PISTON KIT 1983&85 YZ125 56.75, WOSSNER 8119D075 YAMAHA
Wossner piston kit with 56.75mm bore (+0.75 oversize) and 56.69mm measured bore. Forged construction for enhanced strength and improved thermal transfer. Piston's elliptical shape distributes thrust loads evenly, reducing the risk of piston collapse. Manufactured in Germany. Bore Size: 56.75mm. Bore (Actual Measured): 56.69mm. Display Volume: 83 cm³. Stroke: 84.00mm. Clearance: 0.06mm. Compression Ratio (Wossner): 2-stroke. Compression Ratio (OEM): 2-stroke. Compression Height: 30.80mm. Dome Volume: Not specified. Theoretical Weight: Not specified. Lock Part Number: CW16. Pin Part Number: WP036. Ring Set Part Number: RSB5600. Cross-Reference OEM Part Numbers: 39W-11-630-00-00, 55Y-11631-00-94.
- SKU
- 56-W503+075.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Piston Kit 56.75mm Bore for Yamaha YZ125
Upgrade your Yamaha YZ125 with this high-performance Wossner piston kit. Engineered for durability and optimal performance, this kit features a forged construction and an advanced elliptical design.
Key Features:
- Forged Construction: Provides superior strength and longevity.
- Enhanced Thermal Transfer: Effectively moves heat from the combustion chamber to the cylinder walls, aiding in efficient engine operation.
- Elliptical Piston Design: Ensures uniform pressure distribution, significantly reducing thrust loads and minimizing the risk of piston collapse.
- German Engineering: Manufactured to exacting standards in Germany.
Specifications:
- Bore Size: 56.75mm
- Actual Measured Bore: 56.69mm
- Stroke: 84.00mm
- Piston Clearance: 0.06mm
- Compression Height: 30.80mm
- Lock Pin Part Number: CW16
- Pin Part Number: WP036
- Ring Set Part Number: RSB5600
