Fig.
4-26
Fig.
4-27
Fig. 4
-28
4
b.
Setting bi-metal
1.
Hook the choke arm with bi-metal hook, and install
the thermostat cover.
2.
Confirm the correct operation
of
choke
valve
by
turning the thermostat cover.
3. Set the index mark
of
the thermostat cover on the
position marked in the choke housing when disassem-
bling.
4. Tighten the attaching screws.
c.
Checki
ng choke diaphragm
1. Apply vacuum about 400
mm-Hg
(15.7 in-Hg)
from vacuum pump (choke diaphragm vacuum tube).
2. Push the choke
valve
lightly by a finger in the direc-
tion
of
closing it, and concurrently check the clear-
ance (R)
of
the choke valve.
Clearance
(RI
: 1.70 ± 0.25 mm (0.067 ± 0.010 in)
3.
If
it
is
not within the specifications, adjust
it
by
bending the choke lever (D).
After checking,
install
the bi-metal cover
4-A-5.
Adjusting Carburetor
a. Adjusting fast idle
cam
1. Set the fast idle cam on the second position.
2.
Adjust the throttle
valve
clearance (G) by turning
the adjust screw.
(Turning the screw clockwise, the opening angle
becomes large)
Clearance
(GI :
0.45.....,
0.75
mm
(0.018.....,
0.030
in)
4:8
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