Name: Piston Kit 81-19 PW50 40.00, 8267DA Wossner Yamaha 18M-11631-00-A0
Brand: Wossner
SKU: 56-W938+000_WO

Piston Kit 81-19 PW50 40.00, 8267DA Wossner Yamaha 18M-11631-00-A0

Wossner
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Description

This Wossner forged piston kit is a standard-size replacement specifically designed for Yamaha PW50 models from 1981 to 2019. Crafted in Germany, it offers enhanced durability and precise engineering for small two-stroke engines, ensuring optimal fit and performance.

Features

Forged construction for high strength and longevity
Elliptical design provides uniform bearing surface during heat expansion
Facilitates efficient heat transfer to the cylinder walls
Prevents localised pressure buildup and piston collapse
Manufactured in Germany

Specifications

Bore Size: 40.00mm
Actual Piston Size: 39.95mm
Stroke: 39.20mm
Piston Clearance: 0.05mm
Wossner Compression Ratio: 2-stroke
OEM Compression Ratio: 2-stroke
Compression Height: 24.90mm
Circlip Part Number: CW10
Pin Part Number: WP105
Ring Set Part Number: RSB4000

Cross-Reference OEM Part Numbers

Part No: 56-W938+000_WO
Cross Reference: 18M-11631-00-A0, 653M04000

Vehicle Fitments

Yamaha PW50 (1981–2019)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	PW 50	1981-2016
YAMAHA	PW 50	1981-2020
YAMAHA	PW 50	1981-2021
YAMAHA	PW 50	1985-2017
YAMAHA	PW 50	1981-2019
YAMAHA	QT 50	1979-1992
YAMAHA	SG 50	1981-1983
YAMAHA	MJ 50	1982
YAMAHA	LC 50	1980-1981

Piston Kit 81-19 PW50 40.00, 8267DA Wossner Yamaha 18M-11631-00-A0

Wossner
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This Wossner forged piston kit is a standard-size replacement specifically designed for Yamaha PW50 models from 1981 to 2019. Crafted... Read more

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SKU: 56-W938+000_WO

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Description

This Wossner forged piston kit is a standard-size replacement specifically designed for Yamaha PW50 models from 1981 to 2019. Crafted in Germany, it offers enhanced durability and precise engineering for small two-stroke engines, ensuring optimal fit and performance.

Features

Forged construction for high strength and longevity
Elliptical design provides uniform bearing surface during heat expansion
Facilitates efficient heat transfer to the cylinder walls
Prevents localised pressure buildup and piston collapse
Manufactured in Germany

Specifications

Bore Size: 40.00mm
Actual Piston Size: 39.95mm
Stroke: 39.20mm
Piston Clearance: 0.05mm
Wossner Compression Ratio: 2-stroke
OEM Compression Ratio: 2-stroke
Compression Height: 24.90mm
Circlip Part Number: CW10
Pin Part Number: WP105
Ring Set Part Number: RSB4000

Cross-Reference OEM Part Numbers

Part No: 56-W938+000_WO
Cross Reference: 18M-11631-00-A0, 653M04000

Vehicle Fitments

Yamaha PW50 (1981–2019)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	PW 50	1981-2016
YAMAHA	PW 50	1981-2020
YAMAHA	PW 50	1981-2021
YAMAHA	PW 50	1985-2017
YAMAHA	PW 50	1981-2019
YAMAHA	QT 50	1979-1992
YAMAHA	SG 50	1981-1983
YAMAHA	MJ 50	1982
YAMAHA	LC 50	1980-1981

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.