Name: Piston Kit 1989 YZ125 56.00, Wossner 8131DB Yamaha MX
Brand: Wossner
SKU: 56-W582+00B.WO

Piston Kit 1989 YZ125 56.00, Wossner 8131DB Yamaha MX

Wossner
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Description

Wossner Forged Piston Kit 56.01mm Bore – Yamaha YZ125 1989 (8131DB STD)
This Wossner forged piston kit is designed for the 1989 Yamaha YZ125 and features a 56.01mm bore size (actual 55.95mm). Engineered for 2-stroke performance, it offers superior structural integrity and efficient heat transfer. The piston’s elliptical design promotes uniform thrust load distribution during heat expansion, preventing localised stress and reducing the risk of piston collapse. Made in Germany with high precision for durability and performance.

Features

Forged construction for maximum strength and wear resistance
Designed for optimal combustion chamber heat dissipation
Elliptical profile enhances surface uniformity under thermal expansion
Engineered specifically for 2-stroke engines
Made in Germany

Specifications

Bore Size: 56.01mm (Standard)
Actual Bore: 55.95mm
Compression Height: 28.00mm
Clearance: 0.06mm
Stroke: 50.00mm
Displacement: 123 cm³
Wossner Compression Ratio: 2-stroke
OEM Compression Ratio: 2-stroke

Cross-Reference OEM Part Numbers

Wossner Piston: 8131DB
Ring Set: RSB5600
Lock: CW16
Pin: WP036
Rod: P2047
Internal Reference: 56-W582+00B.WO

Vehicle Fitments

1989 Yamaha YZ125

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 125	1989

Piston Kit 1989 YZ125 56.00, Wossner 8131DB Yamaha MX

Wossner
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Wossner Forged Piston Kit 56.01mm Bore – Yamaha YZ125 1989 (8131DB STD) This Wossner forged piston kit is designed for... Read more

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SKU: 56-W582+00B.WO

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Description

Wossner Forged Piston Kit 56.01mm Bore – Yamaha YZ125 1989 (8131DB STD)
This Wossner forged piston kit is designed for the 1989 Yamaha YZ125 and features a 56.01mm bore size (actual 55.95mm). Engineered for 2-stroke performance, it offers superior structural integrity and efficient heat transfer. The piston’s elliptical design promotes uniform thrust load distribution during heat expansion, preventing localised stress and reducing the risk of piston collapse. Made in Germany with high precision for durability and performance.

Features

Forged construction for maximum strength and wear resistance
Designed for optimal combustion chamber heat dissipation
Elliptical profile enhances surface uniformity under thermal expansion
Engineered specifically for 2-stroke engines
Made in Germany

Specifications

Bore Size: 56.01mm (Standard)
Actual Bore: 55.95mm
Compression Height: 28.00mm
Clearance: 0.06mm
Stroke: 50.00mm
Displacement: 123 cm³
Wossner Compression Ratio: 2-stroke
OEM Compression Ratio: 2-stroke

Cross-Reference OEM Part Numbers

Wossner Piston: 8131DB
Ring Set: RSB5600
Lock: CW16
Pin: WP036
Rod: P2047
Internal Reference: 56-W582+00B.WO

Vehicle Fitments

1989 Yamaha YZ125

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 125	1989

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.