Piston Kit:

• Bore Size: 97mm
• Model: Wossner 8949DA (STD)
• Compression Ratio: 12.9:1

Compatibility:

Yamaha

• YZ450F: 2018 - 2019
• YZ450FX: 2019
• WR450F: 2019

Features:

• 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 Number:

• Description: Wossner high compression Piston Yamaha YZ450F 97 mm Bore

Cross Reference Numbers:

• BR9-11631-00-00