Name: Piston Kit 06-13 YFZ450 94 A, Forged Wossners 8784DA
Brand: Wossner
SKU: 56-W250.A.WO

Piston Kit 06-13 YFZ450 94 A, Forged Wossners 8784DA

Wossner
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Description

Wossner forged piston kit with a 95.00mm bore and 94.95mm diameter, designed for Yamaha YFZ450 models. Manufactured in Germany, this piston offers superior strength and design, ensuring 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
Manufactured in Germany

Specifications

Bore: 95.00mm
Diameter: 94.95mm
Display (cm³): 449
Stroke (mm): 63.40
Clearance (mm): 0.05
Wossner Compression Ratio: 11.60:1
OEM Compression Ratio: 11.40:1
Dome Volume (cm³): -8.50
Compression Height (mm): 25.10

Cross-Reference OEM Part Numbers

Wossner Piston Yamaha YFZ450 (PN# 8784DA)
Lock P/N: CW20
Pin P/N: WP029
Ring Set P/N: 950XDS

Vehicle Fitments

Yamaha YFZ450 (2006-2012)
Yamaha YFZ450R (2009-Present)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YFZ 450	2006-2017

Piston Kit 06-13 YFZ450 94 A, Forged Wossners 8784DA

Wossner
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Wossner forged piston kit with a 95.00mm bore and 94.95mm diameter, designed for Yamaha YFZ450 models. Manufactured in Germany, this... Read more

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SKU: 56-W250.A.WO

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Description

Wossner forged piston kit with a 95.00mm bore and 94.95mm diameter, designed for Yamaha YFZ450 models. Manufactured in Germany, this piston offers superior strength and design, ensuring 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
Manufactured in Germany

Specifications

Bore: 95.00mm
Diameter: 94.95mm
Display (cm³): 449
Stroke (mm): 63.40
Clearance (mm): 0.05
Wossner Compression Ratio: 11.60:1
OEM Compression Ratio: 11.40:1
Dome Volume (cm³): -8.50
Compression Height (mm): 25.10

Cross-Reference OEM Part Numbers

Wossner Piston Yamaha YFZ450 (PN# 8784DA)
Lock P/N: CW20
Pin P/N: WP029
Ring Set P/N: 950XDS

Vehicle Fitments

Yamaha YFZ450 (2006-2012)
Yamaha YFZ450R (2009-Present)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YFZ 450	2006-2017

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.