PISTON KIT XT TT SR 500 87.00, 8505DA FORGED WOSSNER

Wossner Forged Piston Kit for Yamaha XT/TT/SR 500

Enhance the performance and durability of your Yamaha XT500, TT500, or SR500 with this high-quality forged piston kit from Wossner. Expertly manufactured in Germany, this piston is engineered for superior strength and efficient heat transfer, crucial for maximizing engine output and longevity.

The advanced elliptical design of the Wossner piston ensures a more uniform bearing surface. This innovative feature distributes load evenly across the piston, significantly reducing localized pressure points and preventing premature wear or piston collapse. This results in a smoother running engine and extended component life.

Key Features:

• Forged Construction: Provides exceptional strength and durability over cast pistons.
• Optimized Heat Transfer: Promotes efficient cooling for improved performance and reliability.
• Elliptical Design: Creates a uniform bearing surface for reduced wear and even load distribution.
• Designed for 4-Stroke Engines: Specifically engineered for optimal performance in 4-stroke applications.

Specifications:

• Bore Size: 87.00 mm
• Actual Bore: 86.93 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: Germany

Wossner Part Number: 8505DA

Included Components:

• Lock P/N: CW20
• Pin P/N: WP052
• Ring Set P/N: 870XSY