PISTON 99-09 TM250 66.4 DOME, WOSSNER 8137DD FORGED KIT, SINGLE RING
Wossner 56-W021.D.WO forged piston kit for 2-stroke engines. Features a 66.4mm dome, single ring, and forged construction for enhanced durability and performance. Optimized heat transfer from the combustion chamber to cylinder walls. Elliptical design ensures uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Bore: 66.36 mm, Piston Size: 66.44 mm, Displacement: 249 cm³, Stroke: 72.00 mm, Clearance: 0.07 mm. Dome Volume: Domed, Compression Height: 38.00 mm. Cross-reference OEM part numbers: Lock: CW18, Pin: WP033, Ring Set: RSB6640 x2.
- SKU
- 56-W021.D.WO
- Brand
- Wossner
- Availability
- In Stock (3)
FULL DESCRIPTION
Wossner 66.44mm Forged Piston Kit for 2-Stroke Engines
This Wossner forged piston kit is engineered for enhanced strength and superior performance in 2-stroke motorcycle engines. It is meticulously designed to optimize heat transfer from the combustion chamber directly to the cylinder walls, ensuring efficient operation. The unique elliptical design of the piston surface guarantees a uniform bearing area even under extreme heat expansion. This feature effectively reduces localized pressure and distributes thrust loads evenly across the piston skirt, preventing premature piston collapse and extending component life.
Key Features:
- Forged Construction: Provides exceptional durability and resistance to stress for high-performance applications.
- Optimized Heat Transfer: Facilitates efficient heat dissipation, contributing to consistent power output and engine longevity.
- Elliptical Piston Design: Ensures even load distribution and prevents localized pressure points, enhancing stability and preventing collapse under thermal stress.
- Domed Piston Top: Designed to increase combustion efficiency and power output.
- Single-Ring Configuration: Minimizes friction for improved engine responsiveness and peak performance.
Specifications:
- Bore Size: 66.36 mm
- Piston Diameter: 66.44 mm
- Engine Displacement: 249 cm³
- Stroke Length: 72.00 mm
- Piston Clearance: 0.07 mm
- Dome Volume: Domed
- Compression Height: 38.00 mm
- Piston Material: Forged Aluminum Alloy
