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

Piston Kit 02-20 YZ85 47.50 A, Wossner 8104DA Yamaha MX

Wossner
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Description

This Wossner forged piston kit with a 47.50mm bore is a standard size replacement for Yamaha YZ85 models from 2002 to 2019. Engineered for durability and thermal efficiency in two-stroke engines, this German-made piston utilises advanced materials and design features to ensure consistent performance under high-stress conditions.

Features

Forged construction provides maximum strength and longevity
Designed to facilitate optimal combustion heat transfer to the cylinder walls
Elliptical profile ensures even load distribution and reduces piston collapse risk
Made in Germany

Specifications

Bore: 47.50mm
Actual Bore: 47.45mm
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

5PA-11631-10-A0
09104832
805M04750

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 A, Wossner 8104DA Yamaha MX

Wossner
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This Wossner forged piston kit with a 47.50mm bore is a standard size replacement for Yamaha YZ85 models from 2002... Read more

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SKU: 56-W805.A.WO

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Description

This Wossner forged piston kit with a 47.50mm bore is a standard size replacement for Yamaha YZ85 models from 2002 to 2019. Engineered for durability and thermal efficiency in two-stroke engines, this German-made piston utilises advanced materials and design features to ensure consistent performance under high-stress conditions.

Features

Forged construction provides maximum strength and longevity
Designed to facilitate optimal combustion heat transfer to the cylinder walls
Elliptical profile ensures even load distribution and reduces piston collapse risk
Made in Germany

Specifications

Bore: 47.50mm
Actual Bore: 47.45mm
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

5PA-11631-10-A0
09104832
805M04750

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.