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
I have an 05 with all stock inside, yoshimura full ti, FCI air, hot cam stage 1 and jet are 168 main 45 pilot and 3rd clip. I'm at sea level and 2 &1/2 turn out on the air mixture screw. Hope this helps
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