Ignition System; Ignition System Peak Voltage Inspection - Suzuki RM125 Owner's Service Manual

13-6 ELECTRICAL SYSTEM
Step 8
1) Measure the exciter coil and charge coil resistance. (13-7)
Is the exciter coil and charge coil OK?
YES Faulty CDI
NO Faulty magneto

IGNITION SYSTEM

IGNITION SYSTEM PEAK VOLTAGE
INSPECTION
• Remove the seat and fuel tank. (5-3)
• Remove the spark plug.
• Disconnect the magneto lead wire coupler 1.
Measure the ignition system peak voltage in the following proce-
dure:
• Connect the multi circuit tester with peak volt adaptor as fol-
lows. (See table below.)
• Measure the highest peak voltage by depressing the kick
starter lever several times forcefully.

+ Black/Red – - Red/White
Exciter
+ Red – - Green
Pick-up
+ Yellow – - Black/White
Charge
 09900-25008: Multi circuit tester set
 Tester knob indication: Voltage ()
• Connect the magneto lead wire coupler and disconnect the
ignition coil lead wire coupler 2.
• Connect the multi circuit tester with peak volt adaptor
between Black/White lead wire and White/Blue lead wire.
• Measure the highest peak voltage by depressing the kick
starter lever several times forcefully.

+ Black/White – - White/Blue
NOTE:
Be sure the Red probe pin to connected to the Black/White lead
wire and Black probe pin to the White/Blue lead wire.
25 V and more
2 V and more
8 V and more
200 V and more
B/R
Y
R/W
G
B/W R
B/W
W/BI