Name: Piston Kit 07-09 RMZ250 77.00, Wossner 8666DB Suzuki
Brand: Wossner
SKU: 56-W4921.B.WO

Piston Kit 07-09 RMZ250 77.00, Wossner 8666DB Suzuki

Wossner
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Description

The Wossner 8666DB forged piston kit with a 77.01mm bore is designed for Suzuki RM-Z250 models from 2007 to 2009. Made in Germany, this high-performance piston ensures efficient heat dissipation and strength. Its elliptical design provides a uniform bearing surface during thermal expansion, reducing stress concentrations and preventing piston failure.

Features

Forged piston for enhanced strength and longevity
Optimized for efficient heat transfer to cylinder walls
Elliptical shape distributes load evenly under thermal expansion
Reduces localized pressure and risk of piston collapse
Manufactured in Germany

Specifications

Bore: 77.01 mm
Actual Bore Diameter: 76.97 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: 8666DB
Lock: CW16
Pin: WP059
Ring Set: 770XAS
Rod: P4004
Main Bearing: 2 x MB830046
Part No.: 56-W4921.B.WO

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 8666DB Suzuki

Wossner
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The Wossner 8666DB forged piston kit with a 77.01mm bore is designed for Suzuki RM-Z250 models from 2007 to 2009.... Read more

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SKU: 56-W4921.B.WO

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Description

The Wossner 8666DB forged piston kit with a 77.01mm bore is designed for Suzuki RM-Z250 models from 2007 to 2009. Made in Germany, this high-performance piston ensures efficient heat dissipation and strength. Its elliptical design provides a uniform bearing surface during thermal expansion, reducing stress concentrations and preventing piston failure.

Features

Forged piston for enhanced strength and longevity
Optimized for efficient heat transfer to cylinder walls
Elliptical shape distributes load evenly under thermal expansion
Reduces localized pressure and risk of piston collapse
Manufactured in Germany

Specifications

Bore: 77.01 mm
Actual Bore Diameter: 76.97 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: 8666DB
Lock: CW16
Pin: WP059
Ring Set: 770XAS
Rod: P4004
Main Bearing: 2 x MB830046
Part No.: 56-W4921.B.WO

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.