Honda 1998 VT750C Service Manual page 374

When servicing the front ignition coil:
- Remove the fuel tank (page 2-4).
When servicing the rear ignition coil:
- Remove the right side cover (page 2-4).
Do not disconnect
Connect the peak voltage adaptor or Imrie tester to
the ignition coil
the ignition coil primary terminal.
primary wires.
TOOLS:
Imrie diagnostic tester (model 625) or
Peak voltage adapter 07HGJ - 0020100 with
Commercially available digital multimeter (-) PROBE
(impedance 10MQ/DCV minimum)
CONNECTION:
Front ignition coil:
Blue/Yellow
(+) -
Body ground (-)
Rear ignition coil:
Yellow/Blue
(+) -
Body ground (-)
mI!IIIIl-- _
A void touching the spark plugs and tester probes
to
prevent electric shock.
Turn the ignition switch "ON" and engine stop
switch to "RUN".
Check for initial battery voltage.
If battery voltage is not present, follow the checks
described in the troubleshooting on page 17-3.
Shift the transmission into neutral.
Crank the engine with the starter motor and read
each ignition coil primary voltage.
PEAK VOLTAGE: 100 V minimum
NOTE:
Although measured values are different for each
ignition coil, they are normal as long as the voltage
is higher than the standard value.
If the peak voltage is lower than the standard value,
follow the checks described in the troubleshooting
on page 17-3.
IGNITION SYSTEM
IGNITION COIL
00
PEAK VOLTAGE ADAPTER
17-5