Name: Piston Kit 1997 YZ125 54.00, Wossner 8117DA Yamaha MX 4XM-11631-30-A0
Brand: Wossner
SKU: 56-W693.A.WO
Price: 127.34 GBP

Piston Kit 1997 YZ125 54.00, Wossner 8117DA Yamaha MX 4XM-11631-30-A0

Wossner
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Description

This Wossner forged piston kit is designed for the 1997 Yamaha YZ125 and features a 54.00mm standard bore. Manufactured in Germany, it is built to deliver structural integrity and efficient thermal performance in high-revving two-stroke engines. The elliptical piston design ensures uniform surface contact under heat expansion, preventing localised stress and reducing the risk of piston collapse. The kit is optimised for effective combustion heat transfer to the cylinder wall, supporting engine reliability.

Features

Forged piston construction for high mechanical strength
Elliptical profile ensures consistent expansion and even load distribution
Reduces risk of structural failure under thermal stress
Promotes efficient heat transfer from the combustion chamber
German-engineered for precision and durability

Specifications

Bore Size: 54.00mm (Standard)
Actual Diameter: 53.94mm
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: 8117DA
Lock: CW15
Pin: WP032
Ring Set: RSB5400
Rod: P2019
OEM Reference: 4XM-11631-30-A0
Cross Reference: 693M05400

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 8117DA Yamaha MX 4XM-11631-30-A0

Wossner
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This Wossner forged piston kit is designed for the 1997 Yamaha YZ125 and features a 54.00mm standard bore. Manufactured in... Read more

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£127.34 Incl. VAT

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SKU: 56-W693.A.WO

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Description

This Wossner forged piston kit is designed for the 1997 Yamaha YZ125 and features a 54.00mm standard bore. Manufactured in Germany, it is built to deliver structural integrity and efficient thermal performance in high-revving two-stroke engines. The elliptical piston design ensures uniform surface contact under heat expansion, preventing localised stress and reducing the risk of piston collapse. The kit is optimised for effective combustion heat transfer to the cylinder wall, supporting engine reliability.

Features

Forged piston construction for high mechanical strength
Elliptical profile ensures consistent expansion and even load distribution
Reduces risk of structural failure under thermal stress
Promotes efficient heat transfer from the combustion chamber
German-engineered for precision and durability

Specifications

Bore Size: 54.00mm (Standard)
Actual Diameter: 53.94mm
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: 8117DA
Lock: CW15
Pin: WP032
Ring Set: RSB5400
Rod: P2019
OEM Reference: 4XM-11631-30-A0
Cross Reference: 693M05400

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.