Operator's Manual

B
A
C
D
E
F
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Figure24
6.Addoiltothemachinesothattheoillevelreachesthe
“Full”markonthedipstick.
ServicingtheSparkPlug
ServiceInterval:Every50hours—Checkthesparkplug.
Every100hours—Replacethesparkplug.
Ensurethattheairgapbetweenthecenterandsideelectrodes
iscorrectbeforeinstallingthesparkplug.Useasparkplug
wrenchforremovingandinstallingthesparkpluganda
gappingtoolorfeelergaugetocheckandadjusttheairgap.
Installanewsparkplugifnecessary.
Type:Champion
®
RC12YC,Autolite
®
3924,
orNGK
®
BPR6ES
AirGap:0.76mm(0.030inch)
RemovingtheSparkPlug
1.Parkthemachineonalevelsurface,shutofftheengine,
andremovethekeyfromtheignitionswitch.
2.Beforeremovingthesparkplug(s),cleanthearea
aroundthebaseoftheplugtokeepdirtanddebrisout
oftheengine.
3.Removethesparkplug(Figure25).
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A
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Figure25
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).Always
replacethesparkplug(s)whenithas:ablackcoating,
wornelectrodes,anoilylm,orcracks.
Note:Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingontheinsulator
usuallymeanstheaircleanerisdirty.
Setthegapto0.76mm(0.030inch).
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A
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Figure26
21