Name: Piston Kit 98-01 YZ125 54.50, Wossner 8091D050 Yamaha MX
Brand: Wossner
SKU: 56-W726_050.WO

Piston Kit 98-01 YZ125 54.50, Wossner 8091D050 Yamaha MX

Wossner
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Description

This Wossner piston kit with a 54.50mm bore (+0.50mm oversize) is built for Yamaha YZ125 and WR125 models from 1998 to 2001. Forged in Germany, the piston is engineered for high durability and effective heat management, making it suitable for demanding two-stroke engine applications.

Features

Forged piston for superior strength and reliability
Optimised heat transfer from combustion chamber to cylinder wall
Elliptical design reduces localised pressure and evenly distributes thrust loads
Precision-manufactured in Germany

Specifications

Bore size: 54.50 mm
Actual piston size: 54.45 mm
Display (cm³): 125
Stroke (mm): 54.50
Clearance (mm): 0.05
Compression ratio: 2-stroke (Wossner and OEM)
Compression height (mm): 28.00

Vehicle Fitments

1998 Yamaha WR125
1998 Yamaha YZ125 Base
1999 Yamaha WR125
1999 Yamaha YZ125 Base
2000 Yamaha WR125
2000 Yamaha YZ125 Base
2001 Yamaha WR125
2001 Yamaha YZ125 Base

Included Components

Piston: Wossner PN# 8091D050
Lock: PN# CW15
Pin: PN# WP032
Ring Set: PN# RSB5450
Rod: PN# P2019

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 125	1996-1997
YAMAHA	YZ 125	2001
YAMAHA	YZ 125	1998-2001
YAMAHA	YZ 125	1998-2000
GAS-GAS	MX 125	2000-2001
GAS-GAS	EC 125	2000-2001
YAMAHA	YZ 125	1997-2001

Piston Kit 98-01 YZ125 54.50, Wossner 8091D050 Yamaha MX

Wossner
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This Wossner piston kit with a 54.50mm bore (+0.50mm oversize) is built for Yamaha YZ125 and WR125 models from 1998... Read more

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SKU: 56-W726_050.WO

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Description

This Wossner piston kit with a 54.50mm bore (+0.50mm oversize) is built for Yamaha YZ125 and WR125 models from 1998 to 2001. Forged in Germany, the piston is engineered for high durability and effective heat management, making it suitable for demanding two-stroke engine applications.

Features

Forged piston for superior strength and reliability
Optimised heat transfer from combustion chamber to cylinder wall
Elliptical design reduces localised pressure and evenly distributes thrust loads
Precision-manufactured in Germany

Specifications

Bore size: 54.50 mm
Actual piston size: 54.45 mm
Display (cm³): 125
Stroke (mm): 54.50
Clearance (mm): 0.05
Compression ratio: 2-stroke (Wossner and OEM)
Compression height (mm): 28.00

Vehicle Fitments

1998 Yamaha WR125
1998 Yamaha YZ125 Base
1999 Yamaha WR125
1999 Yamaha YZ125 Base
2000 Yamaha WR125
2000 Yamaha YZ125 Base
2001 Yamaha WR125
2001 Yamaha YZ125 Base

Included Components

Piston: Wossner PN# 8091D050
Lock: PN# CW15
Pin: PN# WP032
Ring Set: PN# RSB5450
Rod: PN# P2019

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 125	1996-1997
YAMAHA	YZ 125	2001
YAMAHA	YZ 125	1998-2001
YAMAHA	YZ 125	1998-2000
GAS-GAS	MX 125	2000-2001
GAS-GAS	EC 125	2000-2001
YAMAHA	YZ 125	1997-2001

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.