PISTON KIT 06-09 YZF WRF450 95, WOSSNER 8631DA HC YZF450, 2S2-11631-20-00
Available from Supplier — dispatched directly
This item is dispatched directly to you by our supplier. Supplier stock is separate from stock held at BTP.
Looking to purchase?
Call or WhatsApp us on 01793 239039
or email Office@btpsouthwest.uk
Our team is on hand to help with availability, advice and finance options.
PISTON KIT 06-09 YZF WRF450 95, WOSSNER 8631DA HC YZF450, 2S2-11631-20-00 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 Pro Series high-compression forged piston kit designed for GasGas ECF450F (2013-2015), Yamaha YZ450F (2006-2009), and WR450F (2006-2009) models. Engineered for superior strength and optimal heat transfer, these pistons feature an elliptical design to ensure uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Manufactured in Germany.
Features
- High-compression Pro Series forged piston
- Optimized heat transfer for efficient combustion chamber performance
- Elliptical design for even thrust load distribution and reduced piston collapse
- Manufactured in Germany
Specifications
- Bore Size: 95.00mm
- Actual Bore Diameter: 94.96mm
- Displacement: 449 cm³
- Stroke: 63.40mm
- Clearance: 0.04mm
- Wossner Compression Ratio: 13.50:1
- OEM Compression Ratio: 12.30:1
- Dome Volume: -6.10 cm³
- Compression Height: 23.50mm
- Lock Part Number: CW18
- Pin Part Number: WP053
- Ring Set Part Number: 950ADS-2
- Rod Part Number: P4008
Cross-Reference OEM Part Numbers
- 2S2-11631-20-00
Vehicle Fitments
- GasGas ECF450F (2013-2015)
- Yamaha YZ450F (2006-2009)
- Yamaha WR450F (2006-2009)
