KTM TC 50 2020 Owner's Manual page 131

Faults
Engine overheats
White smoke emission (steam
in exhaust gas)
Gear oil exits at the vent hose
Water in the gear oil
Possible cause
Bent radiator hose
Damaged cylinder head or
cylinder head gasket
Too much gear oil added
Damaged shaft seal ring or
water pump
TROUBLESHOOTING 20
Action
–
Change the radiator hose.
–
Check the cylinder head or cylinder
head gasket.
–
Check the gear oil level. (
–
Check the shaft seal ring and water
pump.
p. 113)
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