KTM 50 SX 2017, Руководство пользователя

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19 TROUBLESHOOTING
87
Faults Possible cause Action
Engine has too little power Exhaust system leaky, deformed or
too little glass fiber yarn filling in
main silencer
–
Check exhaust system for damage.
–
Change the glass fiber yarn filling of the main
silencer.
( p. 49)
Ignition system defective
–
Check the ignition coil.
–
Check the spark plug connector.
Diaphragm or reed valve housing
damaged
–
Check the diaphragm and reed valve housing.
Noticeable wear
–
Overhaul the engine.
Clutch engagement speed too low or
too high
–
Check the clutch setting. ( p. 77)
Engine stalls or is popping into the
carburetor Lack of fuel
–
Turn the knurled screw on the fuel tap all the
way counterclockwise.
–
Fill up with fuel. ( p. 20)
Engine takes in bad air
–
Check the intake flange and carburetor for
tightness.
The connector or ignition coil is loose
or oxidized
–
Clean the plug-in connection and treat it with
contact spray.
Engine overheats Too little coolant in cooling system
–
Check the cooling system for leakage.
–
Check the coolant level. ( p. 72)
Too little air stream
–
Switch off engine when standing.
Radiator fins very dirty
–
Clean radiator fins.
Foam formation in cooling system
–
Drain the coolant. ( p. 72)
–
Refill with coolant. ( p. 73)
Damaged cylinder head or cylinder
head gasket
–
Check the cylinder head or cylinder head gas-
ket.
Bent radiator hose
–
Change the radiator hose.
White smoke emission (steam in
exhaust gas) Damaged cylinder head or cylinder
head gasket
–
Check the cylinder head or cylinder head gas-
ket.
Gear oil exits at the vent hose Too much gear oil added
–
Check the gear oil level. ( p. 81)
Water in the gear oil Damaged shaft seal ring or water
pump
–
Check the shaft seal ring and water pump.