P 14/ 18
Repair
[4] DISASSEMBLY/ASSEMBLY
[4]-11. Carburetor
(1) Loosen M4 Thumb screw and remove Cleaner cover assembly.
(Fig. 56)
(2) Remove two kinds of Air cleaner elements. (Fig. 57)
(3) Remove two M5x60 Hex. socket head bolts for fastening
Carburetor and Cleaner plate assembly to Insulator. (Fig. 58)
Note: Carburetor can not removed before the bolts are
removed completely.
(4) Disconnect two tubes from Carburetor, then remove it.
Refer to Fig. 59.
(1) Remove four 3x24 Tapping screws, then separate Primer pump cover,
Primer pump, Air purge body, Metering diaphragm and Metering diaphragm gasket.
Note: In case Metering diaphragm remains attached to the others in disassembling of Carburetor, be careful to remove
Metering diaphragm and gasket. It is fragile.
(2) Replace Metering diaphragm when the following problems happen:
• slackened • hardened • worn / debased
(3) Loosen M3x4 screw in Pump body to remove Inlet needle and Control lever etc. (Refer to Fig. 60) from Carburetor.
(4) Before assembling Pump body, check that the top of Inlet needle is not deformed / worn out. (Fig. 61).
(5) When Control lever is set in place, make sure that Spring is put properly as drawn in Fig. 62.
(6) Regarding three M3x8 Pan head screws with washers, loosen Idling screw
fully first, and then remove them.
(7) After checking if Inlet screen is clogged with dust, fit it into Pump body.
(8) Spray carburetor cleaner each route in Carburetor and then clean it with
gasoline after a few minutes.
DISASSEMBLING
CLEANING / MAINTENANCE
Fig. 56
Air cleaner element
(2 pcs.)
Cleaner cover assembly
M4 Thumb screw
Fig. 57
Fig. 58
M5x60 Hex. socket button
head bolts (2 pcs.)
Fig. 59
Carburetor
3x24 Tapping
screw (4pcs.)
Primer pump
cover
Primer pump
Air purge body
Pump body
(M3x4 + screw
is included.)
Pump
diaphragm
Pump gasket
Jet
O ring 2
Conical
compression
spring 5-9
Inlet
screen
M3x8 Pan head screw
with washer (2pcs.)
Swivel
Stop ring
E-3
Washer
Metering
diaphragm
Metering
diaphragm
gasket
(Throttle valve
assembly)
Fig. 61
Normal Out of order
Fig. 60
Pin
Control lever
Spring
Inlet needle
Note:
These items can
not be supplied
solely.
Order Pump body
to replace them.
M3x4 + screw
Fig. 62
Normal
Out of order
Dust in Pump
body causes
the leakage of
pressure.
Idling screw
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