PISTON KIT 15-16 KX250F 77 HC, HIGH COMPRESSION, WOSSNER 8922DB KXF250
Wossner high-compression forged piston kit with a 77.01mm bore. Engineered for increased performance, the elliptical design ensures uniform bearing surface expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany for strength, durability, and efficient heat transfer. Features include high-compression design for enhanced performance, forged construction for increased strength and reliability, optimized heat transfer for efficient combustion, elliptical design for uniform bearing surface and even thrust load distribution, and is manufactured in Germany. Specifications: Bore Size 77.01mm, Clearance 0.05mm, Compression Ratio (Wossner) 14.50:1, OEM Compression Ratio 13.80:1, Dome Volume -1.78 cm³, Compression Height 19.80mm, Stroke 53.60mm, Theoretical Weight 136.00g. Cross-Reference OEM Part Numbers: Wossner Part No. 8922DB, Lock Part No. CW16, Pin Part No. WP087, Ring Set Part No. 770XAS-2.
- SKU
- 56-W331.B.WO.HC
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner High Compression Forged Piston Kit 77.01mm Bore
Upgrade your engine's performance with this Wossner high-compression forged piston kit. Engineered for demanding riders, this kit provides a significant boost in power and efficiency.
Key Features:
- High Compression Design: Increases power output and throttle response.
- Forged Construction: Offers superior strength, durability, and resistance to heat and stress compared to cast pistons.
- Elliptical Piston Design: Features an optimized elliptical shape that allows for uniform expansion of the bearing surface as it heats up. This reduces localized pressure points and prevents piston collapse, ensuring a consistent fit and optimal performance throughout the operating temperature range.
- Efficient Heat Transfer: Manufactured for excellent heat dissipation, contributing to stable engine temperatures and reliable operation.
- Precision German Engineering: Manufactured in Germany to exacting standards, guaranteeing quality and performance.
Specifications:
- Bore Size: 77.01mm
- Clearance: 0.05mm
- Wossner Compression Ratio: 14.50:1
- OEM Compression Ratio: 13.80:1
- Dome Volume: -1.78 cm³
- Compression Height: 19.80mm
- Stroke: 53.60mm
- Theoretical Weight: 136.00g
Wossner Part Numbers:
- Piston Kit: 8922DB
- Lock Ring: CW16
- Pin: WP087
- Ring Set: 770XAS-2


