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Spark Plug u Checking Spark Plug
62
Maintenance
9.
Tighten the spark plug:
● If the old plug is good:
1/8 turn after it seats
● If installing a new plug, tighten it twice
to prevent loosening:
10.
Reinstall the spark plug cap. Take care to
avoid pinching any cables or wires.
11.
Install the cylinder head side cover.
a) First, tighten the plug:
NGK: 3/4 turn after it seats.
DENSO: 1/2 turn after it seats.
b)Then loosen the plug.
c) Next, tighten the plug again:
1/8 turn after it seats.
NOTICE
Improperly tightened spark plugs 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.
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