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utah jetting

379 views 1 reply 2 participants last post by  Chango 
#1 ·
So I have a 2004 yfz 450 with a full yoshi rs2 comp series exhaust, full Ron wood intake, cam mod, 42.5 bored stock carb, i have a 170 main jet and a 48 pilot, and needle on 3rd clip when riding at idle to quater throotle it breaks up, i was wonder what jet setup other people run at my elovation. im at 4500 feet
 
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