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niterider40

01 426 engine fit an 02 frame?

3 posts in this topic

I believe I remember that the swing arm bolt is a different diameter between the two. However, this should be correctable by interchanging the two steel sleeves that are inserted into the crankcases, using the '02 parts in the '01 cases. Yamaha lists them as serviceable parts.

Otherwise, the two engines should be virtually identical.

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And be gentle removing the steel sleeves. I've had mine out before and they distort relatively easy. I used a brass punch and plastic mallet to knock them out. Insert the punch through the case and knock them out backwards. (if that makes sense).

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