PISTON KIT 01-04 YZF250 77.00, 8572DC WOSSNER 2-RING
Wossner 2-ring forged piston kit with a 77.00mm bore and 77.02mm piston size. Designed for superior strength and performance with optimized heat transfer. The elliptical design ensures uniform bearing surface under heat expansion, preventing piston collapse and distributing thrust loads evenly. Manufactured in Germany. Features include forged construction, optimized heat transfer, elliptical design, and Pro Series with a two-ring configuration. Specifications: Bore 76.98mm, Piston Size 77.02mm, Displacement 249 cm³, Stroke 53.60mm, Clearance 0.04mm, Wossner Compression Ratio 12.80:1, OEM Compression Ratio 12.50:1, Dome Volume -4.80 cm³, Compression Height 20.50mm. Cross-reference OEM part numbers: Lock CW16, Pin WP059, Ring Set 770XAS, Rod P4006 / P4005. Weight 258g.
- SKU
- 56-W022+00C.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Forged Piston Kit - Pro Series 2-Ring
Upgrade your engine's performance and durability with this Wossner forged piston kit. Precision-engineered in Germany, this Pro Series piston is designed for superior strength and optimal heat transfer, ensuring consistent power delivery and longevity. Its advanced elliptical design effectively manages heat expansion, preventing localized pressure and distributing thrust loads evenly to avoid piston collapse.
Key Features:
- Forged construction for exceptional durability and strength
- Engineered for efficient heat transfer from the combustion chamber to cylinder walls
- Elliptical piston design ensures uniform bearing surface under heat expansion, preventing localized pressure and piston collapse
- Pro Series design with a two-ring configuration for enhanced sealing and extended lifespan
Specifications:
- Bore: 76.98 mm
- Piston Size: 77.02 mm
- Displacement: 249 cm³
- Stroke: 53.60 mm
- Clearance: 0.04 mm
- Wossner Compression Ratio: 12.80:1
- OEM Compression Ratio: 12.50:1
- Dome Volume: -4.80 cm³
- Compression Height: 20.50 mm
Included Components:
- Lock: CW16
- Pin: WP059
- Ring Set: 770XAS
- Rod: P4006 / P4005
