Name: Piston Kit 85-87 YZ80 48.00, Wossner 8186DA Yamaha MX 58T-11631-01-94
Brand: Wossner
SKU: 56-W520+000.WO

Piston Kit 85-87 YZ80 48.00, Wossner 8186DA Yamaha MX 58T-11631-01-94

Wossner
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Description

This Wossner piston kit features a 48.00 mm bore with a 47.95 mm actual piston diameter and is intended for Yamaha YZ80 models from 1985 to 1987. Forged in Germany, this piston is designed for durability and thermal efficiency, facilitating effective heat transfer from the combustion chamber to the cylinder walls. Its elliptical shape ensures uniform load distribution under thermal expansion, minimising localised stress and reducing the risk of piston failure.

Features

Forged piston for enhanced strength and longevity
Designed to improve heat transfer from combustion chamber
Elliptical design aids in even thrust load distribution
Manufactured in Germany

Specifications

Bore size: 48.00 mm
Actual piston diameter: 47.95 mm
Display (cm³): 82
Stroke: 45.60 mm
Clearance: 0.05 mm
Compression height: 26.80 mm
Wossner compression ratio: 2-stroke
OEM compression ratio: 2-stroke

Cross-Reference OEM Part Numbers

58T-11631-01-94
520M04800
Wossner Piston Part Number: 8186DA
Lock Part Number: CW12
Pin Part Number: WP091
Ring Set Part Number: RSB4800
Alternate Part Number: 56-W520+000.WO

Vehicle Fitments

Yamaha YZ80 1985
Yamaha YZ80 1986
Yamaha YZ80 1987

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 80	1985-1987

Piston Kit 85-87 YZ80 48.00, Wossner 8186DA Yamaha MX 58T-11631-01-94

Wossner
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This Wossner piston kit features a 48.00 mm bore with a 47.95 mm actual piston diameter and is intended for... Read more

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SKU: 56-W520+000.WO

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Description

This Wossner piston kit features a 48.00 mm bore with a 47.95 mm actual piston diameter and is intended for Yamaha YZ80 models from 1985 to 1987. Forged in Germany, this piston is designed for durability and thermal efficiency, facilitating effective heat transfer from the combustion chamber to the cylinder walls. Its elliptical shape ensures uniform load distribution under thermal expansion, minimising localised stress and reducing the risk of piston failure.

Features

Forged piston for enhanced strength and longevity
Designed to improve heat transfer from combustion chamber
Elliptical design aids in even thrust load distribution
Manufactured in Germany

Specifications

Bore size: 48.00 mm
Actual piston diameter: 47.95 mm
Display (cm³): 82
Stroke: 45.60 mm
Clearance: 0.05 mm
Compression height: 26.80 mm
Wossner compression ratio: 2-stroke
OEM compression ratio: 2-stroke

Cross-Reference OEM Part Numbers

58T-11631-01-94
520M04800
Wossner Piston Part Number: 8186DA
Lock Part Number: CW12
Pin Part Number: WP091
Ring Set Part Number: RSB4800
Alternate Part Number: 56-W520+000.WO

Vehicle Fitments

Yamaha YZ80 1985
Yamaha YZ80 1986
Yamaha YZ80 1987

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 80	1985-1987

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.