Name: Piston Kit 07-09 RMZ250 77.00, Wossner 8666DA Suzuki 12111-10H20-0F0
Brand: Wossner
SKU: 56-W4921.A.WO

Piston Kit 07-09 RMZ250 77.00, Wossner 8666DA Suzuki 12111-10H20-0F0

Wossner
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Description

The Wossner 8666DA forged piston kit with a 77.00mm bore is designed for Suzuki RM-Z250 models from 2007 to 2009. Manufactured in Germany, this piston delivers excellent durability, heat transfer, and performance. Its elliptical design ensures even bearing contact under heat expansion, reducing stress points and preventing piston collapse.

Features

Forged piston construction for enhanced strength and reliability
Designed to optimize heat transfer from combustion chamber to cylinder walls
Elliptical shape provides uniform pressure distribution during thermal expansion
Reduces risk of localized pressure and piston failure
Manufactured in Germany

Specifications

Bore: 77.00 mm
Actual Bore Diameter: 76.96 mm
Display: 249 cm³
Hub Stroke: 53.60 mm
Clearance: 0.04 mm
Compression Height: 19.60 mm
Dome Volume: -3.30 cm³
Wossner Compression Ratio: OEM
OEM Compression Ratio: 13.40:1

Cross-Reference OEM Part Numbers

Piston: 8666DA
Lock: CW16
Pin: WP070
Ring Set: 770XAS-2
Rod: P4004
Main Bearing: 2 x MB830046
Part No.: 56-W4921.A.WO
OEM Reference: 12111-10H20-0F0, 4921M07700

Vehicle Fitments

Suzuki RM-Z250 2007–2009

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
SUZUKI	RM Z 250	2007-2009

Piston Kit 07-09 RMZ250 77.00, Wossner 8666DA Suzuki 12111-10H20-0F0

Wossner
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The Wossner 8666DA forged piston kit with a 77.00mm bore is designed for Suzuki RM-Z250 models from 2007 to 2009.... Read more

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SKU: 56-W4921.A.WO

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Description

The Wossner 8666DA forged piston kit with a 77.00mm bore is designed for Suzuki RM-Z250 models from 2007 to 2009. Manufactured in Germany, this piston delivers excellent durability, heat transfer, and performance. Its elliptical design ensures even bearing contact under heat expansion, reducing stress points and preventing piston collapse.

Features

Forged piston construction for enhanced strength and reliability
Designed to optimize heat transfer from combustion chamber to cylinder walls
Elliptical shape provides uniform pressure distribution during thermal expansion
Reduces risk of localized pressure and piston failure
Manufactured in Germany

Specifications

Bore: 77.00 mm
Actual Bore Diameter: 76.96 mm
Display: 249 cm³
Hub Stroke: 53.60 mm
Clearance: 0.04 mm
Compression Height: 19.60 mm
Dome Volume: -3.30 cm³
Wossner Compression Ratio: OEM
OEM Compression Ratio: 13.40:1

Cross-Reference OEM Part Numbers

Piston: 8666DA
Lock: CW16
Pin: WP070
Ring Set: 770XAS-2
Rod: P4004
Main Bearing: 2 x MB830046
Part No.: 56-W4921.A.WO
OEM Reference: 12111-10H20-0F0, 4921M07700

Vehicle Fitments

Suzuki RM-Z250 2007–2009

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
SUZUKI	RM Z 250	2007-2009

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.