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PISTON KIT XR400 TRX400 85.00, FORGED WOSSNER 8604DA HONDA 13110-KCY-670
£186.49 GBP
Taxes included.
Wössner forged piston kit with an 85mm bore, designed for Honda XR400R motorcycles and TRX400 series ATVs. Manufactured in Germany, this high-performance piston enhances strength, heat transfer, and durability. The elliptical design ensures uniform bearing surface distribution, reducing localized pressure and preventing piston collapse.
Features
- Forged construction for superior strength and durability
- Optimized heat transfer to cylinder walls
- Elliptical design for uniform bearing surface under heat expansion
- Increased compression ratio for improved engine performance
- Made in Germany
Specifications
- Bore: 85mm (84.94mm actual)
- Display: 397 cm³
- Stroke: 70.00mm
- Clearance: 0.06mm
- Wössner Compression Ratio: 11.00:1
- OEM Compression Ratio: 10.00:1
- Dome Volume: +3.20 cm³
- Compression Height: 26.20mm
- Theoretical Weight: [Not provided]
Cross-Reference OEM Part Numbers
- Wössner Piston: 8604DA
- Lock: CW20
- Pin: WP052
- Ring Set: 850XSY
- Rod: P4021
- OEM Part Numbers: 13110-KCY-670, 4628M08500
Vehicle Fitments
- Honda XR400R (1996-2004)
- Honda TRX400EX (1999-2008)
- Honda TRX400X (2009-2012)