KTM 250 SX-F 2021 Owner's Manual page 125

Danger
Danger of poisoning Exhaust gases are toxic and
inhaling them may result in unconsciousness and
death.
–
–
–
Start the engine and check the response.
(XC‑F US)
–
Clean quick release coupling
pressed air.
Info
Under no circumstances should dirt enter into the
fuel line. Dirt in the fuel line clogs the injection
valve!
–
Disconnect the quick release coupling.
Info
Remaining fuel may flow out of the fuel hose.
–
Pull fuel screen
–
Insert the new fuel screen all the way into the connecting
piece.
–
Spray silicone spray onto a lint-free cleaning cloth and
lightly lubricate the O-ring of the quick-release coupling.
F01606-10
Silicone spray (
–
Join quick release coupling
Danger
Danger of poisoning Exhaust gases are toxic and
inhaling them may result in unconsciousness and
death.
–
–
–
Start the engine and check the response.
SERVICE WORK ON THE ENGINE 17
Always make sure there is sufficient ventilation
when running the engine.
Use effective exhaust extraction when starting
or running the engine in an enclosed space.
1
thoroughly with com-
2
out of the connecting piece.
p. 151)
1
.
Always make sure there is sufficient ventilation
when running the engine.
Use effective exhaust extraction when starting
or running the engine in an enclosed space.
123