TOADJUSTCARBURETOR
NOTE:The carburetoronthis engineis
lowemission..It is equippedwithanidle
fueladjustingneedlewitha limitercap,
whichallowssomeadjustmentwithinthe
limitsallowedbythe c&p..Donotattempt
to removethe limitercap°Thetimitercap
cannotberemovedwithoutbreakingthe
adjustingneedle.
Thecarburetorhasbeenpresetat thefac-
toryandadjustmentshouldnotbe neces-
sary.However,minoradjustmentmaybe
requiredtocompensatefordifferencesin
fuel,temperature,altitudeor load..Ifthe
carburetordoesneedadjustment,proceed
asfollows:
in general,turningidlemixturevalvein
(clockwise)decreasesthesupplyoffuelto
theenginegivinga leanerfuel/airmixture.
Turningthe idlemixturevalveout
(counterclockwise)increasesthesupplyof
fuelto the enginegivinga richerfuel/air
mixture..
IMPORTANT:Damageto theneedlevalve
andthe seatinca¢buretormayresultif
screwis turnedintootight.
...., .:,:___,............:wis_:,u8ti) ;engine runs rough. Turn valve
to a point midway between those two
positions. Release throttle lever.
ACCELERATION TEST
o Move throttle control lever from stow to
fast position., If engine hesitates or dies,
turn idle mixture valve out (counter-
clockwise) I/8 turn° Repeat test and
continue to adjust, if necessary, until
engine accelerates smoothly.
High speed stop is factory adjusted.. Do
not adjust--damage may result.
IMPORTANT: Never tamper with the
engine governor, which is factory set for
proper engine speed, overspeeding the
engine above the factory high speed set-
ting can be dangerous° if you think the
engine-governed high speed needs
adjusting, contact your nearest authorized
service center, which has proper equip-
ment to make any necessary adjustments,.
Idle Speed Throttle
Screw Lever"
PRELIMINARY SETTING -
,' Air cleaner assembly must be assem-
bled to the carburetor when making car-
buretor adjustments.
• Be sure the throttle control cable is
adjusted properly (see above)..
FINAL SETTING -
Start engine and allow to warm for five
minutes° Make final adjustments with
engine running and shift/motion control
lever in neutral (N) position.
• Move throttle control lever to slow posi-
tion. With finger, rotate and hold throttle
lever against idle speed screw. Turn idle
speed screw to attain 1750 RPM,
° While still holding throttle lever against
idle speed screw, turn idle mixture valve
full travel clockwise then counterclock-
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