Service Manual

5-3 GOVERNOR
THROTTLE CABLE INSTALLATION
AND ADJUSTMENT
Make sure that the throttle lever and cable on
equipment have the speed control linkages with
engine.
1.
2.
3.
4.
Leave cable clamp bolt (A) loose.
Align hole
(B) of speed control lever (C) with
hole (D) of control plate
(E) moving the lever;
insert
a (6 mm) 0.24 in. dia. pin (or a 6 mm
bolt) through the two holes.
Pull up outer housing
(F) of throttle cable
until the inner cable
(G) has almost no slack,
and tighten the cable clamp bolt.
Remove the
6 mm dia. pin.
Be sure that carb. choke valve (H) is closed
completely when throttle lever on equipment
is moved to "CHOKE" position. If not, per-
form "CHOKE ADJUSTMENT,, described
below.
CHOKE ADJUSTMENT
1. Align hole (B) of speed control lever (C) with
hole (D) of control plate
(E) moving the lever;
insert
a 6 mm (0.24 in.) dia. pin (or a 6 mm
dia. bolt) through the two holes.
2. Turn in choke setting screw (K) until its end
just begins to touch the tongue of lever
(L).
3. Remove the 6 mm dia. pin or bolt.
MAXIMUM SPEED ADJUSTMENT
Start engine and allow it warm.
1. Align hole (B) of speed control lever (C)
with hole (D) of control plate (E) by moving
the lever; insert
a (6 mm) 0.24 in. dia. pin
(or
a 6 mm bolt) through the two holes.
2. Leave two control-plate-tightening-bolts (I)
loose.
3. Use a tachometer and slide control plate (E)
left or right to obtain specified 3,350 rpm.
Be sure that the carb. choke valve is fully
opened during adjustment.
4. Tighten two bolts (I) securely in a manner to
avoid changing the specified speed.
5. Adjust choke per procedure previously men-
tioned.
6. Remove the 6 mm dia. pin or bolt.
7. Stop engine.
IDLE SPEED ADJUSTMENT
Before the following procedure, carb. adjustment
must be performed.
(See CARBURETOR ADJUSTMENT)
Start engine and allow
it warm.
1. Move throttle lever on equipment to farest
IDLE position and leave
it there.
2. Turning throttle stop screw (J) in or out to
obtain specified idling
1,350 to 1,450 rpm.
3. Stop engine.