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TOADJUST.'II'IROTTLECONTROL
CABLE --.
The tl_o_ttle _controlhas been preset at the
factory and adjustment should not be nec-
essary. Check adjustment as descn'bed
below before loosening cable, if adjust-
ment is necessary, proceed as follows:
• With engine not running, move throttle
- control lever from slow to cho!_e posi-
1ion. Slowly move lever from'choke to
astpos, .
• Check that holes "A" in governor control
lever and hole in govemor plate line-up.
ff _oles_A " are not aligned, loosen
clamp screw and move throttle cable
until holes are alii)ned. Tighten clamp
screw securely.
___Go_vemor_.... Governor
Control Lever Control Plate
\
Clamp Throttle
Holes "A" Screw : Cable
TO ADJUST CARBURETOR
NOTE: The carburetor on this engine is
low emission. It is equipped with an idle
fuel adjusting needle)with a limiter cap,
which allows some adjustment within the
limits allowed by the cap. Do not attempt
to remove the limiter cap. The limiter cap
cannot be removed without breaking the
adjusting needle.
_l'he carburetor has been'preset at the fac-
tory and adjustment should not be neces-
sary. However, minor adj;_rstment may be
required to compensate for differences in
-fuel,'temperature, altitude or load. If the
carburetor does need adjustment, proceed
as follows:
In general, turning idle mixture valve in
!cloc kw_ise) decreases the supply of fuel to
.,me engine giving a leaner fuel/air mixture.
. Tuming the idle mixture valve out " .
- (cou_.."terclockwisa)"mcreases the Supply of
luel.tothe engine givi.nga richerfuel/air
rnixture_. -.-----_-
IM.P.P.P.P.P.P.P.P.P_TAI_r:Damage to the needle valve
afid _ sea_ in carburetor may result if
screw is turned in too tight. 27
PREMMINARY SETTING -
o. Air oleaner assembly must be essem-
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 (14)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-
wise 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 (counter-
clockwise) 1/8 tum. Repeat test and
continue to adjust, if necessary, until
engine accelerates smoothly.
High speed stop is factory adjusted; Do
not adjust---d_,mage may resulL
IMPORTANT: Never tamper with the
engine governor, which is factory set for
proper enginespeed, overspeeding the
engine above the factory high speed set-
ting can be dangerous, if you think the
engine<3ovemed high speed needs
adjusting, contact.your nearest authorized
serviceconter, which has proper equip-
.ment to make any necessary adjusbn,ents.
Idle Speed Screw'-
Tl_rottle
Lever
Valve W'_h.
_r