Name: Piston Kit 09-11 TM450F 95.00, Forged Wossner 8820DB
Brand: Wossner
SKU: 56-W4960.B.WO

Piston Kit 09-11 TM450F 95.00, Forged Wossner 8820DB

Wossner
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Description

This Wossner forged piston kit, part number 8820DB, features a 95.01mm bore with an actual piston size of 94.97mm (+0.02mm oversize). It is engineered for TM MX-F450 (2009–2010), MX-Fi450 (2011), and EN-Fi450 (2011) models. Made in Germany, this high-performance four-stroke piston is designed for durability, efficient heat transfer, and even pressure distribution, using an elliptical profile to reduce localized stress.

Features

Forged construction for strength and performance durability
Elliptical profile for even expansion and thrust load distribution
Designed for optimal combustion heat dissipation
Made in Germany
Direct OEM replacement
Easy to install; professional installation recommended if unsure

Specifications

Bore Size: 95.01mm
Actual Piston Size: 94.97mm
Displacement: 250cm³
Stroke: 63.40mm
Clearance: 0.04mm
Dome Volume: -6.40cm³
Compression Ratio: 13.00:1 (OEM)
Compression Height: 21.00mm

Cross-Reference OEM Part Numbers

CW19 (Lock)
WP037 (Pin)
950ADS-2 (Ring Set)

Vehicle Fitments

TM MX-F450 (2009–2010)
TM MX-Fi450 (2011)
TM EN-Fi450 (2011)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
TM	MX Fi 450	2011
TM	MX F 450	2009-2011
TM	EN Fi 450	2011
TM	TM F 450	2009-2011

Piston Kit 09-11 TM450F 95.00, Forged Wossner 8820DB

Wossner
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This Wossner forged piston kit, part number 8820DB, features a 95.01mm bore with an actual piston size of 94.97mm (+0.02mm... Read more

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SKU: 56-W4960.B.WO

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Description

This Wossner forged piston kit, part number 8820DB, features a 95.01mm bore with an actual piston size of 94.97mm (+0.02mm oversize). It is engineered for TM MX-F450 (2009–2010), MX-Fi450 (2011), and EN-Fi450 (2011) models. Made in Germany, this high-performance four-stroke piston is designed for durability, efficient heat transfer, and even pressure distribution, using an elliptical profile to reduce localized stress.

Features

Forged construction for strength and performance durability
Elliptical profile for even expansion and thrust load distribution
Designed for optimal combustion heat dissipation
Made in Germany
Direct OEM replacement
Easy to install; professional installation recommended if unsure

Specifications

Bore Size: 95.01mm
Actual Piston Size: 94.97mm
Displacement: 250cm³
Stroke: 63.40mm
Clearance: 0.04mm
Dome Volume: -6.40cm³
Compression Ratio: 13.00:1 (OEM)
Compression Height: 21.00mm

Cross-Reference OEM Part Numbers

CW19 (Lock)
WP037 (Pin)
950ADS-2 (Ring Set)

Vehicle Fitments

TM MX-F450 (2009–2010)
TM MX-Fi450 (2011)
TM EN-Fi450 (2011)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
TM	MX Fi 450	2011
TM	MX F 450	2009-2011
TM	EN Fi 450	2011
TM	TM F 450	2009-2011

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.