Suzuki DR-Z70 Service Manual page 164

IGNITION COIL RESISTANCE
• Remove the spark plug cap. (
• Disconnect the ignition coil lead wires 1 , 2 and remove the
ignition coil 3 .
Measure the ignition coil resistance in both the primary and sec-
ondary windings using the multi-circuit tester. If the resistance is
not within the specified value, replace the ignition coil.
09900-25008: Multi-circuit tester set
Tester knob indication: Resistance (Ω)
Ignition coil resistance
Primary: 0.1 – 0.8 Ω (+ Terminal – - Terminal)
Secondary: 13 – 20 kΩ (Plug cap – - Terminal)
PICK-UP COIL PEAK VOLTAGE
NOTE:
Make sure that all of the couplers are connected properly and
the battery is fully charged.
• Disconnect the generator coupler 1 .
Measure the pick-up coil peak voltage in the following proce-
dure.
• Connect the multi-circuit tester with the peak volt adaptor as
follows.
+ Probe: Black/Blue lead wire
- Probe: Ground
09900-25008: Multi-circuit tester set
Before using the multi-circuit tester and peak volt
adaptor, be sure to refer to the appropriate instruction
manual.
• Turn the ignition switch to the "ON" position.
• Push the starter button and allow the engine for a few sec-
onds, and then measure the pick-up coil peak voltage.
• Repeat the above procedure a few times and measure the
highest pick-up coil peak voltage.
Tester knob indication: Voltage (
Pick-up coil peak voltage: 1.2 V and more
If the peak voltage is within specification, check the continuity
between the pick-up coil coupler and CDI unit coupler.
6-18)
)
ELECTRICAL SYSTEM
generator
Peak volt
coupler
adaptor
B/Bl
Generator
6-19