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MX | Off-Road Gear Info & Reviews
Jetting for FMF Q series muffler for YZ250F
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[QUOTE="Radbuster_1, post: 946072, member: 62403"] I did the same to my YZ450 '03 and also a PowerNow. The needle clip seems ok, but I had to go one leaner on the pilot and one leaner on the main. On the contrary, my bike has so much pull it has only become easier to ride. On my earlier WR250F '01 I changed fron the stock boat anchor to a loud WB E-series, went richer, an whoa! what an improvement. It seems the back-pressure effects the 250F's a lot. Good luck with you jetting since it's really important. [/QUOTE]
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MX | Off-Road Gear Info & Reviews
Jetting for FMF Q series muffler for YZ250F
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