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P 17/ 25
Repair
[3] DISASSEMBLY/ASSEMBLY
[3] -8. Carburetor (cont.)
(7) Check Inlet needle in the Pump body assembly if its tip is intact. Replace Controller set including Inlet needle
to the new set if Inlet needle tip is damaged. It can be removed by unscrewing M3x4 Set screw.
Check if there is any foreign material stuck on Fuel inlet before fixing Inlet needle. (Figs. 33, 34 and 35)
(8) Fully loosen idling screw, then, remove Pan head screws (small) for fixing Throttle valve assembly
to Carburetor body.
(9) Spray carburetor cleaner on the Inlet screen, all fuel inlets, outlets and internal routes. And then, wash them
with gasoline. (Fig. 35)
(10) Make sure that Compression spring fits to the protrusion of Control lever when assembled. (Fig. 36R)
Countersunk
head screw
Inlet needle
Inlet needle
in normal condition
Control lever
Note:
The above parts are not supplied individually.
In case of replacement of any of the above parts,
it has to be replaced as a Pump body assembly.
Compression spring
Pin
Component Parts of Controller set
Fig. 34 Fig. 35
worn out
Carbureted air leaks out
if Inlet needle is worn out.
Carbureted air leaks out
if foreign material sticks
at inlet hole.
Compression spring
fits to the projection
of Control lever.
Projection of
Control lever
Control lever
Inlet needle
Wrong Assembling of Compression spring
Metaling diaphragm
Compression spring
Fig. 36FFig. 36R
DISASSEMBLING, CLEANING