Operator's Manual

todistributeoilthoroughly.Thefoamelement
shouldbedampwithoil.
8.Cleanthepaperelementbytappingthelterelement
severaltimesonahardsurfacetoremovethedirt.
Note:Neverbrushdirtofftheelementoruse
compressedairtoremovedirt;brushingforcesdirt
intothebersandcompressedairwilldamagethe
paperlter.
9.Installthefoamelement,thepaperelement,andthe
air-cleanercover.
Important:Donotoperatetheenginewithout
theair-cleanerelements,becauseextremeengine
wearanddamagewilllikelyresult.
ServicingtheSparkPlug
ServiceInterval:Every100hours—Check/adjustthespark
plug.
Every300hours—Replacethesparkplug.
Type:NGKBPR6ESsparkplugorequivalent
AirGap:0.70to0.80mm(0.028to0.031inch)
1.Disconnectthespark-plugwirefromthesparkplug
(Figure17).
1
G019905
Figure17
1.Spark-plugwire
2.Cleanaroundthesparkplug,andremovetheplugfrom
thecylinderhead.
Important:Replaceacracked,fouled,ordirty
sparkplug.Donotsandblast,scrape,orcleanthe
electrodes,becauseenginedamagecouldresult
fromgritenteringthecylinder.
3.Settheairgapto0.70to0.80mm(0.028to0.031inch)
(Figure18).
G019300
1 2
4
3
Figure18
1.Sideelectrode
3.Insulator
2.Centerelectrode4.0.70to0.80mm(0.028to
0.031inch)
4.Installthecorrectlygappedsparkplugcarefullyby
hand,toavoidcross-threading.
5.Afterthesparkplugisseated,tightenitwitha
spark-plugwrenchtocompressthesealingwasher.
•Wheninstallinganewsparkplug,tightenit1/2
turnafterthesparkplugseats,tocompressthe
washer.
•Wheninstallingtheoriginalsparkplug,tighten
it1/8to1/4turnafterthesparkplugseats,to
compressthewasher.
Note:Aloosesparkplugcanoverheatanddamage
theengine.Overtighteningthesparkplugcandamage
thethreadsinthecylinderhead.
6.Connectthespark-plugwiretothesparkplug.
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