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5.
Tighten the spark plug:
● If the old plug is good:
1/5 turn after it seats
● If installing a new plug, tighten it twice
to prevent loosening:
a) First, tighten the plug:
NGK: 1/4 turn after it seats.
b)
Then loosen the plug.
c)
Next, tighten the plug again:
1/5 turn after it seats.
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.
6.
Install the parts in the reverse order of
removal.
u When reinstalling the spark plug caps,
take care to avoid pinching any cables
or wires.
20170830133037_31MGC6300_enc_BOOK Page 67 Wednesday, August 30 2017 13:36:27 JST
Spark Plug u Changing Spark Plug
Maintenance
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