Name: Piston Kit 1983 &85 YZ125 57.5, Wossner 8119D150 Yamaha
Brand: Wossner
SKU: 56-W503+150.WO

Piston Kit 1983 &85 YZ125 57.5, Wossner 8119D150 Yamaha

Wossner
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Description

This Wossner forged piston kit features a 57.50mm bore (57.44mm) and is designed for Yamaha YZ125 models from 1983 and 1985. Manufactured in Germany, the piston provides enhanced strength and is engineered for effective heat transfer, even pressure distribution, and prevention of piston collapse under performance conditions.

Features

Forged piston construction for increased strength
Designed to optimize heat transfer from combustion chamber to cylinder walls
Elliptical profile ensures uniform bearing surface under thermal expansion
Manufactured in Germany

Specifications

Bore size: 57.50mm (57.44mm)
Display volume: 83 cm³
Stroke: 84.00 mm
Clearance: 0.06 mm
Compression height: 30.80 mm
Theoretical weight: Not specified
Compression ratio: 2-stroke (Wossner and OEM)

Cross-Reference OEM Part Numbers

Piston: 8119D150
Lock: CW16
Pin: WP036
Ring Set: RSB5750

Vehicle Fitments

Yamaha YZ125 1983
Yamaha YZ125 1985

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 125	1985
YAMAHA	YZ 125	1983

Piston Kit 1983 &85 YZ125 57.5, Wossner 8119D150 Yamaha

Wossner
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This Wossner forged piston kit features a 57.50mm bore (57.44mm) and is designed for Yamaha YZ125 models from 1983 and... Read more

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SKU: 56-W503+150.WO

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Description

This Wossner forged piston kit features a 57.50mm bore (57.44mm) and is designed for Yamaha YZ125 models from 1983 and 1985. Manufactured in Germany, the piston provides enhanced strength and is engineered for effective heat transfer, even pressure distribution, and prevention of piston collapse under performance conditions.

Features

Forged piston construction for increased strength
Designed to optimize heat transfer from combustion chamber to cylinder walls
Elliptical profile ensures uniform bearing surface under thermal expansion
Manufactured in Germany

Specifications

Bore size: 57.50mm (57.44mm)
Display volume: 83 cm³
Stroke: 84.00 mm
Clearance: 0.06 mm
Compression height: 30.80 mm
Theoretical weight: Not specified
Compression ratio: 2-stroke (Wossner and OEM)

Cross-Reference OEM Part Numbers

Piston: 8119D150
Lock: CW16
Pin: WP036
Ring Set: RSB5750

Vehicle Fitments

Yamaha YZ125 1983
Yamaha YZ125 1985

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 125	1985
YAMAHA	YZ 125	1983

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.