15-14 ELECTRICAL SYSTEM
• Insert the needle pointed probe A to the lead wire coupler.
NOTE:
Use the special tool (needle-point probe), to prevent the rubber
of the water proof coupler from damage.
• Measure the ignition coil primary peak voltage by depressing
the kick starter lever several times forcefully.
B Peak volt adaptor
Ignition coil primary peak voltage
09900-25008: Multi circuit tester set
09900-25009: Needle-point probe set
Tester knob indication: Voltage ()
If the peak voltage is lower than the standard range, check the
ignition coil/plug cap as follow.
B Peak volt adaptor E To engine stop switch
C ECM F New spark plug
D Ignition coil
IGNITION COIL/PLUG CAP INSPECTION
• Remove the seat, radiator covers and fuel tank.
(5-2, 13-2, -3)
• Disconnect the ignition coil/plug cap lead wire coupler, and
then remove the ignition coil/plug cap. (2-7)
• Measure the ignition coil/plug cap resistance.
Ignition coil/plug cap resistance
09900-25008: Multi circuit tester set
Tester knob indication: Resistance (Ω)
If the resistance is not within the standard range, replace the
ignition coil/plug cap with a new one.
Do not touch the tester probes and spark plugs to pre-
vent an electric shock while testing.
+ Ground – - White/Blue 175 V and more
Primary + terminal – - terminal
0.01 – 0.11 Ω at
20 °C (68 °F )
Secondary Plug cap – + terminal
4.5 – 6.9 kΩ at
20 °C (68 °F )
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