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.
6.
Reinstallthe drainplugandtightenit 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. Itcould shorten
the engine'sservicelife.
Oil Drain
Plug
7. Reinstallthe oilfillercap/dipsticksecurely.
Figure21
Thoroughlywashyour handswithsoap andwater as soonas
possibleafterhandling usedoil.
Checking Spark Plug
DO NOTcheckfor sparkwithsparkplugremoved.DO NOTcrank
enginewith sparkplug removed.
Ifthe enginehas beenrunning,the mufflerwill bevery hot. Be careful
notto touchthe muffler.
NOTE: Checkthe sparkplugoncea seasonor every 25 hoursof
operation.Changethe sparkplugoncea seasonor every 100hours.
Toensureproperengineoperation,the sparkplug mustbe properly
gappedandfreeof deposits.
1. Removethesparkplug bootand use a sparkplug wrenchto
removethe plug.See Figure22.
2. Visuallyinspectthe sparkplug.Discardthe sparkplugif thereis
apparentwear,orif the insulatoris crackedor chipped.Cleanthe
sparkplugwith a wirebrush if it is to be reused.
3. Measurethe pluggapwitha feelergauge.Correctas necessary
by bendingsideelectrode.SeeFigure23. Thegap shouldbe set
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 newsparkplug,tighten1/2-turnafter the
sparkplugseatsto compressthe washer.Whenreinstallinga used
sparkplug,tighten1/8-to 1/4-turnafter the sparkplug seatsto
compressthe washer.
19
Spark Plug
O
J
Figure22
Electrode
.02-.03 in.
{0.60-0.80 ram)
Figure23
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