KTM 690 SMC R 2017 Owner's Manual page 147

15 COOLING SYSTEM
Danger
Danger of poisoning Exhaust gases are toxic and inhaling them may result in
unconsciousness and death.
–
Always make sure there is sufficient ventilation when running the engine.
–
Use an effective exhaust extraction system when starting or running the
engine in an enclosed space.
–
Start the engine and run it until the 5th bar of the temperature indicator lights up.
–
Stop the engine and allow it to cool down.
–
Check the coolant level. ( p. 140)
145