Yamaha YZ250 1988-1989 Top End Engine Rebuild Kit Piston Bearing Gasket Set
Yamaha YZ250 1988-1989 Top End Engine Rebuild Kit Piston Bearing Gasket Set
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Yamaha YZ250 1988-1989 Top End Engine Rebuild Kit Piston Bearing Gasket Set

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1988-1989 Yamaha YZ250 Piston Kit, Gasket set, and bearing

 

Mitaka top end rebuild kit consisting of:

 

Mitaka Piston Kit 

Piston - High silicon aluminium alloy, CNC machined, Teflon coating in high friction areas.

Rings - Are the best available. Riken are the same manufacturer used on many Japanese and European OEM pistons.

Gudgeon Pin - Hollow, forged, steel alloy, chromed, high strength and hardness.

Clearance 0.045mm-0.055mm

 

Small End Bearing 

Small end bearing, made in Japan. Roller bearing with heavy duty roller cage designed for high RPM and durability.

 

Mitaka Gasket Set 

Head gasket or O-rings, Base gasket, Exhaust valve gaskets, Exhaust pipe O-rings & various O-rings if required. All gaskets and rings that are needed for a piston change are included.


All Mitaka components are engineered to OEM specifications or higher using the same manufacturing techniques and high quality materials.

PLEASE NOTE IMAGES FOR ILLUSTRATION ONLY. You will receive the item listed above. The images shown are Mitaka components, however some have a different fitment to the components listed.