Name: Piston Kit 02-04 YZ125 56.00, Wossner 8072D200 Yamaha MX
Brand: Wossner
SKU: 56-W797_200.WO

Piston Kit 02-04 YZ125 56.00, Wossner 8072D200 Yamaha MX

Wossner
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Description

This Wossner piston kit features a 56.00mm bore and 55.94mm actual piston diameter, tailored for Yamaha YZ125 models from 2002 to 2004. With a +2.00mm oversize, this forged piston delivers robust performance, enhanced heat dissipation, and structural reliability in high-demand 2-stroke engine applications.

Features

Forged piston construction ensures superior strength and longevity
Facilitates optimal heat transfer from combustion chamber to cylinder walls
Elliptical profile provides consistent bearing surface during thermal expansion
Even distribution of thrust loads prevents localised pressure and piston collapse
Manufactured in Germany

Specifications

Bore: 56.00mm
Piston Diameter: 55.94mm
Display (cm³): 125
Stroke (mm): 54.50
Clearance (mm): 0.06
Compression Height (mm): 28.00
Wossner Compression Ratio: 2-stroke
OEM Compression Ratio: 2-stroke

Cross-Reference OEM Part Numbers

5NY-11631-01-D0
5NY-11631-01-C0
5NY-11631-01-B0
5NY-11631-01-A0
Ring: 5NY-11611-00-00
Pin: 5UN-11633-00-00
Circlip: 93450-16068-00

Vehicle Fitments

Yamaha YZ125 2002–2004

Included Components

Lock: CW15
Pin: WP032
Ring Set: RSB5600
Rod: P2017
Part Number: 56-W797.200.WO (Piston PN# 8072D200)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 125	2002-2004
YAMAHA	YZ 125	2001-2004
YAMAHA	YZ 125	1997-2000

Piston Kit 02-04 YZ125 56.00, Wossner 8072D200 Yamaha MX

Wossner
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This Wossner piston kit features a 56.00mm bore and 55.94mm actual piston diameter, tailored for Yamaha YZ125 models from 2002... Read more

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SKU: 56-W797_200.WO

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Description

This Wossner piston kit features a 56.00mm bore and 55.94mm actual piston diameter, tailored for Yamaha YZ125 models from 2002 to 2004. With a +2.00mm oversize, this forged piston delivers robust performance, enhanced heat dissipation, and structural reliability in high-demand 2-stroke engine applications.

Features

Forged piston construction ensures superior strength and longevity
Facilitates optimal heat transfer from combustion chamber to cylinder walls
Elliptical profile provides consistent bearing surface during thermal expansion
Even distribution of thrust loads prevents localised pressure and piston collapse
Manufactured in Germany

Specifications

Bore: 56.00mm
Piston Diameter: 55.94mm
Display (cm³): 125
Stroke (mm): 54.50
Clearance (mm): 0.06
Compression Height (mm): 28.00
Wossner Compression Ratio: 2-stroke
OEM Compression Ratio: 2-stroke

Cross-Reference OEM Part Numbers

5NY-11631-01-D0
5NY-11631-01-C0
5NY-11631-01-B0
5NY-11631-01-A0
Ring: 5NY-11611-00-00
Pin: 5UN-11633-00-00
Circlip: 93450-16068-00

Vehicle Fitments

Yamaha YZ125 2002–2004

Included Components

Lock: CW15
Pin: WP032
Ring Set: RSB5600
Rod: P2017
Part Number: 56-W797.200.WO (Piston PN# 8072D200)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 125	2002-2004
YAMAHA	YZ 125	2001-2004
YAMAHA	YZ 125	1997-2000

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.