KTM 690 Enduro R 2019 Owner's Manual page 44

6 CONTROLS
42
Note
Environmental hazard Improper handling of fuel is a danger to the environment.
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Do not allow fuel to enter the groundwater, the soil, or the sewage system.
S03278-10
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1
Lift cover of fuel tank filler cap and insert the ignition key.
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Turn the ignition key 90° counterclockwise and take off the
fuel tank filler cap.
Info
The fuel tank filler cap has a fuel tank breather.