PISTON KIT XT TT SR 500 88.50, FORGED WOSSNER 8505D150
Wossner forged piston kit for Yamaha XT500, TT500, and SR500 models. Manufactured in Germany, this piston offers superior strength and heat transfer efficiency. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse. Features forged construction for enhanced durability and strength, optimized heat transfer for improved performance, and an elliptical design for uniform bearing surface and reduced wear. Designed for 4-stroke engines. Specifications include a bore size of 88.50 mm, actual bore of 87.93 mm, stroke of 84.00 mm, clearance of 0.07 mm, compression height of 29.00 mm, dome volume of +13.70 cm³, compression ratio of 9.80:1 (OEM 9.00:1), and displacement of 449 cm³. Made in Germany. Wossner Part No: 8505D150.
- SKU
- 56-W4045+150
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Forged Piston Kit for Yamaha XT TT SR 500
Enhance the performance and durability of your Yamaha XT500, TT500, or SR500 with this premium forged piston kit from Wossner. Expertly manufactured in Germany, this piston is engineered for superior strength and efficient heat transfer, crucial for demanding 4-stroke engines.
The innovative elliptical design ensures an even distribution of load across the piston's surface. This design significantly reduces localized pressure points, minimizing wear and preventing potential piston collapse, even under extreme operating conditions.
Key Features:
- Forged Construction: Provides exceptional durability and strength compared to cast pistons.
- Optimized Heat Transfer: Promotes better thermal management for improved engine performance and longevity.
- Elliptical Design: Creates a uniform bearing surface, leading to reduced wear and increased piston life.
- Engineered for 4-Stroke Engines: Specifically designed to meet the demands of your motorcycle's engine.
Specifications:
- Bore Size: 88.50 mm
- Actual Bore: 87.93 mm
- Stroke: 84.00 mm
- Clearance: 0.07 mm
- Compression Height: 29.00 mm
- Dome Volume: +13.70 cm³
- Compression Ratio: 9.80:1 (compared to OEM 9.00:1)
- Displacement: 449 cm³
- Manufacturing Origin: Made in Germany
Wossner Part Number: 8505D150
Included Components:
- Lock P/N: CW20
- Pin P/N: WP052
- Ring Set P/N: 885XSY


