KTM RC 390 2018 - Troubleshooting; Engine does not crank when the electric starter button is pressed; Engine turns but does not start; Engine overheats

22 TROUBLESHOOTING
230
Faults Possible cause Action
Engine does not crank when
the electric starter button is
pressed
Operating error – Carry out the start procedure.
( p. 85)
Battery discharged – Recharge the battery. ( p. 175)
Fuse 1, 3, 4, or 7 is blown – Change the fuses of individual power
consumers. ( p. 181)
No ground connection present – Check the ground connection.
Engine turns only if the clutch
lever is drawn
The vehicle is in gear – Shift gear to neutral.
The vehicle is in gear and the
side stand is folded out
– Shift gear to neutral.
Engine turns but does not start Operating error – Carry out the start procedure.
( p. 85)
Fault in fuel injection system – Read out the fault memory using the
KTM diagnostics tool.
Engine has too little power Air filter is very dirty – Change the air filter.
Fuel filter is very dirty – Check the fuel pressure.
Fault in fuel injection system – Read out the fault memory using the
KTM diagnostics tool.
Engine overheats Too little coolant in cooling sys-
tem
– Check the cooling system for leakage.
– Check the coolant level in the compen-
sating tank. ( p. 196)
Radiator fins very dirty – Clean the radiator fins.