PISTON KIT 05-09 CR250 66.40 A, WOSSNER 8171DA HONDA MX
Wossner piston kit with 66.40 mm bore size. Forged piston design for superior strength and performance. Engineered for optimal combustion chamber heat transfer with elliptical geometry to ensure even thrust load distribution and resist piston collapse during thermal expansion. Manufactured in Germany. Specifications: Bore 66.40 mm, actual diameter 66.34 mm, clearance 0.06 mm, compression height 38.00 mm, displacement 249 cm³, stroke 72.00 mm. Cross-reference OEM part numbers: 13110-KSK-730, 13120-KSK-730, 13121-KSK-732, 13111-KSK-730, 90601-430-000, 09104866.
- SKU
- 56-W860+00A.WO
- Brand
- Wossner
- Availability
- In Stock (2)
FULL DESCRIPTION
Wossner Piston Kit for Honda CR250R
This Wossner piston kit is precision-engineered for high-performance two-stroke engines. Manufactured in Germany, it is designed to offer superior strength and optimal thermal management. The innovative elliptical piston design ensures uniform load distribution, significantly reducing the risk of piston collapse even under demanding high-temperature operating conditions.
Key Features:
- Forged piston design for enhanced strength and performance.
- Engineered for optimal combustion chamber heat transfer.
- Elliptical geometry promotes even thrust load distribution.
- Resists piston collapse during thermal expansion for increased durability.
- Manufactured to exacting standards in Germany.
Specifications:
- Bore: 66.40 mm
- Actual Diameter: 66.34 mm
- Clearance: 0.06 mm
- Compression Height: 38.00 mm
- Displacement: 249 cm³
- Stroke: 72.00 mm
- Wossner Compression Ratio: 2-stroke
- OEM Compression Ratio: 2-stroke


