TROUBLESHOOTING
97
Faults
Possible cause
Action
Engine stalls or pops back into the
carburetor
The intake system has an air leak
–
Check rubber sleeves and carburetor for tight-
ness.
Engine overheats
Coolant level low in cooling system
–
Check the cooling system for leaks.
–
Check the coolant level. (
Insufficient airflow
–
Switch off engine when stationary.
Radiator fins very dirty
–
Clean radiator fins.
Foam formation in cooling system
–
Drain the coolant.
–
Refill the coolant.
Bent radiator hose
–
Change the radiator hose.
x
Thermostat defective
–
Check the thermostat.
x
Guideline
Opening temperature: 70 °C (158 °F)
Defect in radiator fan system
(EXC
‑
F SIX DAYS, XCF
‑
W SIX DAYS)
–
Check the radiator fan fuse.
–
Check the radiator fan.
x
–
Check the thermostat.
x
High oil consumption
Engine vent hose bent
–
Route the vent hose without bends or replace it
if necessary.
Engine oil level too high
–
Check the engine oil level. (
Engine oil too thin (low viscosity)
–
Change the engine oil and oil filter, clean the
oil screen.
x
Piston or cylinder is worn
–
Piston/cylinder - determine the mounting clear-
ance
x
Battery discharged
Battery is not charged by alternator
–
Check the charging voltage.
x
–
Alternator - check the light and battery wind-
ing.
x
Undesired power consumer
–
Check the closed current.
x
Speedometer values deleted (time,
stop watch, lap times)
The battery in the speedometer is
discharged
–
Change the speedometer battery. (
Содержание 250 EXC-F AUS
Страница 2: ......
Страница 77: ...WHEELS TIRES 75 Torque wrench with various accessories in set 58429094000 ...
Страница 86: ...COOLING SYSTEM 84 Refit the radiator cap Make a short test ride Check the coolant level p 82 ...
Страница 110: ...SUBSTANCES 108 Super unleaded ROZ 95 RON 95 PON 91 According to DIN EN 228 ROZ 95 RON 95 PON 91 ...
Страница 117: ... 3211689en 3211689en KTM Sportmotorcycle AG 5230 Mattighofen Austria http www ktm com 09 2010 Photo Mitterbauer ...