pipe / muffler with a spark arrestor on the end. FMF recommends a 150 or 152 main jet for my quad with JUST the pipe, but they were running a special fuel mixture and I just use regular gas. Also I'm 500 feet below their altitude. The other...