PISTON KIT 81-19 PW50 40.00, 8267DA WOSSNER YAMAHA 18M-11631-00-A0
Wossner forged piston kit standard size 40.00mm bore for Yamaha PW50 1981-2019. Features forged construction for high strength and longevity, elliptical design for uniform bearing surface during heat expansion, efficient heat transfer to cylinder walls, and prevents localized pressure buildup and piston collapse. Manufactured in Germany. Specifications include 40.00mm bore size, 39.95mm actual piston size, 39.20mm stroke, 0.05mm piston clearance, 2-stroke compression ratio (Wossner and OEM), 24.90mm compression height. Circlip part number CW10, pin part number WP105, ring set part number RSB4000. Cross-reference OEM part numbers 18M-11631-00-A0, 653M04000.
- SKU
- 56-W938+000_WO
- Brand
- Wossner
- Availability
- In Stock (2)
FULL DESCRIPTION
Wossner Forged Piston Kit - 40.00mm Bore
Upgrade your engine with this high-performance Wossner forged piston kit. Specifically engineered for precision and durability, this kit is designed to optimize the performance of your compatible two-stroke engine. Manufactured in Germany, Wossner pistons are renowned for their superior quality and advanced design.
Key Features:
- Forged Construction: Provides exceptional strength and longevity, ensuring reliable performance under demanding conditions.
- Elliptical Design: Creates a uniform bearing surface, even during thermal expansion, for consistent performance and reduced wear.
- Efficient Heat Transfer: Facilitates effective heat dissipation to the cylinder walls, helping to prevent overheating and maintain optimal operating temperatures.
- Prevents Piston Collapse: The advanced design helps to avoid localized pressure buildup, ensuring the piston maintains its integrity.
- Precision Engineering: Manufactured in Germany to exacting standards for a perfect fit and superior performance.
Specifications:
- Bore Size: 40.00mm
- Actual Piston Size: 39.95mm
- Stroke: 39.20mm
- Piston Clearance: 0.05mm
- Wossner Compression Ratio: 2-stroke
- OEM Compression Ratio: 2-stroke
- Compression Height: 24.90mm
- Circlip Part Number: CW10
- Pin Part Number: WP105
- Ring Set Part Number: RSB4000
Cross-Reference OEM Part Numbers:
- 18M-11631-00-A0
- 653M04000
