Jet Question for 400ex

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Jun 17, 2005 | 06:54 PM

400exboy779

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Trailblazer

Joined: May 2005

Posts: 29

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Jet Question for 400ex

I just bought an HMF slip on for my 400ex. I am goin to rejet it but i dont know what to jet it to. Is it just the main jet that i will have to mess with or the pilot jet to. Any help is appreciated. Thanks

Jun 17, 2005 | 07:24 PM

RallyRider05

Range Rover

Joined: Jun 2005

Posts: 149

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Jet Question for 400ex

well for the big gun pipe they recomend #40 to #42 pilot and #158 to #160 main jet. it should be close around there.

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