Name: Piston Kit 14- YZF250 77mm Hc, Forged Wossner 8894DB
Brand: Wossner
SKU: 56-W4962.B.WO

Piston Kit 14- YZF250 77mm Hc, Forged Wossner 8894DB

Wossner
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Description

This Wossner forged piston kit, part number 8893DB, features a 77.01mm bore with an actual piston size of 76.96mm (+0.01mm oversize). Designed for Yamaha YZF250 models from 2014 to 2015, this high-compression piston is manufactured in Germany and engineered for enhanced durability, efficient heat transfer, and optimal performance. Its elliptical profile ensures uniform expansion and balanced thrust loads during operation.

Features

Forged construction for strength and high durability
High compression design for improved performance
Elliptical shape supports even expansion and load distribution
Designed for efficient heat transfer from combustion chamber
Made in Germany
Direct OEM replacement
Easy to install; professional installation recommended if unsure

Specifications

Bore Size: 77.01mm
Actual Piston Size: 76.96mm
Displacement: 249cm³
Stroke: 53.60mm
Clearance: 0.05mm
Dome Volume: -3.00cm³
Wossner Compression Ratio: 13.70:1
OEM Compression Ratio: 13.50:1
Compression Height: 20.20mm

Cross-Reference OEM Part Numbers

1SM-11631-01-00
CW16 (Lock)
WP087 (Pin)
770XAS-2 (Ring Set)

Vehicle Fitments

YZF250 (2014–2015)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	WRF 250	2015-2017
YAMAHA	YZF 250	2014-2015
YAMAHA	WRF 250	2015

Piston Kit 14- YZF250 77mm Hc, Forged Wossner 8894DB

Wossner
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This Wossner forged piston kit, part number 8893DB, features a 77.01mm bore with an actual piston size of 76.96mm (+0.01mm... Read more

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SKU: 56-W4962.B.WO

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Description

This Wossner forged piston kit, part number 8893DB, features a 77.01mm bore with an actual piston size of 76.96mm (+0.01mm oversize). Designed for Yamaha YZF250 models from 2014 to 2015, this high-compression piston is manufactured in Germany and engineered for enhanced durability, efficient heat transfer, and optimal performance. Its elliptical profile ensures uniform expansion and balanced thrust loads during operation.

Features

Forged construction for strength and high durability
High compression design for improved performance
Elliptical shape supports even expansion and load distribution
Designed for efficient heat transfer from combustion chamber
Made in Germany
Direct OEM replacement
Easy to install; professional installation recommended if unsure

Specifications

Bore Size: 77.01mm
Actual Piston Size: 76.96mm
Displacement: 249cm³
Stroke: 53.60mm
Clearance: 0.05mm
Dome Volume: -3.00cm³
Wossner Compression Ratio: 13.70:1
OEM Compression Ratio: 13.50:1
Compression Height: 20.20mm

Cross-Reference OEM Part Numbers

1SM-11631-01-00
CW16 (Lock)
WP087 (Pin)
770XAS-2 (Ring Set)

Vehicle Fitments

YZF250 (2014–2015)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	WRF 250	2015-2017
YAMAHA	YZF 250	2014-2015
YAMAHA	WRF 250	2015

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.