PISTON KIT 81-19 PW50 41.00, 8267D100 WOSSNER YAMAHA
Wossner 81-19 PW50 41.00 piston kit. This Wossner forged piston kit is a +1.00mm oversize replacement for Yamaha PW50 models. Designed for two-stroke engine rebuilds requiring an increased bore size, it provides exceptional durability and precise thermal expansion characteristics. Forged construction ensures superior strength and wear resistance. Elliptical design delivers a uniform bearing surface under heat expansion. Efficient heat transfer from combustion chamber to cylinder walls. Prevents piston collapse by evenly distributing thrust loads. Manufactured in Germany. Bore Size: 41.00mm. Actual Piston Size: 40.95mm. Stroke: 39.20mm. Piston Clearance: 0.05mm. Wossner Compression Ratio: 2-stroke. OEM Compression Ratio: 2-stroke. Compression Height: 24.90mm. Lock Part Number: CW10. Pin Part Number: WP105. Ring Set Part Number: RSB4100. Cross-Reference OEM Part Numbers: Part No: 8267D100.
- SKU
- 56-W938+100_WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Forged Piston Kit +1.00mm Oversize for Yamaha PW50
Upgrade your Yamaha PW50 engine with this high-performance Wossner forged piston kit. Specifically designed as a +1.00mm oversize replacement, this kit is ideal for engine rebuilds where increased bore size is required, offering superior durability and optimized thermal expansion for two-stroke engines.
Key Features
- Forged Construction: Provides exceptional strength and enhanced wear resistance for longevity.
- Elliptical Design: Ensures a uniform bearing surface even under significant heat expansion, promoting smooth operation.
- Efficient Heat Transfer: Facilitates effective heat dissipation from the combustion chamber to the cylinder walls, helping to prevent overheating.
- Even Thrust Load Distribution: Prevents piston collapse by distributing thrust loads evenly across the piston surface.
- German Manufacturing: Engineered and produced in Germany, ensuring high-quality standards and precision.
Specifications
- Bore Size: 41.00mm
- Actual Piston Size: 40.95mm
- Stroke: 39.20mm
- Piston Clearance: 0.05mm
- Compression Height: 24.90mm
- Lock Part Number: CW10
- Pin Part Number: WP105
- Ring Set Part Number: RSB4100
Cross-Reference OEM Part Numbers
- Part No: 8267D100


