PISTON KIT 98-99 YZF400 92.00, FORGED WOSSNER 8603DC
Wossner 92.02mm Bore Piston Kit (Part No. 8603DC) is a high-performance forged piston engineered for strength and durability. It enhances heat transfer within the combustion chamber and features an elliptical design for even load distribution, reducing localized pressure and preventing piston collapse. Manufactured in Germany, this piston maintains the OEM compression ratio. Features include high-strength forged piston construction, optimized heat transfer for improved combustion efficiency, and an elliptical design for even thrust load distribution. Specifications: Bore Size: 92.02mm, Actual Bore Diameter: 91.97mm, Compression Ratio: OEM, OEM Compression Ratio: 11.0:1, Displacement: 290cc, Stroke: 61.20mm, Clearance: 0.06mm, Dome Volume: -4.80cm³, Compression Height: 23.00mm. Cross-Reference OEM Part Numbers: Lock P/N: CW18, Pin P/N: WP053, Ring Set P/N: 920XSY.
- SKU
- 56-W4649.C.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Forged Piston Kit 92.02mm Bore for Yamaha YZ400F WR400F
Upgrade your Yamaha YZ400F or WR400F with this high-performance forged piston kit from Wossner. Engineered in Germany, this piston (Part No. 8603DC) is designed for exceptional strength, durability, and optimized engine performance. The advanced forged construction ensures superior heat transfer within the combustion chamber, while the innovative elliptical design promotes even load distribution across the piston's surface. This reduces localized pressure, preventing piston collapse and leading to a more reliable and efficient engine.
Key Features:
- High-strength forged piston construction for maximum durability
- Optimized heat transfer enhances combustion efficiency
- Elliptical design ensures even thrust load distribution, minimizing wear
- Manufactured to exacting standards in Germany
- Maintains OEM compression ratio for seamless integration
Specifications:
- Bore Size: 92.02mm
- Actual Bore Diameter: 91.97mm
- Compression Ratio: OEM (11.0:1)
- Displacement: 290cc
- Stroke: 61.20mm
- Piston Clearance: 0.06mm
- Dome Volume: -4.80cm³
- Compression Height: 23.00mm
Included Components:
- Lock Piston Pin Clip Part Number: CW18
- Piston Pin Part Number: WP053
- Ring Set Part Number: 920XSY
