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SERVICE AND ADJUSTMENTS
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ENGINE
TO ADJUST THROTTLE CONTROL CABLE
(See Fig. 32)
The throttle control has been preset at the factory and ad-
_dustmentshould not be necessary Check adjustment as
escribed below before loosening cable tf adjustment is
necessary, proceed as follows:
• With engine not running, move throttle control lever
from "SLOW" to "CHOKE" position Slowly move lever
from "CHOKE" to "FAST" position
, Check that holes "A" in govet nor control lever and hole
in governor plate line-up. If holes "A" are not aligned,
loosen clamp screw and move throttle cable until holes
are aligned. Tighten clamp screw securely.
GOVERNOR
CONTROL LEVER
GOVERNOR
CONTROL PLATE
HOLES "A" CLAMP
SCREW
THROTTLE
CABLE
FINAL SETTING -
• Start engine and allow to warm for five minutes. Make
final adjustments with engine running and shift/motion
control lever' in "NEUTRAL" position.
• Move throttle control lever to "SLOW" position. 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 in (clockwise) until en-
gine begins to die and then turn out (counterclockwise)
until engine runs rough. Turn valve to a point midway
between those two positions. Release throttle lever..
ACCELERATION TEST -
• Move throttle control lever from "SLOW" to "FAST"
position. If engine hesitates or dies, turn idle mixture
valve out (counterclockwise) 1/8 turn. Repeat test and
continue to adjust, if necessary, until engine acceler-
ates 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, OVER-
SPEEDING THE ENGINE ABOVE THE
FACTORY HIGH SPEED SETTING CAN
BE DANGEROUS IF YOU THINK THE
ENGINE-GOVERNED HIGH SPEED
NEEDS ADJUSTING, CONTACT YOUR
NEAREST AUTHORIZED SERVICE
CENTER, WHICH HAS PROPER EQUIP-
MENTAND EXPERIENCETO MAKEANY
NECESSARY ADJUSTMENTS
FIG, 32
TO ADJUST CARBURETOR (See Fig. 33)
The carburetor has been preset at the factory and adjust-
merit should not be necessary. However, minor adjust-
ment may be required to compensate for differences in fuel,
temperature, altitude or load. If the carburetor does Reed
adjustment, proceed as follows:
In general, turnig idle mixture valve in (clockwise) de-
creases the supply offuel to the engine giving a leaner fuel/
air mixture, Turning the idle mixture valve out (counter-
clockwise) increases the supply of fuel to the engine giving
a richer fuel/air mixture
IMPORTANT: DAMAGETOTHENEEDLEVALVE AND
THE SEAT tN CARBURETOR MAY RE_
SULT IF SCREW IS TURNED IN TOO
TIGHT.
PRELIMINARY SETTING -
• Air cleaner assembly must be assembled to the carbu-
retor when making carburetor adjustments.
• Be sure the throttle control cable is adjusted properly
(see above).
• With engine off turn idle mixture valve in (clockwise)
closing it finger tight and then turn out (counterclock-
wise) 1 full turn
THROTTLE IDLE SPEED
LEVER SCREW
IDLE MIXTURE
VALVE
24 FIG. 33