Name: Piston Kit 83-87 YZ250 69.50, Wossner 8133D150 Yamaha MX
Brand: Wossner
SKU: 56-W560+150.WO
Price: 175.49 GBP
Availability: InStock

Piston Kit 83-87 YZ250 69.50, Wossner 8133D150 Yamaha MX

Wossner
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Description

Wossner forged piston kit designed for Yamaha YZ250 models from 1983 to 1987. This kit features a 69.50 mm bore, offering increased displacement for performance tuning. It is engineered to deliver enhanced strength, efficient heat transfer, and uniform load distribution. Its elliptical profile accommodates thermal expansion, reducing stress and extending piston lifespan. Manufactured in Germany with high-precision standards.

Features

Forged piston for increased durability and performance
Designed for optimal combustion heat transfer
Elliptical shape minimises localised pressure and distributes thrust loads
Engineered for 2-stroke engine use
Manufactured in Germany

Specifications

Bore: 69.50 mm
Actual Bore Diameter: 69.44 mm
Compression Height: 36.00 mm
Display Volume: 246 cm³
Stroke: 68.00 mm
Clearance: 0.06 mm
Compression Ratio: 2-stroke (Wossner and OEM)

Cross-Reference OEM Part Numbers

Piston Kit Part No.: 8133D150
Lock P/N: CW18
Pin P/N: WP033
Ring Set P/N: RSB6950 (x2)
Rod P/N: P2048 (for 1983–1989 models)
Alternate Part No.: 56-W560+150.WO

Vehicle Fitments

Yamaha YZ250 (1983–1987)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 250	1983-1987

Piston Kit 83-87 YZ250 69.50, Wossner 8133D150 Yamaha MX

Wossner
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Wossner forged piston kit designed for Yamaha YZ250 models from 1983 to 1987. This kit features a 69.50 mm bore,... Read more

4 in stock 1-2 business days

£175.49 Incl. VAT

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SKU: 56-W560+150.WO

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Description

Wossner forged piston kit designed for Yamaha YZ250 models from 1983 to 1987. This kit features a 69.50 mm bore, offering increased displacement for performance tuning. It is engineered to deliver enhanced strength, efficient heat transfer, and uniform load distribution. Its elliptical profile accommodates thermal expansion, reducing stress and extending piston lifespan. Manufactured in Germany with high-precision standards.

Features

Forged piston for increased durability and performance
Designed for optimal combustion heat transfer
Elliptical shape minimises localised pressure and distributes thrust loads
Engineered for 2-stroke engine use
Manufactured in Germany

Specifications

Bore: 69.50 mm
Actual Bore Diameter: 69.44 mm
Compression Height: 36.00 mm
Display Volume: 246 cm³
Stroke: 68.00 mm
Clearance: 0.06 mm
Compression Ratio: 2-stroke (Wossner and OEM)

Cross-Reference OEM Part Numbers

Piston Kit Part No.: 8133D150
Lock P/N: CW18
Pin P/N: WP033
Ring Set P/N: RSB6950 (x2)
Rod P/N: P2048 (for 1983–1989 models)
Alternate Part No.: 56-W560+150.WO

Vehicle Fitments

Yamaha YZ250 (1983–1987)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 250	1983-1987

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.