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.
6.
Reinstallthe drainplugand tightenit securely.
Refillwiththe recommendedoil andcheckthe oil level.See
RecommendedOil Usagechart.Theengine'soil capacityis 20
ounces.
, ,
[
(%-40 °-20 o 0o 200 400
("c) -300 -200 -10° 0°
DO NOTuse nondetergentoilor 2-strokeengineoil. Itcould shorten
the engine'sservicelife.
Oil Drain
Plug
7. Reinstallthe oil fillercap/dipsticksecurely.
Figure18
Thoroughlywashyour handswithsoap andwateras soonas
possibleafterhandling usedoil.
Checking Spark Plug
DO NOTcheckfor sparkwithspark plug removed.DO NOTcrank
enginewith sparkplug removed.
Ifthe enginehas been running,the mufflerwill be very hot.Be careful
notto touch the muffler.
NOTE: Checkthe sparkplug oncea seasonorevery 25 hoursof
operation.Changethe sparkplugoncea seasonor every100hours.
Toensureproperengineoperation,the sparkplugmustbe properly
gappedandfreeof deposits.
1. Removethesparkplug bootand use a sparkplugwrenchto
removethe plug.See Figure19.
2. Visuallyinspectthe spark plug.Discardthe spark plugif thereis
apparentwear,or if the insulatoris crackedor chipped.Cleanthe
sparkplugwith a wirebrush if it is to be reused.
3. Measurethe pluggap with a feelergauge.Correctas necessary
by bendingsideelectrode.SeeFigure20. Thegap shouldbe set
to .02-.03inches(0.60-0.80ram).
4. Checkthatthe sparkplug washeris ingood conditionandthread
the sparkplug in by handto preventcross-threading.
5. After thespark plugis seated,tightenwitha sparkplugwrenchto
compressthe washer.
NOTE:Wheninstallinga newsparkplug,tighten1/2-turnafter the
sparkplugseatsto compressthe washer.Whenreinstallinga used
sparkplug,tighten1/8-to 1/4-turnafter the sparkplugseatsto
compressthe washer.
19
Spark Plug
O
J
SparkPlug Boot
Figure19
Electrode
.02=.03 in.
(0.60-0.80 ram)
Figure20
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