32 / 71
4-5-5
Disassembling Carburetor
Fig. 68
1
Remove four Screws [1] to remove Metering diaphragm
cover [2], Metering diaphragm [3], Metering diaphragm
gasket [4], Pump body assembly [5], Inlet screen [6],
Pump diaphragm [7] and Pump gasket [8].
2
Remove Conical compression spring 5-9 [9].
3
If Metering diaphragm [3] or Pump diaphragm [7] is
deformed or hardened, replace it with a new one.
4
Remove and clean Inlet screen [6] with carburetor
cleaner; when removing Inlet screen, be careful not to
deform it.
5
Use air duster as little as possible or it may break the
inner parts of Carburetor such as Check valve.
Note
Once Metering diaphragm gasket [4] or Pump gasket [8] is
removed, be sure to replace it with a new one.
Fig. 69
6
Remove Screw [1] to remove Metering lever pin [2],
Lever [3], Spring [4] and Inlet needle valve [5].
Note
Replace Inlet needle valve [5] if the valve tip is worn.
Fig. 70
7
Remove two M3x10 Pan head screws [1] to remove the
assembly of Adjust screw [2] and Cable bracket [3] and
Throttle [4] from Carburetor body [5].
8
Remove Packing ring [6] from Carburetor body [5].
[1]
[2]
[3]
[4]
[5]
[6]
[5]
NG
[1]
[2]
[3]
[4]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
