Wossner forged piston kit designed for durability and high performance. Engineered for optimal heat transfer to cylinder walls, ensuring efficient combustion. The elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany to high-quality standards.

Features

• Forged piston for enhanced strength and durability


• Optimized heat transfer for efficient combustion


• Elliptical design to prevent piston collapse


• Manufactured in Germany

Specifications

• Bore Size: 55.00mm


• Actual Bore Diameter: 54.94mm


• Displacement: 124 cm³


• Stroke: 68.00mm


• Clearance: 0.06mm


• Wossner Compression Ratio: 2-Stroke


• OEM Compression Ratio: 2-Stroke


• Compression Height: 35.80mm


• Theoretical Weight: Not specified

Included Components

• Lock Part Number: CW15


• Pin Part Number: WP011


• Ring Set Part Number: 550XKS

Vehicle Fitments

• Yamaha TTR125 (2001-2013)


• Yamaha XT125X (2001-2013)


• Yamaha XT125XR (2001-2013)


• Yamaha YBR125 (2001-2013)