yfz450 dr d slip on

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Mar 2, 2005 | 10:14 PM

yfz4fifty

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Trailblazer

Joined: Feb 2005

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yfz450 dr d slip on

what main jet would i need and what position should the needle be in? ne one kno(i live in mass)

Mar 2, 2005 | 11:24 PM

blindside350

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Joined: Jul 2003

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yfz450 dr d slip on

They recommend 172 main needle in #6 stock main. That would be a good starting point, and you can go from there

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