WOSSNER 77mm FORGED PISTON KIT B, YAMAHA YZ250F 19-25, FX 20-25, WR250F 20-25

Piston kit 77.01mm Wossner 8957DB (+0.01)

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.

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Part No. 56-W8812.B.WO (oro2u.com) WOSSNER PISTON KIT 8957DB

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