EngineMaintenance
ServicingtheAirFilter
ServiceInterval:Beforeeachuseordaily—Check
theairlter.
Every20hours—Cleantheairlter.(Clean
dailyinextremelydustyconditions.)
Every20hours—Replacetheairlter.
Yearly—Replacetheairlter.
1.MovethechokelevertotheCHOKEposition.
2.Squeezethelatchtabsandrotatetheairlter
coveroffthemachine.
g335328
Figure17
1.Airltercover3.Filter-reinforcementplate
2.Foamlterelement4.Latchtab(2)
3.Removeandinspectthefoamlterelement.
Important:Replacethefoamelementifit
istornorworn.
4.Washthefoamelementinliquidsoapand
warmwater.Whentheelementisclean,rinse
itthoroughly.
Important:Donottwistthefoamelement
whilecleaningit.
5.Drytheelementbysqueezingitinacleancloth.
6.Dipthefoamelementincleanengineoil(30or
40weight),thensqueezeouttheexcessoil.
7.Installthelteroverthelter-reinforcement
plate.Pressthefoamlterevenlyovertheplate
toensureitisfullyseatedintoitssealedposition.
8.Installtheairltercover.Ensurethatitsnaps
intoplaceandissecuredbythelatchtabs.
ServicingtheSparkPlug
ServiceInterval:Every20hours—Check,clean,and
gapthesparkplug.
Yearly—Replacethesparkplug.
Ensurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.
Useasparkplugwrenchforremovingandinstalling
thesparkplug(s)andagappingtool/feelergaugeto
checkandadjusttheairgap.Installanewspark
plug(s)ifnecessary.
Type:TorchL7RTC,ChampionRCJ8Y ,orequivalent
Airgap:0.71mm(0.028inch)
RemovingtheSparkPlug
1.Disconnectthespark-plugwirefromthespark
plug.
g335329
Figure18
1.Spark-plugwire
2.Cleanaroundthesparkplugstopreventdirt
fromenteringtheengineandpotentiallycausing
damage.
3.Removethesparkplug.
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