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2017-2022 Yamaha YFZ50 Top End Rebuild Kit includes:
( 1 ) Genuine OEM Yamaha 39mm STD Bore Size Engine Cylinder PN BW4-E1311-00-00
( 1 ) Genuine OEM Yamaha 39mm STD Bore Size Piston PN BW4-E1631-00-00
( 1 ) Genuine OEM Yamaha 39mm STD Bore Size Piston Ring Set PN BW4-E1620-00-00
( 1 ) Genuine OEM Yamaha Piston Wrist Pin PN BW4-E1633-00-00
( 2 ) Genuine OEM Yamaha Piston Circlips PN BD3-E1634-00-00
( 4 ) Genuine OEM Yamaha Dowel Pins PN BD3-E3516-00-00
( 1 ) Namura Top End Gasket Kit PN NA-50015T
Top End Gasket Kit includes all Gaskets, O-rings, Valve Stem Seals and Exhaust Gasket
Fits all 2017-2022 Yamaha YZF50 models.
Orders process the next business day. Expected delivery time 5 business days. Tracking Numbers will be sent via email upon shipment. You may also log into your account for updates to your order.
Contact Us for Return Information. Returns Not Accepted on Any Installed Parts.
Products are guaranteed to fit for the model and model years described. Part numbers have been superceded to the most updated part numbers per the manufacturer.
Here are some questions and answers to help you along the way.