Operator's Manual

CheckingtheSparkPlug
ServiceInterval:Every100hours/Every6months
(whichevercomesrst)
Every300hours/Yearly(whichevercomesrst)
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithas:a
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.70to0.80mm(0.28to0.031inch).
g206628
Figure28
InstallingtheSparkPlug
Tightenthesparkplug(s)to27N∙m(20ft-lb).
g027735
Figure29
FuelSystem
Maintenance
CleaningtheFuel-Sediment
Cup
ServiceInterval:Every100hours/Every6months
(whichevercomesrst)—Cleanthe
fuel-sedimentcup.
Yearlyorbeforestorage—Cleanthe
fuel-sedimentcup.
Underneaththefuelvalveisasedimentcuptocatch
dirtinthefuel.
1.Parkthemachineonalevelsurfaceandshut
offtheengine.
2.Allowtheenginetocool.
3.Disconnectthewirefromthesparkplug;referto
DisconnectingtheSpark-plugWire(page19).
4.MovetheleverofthefuelvalvetotheOFF
position,allthewaytotheleft(Figure30).
5.Unscrewthefuel-sedimentcup(Figure30).
6.RemoveandretainthefuellterandO-ring
(Figure30).
Note:DonotcleantheO-ringinsolvent.
g019333
Figure30
1.Fuelvalve—OFFposition3.Fuellter
2.O-ring
4.Fuel-sedimentcup
7.Cleanthefuellterandsedimentcupusinga
nonammablesolvent,anddryitcarefully.
8.WipetheO-ringwithaclean,drycloth.
9.Installthefuellterinthebottomofthe
carburetor(Figure30).
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