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.
6.
Reinstallthe drain plugand tightenit securely.
Refillwiththe recommendedoil and checkthe 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. It could shorten
the engine'sservicelife.
Oil Drain
Plug
7. Reinstallthe oil fillercap/dipsticksecurely.
Figure18
Thoroughlywashyour handswith soap andwateras 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 sparkplugoncea seasonor every 100hours.
Toensureproperengine operation,the sparkplug mustbe properly
gappedandfreeof deposits.
1. Removethesparkplugbootanduse a sparkplugwrenchto
removethe plug.See Figure19.
2. Visuallyinspectthe sparkplug.Discardthe sparkplugif 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 Figure20. Thegap shouldbe set
to .02-.03inches(0.60-0.80ram).
4. Checkthatthe sparkplugwasheris ingoodconditionandthread
the sparkplugin by handto preventcross-threading.
5. Afterthesparkplugis seated,tightenwith a spark plugwrenchto
compressthe washer.
NOTE:Wheninstallinga newsparkplug,tighten 1/2-turnafter the
sparkplugseatsto compressthe washer.Whenreinstallinga used
sparkplug,tighten1/8-to 1/4-turnafter the sparkplug seatsto
compressthe washer.
19
Spark Plug
O
J
Figure19
Electrode
.02-.03 in.
{0.60-0.80 ram)
Figure20
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