PISTON 99-09 TM250 66.4 DOME, WOSSNER 8137DB FORGED KIT, SINGLE RING

Wossner Forged Piston Kit for 2-Stroke Engines

This Wossner forged piston kit is engineered for exceptional strength and performance in 2-stroke motorcycle engines. Manufactured in Germany, it is designed for optimal heat transfer from the combustion chamber to the cylinder walls, ensuring efficient operation. The innovative elliptical design provides a uniform bearing surface even under heat expansion, effectively reducing localized pressure and distributing thrust loads evenly to prevent piston collapse.

Key Features:

• Forged Construction: Offers superior durability and strength for demanding applications.
• Optimized Heat Transfer: Enhances engine performance by efficiently managing heat.
• Elliptical Design: Prevents localized pressure points and ensures even load distribution, safeguarding against piston collapse.
• Domed Piston: Features a domed top for increased combustion efficiency.
• Single-Ring Configuration: Minimizes friction and contributes to improved overall performance.

Specifications:

• Bore: 66.34 mm
• Piston Size: 66.41 mm
• Displacement: 249 cm³
• Stroke: 72.00 mm
• Clearance: 0.07 mm
• Dome Volume: Domed
• Compression Height: 38.00 mm

Included Components:

• Wossner Forged Piston
• Lock: CW18
• Pin: WP033
• Ring Set: RSB6640 x2