Wossner forged piston kit designed for KTM LC2 125 (all years) and Yamaha DT125R, DT125E, DT125X, and TZR125 (1988-2008) models. Engineered for superior strength and optimal heat transfer, these pistons feature an elliptical design to ensure uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany.

Features

• Forged piston for increased strength and durability


• Optimized heat transfer for efficient combustion chamber performance


• Elliptical design for even thrust load distribution and reduced piston collapse


• Manufactured in Germany

Specifications

• Bore Size: 56.50mm


• Actual Bore Diameter: 56.44mm


• Displacement: 124 cm³


• Stroke: 50.70mm


• Clearance: 0.06mm


• Wossner Compression Ratio: 2-stroke


• OEM Compression Ratio: 2-stroke


• Compression Height: 29.90mm


• Lock Part Number: CW16


• Pin Part Number: WP036


• Ring Set Part Number: RSB5650 x 2

Vehicle Fitments

• KTM LC2 125 (All Years)


• Yamaha DT125R (1988-2008)


• Yamaha DT125E (1988-2008)


• Yamaha DT125X (1988-2008)


• Yamaha TZR125 (1988-2008)