Husqvarna TC 125 2017 Owner's Manual page 113

20 TROUBLESHOOTING
Faults
Engine stalls or is popping into the
carburetor
Engine overheats
White smoke emission (steam in
exhaust gas)
Gear oil exits at the vent hose
Water in the gear oil
Possible cause
Lack of fuel
Engine takes in bad air
The connector or ignition coil is
loose or oxidized
Too little coolant in cooling system
Too little air stream
Radiator fins very dirty
Foam formation in cooling system
Damaged cylinder head or cylinder
head gasket
Bent radiator hose
Incorrect ignition point due to loose
stator
Damaged cylinder head or cylinder
head gasket
Too much gear oil added
Damaged shaft seal ring or water
pump
Action
(All TC models)
–

Turn handle of the fuel tap to the ON
position. (Figure F00230-10
(TX 300)
–
 of the fuel tap to the ON
Turn handle
position. (Figure F00231-10
(TX 300)
–

Turn handle of the fuel tap to the RES
position. (Figure F00231-10
–
Refuel. ( p. 29)
–
Check the intake flange and carburetor for
tightness.
–
Clean the connector and treat it with contact
spray.
–
Check the cooling system for leakage.
–
Check the coolant level. (
–
Switch off engine when stationary.
–
Clean the radiator fins.
–
Drain the coolant. (
–
Refill with coolant. (
–
Check the cylinder head and cylinder head
gasket.
–
Change the radiator hose.
–
Adjust the ignition.
–
Check the cylinder head and cylinder head
gasket.
–
Check the gear oil level. (
–
Check the shaft seal ring and water pump.
111
p. 16)
p. 16)
p. 16)
p. 92)
p. 93)
p. 93)
p. 105)