Yamaha YZ 250 (1982-1998) YZ 125 (1982-1993) Cylinder Powervalve Oil Seal

A new powervalve shaft Double Lipped oil seal, fits on the righthand side of the cylinder. (item 25 on the diagram)

Stop all that black carbonised fuel leaking from the side of your engine !

Diagram shows 250 cylinder but this seal is the same for the 125 as listed.