Ignition System Inspection - KSR Moto TRIGGER 50 Repair Manual

ELECTRICAL SYSTEM/ IGNITION SYSTEM

IGNITION SYSTEM INSPECTION

NOTE
When there is no spark from the spark plug, check if compo-
nents of wiring are loosened or badly connected and make sure
if all the voltage values are normal.
There are many brands of multimeters (1) with different interior
impedance. The values they measured may not be exactly the
same.
PRIMARY VOLTAGE OF IGNITION COIL
If an old spark plug is removed and replaced with a good one,
make sure the plug is tighten correctly.
! WARNING
Inspect when spark plug is installed on the cylinder head and
compression pressure is normal.
NOTE
Voltage of ignition coil cannot be measured.
Function of Ignition coil can be tested in the following way:
1. Remove the spark plug from the cylinder head.
2. Remove the spark plug cap from ignition coil.
3. Connect the dynamic spark tester between ignition cable
and engine ground (-)
4. Press the start button and check the ignition spark gap.
5. Spark gap at a good working ignition system should reach
~15mm.
! WARNING
Please do not touch the metal parts with your fingers while
measuring the voltage, or you will be shocked. Please take
care.
TRIGGER (PICK UP)
Inspect when spark plug is installed on the cylinder head and
compression pressure is normal.
1. Disconnect the pick up cable from the main wire.
2. Disconnect the clamp (1) to ease the measurement.
3. Connect the multimeter to the pick up cable
Positive (+) to blue/white and negative (-) black cable
4. Set multimeter to alternating current
5. Turn on the ignition and press the start button.
Minimum voltage should be above 1.7 V
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