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2. Chsckthat holes=A" ingovemorconbol
leverand hole in governorplate line-up.
If holes=A"are notaligned,loosendamp
screwand move throttlecableuntil holes
are aligned. Tightenclamp screw
securely.
Governor
GovernorControlLever ControlPlate
\
Holes
"A"
Clamp Screw Throttle
Cable
TO ADJUST CARBURETOR
NOTE: The carburetoron this engineis low
emissidn. It is equippedwithan idlefuel
adjustingneedle witha limitercap, which
allowssomeadjustment withinthe limits
allowedbythe cap. Do notattemptto rernove
the limitercap. The limltercap cannotbe
removedwithoutbreakingthe adjusting
needle.
The carburetor has been preset at the factory
and adjustment ,shouldnotbe necessa.,y.
However,minoradjustmentmay be required
tocompensatefor differencesinfuel,
temperature,altitudeor load. If the carburetor
does need adjustment,proceedas follows:
In general, tumingidle mixturevalve in
(clockwise)decreasesthe supplyof fuel to
the engine gMng a leanerfueVairmixture.
Tumingthe idle mixturevalve out (counter-
_) increasesthe supplyof fuel tothe
engine gMng a richerfueVairmixture.
IMPORTANT: Damage to the needlevalve
and the seat incarburetormay resultif screw
istumed intootight.
PREUMINARY SETTING -
1. Aircleaner assemblymustbe assembled
tothe carburetorwhen makingcarburetor
adjustments.
2. Be sure the throttle control cable is
adjustedproperly(see above).
FINALSE'n'ING-
1. Startengineand allowtowarm for five
minutes. Make final adjustmentswith
engine runningand shiff/matJoncontrol
leverin neutral (N) pos'_on.
2. Move throttlecontrollevertoslew
position.Withfinger, rotateand hold
throttle lever againstidlespeed screw.
Tum idlespeed screwtoattain1750
RPM.
3. While stillholdingthrottle leveragainst
idlespeed screw,tum idle mixture valve
full travelclockwisethen counterclock-
wiseuntilenginerunsrough. Tum valve
toa pointmidwaybetween thosetwo
positions. Release throttlelever.
ACCELERATION TEST-
4. Move throttle control lever from slow to
fast position. If engine hesitates or dies,
tum idle mixture valve out (counterclock-
wise) 1/8 tum. Repeat test and continue
to adjust, if necessary, until engine
accelerates smoothly.
High speed stop is factory adjusted. Do not
adjust or damage may result.
IMPORTANT: Never temper with the engine
gevemor, which isfacto,'yset for proper
engine speed. Overspeeding the engine
above the factory high speed seUJngcan be
dangerous, ffyou think the engine-gevemed
high speed needs adjusting, contact a
Sears or other qualified service center,
wh'K_ has proper equipment and experience
to make any necessary adjustments.
Idle Speed Screw
Lever
Idle Mixture
Valve with
Limiter
26