Fault Diagnosis - KSR Moto TRIGGER 50 Repair Manual

ELECTRICAL SYSTEM/ STARTING SYSTEM

FAULT DIAGNOSIS

FAILURE
Unable to start up
Rotating force of starter motor too
weak
No force of starter motor
STARTING MOTOR
! WARNING
Before removing starting motor (1), the ignition switch must be
set at "OFF" position. Disconnect battery grounding wire and then
turn on the power supply to check if starting motor runs to confirm
your operation is safe.
Disconnect the starter wire (2).
Remove the starter motor as described in the part for engine
disassembling in this manual (page 66).
STARTING MOTOR INSPECTION
1. Disassemble the starter (1).
2. Connect a full charged battery (2) to the starter motor and
check for operation.
If the starter does not operate correct -> replace the starter
motor.
3. Check the starter shaft. If it's worn replace the starter motor.
4. Install starter back in engine.
STARTING RELAY ACTUATION INSPECTION
1. Disassemble related cover parts.
2. Turn on the main switch, check the Engine "stop switch" is
turned on too and press the start button.
-> No action:
Inspect the start relay (1) – replace if necessary.
NOTE
Before doing further tests with the start relay disconnect the
starter cable from starter motor and make sure the cable does not
touch the engine or any frame part.
CAUSE
Fuse blown
Power shortage in battery
Bad acts of main switch
Bad act of startup clutch
Bad act of brake switch
Bad act of start relay
Poor contact of connecting wire
Bad act of starter motor
Power shortage in battery or battery empty
Poor contact of connecting wire
Gear of the starter motor jammed with foreign
body.
Bad act of startup clutch
Reverse revolution of starter motor
Power shortage in battery or battery empty
TO DO
Replace fuse
Replace battery
Check and replace
Check and repair - replace if nessecary
Check and replace
Check and replace
Check and repair
Check and replace
Replace or charge
Check and repair
Check and repair
Check and repair
Replace
Replace or charge
1
2
1
(-)
2
1
127
(+)