Operator's Manual

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Figure49
InstallingtheSparkPlug
Important:Ensurethatthegapbetweentheside
andcenterelectrodesiscorrectbeforeinstalling
thesparkplug.
1.Threadthesparkplugclockwiseintothe
spark-plugholebyhand.
Note:Avoidcross-threadingthesparkplugwith
thethreadsofthespark-plughole.
2.Rotatethesparkplugclockwiseusinga21mm
(13/16inch)spark-plugwrenchuntiltheplug
andsealingwasherareseated(Figure48).
3.Tightenthesparkplugasfollows:
•Wheninstallinganin-servicesparkplug,
tightenthepluganadditional1/8to1/4turn.
•Wheninstallinganewsparkplug,tightenthe
pluganadditional1/2turn.
Important:Aloosesparkplugmaycause
thecylindertooverheat.Anover-tightspark
plugmaydamagethethreadsinthecylinder
head.
4.Pushthespark-plugwireontotheterminalofthe
sparkplug(Figure47).
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