PISTON KIT YZ 250F 2019 76.96 A, WOSSNER 8957DA, B7B-11631-00-00

Piston kit 77mm Wossner 8957DA (STD)

YAMAHA
YZ 250 F 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-W8812.A.WO (oro2u.com)WOSSNER PISTON KIT 8957DA

Cross reference numbers ONLY.
B7B-11631-00-00