PISTON KIT 01-04 YZF250 77.00, 8572DB WOSSNER 2-RING
Available from Supplier — dispatched directly
This item is dispatched directly to you by our supplier. Supplier stock is separate from stock held at BTP.
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PISTON KIT 01-04 YZF250 77.00, 8572DB WOSSNER 2-RING is available to order. Please contact us to confirm availability and lead time.
Pickup currently unavailable at Braydon Trailers HQ
BTP – Your Trusted Trailer & ATV Specialists in the South West
Authorised dealer for top brands, including CFMOTO, Brian James, Debon, Cheval Liberté, Tiki, Woodford, Erde, and more.
Description
Description
Wossner forged piston kit designed for superior strength and performance. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany.
Features
- Forged construction for enhanced durability
- Optimized heat transfer for improved performance
- Elliptical design prevents localized pressure and piston collapse
- Pro Series design with a two-ring configuration for enhanced sealing and longevity
Specifications
- Bore: 76.97 mm
- Piston Size: 77.01 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
Cross-Reference OEM Part Numbers
- Lock: CW16
- Pin: WP059
- Ring Set: 770XAS
- Rod: P4006 / P4005
Vehicle Fitments
- Yamaha YZF250 (2001-2004)
- Yamaha WR250F (2001-2004)
