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157
Maintenance
Spark Plug
Changing Spark Plug
For the recommended spark plugs, see
“Specifications.”
2 P. 237, 239
Use only the recommended type of spark
plugs in the recommended heat range.
1.
Remove the left and right fog light
covers. 2 P. 155
2.
Remove the left and right cylinder head
side covers. 2 P. 154
3.
Disconnect the connectors from the
direct ignition coils.
4.
Remove the bolts and direct ignition
coils.
5.
Clean any dirt around the spark plug
bases.
6.
Remove the spark plugs using a suitable
spark plug wrench.
7.
Install new spark plugs. With the plug
washers attached, thread the spark
plugs in by hand to prevent cross-
threading.
8.
Tighten the spark plugs.
• Installing a new plug, tighten it twice
to prevent loosening:
a) First, tighten the plug:
1 turn after it seats.
b)Then loosen the plug.
c) Next, tighten the plug again:
1/8 turn after it seats.
9.
Install the parts in the reverse order of
removal.
u When reinstalling, make sure the wire
grommets are installed in place as
shown.
NOTICE
Using a spark plug with an improper heat range can
cause engine damage.
BoltDirect ignition coil
ConnectorSpark plug
NOTICE
An improperly tightened spark plug can damage the
engine. If a plug is too loose, a piston may be
damaged. If a plug is too tight, the threads may be
damaged.
Right side
Grommets
Left side
Grommet
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