3-10. Disassembling/Assembling Carburetor (cont.)
11/ 20
7) Before removing two Pan head screws, tighten the idling screw on (A) to the full. (Fig. 38)
8) Before installing Strainer, ensure that it is not clogged with dust, dirt or debris. (Fig. 38)
9) Clean up the drainages in Carburetor first by spraying commercial carburetor cleaner and then, several minutes after,
by washing with gasoline.
3-11. Testing Air Tightness of Carburetor
Connect Air tightness tester (No.1R127) to the nipple
(the fuel suction port), and increase the pressure of the
tester up to 0.05Mpa.
Air tightness is normal if the tester keeps on indicating
0.05Mpa about ten seconds. (Fig. 40)
1) Referring to Fig. 38, assemble Carburetor.
2) Install (A) so that the choke adjuster is placed on
the opposite side to the tube ports. (Fig. 39)
Fig. 38
Throttle holder
[Exploded View of Carburetor]
Pan head screw
(2pcs)
(A)
Pan head screw
(4pcs)
Strainer
O ring 15
Controller set
Gasket
Gasket
Metering
diaphragm
Pump
diaphragm
Diaphragm
cover
ASSEMBLING
Fig. 39
Choke adjuster
Tube ports
Fig. 40
Air tightness tester
(1R127)
3-12. Assembling Parts in Handle
1) Hook the longer leg of Torsion spring 11 in the three protrusions on Lock-off lever. (Fig. 41)
2) Hook the other end of Torsion spring 11 on Throttle lever. (Fig. 42)
3) Insert Rod into Throttle lever as illustrated in Fig. 43.
Fig. 43
Fig. 42
Fig. 41
Torsion spring 11
Torsion spring 11
Lock-off lever
Throttle lever
Rod
Throttle lever