9-22 ELECTRICAL SYSTEM
INSPECTION
IGNITION COIL PRIMARY PEAK VOLTAGE
• Remove the fuel tank. (6-3)
• Remove the frame head covers. (3-3)
• Disconnect the spark plug caps.
• Connect new spark plugs to each spark plug cap and ground
them to the cylinder head.
NOTE:
Make sure that all couplers and spark plugs are connected prop-
erly and the battery used is in fully-charged condition.
Measure the ignition coils primary peak voltage in the following
procedure.
• Connect the multi-circuit tester with peak voltage adaptor as
follows.
#1 ignition coil: + Probe: White terminal
- Probe: Ground
# 2 ignition coil: + Probe: Black/Yellow terminal
- Probe: Ground
NOTE:
Do not disconnect the ignition coil primary wire coupler.
09900-25008: Multi-circuit tester set
• Shift the transmission into neutral and turn ignition switch
“ON”.
• Pull the clutch lever.
• Crank the engine a few seconds with the starter motor by
depressing starter button and check the ignition coil primary
peak voltage.
• Repeat the above procedure a few times and measure the
highest ignition coil primary peak voltage. If the peak voltage
is lower than the specified values, inspect the ignition coil.
Ignition coil primary peak voltage: 205 V and more
Tester knob indication: Voltage ()
Before using the multi-circuit tester and peak volt
adaptor, be sure to refer to the appropriate instruction
manual.
Avoid touching the tester probes and spark plugs to
prevent an electric shock while testing.
ECM
Peak volt adaptor
W or B/Y
Ignition
coil
New
spark
plug
Battery
SAMPLE
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