Suzuki FL125S, Service Manual

Page: 222 / 399

6-22 ELECTRICAL SYSTEM
INSPECTION
IGNITION COIL PRIMARY PEAK VOLTAGE
• Remove the leg shield. (
$
5-6)
• Disconnect the spark plug cap
1
.
• Connect a new spark plug
2
to the spark plug cap and
ground it to the cylinder head cover.
NOTE:
Make sure that the spark plug cap and spark plug are connected
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.
+
Probe: Black/White lead wire
-
Probe: White/Blue lead wire
NOTE:
Do not disconnect the ignition coil lead wires.
&
09900-25008: Multi-circuit tester set
#
• Turn the ignition switch to the “ON” position.
• Press the starter button and allow the engine to crank for a
few seconds, and then measure the ignition coil primary peak
voltage.
• Repeat the above procedure a few times and measure the
highest ignition coil primary peak voltage.
3
Tester knob indication: Voltage (
2
)
%
Ignition coil primary peak voltage: 150 V or more
!
If the voltage is lower than the specified values, inspect the igni-
tion coil. (
$
6-23)
Before using the multi-circuit tester and peak volt
adaptor, be sure to refer to the appropriate instruction
manual.
CDI
unit
New
spark plug
Peak volt adaptor
B / W
W / BI
While testing, do not touch the tester probes or spark
plug to prevent receiving an electric shock.