Seller notes

This is a Yamaha piston 1st oversize 0.25. The item is new old stock oem and is discontinued. As shown in the pictures, there were places with corrosion that have been cleaned of and left spots, but it is still usable. The part number is 401-11635-00-00 and is shown to be used on model(s) and component(s): 1974 MX125A - Crank - Piston1975 MX125B - Crank - Piston This part may fit other models, so check with your local dealer or mechanic for your specific application. If you have any questions, p...

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