6-22 ELECTRICAL SYSTEM
• Repeat the above procedure a few times and measure the
highest CKP sensor peak voltage.
W Tester knob indication: Voltage ()
CKP sensor peak voltage: 1.5 V and more
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 left footrest mudguard. (
5-5)
• Disconnect the generator coupler
2
and connect the
multi-circuit tester with the peak volt adaptor as follows.
CKP sensor:
+
Probe...Brown lead wire
-
Probe...Ground
Measure the CKP sensor peak voltage in the same manner as
on the CDI unit coupler.
W Tester knob indication: Voltage ()
CKP sensor peak voltage: 1.5 V and more
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 wiring harness with a new one. If both peak voltages
are not within specification, replace the generator coil with a new
one.
CKP SENSOR RESISTANCE
• Remove the left footrest mudguard. (
5-5)
• Disconnect the generator coupler
1
.
Measure the resistance with the multi-circuit tester. If the resis-
tance is not within the standard range, replace the generator
coil.
\ 09900-25008: Multi-circuit tester set
V Tester knob indication: Resistance (W)
CKP sensor resistance: 150 – 230
W
(Brown – Ground)
Peak volt adaptor
CKP
sensor
W/R Br
Generator
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