Wossner forged piston kit designed for Yamaha YZ125 models from 1976 to 1982. 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: 57.00 mm
- Actual Bore: 56.94 mm
- Stroke: 56.50 mm
- Clearance: 0.06 mm
- Compression Height: 25.40 mm
- Dome Volume: +6.40 cm³
- Compression Ratio: 10.50:1 (OEM)
- Displacement: 123 cm³
- Made in Germany
Cross-Reference OEM Part Numbers
- Wossner Part No.: 8115D100
- Lock P/N: CW16
- Pin P/N: WP036
- Ring Set P/N: RSB5700
Vehicle Fitments
- Yamaha YZ125 (1976-1982)
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