Name: Piston Kit 1983&85 YZ125 56.75, Wossner 8119D075 Yamaha
Brand: Wossner
SKU: 56-W503+075.WO

Piston Kit 1983&85 YZ125 56.75, Wossner 8119D075 Yamaha

Wossner
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Description

This Wossner piston kit with a 56.75mm bore (+0.75 oversize) and 56.69mm measured bore is designed for Yamaha YZ125 models from 1983 and 1985. The forged construction ensures high strength and improved thermal transfer. The piston’s elliptical shape distributes thrust loads evenly, reducing the risk of piston collapse. Manufactured in Germany.

Features

Forged construction for enhanced strength
Effective heat transfer from combustion chamber to cylinder walls
Elliptical design ensures uniform pressure distribution
Made in Germany

Specifications

Bore Size: 56.75mm
Bore (Actual Measured): 56.69mm
Display Volume: 83 cm³
Stroke: 84.00mm
Clearance: 0.06mm
Compression Ratio (Wossner): 2-stroke
Compression Ratio (OEM): 2-stroke
Compression Height: 30.80mm
Dome Volume: Not specified
Theoretical Weight: Not specified
Lock Part Number: CW16
Pin Part Number: WP036
Ring Set Part Number: RSB5600

Cross-Reference OEM Part Numbers

39W-11-630-00-00
55Y-11631-00-94

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 56.75, Wossner 8119D075 Yamaha

Wossner
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This Wossner piston kit with a 56.75mm bore (+0.75 oversize) and 56.69mm measured bore is designed for Yamaha YZ125 models... Read more

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SKU: 56-W503+075.WO

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Description

This Wossner piston kit with a 56.75mm bore (+0.75 oversize) and 56.69mm measured bore is designed for Yamaha YZ125 models from 1983 and 1985. The forged construction ensures high strength and improved thermal transfer. The piston’s elliptical shape distributes thrust loads evenly, reducing the risk of piston collapse. Manufactured in Germany.

Features

Forged construction for enhanced strength
Effective heat transfer from combustion chamber to cylinder walls
Elliptical design ensures uniform pressure distribution
Made in Germany

Specifications

Bore Size: 56.75mm
Bore (Actual Measured): 56.69mm
Display Volume: 83 cm³
Stroke: 84.00mm
Clearance: 0.06mm
Compression Ratio (Wossner): 2-stroke
Compression Ratio (OEM): 2-stroke
Compression Height: 30.80mm
Dome Volume: Not specified
Theoretical Weight: Not specified
Lock Part Number: CW16
Pin Part Number: WP036
Ring Set Part Number: RSB5600

Cross-Reference OEM Part Numbers

39W-11-630-00-00
55Y-11631-00-94

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.