8-18 ELECTRICAL SYSTEM
Peak volt
adaptor
Ignitor
IG coil
To engine
stop switch
INSPECTION
IGNITION COIL PRIMARY PEAK VOLTAGE
• Remove the fuel tank. (&5-3)
• Disconnect the two spark plug caps.
• Connect the new spark plugs to the each spark plug cap and
ground them on the cylinder head.
NOTE:
Make sure that the each spark plug cap and spark plug are con-
nected properly.
Measure the ignition coil primary peak voltage using the multi
circuit tester in the following procedure.
• Connect the multi circuit tester with the peak volt adaptor as
follows.
No.1 ignition coil + Probe: White lead wire connector
- Probe: Ground
No.2 ignition coil + Probe: Black/Yellow lead wire connector
- Probe: Ground
NOTE:
Do not disconnect the ignition coil primary lead wires.
" 09900-25008: Multi circuit tester set
!
Before using the multi circuit tester and peak vol adap-
tor, be sure to refer to the appropriate instruction manual.
• Shift the transmission into neutral, and then turn the ignition
switch to the “ON” position.
• Pull the clutch lever.
• Press the starter button and allow the engine to crank for a few
seconds, and then measure the ignition coil primary peak volt-
age.
• Repeat the above procedure a few times and measure the high-
est ignition coil primary peak voltage.
' Tester knob indication: vol age (
(
()
# Ignition coil primary peak voltage: More than 200 V
)
While testing, do not touch the tester probes and spark
plugs to prevent receiving an electric shock.
If the peak voltage is lower than the specified values, inspect the
ignition coil. (&8-19)
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