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.
6.
Reinstallthe drain plugand tightenit securely.
Refillwiththe recommendedoil andcheckthe oil level.See
RecommendedOil Usagechart.Theengine'soil capacityis 37
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.
Figure19
Thoroughlywashyour handswith soap andwater as soonas
possibleafterhandling usedoil.
Checking Spark Plug
DO NOTcheckfor sparkwithsparkplugremoved.DO NOTcrank
enginewithsparkplug removed.
Ifthe enginehas beenrunning,the mufflerwill bevery hot.Becareful
notto touchthe muffler.
NOTE: Checkthe sparkplugoncea seasonor every 25 hoursof
operation.Changethe sparkplug oncea seasonor every100hours.
Toensureproperengineoperation,the sparkplugmustbe properly
gappedandfreeof deposits.
1. Removethespark plug bootand use a sparkplugwrenchto
removethe plug.See Figure20.
2. Visuallyinspectthe sparkplug.Discardthe spark plug if thereis
apparentwear,or if the insulatoris crackedor chipped.Cleanthe
sparkplugwitha wirebrush if it is to be reused.
3. Measurethe plug gap with a feelergauge.Correctas necessary
by bendingsideelectrode.See Figure21.The gapshouldbeset
to .02-.03inches(0.60-0.80ram).
4. Checkthatthe sparkplugwasheris ingoodconditionandthread
the sparkplugin by handto preventcross-threading.
5. Afterthesparkplugis seated,tightenwitha sparkplugwrenchto
compressthe washer.
NOTE:Wheninstallinga newspark plug,tighten 1/2-turnafter the
sparkplugseatsto compressthe washer.Whenreinstallinga used
sparkplug,tighten1/8-to 1/4-turnafterthe sparkplugseatsto
compressthe washer.
19
Spark Plug
O
J
Figure20
Electrode
.02-.03 in.
{0.60-0.80 ram)
Figure21
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