TROUBLESHOOTING
154
Faults
Possible cause
Action
Engine has no idle.
Ignition system defective
–
Check the spark plug connector.
x
–
Check the ignition coil.
x
–
Check the ignition pulse generator.
x
–
Check the alternator.
x
–
Check the CDI controller.
x
Engine stalls or is backfiring into the
carburetor.
Lack of fuel
–
Turn the handle
of the fuel tap to
ON
.
–
Fill up with fuel. (
Intake system air leak
–
Check rubber sleeves and carburetor for tight-
ness.
Loose contact or oxidized connector
–
Check the electrical system.
–
Clean the plug-in connector and treat it with con-
tact spray.
Engine overheats.
Coolant level low
–
Check the cooling system for leakage.
–
Check the coolant level. (
Radiator fins excessively dirty
–
Clean radiator fins.
Foam formation in cooling system
–
Drain the coolant.
x
–
Fill coolant/bleed the cooling system.
x
Bent radiator hose
–
Change the radiator hose.
x
Thermostat defective
–
Check the thermostat.
x
Radiator fan system faulty
–
Check the radiator fan system.
x
Engine has a lack of power
Fuel supply interrupted
–
Check the fuel tank breather.
–
Clean the fuel tap.
–
Check/adjust the carburetor components.
x
Summary of Contents for 450 SX ATV
Page 1: ...OWNER S MANUAL 2010 450 SX ATV 505 SX ATV Art no 3211488en ...
Page 2: ......
Page 8: ...TABLE OF CONTENTS 6 INDEX 183 ...
Page 14: ...VIEW OF VEHICLE 12 3 1 View of the vehicle from the left front example 301769 10 ...
Page 16: ...VIEW OF VEHICLE 14 3 2 View of the vehicle from the right rear example 301770 10 ...