Operator's Manual

2.ShiftthegroundspeedintoNeutral(model70185
only).
3.Settheparkingbrake.
4.Stoptheengineandwaitforallmovingpartstostop.
5.Removetheignitionkey.
6.Reachunderthebodyofthemachineabovetheleft
rearwheelanddisconnectthewirefromthespark
plug(
Figure26).
Figure26
1.Spark-plugwire2.Sparkplug
7.Cleanaroundthesparkplugtopreventdirtfrom
fallingintotheengineandpotentiallycausing
damage.
8.Removethesparkplugandmetalwasher.
CheckingtheSparkPlug
1.Lookatthecenterofthesparkplug(Figure27).
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeansthattheaircleanerisdirty.
Figure27
1.Centerelectrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
Important:Donotcleanthesparkplug.Always
replacethesparkplugwhenithasablack
coating,wornelectrodes,anoilylm,orcracks.
2.Checkthegapbetweenthecenterandsideelectrodes
(
Figure27)andbendthesideelectrodeifthegap
isnotcorrect.
InstallingtheSparkPlug
1.Installthesparkplugandmetalwasher.
Note:Ensurethattheairgapissetcorrectly.
2.Tightenthesparkplugto20N-m.
3.Connectthewiretothesparkplug(
Figure26).
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