Honda CR250 1978 1979 Wossner Piston Kit 71.5mm Bore 71.44mm Piston

Wossner forged piston kit designed for Honda CR250R 1978-1979.

Wossner are Phoenix Motos Preferred brand.

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: 71.50 mm
• Actual Bore: 71.44 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

• Lock P/N: CW18
• Pin P/N: WP033
• Ring Set P/N: RSB7150 x 2

Vehicle Fitments

• Honda CR250R (1978-1980)
• Honda ATC250R (1981-1984)