ReplacingtheSparkPlug
ServiceInterval:Every100hours—Replacethesparkplug.
WARNING
Replacingthesparkplugwhiletheengineishot
canresultinburns.
Waituntiltheengineiscooltoreplacethespark
plug.
UseaTorosparkplugorequivalent(Champion®RN9YCor
NGKBPR6ES).
1.Removetheboot(Figure55).
Figure55
1.Sparkplugboot
2.Cleanaroundthebaseofthesparkplug.
Figure56
3.Removeanddiscardtheoldsparkplug.
Note:Youwillneedaratchetwrenchextensionto
removethesparkplug.
4.Setthegapbetweentheelectrodesonanewsparkplug
at0.76mm(0.030inch)asshowninFigure57.
Figure57
1.0.76mm(0.030inch)
5.Installthenewsparkplug,tightenitrmly,andattach
theignitionwiretothesparkplug.
Note:Ensuretheignitionwiresnapscompletelyinto
placeonthesparkplug.
AdjustingtheDischargeChute
Latch
Ifthedischargechutedoesnotlockintothedesiredposition
ordoesnotunlocksothatyoucanmoveittoanother
position,adjustthedischargechutelatch.
1.Removethefasteneronthegearcover(Figure58),lift
thefrontofthecoverup,andslideitbackandoutof
theway.
Figure58
2.Loosentheboltonthecableclamp(Figure59).
Figure59
1.Cableconduit2.Cableclamp
3.Graspthecableconduitandmoveittowardthefront
ofthemachineuntilthedischargechutelatchfully
engagesthegearteeth(Figure59andFigure60).
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