Honda 1986 GoldWing GL1200A Manual page 39

IIII~
Follow the troubleshooting sequence given here if the engine does not start. If the engine starts but runs poorly,
check ignition timing (see page 7·5).
WARNING: Observe the following when
performing a spark test·
• Keep open flames or sparks away from
the work area.
• Purge the cylinder of residual gasoline
by cranking 2 or 3 seconds with the
engine stop switch and fuel valve OFF.
NOTES:
• Before beginning be sure that the battery is
fully charged and all wires and cables are connected
properly.
• Each pair of spark plugs (1 ·2, 3-4) has its own ignition circuit.
• Faulty plug.
No Spark at One
Pair of Plugs
(1-2) or (3-4)
Engine does not start or Is hard to start.
No Spark at
r---------------...,
All Plugs
SPARK TEST: Remove spark plugs and
1-------------- •
Go to CFI
check for spark at each cylinder. Troubleshooting,
"Fuel system indicator
does not light"
(page 10·7).
L...---r---------------'
No Spark at
One Plug
PLUG CAPS AND LEADS: Measure
resistance between caps of faulty pair.
Abnormal
1---------------- •
Faulty cap.
• Faulty lead.
• Faulty ignition coil.
24 :: 3.9 K Ohms
SPARK UNITS: Change coupler connec-
tions between spark units (1-2) and (3-4).
Retest.
"No Spark" Changes
to Other Pair
1 - - - - - - - - - - - - - - . .
Faulty spark unit.
No Spark to
Same Pair
(cont'd)
7·3