Name: Piston Kit 1997 YZ125 54.00, Wossner 8117DC Yamaha MX
Brand: Wossner
SKU: 56-W693.C.WO

Piston Kit 1997 YZ125 54.00, Wossner 8117DC Yamaha MX

Wossner
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Description

This Wossner forged piston kit is engineered for the 1997 Yamaha YZ125 and features a 54.02mm bore (+0.02mm oversize). Made in Germany, the piston is designed with an elliptical profile that accommodates thermal expansion by providing an even bearing surface. This reduces localised stress, distributes thrust loads uniformly, and prevents piston collapse. It also enables effective heat transfer from the combustion chamber to the cylinder wall, supporting engine reliability in demanding conditions.

Features

Forged piston for maximum strength and durability
Elliptical design ensures uniform pressure distribution under heat
Reduces risk of structural failure due to piston collapse
Supports consistent combustion heat transfer
German-engineered for precision and performance

Specifications

Bore Size: 54.02mm (+0.02mm oversize)
Actual Diameter: 53.96mm
Compression Height: 28.00mm
Stroke: 54.50mm
Displacement: 124 cm³
Piston Clearance: 0.06mm
Compression Ratio: 2-stroke (Wossner and OEM)

Cross-Reference OEM Part Numbers

Wossner Piston Kit Part No: 8117DC
Lock: CW15
Pin: WP032
Ring Set: RSB5400
Rod: P2019

Vehicle Fitments

1997 Yamaha YZ125

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 125	1997

Piston Kit 1997 YZ125 54.00, Wossner 8117DC Yamaha MX

Wossner
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This Wossner forged piston kit is engineered for the 1997 Yamaha YZ125 and features a 54.02mm bore (+0.02mm oversize). Made... Read more

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SKU: 56-W693.C.WO

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Description

This Wossner forged piston kit is engineered for the 1997 Yamaha YZ125 and features a 54.02mm bore (+0.02mm oversize). Made in Germany, the piston is designed with an elliptical profile that accommodates thermal expansion by providing an even bearing surface. This reduces localised stress, distributes thrust loads uniformly, and prevents piston collapse. It also enables effective heat transfer from the combustion chamber to the cylinder wall, supporting engine reliability in demanding conditions.

Features

Forged piston for maximum strength and durability
Elliptical design ensures uniform pressure distribution under heat
Reduces risk of structural failure due to piston collapse
Supports consistent combustion heat transfer
German-engineered for precision and performance

Specifications

Bore Size: 54.02mm (+0.02mm oversize)
Actual Diameter: 53.96mm
Compression Height: 28.00mm
Stroke: 54.50mm
Displacement: 124 cm³
Piston Clearance: 0.06mm
Compression Ratio: 2-stroke (Wossner and OEM)

Cross-Reference OEM Part Numbers

Wossner Piston Kit Part No: 8117DC
Lock: CW15
Pin: WP032
Ring Set: RSB5400
Rod: P2019

Vehicle Fitments

1997 Yamaha YZ125

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 125	1997

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.