ATHENA steel Exhaust Valve for KTM EXCF 350, FREERIDE 350, XCFW 350, HUSQVARNA FE 350 and GAS GAS ECF 350 2012-2023

On KTM EXCF 350, FREERIDE 350, XCFW 350, HUSQVARNA FE 350 and GAS GAS ECF 350 from 2012 to 2023, the ATHENA acier VE-270210S exhaust valve fits in place of the original part. On a four-stroke, the exhaust valve has gases at several hundred degrees flowing past it on every cycle. A tired valve loses compression and makes hot starts difficult.

Specifications

• Brand: ATHENA
• Manufacturer part number: VE-270210S
• EAN code: 8053300710508
• Weight: 50 g
• Engine: 4-stroke

When to replace it?

• Valve clearance closing up from one check to the next.
• Hard hot starting, loss of compression.
• Marked valve face or cupped valve when removed.

As soon as the valve clearance no longer holds between two checks. Always replace the valves on the same side together and have the seats recut.

Fitting tips

1. Have the valve seats recut and check the guides.
2. Fit new valve stem seals and check the springs.
3. Set the valve clearance with valve shims if needed, then check it again after the first few hours.
4. Refit with a valve cover gasket in good condition.

Why ATHENA?

Founded in 1973 near Vicenza, Athena is an Italian engine gasket specialist that has made its gaskets on its own production lines since day one, as well as a renowned manufacturer of pistons and cylinder kits. The brand supplies original equipment to manufacturers such as KTM, Ducati, Fantic, Piaggio and Triumph, and is a partner of the MXGP motocross world championship.

Spare parts and items to plan

• Valve stem seals : PROX · CENTAURO
• Valve shims : PROX 29.VSA890 · PROX 29.890
• Valve cover gasket : MOOSE 817977MSE · MOOSE 819049MSE

Frequently asked questions

Do both valves need replacing?
Yes, exhaust valves are usually replaced as a pair, with the seats recut.

Titanium or steel?
Steel is more tolerant of wear and is perfectly suited to leisure riding; titanium, which is lighter, is the original choice in many motocross engines. Follow the manufacturer's recommendations for the springs.

Compatibility

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

Fits:
GAS GAS ECF 350 2023
GAS GAS ECF 350 2022
GAS GAS ECF 350 2021
HUSQVARNA FE 350 2023
HUSQVARNA FE 350 2022
HUSQVARNA FE 350 2021
HUSQVARNA FE 350 2020
KTM EXCF 350 2023
KTM EXCF 350 2022
KTM EXCF 350 2021
KTM EXCF 350 2020
KTM FREERIDE 350 2017
KTM FREERIDE 350 2016
KTM FREERIDE 350 2015
KTM FREERIDE 350 2014
KTM FREERIDE 350 2013
KTM FREERIDE 350 2012
KTM XCFW 350 2022
KTM XCFW 350 2021
KTM XCFW 350 2020