PISTON KIT 86-88 YZ125 56.50, WOSSNER 8118D050 YAMAHA MX
Wossner 56.50mm (+0.50 oversize) forged piston kit for Yamaha YZ125 models. This piston features a forged construction and elliptical design, built to withstand thermal and mechanical stress, ensuring efficient combustion heat transfer and even thrust load distribution. Manufactured in Germany, it is suited for two-stroke engine performance and reliability. Specifications include a bore of 56.50mm, actual diameter of 56.44mm, displacement of 123 cm³, stroke of 50.00mm, clearance of 0.06mm, compression height of 30.00mm, and a 2-stroke compression ratio. This kit includes lock CW16, pin WP036, and ring set RSB5650.
- SKU
- 56-W559+050.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Forged Piston Kit for Yamaha YZ125
Enhance the performance and reliability of your Yamaha YZ125 with this Wossner forged piston kit. This high-quality piston is engineered for demanding off-road conditions, providing superior strength and durability.
Key Features
- Forged Construction: Offers increased strength and longevity compared to cast pistons, handling higher stresses effectively.
- Elliptical Design: Promotes uniform bearing surface under heat expansion, reducing wear and ensuring consistent performance.
- Optimised Heat Transfer: Designed for efficient combustion heat transfer to the cylinder walls, aiding in thermal management.
- Even Thrust Load Distribution: Minimises localised pressure points, reducing the risk of piston collapse and extending engine life.
- German Engineering: Manufactured in Germany to exacting standards for premium quality and performance.
- Two-Stroke Specific: Tailored for the unique demands of two-stroke engines.
Specifications
- Bore Size: 56.50mm
- Actual Diameter: 56.44mm
- Displacement: 123 cm³
- Stroke: 50.00mm
- Clearance: 0.06mm
- Compression Height: 30.00mm


