PISTON KIT XT TT SR 500 87.50, FORGED WOSSNER 8505D050
Wossner forged piston kit for 4-stroke engines, manufactured in Germany. Features forged construction for durability and strength, optimized heat transfer for improved performance, and an elliptical design for uniform bearing surface and reduced wear. Specifications include: Bore Size 87.50 mm, Actual Bore 87.43 mm, Stroke 84.00 mm, Clearance 0.07 mm, Compression Height 29.00 mm, Dome Volume +13.70 cm³, Compression Ratio 9.80:1, Displacement 449 cm³. Wossner Part No. 8505D050, Lock P/N CW20, Pin P/N WP052, Ring Set P/N 875XSY.
- SKU
- 56-W4045+050
- Brand
- Wossner
- Availability
- In Stock (2)
FULL DESCRIPTION
Wossner Forged Piston Kit - Enhanced Performance for Yamaha 500 Series
Upgrade your Yamaha XT500, TT500, or SR500 with this premium forged piston kit from Wossner. Engineered in Germany, this high-quality piston is designed to deliver superior strength, durability, and improved performance for your 4-stroke engine.
Key Features:
- Forged Construction: Provides exceptional strength and resilience for demanding engine conditions.
- Optimized Heat Transfer: Promotes efficient cooling, contributing to better overall engine performance and longevity.
- Elliptical Design: Ensures uniform load distribution across the bearing surface, reducing localized pressure and preventing premature wear or piston collapse.
- Increased Compression Ratio: Offers a 9.80:1 compression ratio (compared to OEM 9.00:1) for a noticeable boost in power.
Specifications:
- Bore Size: 87.50 mm
- Actual Bore: 87.43 mm
- Stroke: 84.00 mm
- Clearance: 0.07 mm
- Compression Height: 29.00 mm
- Dome Volume: +13.70 cm³
- Displacement: 449 cm³
- Made in Germany
Included Components:
- Wossner Piston Part Number: 8505D050
- Lock Ring Part Number: CW20
- Piston Pin Part Number: WP052
- Ring Set Part Number: 875XSY


