Name: Piston Kit 2014 YZF250 77.0 Hc, Forged Wossner 8894DA, 1SM-11631-01-00
Brand: Wossner
SKU: 56-W4962.A.WO

Piston Kit 2014 YZF250 77.0 Hc, Forged Wossner 8894DA, 1SM-11631-01-00

Wossner
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Description

This Wossner forged piston kit, part number 8893DA, features a standard 77.00mm bore with an actual piston size of 76.95mm. It is designed for Yamaha YZF250 models from 2014 to 2015. Manufactured in Germany, this high-compression piston is built for performance, providing increased compression over OEM specifications. Its elliptical design ensures even load distribution and optimal thermal expansion resistance.

Features

Forged construction for superior strength and durability
High compression design for increased engine performance
Elliptical profile for uniform expansion and balanced thrust load distribution
Optimized for combustion heat transfer
Made in Germany
Direct OEM replacement
Easy to install; professional installation recommended if unsure

Specifications

Bore Size: 77.00mm
Actual Piston Size: 76.95mm
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 2014 YZF250 77.0 Hc, Forged Wossner 8894DA, 1SM-11631-01-00

Wossner
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This Wossner forged piston kit, part number 8893DA, features a standard 77.00mm bore with an actual piston size of 76.95mm.... Read more

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SKU: 56-W4962.A.WO

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Description

This Wossner forged piston kit, part number 8893DA, features a standard 77.00mm bore with an actual piston size of 76.95mm. It is designed for Yamaha YZF250 models from 2014 to 2015. Manufactured in Germany, this high-compression piston is built for performance, providing increased compression over OEM specifications. Its elliptical design ensures even load distribution and optimal thermal expansion resistance.

Features

Forged construction for superior strength and durability
High compression design for increased engine performance
Elliptical profile for uniform expansion and balanced thrust load distribution
Optimized for combustion heat transfer
Made in Germany
Direct OEM replacement
Easy to install; professional installation recommended if unsure

Specifications

Bore Size: 77.00mm
Actual Piston Size: 76.95mm
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.