Name: Piston Kit 05-18 KTM 250 66.40, Wossner 8169DA Sx, Exc, 54830007300
Brand: Wossner
SKU: 56-W214.A.WO

Piston Kit 05-18 KTM 250 66.40, Wossner 8169DA Sx, Exc, 54830007300

Wossner
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Description

Wossner forged piston kit designed for KTM SX250 (2005-2018), EXC250 (2006-2018), Freeride 250R (2014-2020), Husqvarna TC250 (2014-2015), and Betamotor RR250 (2013-2015) models. Engineered for superior strength and optimal heat transfer, these pistons feature an elliptical design to ensure uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Includes a hard Teflon skirt coating for an optimal fit and improved conformability to the cylinder bore.

Features

Forged piston for increased strength and durability
Optimized heat transfer for efficient combustion chamber performance
Elliptical design for even thrust load distribution and reduced piston collapse
Hard Teflon skirt coating for improved fit and wear resistance

Specifications

Bore Size: 66.40mm
Actual Bore Diameter: 66.34mm
Displacement: 249 cm³
Stroke: 72.00mm
Clearance: 0.06mm
Wossner Compression Ratio: 2-stroke
OEM Compression Ratio: 2-stroke
Compression Height: 38.00mm
Lock Part Number: CW18
Pin Part Number: WP033
Ring Set Part Number: RSB6640 x 2
Rod Part Number: P2023

Cross-Reference OEM Part Numbers

54830007300 I
54830007300
09104861
856M06640

Vehicle Fitments

KTM SX250 (2005-2018)
KTM EXC250 (2006-2018)
KTM Freeride 250R (2014-2020)
Husqvarna TC250 (2014-2015)
Betamotor RR250 (2013-2015)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
HUSABERG	TE 250	2013-2014
HUSABERG	TE 250	2011-2014
HUSQVARNA	TC 250	2014-2021
KTM	EXC TPI 250	2018-2019
KTM	EXC TPI 250	2018-2021
HUSQVARNA	TE I 250	2018-2021
HUSQVARNA	TE 250	2014-2019
HUSQVARNA	TE 250	2014-2021
HUSQVARNA	TC 250	2014-2019
GAS-GAS	EC 250	2021
HUSQVARNA	TE 250	2014-2020
HUSQVARNA	TC 250	2014-2020
KTM	FREERIDE R 250	2014-2017
KTM	FREERIDE R 250	2014-2015
KTM	EXC 250	2007-2018
HUSQVARNA	TE I 250	2018-2019
HUSQVARNA	TE 250	2014-2018
BETA	RR 250	2013-2018
BETA	RR ENDURO 2T 250	2013-2020
HUSQVARNA	TE I 250	2018
HUSQVARNA	TE 250	2014-2017
HUSQVARNA	TC 250	2014-2017
KTM	FREERIDE R 250	2014-2016
HUSQVARNA	TC 250	2014-2015
KTM	XC 250	2006-2014
KTM	XC W 250	2006-2015
HUSQVARNA	TC 250	2014-2018
KTM	SX 250	2005-2018
KTM	SX 250	2003-2019
KTM	SX 250	2003-2021
SHERCO	SE R 250	2013-2016
SHERCO	SE 250	2013-2016
KTM	XC 250	2014-2016
KTM	EXC 250	2006-2019
KTM	EXC 250	2005-2018
KTM	XC W 250	2015-2020
KTM	XC 250	2015-2020
KTM	EXC 250	2006-2020
KTM	EXC 250	2006-2021
BETA	XTRAINER 250	2018
KTM	SX 250	2003-2017
SHERCO	SE R 250	2013-2018
SHERCO	SE 250	2013-2018
KTM	EXC 250	2006-2017

Piston Kit 05-18 KTM 250 66.40, Wossner 8169DA Sx, Exc, 54830007300

Wossner
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Wossner forged piston kit designed for KTM SX250 (2005-2018), EXC250 (2006-2018), Freeride 250R (2014-2020), Husqvarna TC250 (2014-2015), and Betamotor RR250... Read more

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SKU: 56-W214.A.WO

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Description

Wossner forged piston kit designed for KTM SX250 (2005-2018), EXC250 (2006-2018), Freeride 250R (2014-2020), Husqvarna TC250 (2014-2015), and Betamotor RR250 (2013-2015) models. Engineered for superior strength and optimal heat transfer, these pistons feature an elliptical design to ensure uniform bearing surface under heat expansion, reducing localized pressure and preventing piston collapse. Includes a hard Teflon skirt coating for an optimal fit and improved conformability to the cylinder bore.

Features

Forged piston for increased strength and durability
Optimized heat transfer for efficient combustion chamber performance
Elliptical design for even thrust load distribution and reduced piston collapse
Hard Teflon skirt coating for improved fit and wear resistance

Specifications

Bore Size: 66.40mm
Actual Bore Diameter: 66.34mm
Displacement: 249 cm³
Stroke: 72.00mm
Clearance: 0.06mm
Wossner Compression Ratio: 2-stroke
OEM Compression Ratio: 2-stroke
Compression Height: 38.00mm
Lock Part Number: CW18
Pin Part Number: WP033
Ring Set Part Number: RSB6640 x 2
Rod Part Number: P2023

Cross-Reference OEM Part Numbers

54830007300 I
54830007300
09104861
856M06640

Vehicle Fitments

KTM SX250 (2005-2018)
KTM EXC250 (2006-2018)
KTM Freeride 250R (2014-2020)
Husqvarna TC250 (2014-2015)
Betamotor RR250 (2013-2015)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
HUSABERG	TE 250	2013-2014
HUSABERG	TE 250	2011-2014
HUSQVARNA	TC 250	2014-2021
KTM	EXC TPI 250	2018-2019
KTM	EXC TPI 250	2018-2021
HUSQVARNA	TE I 250	2018-2021
HUSQVARNA	TE 250	2014-2019
HUSQVARNA	TE 250	2014-2021
HUSQVARNA	TC 250	2014-2019
GAS-GAS	EC 250	2021
HUSQVARNA	TE 250	2014-2020
HUSQVARNA	TC 250	2014-2020
KTM	FREERIDE R 250	2014-2017
KTM	FREERIDE R 250	2014-2015
KTM	EXC 250	2007-2018
HUSQVARNA	TE I 250	2018-2019
HUSQVARNA	TE 250	2014-2018
BETA	RR 250	2013-2018
BETA	RR ENDURO 2T 250	2013-2020
HUSQVARNA	TE I 250	2018
HUSQVARNA	TE 250	2014-2017
HUSQVARNA	TC 250	2014-2017
KTM	FREERIDE R 250	2014-2016
HUSQVARNA	TC 250	2014-2015
KTM	XC 250	2006-2014
KTM	XC W 250	2006-2015
HUSQVARNA	TC 250	2014-2018
KTM	SX 250	2005-2018
KTM	SX 250	2003-2019
KTM	SX 250	2003-2021
SHERCO	SE R 250	2013-2016
SHERCO	SE 250	2013-2016
KTM	XC 250	2014-2016
KTM	EXC 250	2006-2019
KTM	EXC 250	2005-2018
KTM	XC W 250	2015-2020
KTM	XC 250	2015-2020
KTM	EXC 250	2006-2020
KTM	EXC 250	2006-2021
BETA	XTRAINER 250	2018
KTM	SX 250	2003-2017
SHERCO	SE R 250	2013-2018
SHERCO	SE 250	2013-2018
KTM	EXC 250	2006-2017

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.