I am still tring to build an 02 yz250f

does anyone know if the cases will fit from an 03 ..I looked at micro fich at troy and at ronayres. One shows matching part numbers and the other doesnt TT store shows the same part number.

If the TT store shows the same number, it will most probably fit. I just build a 2002 with lots of parts bought from TT store, and didn't have any problem with any part.

The cranks are different from 01-02 and 03-05 so I don't think the cases will fit.

The crank is different but it may just be tapered more for lighter weight. The flywheel is different also in those years so the only dfferences may just be in the crank/flywheel and the cases could still be the same.

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