PISTON KIT YZF WRF 250 3-RING, WOSSNER 8712DC 08-13 77mm
Wossner forged piston kit with a 77.02mm bore and 76.98mm diameter. This 3-ring piston is engineered for durability and high performance, featuring superior strength and design. Manufactured in Germany, it ensures optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features: Forged construction for superior strength; Optimized heat transfer for efficient combustion; Elliptical design for uniform load distribution; 3-ring piston design for durability; Manufactured in Germany. Specifications: Bore: 77.02mm; Diameter: 76.98mm; Display (cm³): 249; Stroke (mm): 53.60; Clearance (mm): 0.04; Wossner Compression Ratio: OEM; OEM Compression Ratio: 13.50:1; Dome Volume (cm³): -2.90; Compression Height (mm): 22.20. Includes Lock P/N: CW16, Pin P/N: WP059, Ring Set P/N: 770XAS-2, Rod P/N: P4005.
- SKU
- 56-W240+00C.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Forged Piston Kit for Yamaha YZF/WRF 250
Upgrade your Yamaha YZ250F or WR250F engine with this high-performance Wossner forged piston kit. Engineered for exceptional durability and power, this 3-ring piston is crafted in Germany to exacting standards. Its advanced design ensures optimal heat transfer, promoting efficient combustion and longevity. The elliptical piston shape provides a uniform bearing surface, distributing thrust loads evenly to prevent localized pressure and piston collapse, even under extreme heat and expansion.
Key Features:
- Forged construction for superior strength and resilience
- Elliptical piston design for balanced load distribution and reduced wear
- 3-ring configuration for enhanced durability and performance
- Optimized for efficient heat transfer to cylinder walls
- Precision manufactured in Germany
Specifications:
- Bore Size: 77.02mm
- Piston Diameter: 76.98mm
- Engine Displacement: 249 cm³
- Stroke: 53.60 mm
- Recommended Piston Clearance: 0.04 mm
- Dome Volume: -2.90 cm³
- Compression Height: 22.20 mm
- Wossner Compression Ratio: OEM
- OEM Compression Ratio: 13.50:1
