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.
6.
Reinstallthe drain plugand tightenit securely.
Refillwith the recommended oil and checkthe oil level.See
Recommended Oil Usagechart.Theengine'soil capacityis 37
ounces.
i
u
[
(%-40 °-20 o 0o 200 400
("c)
-300 -200 -10° 0°
DO NOTuse nondetergent o il or 2-strokeengineoil. It could shorten
the engine'sservicelife.
Oil Drain
Plug
7.
Reinstallthe oil fillercap/dipsticksecurely.
Figure19
Thoroughlywashyour handswith soap andwater as soonas
possibleafter handling usedoil.
Checking
Spark
Plug
DO NOTcheckfor sparkwith spark plug removed.DO NOTcrank
engine with sparkplug removed.
If the enginehas been running,the mufflerwill be very hot. Be careful
notto touch the muffler.
NOTE: Checkthe sparkplug oncea seasonor every 25 hoursof
operation.Changethe sparkplug oncea seasonor every 100hours.
Toensureproperengine operation,the sparkplug mustbe properly
gappedand freeof deposits.
1.
Removethespark plug bootand use a sparkplug wrenchto
removethe plug.See Figure20.
2.
Visuallyinspectthe spark plug.Discardthe spark plug if thereis
apparentwear,or if the insulatoris crackedor chipped.Cleanthe
sparkplug with a wirebrush if it is to be reused.
3.
Measurethe plug gap with a feelergauge.Correctas necessary
by bendingsideelectrode.See Figure21.The gap shouldbe set
to .02-.03inches(0.60-0.80ram).
4.
Checkthatthe sparkplug washeris in good conditionand thread
the sparkplug in by handto preventcross-threading.
5.
After thespark plug is seated,tightenwith a spark plugwrenchto
compressthe washer.
NOTE:Wheninstallinga newspark plug,tighten 1/2-turn after the
sparkplug seatsto compressthe washer.Whenreinstalling a used
sparkplug,tighten 1/8-to 1/4-turn after the sparkplug seatsto
compressthe washer.
19
Spark Plug
O
J
Figure20
Electrode
.02-.03 in.
{0.60-0.80 ram)
Figure21
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