re-jet

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Jul 9, 2004 | 12:46 PM

400sEXridr

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Trailblazer

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re-jet

I have my K&N filter on my 400ex. If I take off the spark arrestor will i need to rejet?

Jul 9, 2004 | 03:12 PM

cals400ex

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re-jet

your elevation and temp you ride in really matters for jetting. however, if you just put in a keihin 150 mainjet you should be good to go. if you go any larger than that, you may hurt performance.

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