PISTON KIT 83-87 YZ250 69.50, WOSSNER 8133D150 YAMAHA MXPiston kit 69. 50mm Bore 69. 44 Wossner 8133D150 (+1. 50) YAMAHA YZ250 1983 1987, Wossner forged pistons are superior in strength and design. Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse. Made in

Smooth clutch take-up using anti-swell

S410485001285 ATHENA Cylinder Head Gasket - S410485001285

HOTROD 8108

Air leak test

High resistant to corrosion

56-W560+100

Washer Thickness (mm): N/A

2012 YZ250 (YZ250B2) - Crankshaft Piston

Note: Water pump seal is not included in this kit

Certified 8620 AISI steel provides superior strength

Yamaha YZ250F YZ 250 250F Wiseco PISTON KIT 77mm STD

ATF is a high-quality oil for use in automatic