Name: Piston Kit 88-92 YZ80 48.00, Wossner 8187DA Yamaha MX, 39K-11611-00-00
Brand: Wossner
SKU: 56-W569+000.WO

Piston Kit 88-92 YZ80 48.00, Wossner 8187DA Yamaha MX, 39K-11611-00-00

Wossner
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Description

The Wossner 8187DA piston kit is designed for Yamaha YZ80 models from 1988 to 1992, featuring a standard bore size of 48.00 mm. Manufactured in Germany using forged construction, it ensures high durability and efficient thermal performance. The elliptical piston design allows for uniform load distribution during thermal expansion, reducing localised pressure points and minimising the risk of piston collapse. This kit includes all necessary components for reliable engine rebuilding.

Features

Forged piston construction for high strength and longevity
Designed for efficient heat transfer to cylinder walls
Elliptical profile minimises thermal expansion stress
Helps prevent piston deformation or failure under load
Manufactured in Germany with precision engineering

Specifications

Bore Size: 48.00 mm
Actual Bore Diameter: 47.95 mm
Stroke: 45.60 mm
Display Displacement: 82 cm³
Clearance: 0.05 mm
Compression Ratio (Wossner and OEM): 2-stroke
Compression Height: 27.00 mm

Cross-Reference OEM Part Numbers

39K-11611-00-00
569M04800

Cross-Reference Wossner Part Numbers

Piston Kit: 8187DA
Lock: CW12
Pin: WP091
Ring Set: RSB4800
Part No.: 56-W569+000.WO

Vehicle Fitments

Yamaha YZ80 (1988–1992)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 80	1988-1992

Piston Kit 88-92 YZ80 48.00, Wossner 8187DA Yamaha MX, 39K-11611-00-00

Wossner
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The Wossner 8187DA piston kit is designed for Yamaha YZ80 models from 1988 to 1992, featuring a standard bore size... Read more

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SKU: 56-W569+000.WO

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Description

The Wossner 8187DA piston kit is designed for Yamaha YZ80 models from 1988 to 1992, featuring a standard bore size of 48.00 mm. Manufactured in Germany using forged construction, it ensures high durability and efficient thermal performance. The elliptical piston design allows for uniform load distribution during thermal expansion, reducing localised pressure points and minimising the risk of piston collapse. This kit includes all necessary components for reliable engine rebuilding.

Features

Forged piston construction for high strength and longevity
Designed for efficient heat transfer to cylinder walls
Elliptical profile minimises thermal expansion stress
Helps prevent piston deformation or failure under load
Manufactured in Germany with precision engineering

Specifications

Bore Size: 48.00 mm
Actual Bore Diameter: 47.95 mm
Stroke: 45.60 mm
Display Displacement: 82 cm³
Clearance: 0.05 mm
Compression Ratio (Wossner and OEM): 2-stroke
Compression Height: 27.00 mm

Cross-Reference OEM Part Numbers

39K-11611-00-00
569M04800

Cross-Reference Wossner Part Numbers

Piston Kit: 8187DA
Lock: CW12
Pin: WP091
Ring Set: RSB4800
Part No.: 56-W569+000.WO

Vehicle Fitments

Yamaha YZ80 (1988–1992)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 80	1988-1992

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.