PISTON KIT 2010 KX250F 77mm B, WOSSNER 8777DB KAWASAKI HC
Wossner forged piston kit with 77.01mm bore size (76.97mm actual) and two-ring design. Features an elliptical shape for even load distribution and efficient combustion heat transfer. Manufactured in Germany, it maintains OEM compression characteristics. Specifications include a 250 cm³ displacement, 53.60 mm stroke, 0.04 mm clearance, 13.20:1 OEM compression ratio, -2.50 cm³ dome volume, 19.60 mm compression height, CW16 lock, WP070 pin, and 770XAS-2 ring set. Cross-reference OEM part numbers include 13001-0115, Wiseco 40009M, Vertex 23566, and ProX 01.4340.
- SKU
- 56-W953.B.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Piston Kit 77mm Oversize
This Wossner forged piston kit is precision-manufactured in Germany to deliver enhanced performance and durability for your motorcycle engine. It features a 77.01mm bore size, providing a 0.01mm oversize fitment. The two-ring design and elliptical shape of the piston are engineered to distribute thrust loads evenly, minimizing stress and wear during operation, while maintaining OEM compression characteristics for reliable performance.
Key Features
- Forged piston construction for superior strength and longevity.
- Two-ring configuration enhances sealing and performance.
- Elliptical piston design ensures even load distribution under thermal expansion.
- Engineered for efficient transfer of combustion heat to cylinder walls.
- Manufactured to high standards in Germany.
Specifications
- Bore Size: 77.01mm (actual 76.97mm)
- Displacement: 250 cm³
- Stroke: 53.60 mm
- Clearance: 0.04 mm
- Compression Ratio (Wossner): OEM
- Compression Ratio (OEM): 13.20:1
- Dome Volume: -2.50 cm³
- Compression Height: 19.60 mm
- Lock Part Number: CW16
- Pin Part Number: WP070
- Ring Set Part Number: 770XAS-2
