Name: Piston Kit 85-86 RM125 55.00, Wossner 8123D100 Suzuki MX
Brand: Wossner
SKU: 56-W519+100.WO

Piston Kit 85-86 RM125 55.00, Wossner 8123D100 Suzuki MX

Wossner
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Description

This Wossner forged piston kit features a 55.00mm bore with a +1.00 oversize specification and is designed for Suzuki RM125 models from 1985 to 1986. Produced in Germany, the piston incorporates an elliptical design that promotes even distribution of thrust loads during thermal expansion. This reduces the risk of localised pressure and piston collapse while supporting efficient heat transfer from the combustion chamber to the cylinder wall.

Features

Forged piston construction for increased durability
Elliptical design ensures uniform bearing surface during heat expansion
Efficient heat transfer from combustion chamber to cylinder walls
Made in Germany
Includes piston, pin, locks, and ring set

Specifications

Bore Size: 55.00mm
Actual Bore: 54.94mm
Stroke: 54.00mm
Clearance: 0.06mm
Compression Ratio (Wossner and OEM): 2-stroke
Compression Height: 29.50mm
Displacement: 123 cm³

Cross-Reference OEM Part Numbers

Piston Kit Part No: 56-W519+100.WO
Wossner Piston PN: 8123D100
Lock P/N: CW14
Pin P/N: WP025
Ring Set P/N: RSB5500 (x2)

Vehicle Fitments

Suzuki RM125 (1985–1986)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
SUZUKI	RM 125	1985-1986

Piston Kit 85-86 RM125 55.00, Wossner 8123D100 Suzuki MX

Wossner
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This Wossner forged piston kit features a 55.00mm bore with a +1.00 oversize specification and is designed for Suzuki RM125... Read more

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SKU: 56-W519+100.WO

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Description

This Wossner forged piston kit features a 55.00mm bore with a +1.00 oversize specification and is designed for Suzuki RM125 models from 1985 to 1986. Produced in Germany, the piston incorporates an elliptical design that promotes even distribution of thrust loads during thermal expansion. This reduces the risk of localised pressure and piston collapse while supporting efficient heat transfer from the combustion chamber to the cylinder wall.

Features

Forged piston construction for increased durability
Elliptical design ensures uniform bearing surface during heat expansion
Efficient heat transfer from combustion chamber to cylinder walls
Made in Germany
Includes piston, pin, locks, and ring set

Specifications

Bore Size: 55.00mm
Actual Bore: 54.94mm
Stroke: 54.00mm
Clearance: 0.06mm
Compression Ratio (Wossner and OEM): 2-stroke
Compression Height: 29.50mm
Displacement: 123 cm³

Cross-Reference OEM Part Numbers

Piston Kit Part No: 56-W519+100.WO
Wossner Piston PN: 8123D100
Lock P/N: CW14
Pin P/N: WP025
Ring Set P/N: RSB5500 (x2)

Vehicle Fitments

Suzuki RM125 (1985–1986)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
SUZUKI	RM 125	1985-1986

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.