WOSSNER PISTON KIT YAMAHA YZ 65 2018-2020, WOSSNER 8306DB, 43.50mm

Piston kit 43.51mm Bore Wossner 8306DB (+0.01) YAMAHA
YZ 65 2018-2019,

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 Germany Part No. 56-W9991.B.WO (oro2u.com)
WOSSNER 8306DB Piston Kit STD BORE 43.51mm