ELECTRICAL SYSTEM 8-21
• Repeat the above procedure a few times and measure the
highest pickup coil peak voltage.
Tester knob indication: Voltage ()
Pickup coil peak voltage: More than 4.0 V
If the peak voltage measured on the CDI unit coupler is lower
than the standard value, measure the peak voltage on the gen-
erator coupler as follows.
• Remove the fuel tank left side cover. (7-5)
• Disconnect the generator coupler 1 and connect the multi cir-
cuit tester with the peak volt adaptor as follows.
Pickup coil: + Probe...Green/White lead wire
- Probe...Black/Yellow lead wire
Measure the pickup coil peak voltage in the same manner as on
the CDI unit coupler.
Tester knob indication: Voltage ()
Pickup coil peak voltage: More than 4.0 V
If the peak voltage on the generator coupler is within the specifi-
cation, but on the CDI unit coupler is not within specification,
replace the wire harness with a new one. If both peak voltages
are out of specification, replace the generator with a new one.
PICKUP COIL RESISTANCE
• Remove the fuel tank left side cover. (7-5)
• Disconnect the generator coupler 1.
Measure the resistance between the lead wires using the multi
circuit tester. If the resistance is not within the spcified value,
stator coil must be replaced.
09900-25008: Multi circuit tester set
Tester knob indication: Resistance (Ω)
Pickup coil resistance: 80 – 155 Ω (B/Y – G/W)
B/Y
G/W
Generator
Pickup coil
Peak volt adaptor
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