Name: Piston Kit 02-20 YZ85 47.50 B, Wossner 8104DB Yamaha MX
Brand: Wossner
SKU: 56-W805.B.WO

Piston Kit 02-20 YZ85 47.50 B, Wossner 8104DB Yamaha MX

Wossner
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Description

This Wossner forged piston kit with a 47.51mm bore (+0.01mm oversize) is designed for Yamaha YZ85 models from 2002 to 2019. Crafted for high-performance two-stroke engines, the piston offers excellent strength, heat management, and reliability. Manufactured in Germany, it features an elliptical design that enhances structural integrity under thermal expansion and mechanical load.

Features

Forged construction for superior strength and longevity
Optimised design for efficient combustion heat transfer to cylinder walls
Elliptical profile ensures even bearing surface and minimises risk of piston collapse
Made in Germany

Specifications

Bore: 47.51mm
Actual Bore: 47.46mm
Engine Displacement: 85 cm³
Stroke: 47.80mm
Clearance: 0.05mm
Compression Ratio: 2-stroke (Wossner and OEM)
Compression Height: 26.00mm
Lock Part Number: CW14
Pin Part Number: WP058
Ring Set Part Number: RSB4750
Con Rod Kit Part Number: P2008

Cross-Reference OEM Part Numbers

Not specified

Vehicle Fitments

Yamaha YZ85 2002 - 2019

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 85	2002-2021
YAMAHA	YZ 85	2002-2020
YAMAHA	YZ 80	1993-2001
YAMAHA	YZ 85	2002-2019
YAMAHA	YZ 85	2002-2018

Piston Kit 02-20 YZ85 47.50 B, Wossner 8104DB Yamaha MX

Wossner
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This Wossner forged piston kit with a 47.51mm bore (+0.01mm oversize) is designed for Yamaha YZ85 models from 2002 to... Read more

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SKU: 56-W805.B.WO

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Description

This Wossner forged piston kit with a 47.51mm bore (+0.01mm oversize) is designed for Yamaha YZ85 models from 2002 to 2019. Crafted for high-performance two-stroke engines, the piston offers excellent strength, heat management, and reliability. Manufactured in Germany, it features an elliptical design that enhances structural integrity under thermal expansion and mechanical load.

Features

Forged construction for superior strength and longevity
Optimised design for efficient combustion heat transfer to cylinder walls
Elliptical profile ensures even bearing surface and minimises risk of piston collapse
Made in Germany

Specifications

Bore: 47.51mm
Actual Bore: 47.46mm
Engine Displacement: 85 cm³
Stroke: 47.80mm
Clearance: 0.05mm
Compression Ratio: 2-stroke (Wossner and OEM)
Compression Height: 26.00mm
Lock Part Number: CW14
Pin Part Number: WP058
Ring Set Part Number: RSB4750
Con Rod Kit Part Number: P2008

Cross-Reference OEM Part Numbers

Not specified

Vehicle Fitments

Yamaha YZ85 2002 - 2019

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 85	2002-2021
YAMAHA	YZ 85	2002-2020
YAMAHA	YZ 80	1993-2001
YAMAHA	YZ 85	2002-2019
YAMAHA	YZ 85	2002-2018

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.