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TO ADJUST CHOKE CONTROL
The choke control has been preset at the
factory and adjustment should not be nec-
essary, check adjustment as described
below before loosening cable. Ifadjust-
ment is necessary, proceed as follows:
• With engine not running, move choke
control(located on dash panel) to full
choke position.
• Remove air cleaner cover, filter and car-
tridge plate to expose carburetor choke
(See "AIR FILTER" in the Customer Re-
sponsibilitiessection of this manual).
• Choke should be closed. If it is not,
loosen casing clamp screw and move
choke cable until choke is completely
closed.Tighten casing clamp screw se-
curely.
• Reassemble air cleaner.
Closed for
Choke
TO ADJUST CARBURETOR
The carburetor has been present at the
factory and adjustment should not be nec-
essary. However, minor adjustment may
be requiredto compensate for differences
in fuel, temperature, altitude or load. 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 fuel/air mix-
ture. Turningthe adjusting needles out
(counterclockwise) 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
screw isturned in too tight.
PRELIMINARY SE'I-FfNG -
• Be sure you have a clean air filter, and
the throttle control cable is adjusted
properly (see "TO ADJUST THROTTLE
CONTROL CABLE" in the Service and
Adjustments section of this manual).
• With engine off turn idle fuel adjusting
needle in (clockwise) closing it finger
tight and then turn out (counterclock-
wise) 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 (N) position.
• The high idle is set at the factory and
cannot be adjusted.
• Idle sDeed settina - With throttle control
lever in slow position, engine should
idle at 1200 RPM. If engine idles too
slow or fast, turn idle speed adjusting
screw in or out until correct idle is
attained.
• Idle fuel needle settina - With throttle
control lever in slow position, tum idle
fuel adjusting needle in (clockwise) until
engine speed decreases and then turn
out (counterclockwise) approximately
3/4 turn to obtain the best low speed
performance.
• Recheck idle speed. Readjust if neces-
sary.
ACCELERATION TEST -
• Move throttle control lever from slow to
fast position. If engine hesitates or dies,
tum idle fuel adjusting needle out
(counterclockwise) 1/8 tum. Repeat test
and continue to adjust, if necessary,
until engine accelerates smoothly.
High speed stop isfactory adjusted. Do
not adjust-damage may result.
IMPORTANT: Never tamperwith the
engine govemor, which is factory set for
proper engine speed. Overspeeding the
engine above the factory high speed set-
ting can be dangerous. Ifyou think the
engine-govemed high speed needs
adjusting, contact your nearest authorized
service center/department, which has
proper equipment and experience to make
any necessary adjustments.
3O