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.
6.
Reinstallthe drain plugandtightenit securely.
Refillwiththe recommendedoil andcheckthe oil level.See
RecommendedOil Usagechart.Theengine'soil capacityis 20
ounces.
i u
[
(%-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 oilfillercap/dipsticksecurely.
Figure18
Thoroughlywashyour handswith soap andwateras soonas
possibleafterhandling usedoil.
Checking Spark Plug
DO NOTcheckfor sparkwithspark plugremoved.DO NOTcrank
enginewith sparkplug removed.
Ifthe enginehas been running,the mufflerwill bevery hot. Becareful
notto touchthe muffler.
NOTE: Checkthe sparkplugoncea seasonor every25 hoursof
operation.Changethe sparkplugoncea seasonor every 100hours.
Toensureproperengineoperation,the sparkplug mustbe properly
gappedandfreeof deposits.
1. Removethespark plugbootand use a sparkplugwrenchto
removethe plug.See Figure19.
2. Visuallyinspectthe sparkplug.Discardthe sparkplug if thereis
apparentwear,or if the insulatoris crackedor chipped.Cleanthe
sparkplugwith a wirebrush if it is to be reused.
3. Measurethe pluggapwitha feelergauge.Correctas necessary
by bendingsideelectrode.See Figure20. Thegap shouldbe set
to .02-.03inches(0.60-0.80ram).
4. Checkthatthe sparkplugwasheris ingood conditionandthread
the sparkplugin by handto preventcross-threading.
5. Afterthesparkplug is seated,tightenwith a sparkplugwrenchto
compressthe washer.
NOTE:Wheninstallinga newsparkplug,tighten 1/2-turnafter the
sparkplugseatsto compressthe washer.Whenreinstallinga used
sparkplug,tighten1/8-to 1/4-turnafter the sparkplugseatsto
compressthe washer.
19
Spark Plug
O
J
Figure19
Electrode
.02-.03 in.
{0.60-0.80 ram)
Figure20
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