PISTON KIT 94-96 YZ125 56.00, WOSSNER 8116D200 YAMAHA MX
Wossner Piston Kit 8116D200 is a +2.00 oversize forged piston with a 56.00mm bore. Manufactured in Germany, this piston is engineered for strength, reliability, and optimal thermal performance. Its elliptical design ensures consistent and even bearing surface contact under high temperatures, helping to reduce stress concentrations and prevent piston failure. Features include forged construction for superior strength and wear resistance, an elliptical profile that supports even thrust load distribution during heat expansion, and design for efficient combustion heat transfer to cylinder walls. Specifications: Bore 56.00 mm, Actual Piston Diameter 55.94 mm, Stroke 54.50 mm, Displacement 124 cm³, Clearance 0.06 mm, Compression Height 28.00 mm, Wossner Compression Ratio 2-stroke, OEM Compression Ratio 2-stroke. Cross-Reference OEM Part Numbers include Wossner Piston 8116D200, Lock CW16, Pin WP036, Ring Set RSB5600, Rod P2047. Internal Part No: 56-W647+200.WO.
- SKU
- 56-W647+200.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Oversize Forged Piston Kit for Yamaha YZ125
This Wossner Piston Kit is engineered for high-performance applications, offering enhanced strength and reliability. Manufactured in Germany, this forged piston is designed to meet the demands of racing and performance riding.
Key Features
- Forged Construction: Provides superior strength, durability, and wear resistance compared to cast pistons.
- Elliptical Piston Profile: Designed for optimal performance under high temperatures, ensuring consistent surface contact and reducing stress concentrations.
- Efficient Heat Transfer: Facilitates effective transfer of combustion heat to the cylinder walls for improved thermal management.
- Precision Manufacturing: Crafted in Germany to exacting standards for a precise fit and reliable operation.
- Oversize Design: This is a +2.00 oversize piston, indicated by a 56.00mm bore size, allowing for potential cylinder refurbishment or performance tuning.
Specifications
- Bore Size: 56.00 mm
- Actual Piston Diameter: 55.94 mm
- Stroke: 54.50 mm
- Displacement: 124 cm³
- Piston Clearance: 0.06 mm
- Compression Height: 28.00 mm
- Compression Ratio (2-Stroke): Specified by Wossner and OEM


