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2003 Yamaha YZ125 New Genuine OEM STD Bore Size Top End Rebuild Kit includes:
( 1 ) Genuine OEM Yamaha 54mm STD Bore Size Engine Cylinder PN 5UN-11311-11-00
( 1 ) Genuine OEM Yamaha 54mm STD Bore Size Piston 5NY-11631-01-A0
( 1 ) Genuine OEM Yamaha 54mm STD Bore Size Piston Ring 5NY-11611-00-00
( 1 ) Genuine OEM Yamaha Piston Wrist Pin 5UN-11633-00-00
( 2 ) Genuine OEM Yamaha Piston Circlips 93450-16068-00
( 1 ) Genuine OEM Yamaha Connecting Rod Small End Needle Bearing 93310-21510-00
( 5 ) Genuine OEM Yamaha Cylinder Stud Bolts PN 90116-08394-00
( 2 ) Genuine OEM Yamaha Dowel Pins PN 99590-10114-00
( 1 ) Vertex Top End Gasket Kit PN 6810639
Top End Gasket Kit includes Gaskets, O-rings and Exhaust Gasket
Fits 2003 Yamaha YZ125 models only.
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 Part numbers have been superceded to the most updated part numbers per the manufacturer.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.