Wossner forged piston kit with a 66.50mm bore and 66.44mm diameter, designed for Yamaha 175 CT-2, CT, DT, and MX models. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse.

Features

• Forged construction for superior strength


• Optimized heat transfer for efficient combustion


• Elliptical design for uniform load distribution


• Manufactured in Germany

Specifications

• Bore: 66.50mm


• Diameter: 66.44mm


• Stroke (mm): 50.00


• Clearance (mm): 0.06


• Wossner Compression Ratio: 2-Stroke


• OEM Compression Ratio: 2-Stroke


• Compression Height (mm): 30.00

Cross-Reference OEM Part Numbers

• Wossner Piston Yamaha DT175 MX, CT-2 (PN# 8182D100)


• Lock P/N: CW16


• Pin P/N: WP027


• Ring Set P/N: RSB6700 x 2

Vehicle Fitments

• Yamaha 175 CT-2 (1977)


• Yamaha 175 CT (1977)


• Yamaha 175 DT (1979-1981)


• Yamaha 175 MX (1979-1982)