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2. Check that holes "A" in governor control
lever and hole in governor plate line-up.
If holes "A" are not aligced, loosen clamp
screw and move throttle cable until holes
are aligned. T_ghten clamp screw
sscurely.
Governor
Governor Control Lever Control Plate
\
Holes
=A"
Clamp Screw hrottle
Cable
TO ADJUST CARBURETOR
NOTE: The carburetoronthisengineislow
emission. Itis equippedwith an idle fuel
adjustingneedle witha limifer cap, which
allows some adjustmentwithin the limits
allowedbythe cap. Do not attemptto remove
the limitercap. "me limitercap cannot be
removed without breaking the adjusting
needle.
The carburetorhas been presetatthe factory
andedjus'_mentshould not be necessary.
However,minor a_ustmentmay be required
tocompensatefor differences infuel,
temperature,eltRudeor load. Ifthe carburetor
doesneed adjustment, proceed as follows:
In general,tuming idle mixture valve in
(clockwise)decreasesthe supply of fuel to
the enginegiving a leaner fuel/air mixture.
Turningthe idlemixture valveout (counter-
clockwise)increasesthe supply offuel to the
engine giving a richer fuel/air mixture.
IMPORTANT: Damage to the needle valve
andthe seatin carburetor may result ifscrew
istomed in too tight.
PRELIMINARYSETTING -
1. Aircleaneressembly must be assembled
tothe carburetor when making carburetor
a_nstrnents.
2. Be surethe throttle control cable is
adjusted properly (see above).
FINALSETTING-
1. Start engine and allowto warm forfive
minutes. Makefinala_ustments with
engine runningand shifl/roctJoncontrol
leverin neutral(N) pesition.
2. Movethretleonntrd leverto slow
pesi_on.W_ finger, rotateendhold
throttle lever against idlespeed screw.
Turn _ speed screwto attain 1750
RPM.
3. While still holdingthrottlelever against
idle speed screw,tom idle mixturevalve
full travel deskwisethencounterdeck-
wise un'dlengine runs rough. "rum valve
to a point m_dwaybetween thosetwo
pnsi_ons. Releasethrottlelever.
ACCELERATIONTEST -
4. Movethrotlte contrellever from slowto
fast position. If engine hesitatesor dies,
tum idle mixture valveout (caunterdock-
wise) fi8tum. Repeattest and conlnue
to adjust,if necessary,untilengine
accelerates smoothly.
Highspeed stop isfactoryadjusted. Do not
ac_ust- damage may result.
IMPORTANT: Never tamper withthe engine
governor,whichisfactorysetfor proper
engine speed. Overspeedingthe engine
above the factoryhighspeed settingcan be
dangerous,ff you think_ engine_ovemed
high speed needsa_usting, contact a
Sears or other qualified service center,
which has proper equipment and experience
to make any necessaryadjustments.
Idle!
Lever
IdleMixture
Ire with
26
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