ELECTRICAL SYSTEM 7-23
New spark
plug
Contact to
the cylinder head
INSPECTION
IGNITION COIL PRIMARY PEAK VOLTAGE
• Remove the air cleaner box. ( 4-61)
• Disconnect all the ignition coil/plug cap lead wire couplers be-
fore removing the ignition coil/plug caps.
• Remove all of the ignition coil/plug caps.
* Do not remove the ignition coil/plug cap before dis-
connecting the lead wire coupler, or the lead wire will
be damaged.
* Do not pry up the ignition coil/plug cap with a screw-
driver or a bar to avoid damage.
* Be careful not to drop the ignition coil/plug cap as it
may open or short in a circuit.
• Connect the new four spark plugs to each ignition coil/plug cap.
• Connect all the ignition coil/plug cap lead wire couplers to the
ignition coil/plug caps respectively, and ground them on the
cylinder head (each spark plug hole).
Avoid grounding the spark plugs and suppling the elec-
trical shock to the magnesium parts (cylinder head cover,
clutch cover, starter clutch cover, starter idle gear cover
and generator cover) to prevent the magnesium mate-
rial from damage.
NOTE:
Be sure that all couplers and spark plugs are connected prop-
erly and the battery used is in fully-charged condition.
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