Replacement engine cylinders for KTM motorcycles and ATVs. Select your model, year range and cylinder option. Check bore size and the supplied parts before ordering; larger-bore options may require additional compatible parts.

Cylinder options and specifications

Airsal 76mm — 373-03410176

Includes:

• 1 x Airsal Replacement Engine Cylinder – 76mm Stock Bore

Replaces KTM OEM # – 77130038100

Manufactured IN SPAIN

Fitment:

• KTM SX-F250 – 2005-2012
• KTM EXC-F250 – 2006-2013
• KTM XC-F250 – 2007-2012
• KTM XC-FW250 – 2007-2013

Airsal 78mm — 373-03410978

Includes:

• 1 x Airsal Replacement Engine Cylinder – 78mm Stock Bore

Replaces KTM OEM # – 77730038100

Manufactured IN SPAIN

Fitment:

• KTM EXC-F250 – 2014-2016
• Husqvarna FE250 – 2014-2016

Airsal 78mm — 373-03410878

Includes:

• 1 x Airsal Replacement Engine Cylinder – 78mm Stock Bore

Replaces KTM OEM # – 79030138000

Manufactured IN SPAIN

Fitment:

• KTM EXC-F250 – 2017-2019
• Husqvarna FE250 – 2017-2019

Wössner 72mm — 370-WBC8327-1

Wössner high performance replacement cylinder – 72mm

To be fitted with Wössner 8327DA piston

Note – Piston Kit must be ordered separately

Fitment:

• KTM EXC300 TPI – 2019-2023
• KTM XC-W300 TPI – 2019-2023
• KTM XC300 TPI – 2020-2022
• Husqvarna TE300i TPI – 2019-2023
• Husqvarna TX300i TPI – 2020-2022
• Gas Gas EC300 2T – 2021-2023
• Gas Gas EX300 2T – 2021-2023

Wössner 54mm — 370-WBC8220A

Wössner high performance replacement cylinder – 54mm

To be fitted with Wössner 8220DA (1-Ring) piston

Note – Piston Kit must be ordered separately

Fitment:

• KTM SX125 – 2016-2022
• KTM XC125 – 2021-2022
• Husqvarna TC125 – 2016-2022
• Gas Gas MC125 – 2021-2023

Replacement 58mm — 374-CYL920058

Includes:

• 1 x Replacement Engine Cylinder – 58mm Stock Bore

Prior to installation please double-check the chamfer of the port windows

Carburetor Engines – does not fit the TPI models – Replaces OEM # 51730038000

Fitment:

• KTM SX150 – 2016-2022
• KTM XC150 – 2017-2020
• KTM XC-W150 – 2017-2019
• Husqvarna TE150 – 2017-2019

Airsal 39.5mm — 373-034102395

Includes:

• 1 x Airsal Replacement Engine Cylinder – 39.5mm Stock Bore

Replaces KTM OEM # 45230038000

Manufactured in SPAIN

Prior to installation please double-check the chamfer of the port windows

Fitment:

• KTM SX50 – 2009-2023
• KTM SX50 Mini – 2009-2023
• Husqvarna TC50 – 2017-2023
• Husqvarna TC50 Mini -2023
• Gas Gas MC50 – 2021-2023

Replacement 39.5mm — 374-CYL9175

Includes:

• 1 x Replacement Engine Cylinder – 39.5mm Stock Bore

Replaces KTM OEM # 45230038000

Prior to installation please double-check the chamfer of the port windows

Fitment:

• KTM SX50 – 2009-2023
• KTM SX50 Mini – 2009-2023
• Husqvarna TC50 – 2017-2023
• Husqvarna TC50 Mini -2023
• Gas Gas MC50 – 2021-2023

Replacement 45mm — 374-CYL9560

Includes:

• 1 x Replacement Engine Cylinder – 45mm Stock Bore

Replaces KTM OEM # 46230038000

Prior to installation please double-check the chamfer of the port windows  

Fitment:

• KTM SX65 – 2009-2023
• KTM XC65 – 2009
• Husqvarna TC65 – 2017-2023
• Gas Gas MC65 – 2021-2023

Airsal 45mm — 373-03410345

Includes:

• 1 x Airsal Replacement Engine Cylinder – 45mm Stock Bore

Replaces KTM OEM # 46230038000/46230138000

Manufactured IN SPAIN

Prior to installation please double-check the chamfer of the port windows

Fitment:

• KTM SX65 – 2009-2026
• KTM XC65 – 2009
• Husqvarna TC65 – 2017-2026
• Gas Gas MC65 – 2021-2026

Wössner 47mm — 370-WBC8147A

Wössner high performance replacement cylinder – 47mm

To be fitted with Wössner 8147DA piston

Note – Piston Kit must be ordered separately

Fitment:

• KTM SX85 – 2018-2026
• Husqvarna TC85 – 2018-2026
• Gas Gas MC85 – 2021-2026

Images are for illustration purposes only, actual products may differ.

NB:
Please note that because we sell across multiple platforms, stock availability cannot be guaranteed. If an ordered item is out of stock, it will be placed on backorder and dispatched as soon as it arrives. If an item is permanently unavailable, we will issue a full refund.

Additionally, as most of our products are imported, final pricing is subject to change without notice due to fluctuating exchange rates and shipping costs.

We appreciate your understanding and always strive to process and ship your orders as quickly as possible!