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5-7
FUEL SYSTEM
●
Connect the battery to the auto bystarter terminals and
wait for 5 minutes.
●
Insert a vinyl tube into the fuel increasing circuit and
blow into the tube.
●
Air should not flow into the circuit. If air flows into the
circuit, replace the auto bystarter.
●
Check the resister if the auto bystarter is normal but
engine is still hard to start.
●
If there is a broken wire in the resister, current will not
flow to the PTC and the auto bystarter will not operate.
●
If there is a shorted wire in the resister, current of a
higher voltage than specified will reach the PTC. This
will cause the fuel enrichening circuit to close too soon,
and starting will be difficult.
THROTTLE VALVE
REMOVE
●
Throttle valve.
●
Throttle cable.
●
Throttle valve spring.
●
Needle clip.
●
Seal cap.
●
Clip.
●
Jet needle.
ASSEMBLY
●
Install the jet needle into the throttle valve and be sure
to fixes the needle clip.
●
Route the throttle cable through the spring and
compress the spring fully.
●
Attach the throttle cable end to the bottom of the
throttle valve and thread the throttle cable through the
slot in the valve.
●
Align the cutout in the throttle valve with the throttle
stop screw on the carburetor body and install the valve
on the carburetor.
•
Be sure to check if the cutaway turns toward air
cleaner. If it is assembled reversely, the engine may
spring up like fountain due to the throttle valve not
going down.
●
Operate the valve after installing the throttle valve.
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 ...