Name: Piston Kit 81-82 GPZ1100 Kaw, Wossner K8819D150-4 Pin 17mm, Kawasaki
Brand: Wossner
SKU: 56-W9811.74.WO

Piston Kit 81-82 GPZ1100 Kaw, Wossner K8819D150-4 Pin 17mm, Kawasaki

Wossner
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Description

This Wossner piston kit with a 74mm bore is a standard replacement for the Kawasaki GPZ1100 (1981–1982) with a 17mm pin. Forged in Germany for strength and performance, the piston is engineered for efficient heat transfer and uniform load distribution under thermal expansion. Its elliptical design reduces localised stress and helps prevent piston failure in demanding conditions.

Features

Forged construction for superior strength and durability
Designed for optimal combustion chamber heat dissipation
Elliptical profile ensures uniform bearing surface under heat expansion
Even thrust load distribution reduces risk of piston collapse
Manufactured in Germany

Specifications

Bore: 74mm (Standard)
Actual bore: 73.94mm
Display volume: 1135 / 1166 cm³
Stroke: 66.00mm
Clearance: 0.06mm
Wossner compression ratio: 10.30:1
OEM compression ratio: 18.90:1
Dome volume: +16.50 cm³
Compression height: 25.30mm
Pin diameter: 17mm
Lock Part Number: CW17
Pin Part Number: WP083
Ring Set Part Number: 790XDS

Cross-Reference OEM Part Numbers

56-W9811.74.WO
K8819D150-4

Vehicle Fitments

Kawasaki GPZ1100 (1981–1982)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
KAWASAKI	GPZ 1100	1981-1982

Piston Kit 81-82 GPZ1100 Kaw, Wossner K8819D150-4 Pin 17mm, Kawasaki

Wossner
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This Wossner piston kit with a 74mm bore is a standard replacement for the Kawasaki GPZ1100 (1981–1982) with a 17mm... Read more

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SKU: 56-W9811.74.WO

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Description

This Wossner piston kit with a 74mm bore is a standard replacement for the Kawasaki GPZ1100 (1981–1982) with a 17mm pin. Forged in Germany for strength and performance, the piston is engineered for efficient heat transfer and uniform load distribution under thermal expansion. Its elliptical design reduces localised stress and helps prevent piston failure in demanding conditions.

Features

Forged construction for superior strength and durability
Designed for optimal combustion chamber heat dissipation
Elliptical profile ensures uniform bearing surface under heat expansion
Even thrust load distribution reduces risk of piston collapse
Manufactured in Germany

Specifications

Bore: 74mm (Standard)
Actual bore: 73.94mm
Display volume: 1135 / 1166 cm³
Stroke: 66.00mm
Clearance: 0.06mm
Wossner compression ratio: 10.30:1
OEM compression ratio: 18.90:1
Dome volume: +16.50 cm³
Compression height: 25.30mm
Pin diameter: 17mm
Lock Part Number: CW17
Pin Part Number: WP083
Ring Set Part Number: 790XDS

Cross-Reference OEM Part Numbers

56-W9811.74.WO
K8819D150-4

Vehicle Fitments

Kawasaki GPZ1100 (1981–1982)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
KAWASAKI	GPZ 1100	1981-1982

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.