ServicingtheSparkPlug
ServiceInterval:Every100hours
UseanNGKBR6HSsparkplugorequivalent.The
correctairgapis0.6to0.7mm(0.024to0.028inch).
1.Pullthemoldedwireoffthesparkplug(Figure
38).
g018272
Figure38
1.Spark-plugwire
2.Cleanaroundthesparkplugandremovethe
plugfromthecylinderhead.
Important:Replaceacracked,fouled,or
dirtysparkplug.Donotsandblast,scrape,
orcleantheelectrodesbecauseengine
damagecouldresultfromgritenteringthe
cylinder.
3.Settheairgapat0.6to0.7mm(0.024to0.028
inch)asshowninFigure39.Installthecorrectly
gappedsparkplugandtightenitrmlyto23
N∙m(17ft-lb).
g016950
Figure39
1.Center-electrodeinsulator
3.Airgap—0.6to0.7mm
(0.024to0.028inch)
2.Sideelectrode
FuelSystem
Maintenance
CleaningtheFuel-Tank
Screen
ServiceInterval:Aftertherst20hours
Every100hours/Monthly(whichevercomes
rst)
1.Unscrewandremovethefuel-tankcapfromthe
fueltank(Figure40).
g016857
Figure40
1.Fuel-tankcap2.Fuel-tankscreen
2.Removethefuel-tankscreenfrominsidethe
fueltank.
3.Cleanthescreenincleanfuelandinstallitin
thetank.
4.Installthefuel-tankcaptothefueltank.
ReplacingtheFuelLine
ServiceInterval:Every1,000hours
Iffuelleaksfromthefuelline,replacetheline
immediately.
ReplacingtheBreather
Hose
Ifthebreatherhoseisdamaged,replaceit
immediately.
32