Name: Piston Kit YZ 250F 2019 76.96 A, Wossner 8957DA, B7B-11631-00-00
Brand: Wossner
SKU: 56-W8812.A.WO
Price: 127.31 GBP
Availability: InStock

Piston Kit YZ 250F 2019 76.96 A, Wossner 8957DA, B7B-11631-00-00

Wossner
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Description

The Wossner Forged Piston Kit (8957DA) with a standard 77mm bore is designed for the Yamaha YZ250F (2019). Engineered in Germany, this high-performance forged piston delivers strength, efficient heat transfer, and consistent load distribution. Its elliptical design minimises localised stress and helps prevent piston collapse under high-performance conditions.

Features

Forged construction for enhanced strength and durability
Designed for optimal combustion heat transfer to cylinder walls
Elliptical skirt profile ensures even thrust load distribution
Manufactured in Germany

Specifications

Piston Size: 77mm (STD)
Kit Part Number: 56-W8812.A.WO
Wossner Part Number: 8957DA
Piston Type: Forged

Cross-Reference OEM Part Numbers

B7B-11631-00-00

Vehicle Fitments

Yamaha YZ250F (2019)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ FX 250	2020
YAMAHA	YZ FX 250	2020-2021
YAMAHA	YZ F 250	2019-2020
YAMAHA	WR F 250	2020
YAMAHA	WR F 250	2020-2021
YAMAHA	YZ F 250	2019-2021
YAMAHA	YZF 250	2019
YAMAHA	YZF 250	2018-2019

Piston Kit YZ 250F 2019 76.96 A, Wossner 8957DA, B7B-11631-00-00

Wossner
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Product form

The Wossner Forged Piston Kit (8957DA) with a standard 77mm bore is designed for the Yamaha YZ250F (2019). Engineered in... Read more

1 in stock 1-2 business days

£127.31 Incl. VAT

Guaranteed secure & safe checkout.

SKU: 56-W8812.A.WO

Free shipping on all orders above £75

No hassle returns within 30 days

Description

The Wossner Forged Piston Kit (8957DA) with a standard 77mm bore is designed for the Yamaha YZ250F (2019). Engineered in Germany, this high-performance forged piston delivers strength, efficient heat transfer, and consistent load distribution. Its elliptical design minimises localised stress and helps prevent piston collapse under high-performance conditions.

Features

Forged construction for enhanced strength and durability
Designed for optimal combustion heat transfer to cylinder walls
Elliptical skirt profile ensures even thrust load distribution
Manufactured in Germany

Specifications

Piston Size: 77mm (STD)
Kit Part Number: 56-W8812.A.WO
Wossner Part Number: 8957DA
Piston Type: Forged

Cross-Reference OEM Part Numbers

B7B-11631-00-00

Vehicle Fitments

Yamaha YZ250F (2019)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ FX 250	2020
YAMAHA	YZ FX 250	2020-2021
YAMAHA	YZ F 250	2019-2020
YAMAHA	WR F 250	2020
YAMAHA	WR F 250	2020-2021
YAMAHA	YZ F 250	2019-2021
YAMAHA	YZF 250	2019
YAMAHA	YZF 250	2018-2019

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.