PROX Clutch Master Cylinder Rebuild Kit for KTM, HUSQVARNA, HUSABERG and GAS GAS 2006-2025

The PROX 16.940000 clutch master cylinder rebuild kit is designed for KTM EXC 250, EXC 300, EXC 450, EXC 500, EXC 525, EXC 530, EXCF 250, EXCF 350, EXCF 450, EXCF 500, SX 250, SX 300, SXF 250, SXF 350, SXF 450, HUSQVARNA FC 250, FC 350, FC 450, FE 250, FE 350, FE 450, FE 501, FX 450, TC 250, TE 250, TE 300, HUSABERG FE 250, FE 350, FE 450, FE 501, TE 250, TE 300 and GAS GAS EX 300, MCF 450 from 2006 to 2025. The clutch master cylinder turns the effort on the lever into hydraulic pressure. When its seals wear, pressure escapes: the lever goes soft and the clutch doesn't disengage properly. This kit replaces the piston and its seals.

Specifications

• Brand: PROX
• Manufacturer part number: 16.940000
• Weight: 30 g

When to replace it?

• Lever that sinks or doesn't return properly.
• Fluid leaking at the lever.
• Clutch that doesn't disengage properly despite bleeding.

As soon as a leak appears or the lever loses its firmness.

Fitting tips

1. Drain the system and remove the master cylinder cleanly.
2. Replace the piston and the seals from the kit, lubricated with the specified fluid.
3. Refill and bleed the system with the specified fluid, without mixing mineral oil and DOT fluid.

Why PROX?

Founded in 1975 and based near Amsterdam, ProX specialises in engine and clutch wear parts for off-road bikes. The brand has most of its range made in Japan, by OEM suppliers, for quality on a par with the original parts.

Spare parts and items to plan

• Brake and clutch fluid : LIQUI MOLY 250 ml · MOTUL 500 ml
• Clutch slave cylinder rebuild kit : ALL BALLS 18-6014 · ALL BALLS 18-6003

Frequently asked questions

Which fluid should I use?
The one shown on the master cylinder cap or in the manual. Never mix mineral oil and DOT fluid.

Compatibility

Check the exact model and year of your bike in the list below before ordering.

Fits:
GAS GAS EX 300 2025
GAS GAS EX 300 2024
GAS GAS EX 300 2023
GAS GAS EX 300 2022
GAS GAS EX 300 2021
GAS GAS MCF 450 2025
GAS GAS MCF 450 2024
GAS GAS MCF 450 2023
GAS GAS MCF 450 2022
GAS GAS MCF 450 2021
HUSABERG FE 250 2014
HUSABERG FE 250 2013
HUSABERG FE 350 2014
HUSABERG FE 350 2013
HUSABERG FE 450 2014
HUSABERG FE 501 2014
HUSABERG FE 501 2013
HUSABERG TE 250 2014
HUSABERG TE 250 2013
HUSABERG TE 250 2012
HUSABERG TE 250 2011
HUSABERG TE 300 2014
HUSABERG TE 300 2013
HUSABERG TE 300 2012
HUSABERG TE 300 2011
HUSQVARNA FC 250 2015
HUSQVARNA FC 250 2014
HUSQVARNA FC 350 2015
HUSQVARNA FC 350 2014
HUSQVARNA FC 450 2025
HUSQVARNA FC 450 2024
HUSQVARNA FC 450 2023
HUSQVARNA FC 450 2022
HUSQVARNA FC 450 2015
HUSQVARNA FC 450 2014
HUSQVARNA FE 250 2016
HUSQVARNA FE 250 2015
HUSQVARNA FE 250 2014
HUSQVARNA FE 350 2016
HUSQVARNA FE 350 2015
HUSQVARNA FE 350 2014
HUSQVARNA FE 450 2016
HUSQVARNA FE 450 2015
HUSQVARNA FE 450 2014
HUSQVARNA FE 501 2016
HUSQVARNA FE 501 2015
HUSQVARNA FE 501 2014
HUSQVARNA FX 450 2025
HUSQVARNA FX 450 2024
HUSQVARNA FX 450 2023
HUSQVARNA FX 450 2022
HUSQVARNA TC 250 2025
HUSQVARNA TC 250 2024
HUSQVARNA TC 250 2023
HUSQVARNA TC 250 2022
HUSQVARNA TC 250 2017
HUSQVARNA TC 250 2016
HUSQVARNA TE 250 2016
HUSQVARNA TE 250 2015
HUSQVARNA TE 250 2014
HUSQVARNA TE 300 2016
HUSQVARNA TE 300 2015
HUSQVARNA TE 300 2014
KTM EXC 250 2025
KTM EXC 250 2024
KTM EXC 250 2023
KTM EXC 250 2022
KTM EXC 250 2021
KTM EXC 250 2020
KTM EXC 250 2019
KTM EXC 250 2018
KTM EXC 250 2016
KTM EXC 250 2015
KTM EXC 250 2014
KTM EXC 250 2013
KTM EXC 250 2012
KTM EXC 250 2011
KTM EXC 250 2010
KTM EXC 250 2009
KTM EXC 250 2008
KTM EXC 250 2007
KTM EXC 250 2006
KTM EXC 300 2025
KTM EXC 300 2024
KTM EXC 300 2023
KTM EXC 300 2022
KTM EXC 300 2021
KTM EXC 300 2020
KTM EXC 300 2019
KTM EXC 300 2016
KTM EXC 300 2015
KTM EXC 300 2014
KTM EXC 300 2013
KTM EXC 300 2012
KTM EXC 300 2011
KTM EXC 300 2010
KTM EXC 300 2009
KTM EXC 300 2008
KTM EXC 300 2007
KTM EXC 300 2006
KTM EXC 450 2014
KTM EXC 450 2013
KTM EXC 450 2012
KTM EXC 450 2011
KTM EXC 450 2010
KTM EXC 450 2009
KTM EXC 450 2008
KTM EXC 450 2007
KTM EXC 500 2016
KTM EXC 500 2015
KTM EXC 500 2014
KTM EXC 500 2013
KTM EXC 500 2012
KTM EXC 525 2007
KTM EXC 530 2011
KTM EXC 530 2010
KTM EXC 530 2009
KTM EXC 530 2008
KTM EXCF 250 2025
KTM EXCF 250 2024
KTM EXCF 250 2023
KTM EXCF 250 2022
KTM EXCF 250 2021
KTM EXCF 250 2020
KTM EXCF 250 2019
KTM EXCF 250 2018
KTM EXCF 250 2017
KTM EXCF 250 2016
KTM EXCF 250 2015
KTM EXCF 250 2014
KTM EXCF 250 2013
KTM EXCF 250 2012
KTM EXCF 250 2011
KTM EXCF 250 2010
KTM EXCF 250 2009
KTM EXCF 250 2008
KTM EXCF 250 2007
KTM EXCF 350 2025
KTM EXCF 350 2024
KTM EXCF 350 2023
KTM EXCF 350 2022
KTM EXCF 350 2021
KTM EXCF 350 2020
KTM EXCF 350 2019
KTM EXCF 350 2018
KTM EXCF 350 2017
KTM EXCF 350 2016
KTM EXCF 350 2015
KTM EXCF 350 2014
KTM EXCF 350 2013
KTM EXCF 350 2012
KTM EXCF 450 2025
KTM EXCF 450 2024
KTM EXCF 450 2023
KTM EXCF 450 2022
KTM EXCF 450 2021
KTM EXCF 450 2020
KTM EXCF 450 2019
KTM EXCF 450 2018
KTM EXCF 450 2017
KTM EXCF 500 2025
KTM EXCF 500 2024
KTM EXCF 500 2023
KTM EXCF 500 2022
KTM EXCF 500 2021
KTM EXCF 500 2020
KTM EXCF 500 2019
KTM EXCF 500 2018
KTM EXCF 500 2017
KTM SX 250 2025
KTM SX 250 2024
KTM SX 250 2023
KTM SX 250 2022
KTM SX 250 2021
KTM SX 250 2020
KTM SX 250 2019
KTM SX 250 2018
KTM SX 250 2017
KTM SX 250 2016
KTM SX 250 2015
KTM SX 250 2014
KTM SX 250 2013
KTM SX 250 2012
KTM SX 250 2011
KTM SX 250 2010
KTM SX 250 2009
KTM SX 250 2008
KTM SX 250 2007
KTM SX 250 2006
KTM SX 300 2025
KTM SX 300 2024
KTM SX 300 2023
KTM SXF 250 2015
KTM SXF 250 2014
KTM SXF 250 2013
KTM SXF 250 2012
KTM SXF 250 2011
KTM SXF 250 2010
KTM SXF 250 2009
KTM SXF 250 2008
KTM SXF 250 2007
KTM SXF 350 2020
KTM SXF 350 2019
KTM SXF 350 2015
KTM SXF 350 2014
KTM SXF 350 2013
KTM SXF 350 2012
KTM SXF 350 2011
KTM SXF 450 2025
KTM SXF 450 2024
KTM SXF 450 2023
KTM SXF 450 2022
KTM SXF 450 2021
KTM SXF 450 2020
KTM SXF 450 2019
KTM SXF 450 2018
KTM SXF 450 2017
KTM SXF 450 2016
KTM SXF 450 2015
KTM SXF 450 2014
KTM SXF 450 2013