KTM F7360R6, Owner'S Manual

Page: 150 / 178

21 TROUBLESHOOTING
148
Faults Possible cause Action
Engine has too little power Air filter very dirty
–
Clean the air filter and air filter box.
(
p. 78)
Exhaust system leaky,
deformed or too little glass
fiber yarn filling in main
silencer
–
Check exhaust system for damage.
–
Change glass fiber yarn filling in the
main silencer.
( p. 80)
Fault in ignition system
–
Check the ignition system.
Diaphragm or reed valve hous-
ing damaged
–
Check the diaphragm and reed valve
housing.
Engine stalls or is popping into
the carburetor Lack of fuel
–
Turn handle
1
of the
fuel tap to the ON position.
(Figure E00826-10 p. 21)
–
Refuel. ( p. 48)
Engine takes in bad air
–
Check the intake flange and carburetor
for tightness.
The connector or ignition coil is
loose or oxidized
–
Clean the connector and treat it with
contact spray.
Engine overheats Too little coolant in cooling sys-
tem
–
Check the cooling system for leakage.
–
Check the coolant level. ( p. 126)
Too little air stream
–
Switch off engine when stationary.
Radiator fins very dirty
–
Clean the radiator fins.
Foam formation in cooling sys-
tem
–
Drain the coolant. ( p. 126)
–
Refill with coolant. ( p. 127)
Damaged cylinder head or
cylinder head gasket
–
Check the cylinder head and cylinder
head gasket.
Bent radiator hose
–
Change the radiator hose.
Incorrect ignition point due to
loose stator
White smoke emission (steam
in exhaust gas) Damaged cylinder head or
cylinder head gasket
–
Check the cylinder head and cylinder
head gasket.
Gear oil exits at the vent hose Too much gear oil added
–
Check the gear oil level. ( p. 140)
Water in the gear oil Damaged shaft seal ring or
water pump
–
Check the shaft seal ring and water
pump.