Suzuki UF50 Service Manual page 135

IGNITION COIL RESISTANCE
Remove the footboard. (
Disconnect the ignition coil coupler 1.
Measure the ignition coil resistance in both the primary and sec-
ondary windings using the multi circuit tester. If the resistance in
both the primary and secondary windings is close to the speci-
fied values, the windings are in sound condition.
09900-25008: Multi circuit tester set
Tester knob indication: Resistance (Ω Ω Ω Ω Ω )
Ignition coil resistance
Primary: 0.2 – 1.5 Ω Ω Ω Ω Ω (W/Bl – B/W)
Secondary: 10 – 20 kΩ Ω Ω Ω Ω (B/W – spark plug cap)
PICKUP COIL PEAK VOLTAGE
Remove the trunk. (
NOTE:
Make sure that all of the couplers are connected properly and
the battery is fully charged.
Disconnect the CDI unit coil coupler 1.
Measure the pickup coil peak voltage in the following procedure.
Connect the multi circuit tester with the peak volt adaptor as
follows.
Brown (- Probe) – White (+ Probe)
09900-25008: Multi circuit tester set
Before using the multi circuit tester and peak volt adap-
tor, be sure to read the appropriate instruction manual.
Turn the ignition switch to the "ON" position.
Measure the pickup coil peak voltage while squeezing the front
or rear brake lever and pressing the starter button to turn the
engine for a few seconds.
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 5.0 V
If the peak voltage measured on the CDI unit coupler is lower
than the standard value, measure the peak voltage on the pickup
coil coupler as follows.
5-3)
5-4)
)
ELECTRICAL SYSTEM
1
Peak volt
Y/W
adaptor
W/R
+
W
W
Br
-
Br
Gererator
6-17
1