Name: Piston Kit 00-02 YZF426 95.00, Forged Wossner 8525DA, 5NG-11631-10-00
Brand: Wossner
SKU: 56-W4693+00A.WO

Piston Kit 00-02 YZF426 95.00, Forged Wossner 8525DA, 5NG-11631-10-00

Wossner
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Description

The Wossner 95mm Bore Piston Kit (Part No. 8525DA) is a high-performance forged piston designed for Yamaha YZ426F and WR426F models from 2000 to 2002. Engineered for strength and durability, it optimizes heat transfer within the combustion chamber and features an elliptical design to ensure even load distribution, reducing localized pressure and preventing piston collapse. Manufactured in Germany, this piston maintains the OEM compression ratio for reliable engine performance.

Features

High-strength forged piston construction
Optimized heat transfer for improved combustion efficiency
Elliptical design for even thrust load distribution
Manufactured in Germany

Specifications

Bore Size: 95mm
Actual Bore Diameter: 94.96mm
Compression Ratio: OEM
OEM Compression Ratio: 12.50:1
Displacement: 426cc
Stroke: 60.10mm
Clearance: 0.04mm
Dome Volume: -7.00cm³
Compression Height: 24.10mm

Cross-Reference OEM Part Numbers

Lock P/N: CW19
Pin P/N: WP037
Ring Set P/N: 950XDS
OEM Part Number: 5NG-11631-10-00

Vehicle Fitments

Yamaha YZ426F (2000-2002)
Yamaha WR426F (2000-2002)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ F 426	2000-2002
YAMAHA	WR F 426	2001-2002
YAMAHA	YZF 426	2000-2002
YAMAHA	WRF 426	2001-2002
YAMAHA	YZF 426	2000-2003
YAMAHA	WRF 426	2000-2003

Piston Kit 00-02 YZF426 95.00, Forged Wossner 8525DA, 5NG-11631-10-00

Wossner
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The Wossner 95mm Bore Piston Kit (Part No. 8525DA) is a high-performance forged piston designed for Yamaha YZ426F and WR426F... Read more

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SKU: 56-W4693+00A.WO

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Description

The Wossner 95mm Bore Piston Kit (Part No. 8525DA) is a high-performance forged piston designed for Yamaha YZ426F and WR426F models from 2000 to 2002. Engineered for strength and durability, it optimizes heat transfer within the combustion chamber and features an elliptical design to ensure even load distribution, reducing localized pressure and preventing piston collapse. Manufactured in Germany, this piston maintains the OEM compression ratio for reliable engine performance.

Features

High-strength forged piston construction
Optimized heat transfer for improved combustion efficiency
Elliptical design for even thrust load distribution
Manufactured in Germany

Specifications

Bore Size: 95mm
Actual Bore Diameter: 94.96mm
Compression Ratio: OEM
OEM Compression Ratio: 12.50:1
Displacement: 426cc
Stroke: 60.10mm
Clearance: 0.04mm
Dome Volume: -7.00cm³
Compression Height: 24.10mm

Cross-Reference OEM Part Numbers

Lock P/N: CW19
Pin P/N: WP037
Ring Set P/N: 950XDS
OEM Part Number: 5NG-11631-10-00

Vehicle Fitments

Yamaha YZ426F (2000-2002)
Yamaha WR426F (2000-2002)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ F 426	2000-2002
YAMAHA	WR F 426	2001-2002
YAMAHA	YZF 426	2000-2002
YAMAHA	WRF 426	2001-2002
YAMAHA	YZF 426	2000-2003
YAMAHA	WRF 426	2000-2003

Shipping & Delivery

How long will my item take to arrive?

Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

Where do you ship to?

We currently only ship orders within the UK.

How can I track my order?

Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

Can I collect my order?

Unfortunately we do not offer order collections from our fulfilment centre.