I race MX on a 01 300 and recently had Varner Motorsports do the head and carb.Now it is a completly different bike.It was good before but now it really rips.The first time the gate dropped I almost looped out and still pulled a second place start.Now I have three hole shots in a row.I run 13/51 gearing but I'm going to try a 50.I also have a LTR powervalve cover.My jetting is MJ-165 PJ-35 N-n3vf out of a YZ250 clip in the 3rd slot.
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