Seller notes

This is a new ProX top end rebuild kit for the '90-91 Yamaha YZ125. The kit is supplied with standard D size piston, rings, wrist pin, clips and fits standard 56mm bore size. Also includes is a top end gasket set and new top end bearing. ProX pistons are the best original replacement parts available. Always great quality for reliable running engines. Year and model are important, check yours first before purchasing. Reference help: cylinder is numbered '90 = 3SR00, '91 = 3XJ00 Note: Picture is t...

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