Wossner forged piston kit designed for Honda CR250R (1978-1980) and Honda ATC250R (1981-1984) models. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse.

Features

• Forged construction for enhanced durability and strength


• Optimized heat transfer for improved performance


• Elliptical design for uniform bearing surface and reduced wear


• Designed for 2-stroke engines

Specifications

• Bore Size: 70.50 mm


• Actual Bore: 70.44 mm


• Stroke: 64.40 mm


• Clearance: 0.06 mm


• Compression Height: 32.50 mm


• Compression Ratio: 2-stroke


• Displacement: 123 cm³


• Made in Germany

Cross-Reference OEM Part Numbers

• Wossner Part No.: 8154D050


• Lock P/N: CW18


• Pin P/N: WP033


• Ring Set P/N: RSB7050 x 2

Vehicle Fitments

• Honda CR250R (1978-1980)


• Honda ATC250R (1981-1984)