YZ 250F cyclinders?

Does any body know if YZ 250F cyclinders are interchangeable. Like an 2003 fit a 2006? Yamaha #s are different but somethimes parts are the same.

Any info would be appreciated.

They interchange pretty freely from '01 to '05, with the primary difference being the skirt cutouts added in '03 ('02?). I don't know for certain if that will apply to the '06, but I would guess that it would. Check the PN for the '05 vs. '06. If they're the same, then the '03 should fit.

Does any body know if YZ 250F cyclinders are interchangeable. Like an 2003 fit a 2006? Yamaha #s are different but somethimes parts are the same.

Any info would be appreciated.

They may be interchangeable but the tolerances outlined in the owners manual are different. The 06 piston to wall clearances are tighter than that of an 04. Part numbers for pistons and cylinders are different and do not supercede the earlier. Interestingly the 04 replacement parts have a cheaper list price than the 06 replacement parts. I'm sure by weeks end we will know for sure.

anybody else?

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