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phixeous

K&N jetting

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When you guys put on a k&n fillter do you change the jetting and what do you change it to on a YZ450F 2006. Thank for your info.

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It shouldn't affect the jetting, but you may need to give the fuel screw an adjustment. Keep that K&N oiled well. Lots of people on here have seen them pass dirt into the carb. :thumbsup:

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