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

Piston Kit 02-20 YZ85 47.50 C, Wossner 8104DC Yamaha MX

Wossner
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Description

This Wossner forged piston kit with a 47.52mm bore (+0.02mm oversize) is manufactured for Yamaha YZ85 models from 2002 to 2019. Designed for durability and performance in two-stroke applications, it features a precision elliptical profile and is forged in Germany to ensure optimal heat transfer, load balance, and resistance to deformation under thermal expansion.

Features

Forged construction ensures maximum strength and reliability
Optimised for efficient combustion heat transfer to cylinder walls
Elliptical design promotes uniform bearing surface and reduces piston collapse risk
Made in Germany

Specifications

Bore: 47.52mm
Actual Bore: 47.47mm
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

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 C, Wossner 8104DC Yamaha MX

Wossner
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This Wossner forged piston kit with a 47.52mm bore (+0.02mm oversize) is manufactured for Yamaha YZ85 models from 2002 to... Read more

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SKU: 56-W805.C.WO

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Description

This Wossner forged piston kit with a 47.52mm bore (+0.02mm oversize) is manufactured for Yamaha YZ85 models from 2002 to 2019. Designed for durability and performance in two-stroke applications, it features a precision elliptical profile and is forged in Germany to ensure optimal heat transfer, load balance, and resistance to deformation under thermal expansion.

Features

Forged construction ensures maximum strength and reliability
Optimised for efficient combustion heat transfer to cylinder walls
Elliptical design promotes uniform bearing surface and reduces piston collapse risk
Made in Germany

Specifications

Bore: 47.52mm
Actual Bore: 47.47mm
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

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.