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5-6
FUEL SYSTEM
AIR GUN
CARBURETOR PASSAGES CLEANING
●
Disassemble all component parts of carburetor and
then clean the air and fuel passages of carburetor body
with compressed air.
•
Do not use it wire, otherwise the carburetor body and
fuel pump get damaged.
●
Assemble in the reverse order of disassembly.
•
Be sure to install the needle jet with the smaller hole
toward the float chamber.
•
Install the air screw and its O-ring and washer in the
order as shown in the drawing. If the air screw and
carburetor body are replaced with the new ones,
adjustment is necessary.
•
Do not fasten it strongly, otherwise the face of seat
get damaged.
CARBURETOR INSPECTION
●
Connect an ohmmeter to the auto bystarter wire
connector terminals and measure the resistance. If the
resistance is greatly out of specification, it indicates a
faulty PTC in the auto bystarter. Replace the auto
bystarter.
RESISTANCE:4.0
Ω±
1
Ω
(20 C)
•
The auto by starter might be normal if the resistance
is only slightly out of specification. However, be sure
to check all related parts for trouble.
●
Remove the carburetor and let it cool down for 30
minutes. Insert a vinyl tube into the fuel increasing
circuit and blow into the tube.
●
Air should flow into the circuit.
●
If air does not flow into the circuit, replace the auto
bystarter.
Summary of Contents for A-FOUR -
Page 1: ......
Page 44: ...4 2 LUBRICATION SYSTEM OIL SYSTEM DRAWING ...
Page 51: ...MEMO ...
Page 52: ...FUEL SYSTEM 5 0 FUEL GAUGE FUEL TANK FUEL AUTO COCK STRAINER CARBURETOR ...
Page 62: ...ENGINE REMOVAL INSTALLATION 6 0 ...
Page 97: ...MEMO ...
Page 128: ...BRAKE SYSTEM 12 0 ...
Page 140: ...MEMO ...
Page 150: ...MEMO ...
Page 158: ...MEMO ...
Page 166: ...MEMO ...
Page 174: ...MEMO ...
Page 175: ...17 1 17 WIRING DIAGRAM 17 ...
Page 176: ...MEMO ...
Page 184: ...MEMO ...
Page 185: ...SERVICE MANUAL 2005 6 PRINTED 2005 6 PUBLICATION NO COPY ...