Wossner forged piston kit designed for durability and optimized heat transfer. Engineered with an elliptical shape for uniform bearing surface distribution, preventing piston collapse. Manufactured in Germany for high performance and reliability.

Features

• Forged construction for superior strength and longevity


• Optimized heat transfer for efficient combustion


• Elliptical design for even thrust load distribution


• Manufactured in Germany

Specifications

• Piston Size: 49.95mm


• Bore: 50mm


• Oversize: Standard


• Clearance: 0.05mm


• Stroke: 50.00mm


• Compression Height: 29.80mm


• Theoretical Weight: 109.70g


• Ring Set Part Number: RSB5000


• Clip Part Number: CW15


• Wrist Pin Part Number: WP067

Cross-Reference OEM Part Numbers

• Wossner 8318DA

Vehicle Fitments

• Yamaha YZ100 (1982-1983)