2.Cleanthethreadsofthedrainplug,applyPTFE
sealant,andinstallthedrainplug(Figure34).
3.Removetheoillter(Figure34).
4.Applyalightcoatofcleanoiltothenewlter
gasket.
5.Screwthelteronbyhanduntilthegasket
contactsthelteradapter,thentightenit3/4to1
turnfurther.Donotovertightenit.
6.Addoiltothecrankcase;refertoEngineOil
Specication(page36)andCheckingthe
EngineOil(page36).
7.Disposeoftheoillterandusedoilproperly.
ReplacingtheSparkPlugs
ServiceInterval:Every800hours
Sparkplugspecication:ChampionRC14YC
Airgapspecication:0.76mm(0.030inch)
1.Cleantheareaaroundthesparkplugssothat
foreignmattercannotfallintothecylinder.
2.Pullthewiresoffthesparkplugsandremove
theplugs.
3.Checktheconditionofthesideelectrode,center
electrode,andcenterelectrodeinsulatorto
ensurethatthereisnodamage.
Important:Replaceacracked,fouled,dirty,
orotherwisemalfunctioningsparkplug.Do
notsandblast,scrape,orcleanelectrodes
byusingawirebrushbecausegritmay
eventuallyreleasefromtheplug,fallintothe
cylinder,anddamagetheengine.
4.Settheairgapbetweenthecenterandsideof
theelectrodesat0.76mm(0.030inches)as
showninFigure35.
g251456
Figure35
1.Setairgapto0.76mm(0.030inches).
5.Installthesparkplugandgasketseal,and
torquetheplugto23N∙m(200in-lb).
FuelSystem
Maintenance
ReplacingtheFuelFilter
ServiceInterval:Every800hours(soonerifthefuel
owisrestricted).
Thein-linefuellterisinthefuellinebetweenthefuel
tankandcarburetor(Figure36).
DANGER
Incertainconditions,fuelisextremely
ammableandhighlyexplosive.Areor
explosionfromfuelcanburnyouandothers
andcandamageproperty.
•Drainfuelfromthefueltankwhenthe
engineiscold.Dothisoutdoorsinanopen
area.Wipeupanyfuelthatspills.
•Neversmokewhendrainingfuel,andstay
awayfromanopenameorwhereaspark
mayignitethefumes.
1.Closethefuel-shutoffvalve(Figure36).
g005131
Figure36
1.Fuel-shutoffvalve2.Fuellter
2.Placeadrainpanunderthelter,loosenthe
hoseclamponthecarburetorsideoflter,and
removethefuellinefromthelter(Figure36).
3.Loosentheotherhoseclampandremovethe
lter(Figure36).
4.Installthenewlterwiththearrowonthelter
bodypointingawayfromthefueltank.
InspectingtheFuelLines
andConnections
ServiceInterval:Every2years
Inspectthefuellinesfordeterioration,damage,or
looseconnections.
37