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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 oil fillercap/dipsticksecurely.
Figure18
Thoroughlywashyour handswith soap andwater as soonas
possibleafterhandling usedoil.
Checking Spark Plug
DO NOTcheckfor sparkwithsparkplugremoved.DO NOTcrank
enginewith sparkplug removed.
Ifthe enginehas beenrunning,the mufflerwill be very hot. Be careful
notto touchthe muffler.
NOTE: Checkthe sparkplugoncea seasonorevery 25 hoursof
operation.Changethe sparkplug oncea seasonor every 100hours.
Toensureproperengineoperation,the sparkplug mustbe properly
gappedandfreeof deposits.
1. Removethespark plug bootand use a sparkplug wrenchto
removethe plug.See Figure19.
2. Visuallyinspectthe spark plug.Discardthe spark plug if thereis
apparentwear,or if the insulatoris crackedor chipped.Cleanthe
sparkplugwith a 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 sparkplug washeris in good conditionandthread
the sparkplugin by handto preventcross-threading.
5. After thespark plug is seated,tightenwitha sparkplugwrenchto
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 rnrn)
Figure20
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