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ENGINE
TO ADJUST
THROTTLE
CONTROL
CABLE
(See Fig. 34)
The throttle control has been preset at the factory and
adjustment should notbe necessary° Check adjustment as
described below before loosening cable_ If adjustment is
necessary, proceed as follows:
o
With engine not running, move throttle control lever
from "SLOW" to "CHOKE" position. Slowly move lever
from "CHOKE" to "FAST" position.
°
Check to see if hole in throttle lever and hole in speed
control bracket are aligned.
o
If holes are not aligned, loosencable clamp screw and
align the holes by inserting a pencil or a 1/4 drill bit
through both holes.
°
Pull throttle cable up to remove slack and tighten cable
clamp screw. Remove alighnment pencil or drill bit.
TO ADJUST CARBURETOR
(See Fig. 35)
The carburetor has been preset at the factoryand adjust-
ment should not be necessary.
However, m_nor adjust-
ment may be required to compensate for differences infuel,
temperature, altitude or ioado If the carburetor does need
adjustment, proceed as follows:
in general, turning the adjusting needles in (clockwise)
decreases the supply of fuel to the engine giving a leaner
fue!/air mixture. Turning the adjusting needles out (counter-
clockwise) increases the supply of fuel to the engine giving
a richer fuel/air mixture.
IMPORTANT:
DAMAGE
TO THE NEEDLES
AND THE
SEATS
IN CARBURETOR
MAY RESULT
IF NEEDLE
IS
TURNED
IN TOO TIGHT_
PRELIMINARY
SETTING
•
Be sure you have a clean air filter and the throttle
control cable is adjusted properly (see above)..
°
With engine off turn idle fuel adjusting needle in (clock-
wise) closing it finger tight and then turn out (counter*
clockwise) 1 turn,.
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°
•
IdlesDeedsetting-Withthrottlecontrolleverin"SLOW"
positi-on, engine should idle at 1750 RPM. If engine
idles too slow or fast, turn idle speed adjusting screw in
or out until correct idle is attained,
°
Idle fuel needle settin_q* With throttle control lever in
"SLOW" position, turrl idle fuel adjusting needle in
(clockwise) until engine begins to die and then turn out
(counterclockwise)
approximately 1/8 to 1/4 turn to
obtain best low speed performance.
"
°
Recheck idle speed., Readjust if necessary°
ACCELERATION
TEST -
•
Move throttle
control
lever from "SLOW"
to "FAST"
position°
If engine
hesitates
or dies, turn idle fuel
adjusting needle out (counterclockwise)
1/8 turn° Re-
peat 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
SETTING
CAN
BE
DANGEROUS.
IF YOU THINK THE ENGINE-GOVERNED
HIGH
SPEED
NEEDS
ADJUSTING,
CONTACT
YOUR
NEARESTAUTHORIZED
SERVICE CENTER, WHICH HAS
PROPER EQUIPMENT
AND EXPERIENCE
TO MAKE ANY
NECESSARY
ADJUSTMENTS
CABLE
\
CLAMP
SCREW
SPEED CONTROL
BRACKET
THF
LEVER
FIG. 34
IDLE SPEED
ADJUSTING
IDLE FUEL
ADJUSTING
NEEDLE
FIG. 35
25
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