5-7
FUEL SYSTEM
Mounting the carburetor
•
When install the carburetor, the
embossment of carburetor have to
fit into the correct position of
intake manifold.
•
Locking the screws of 2 clamps.
•
Mounting the throttle cable on the
control
wheel.
•
Install the vacuum pressure pipe
and fuel hose.
•
Connect with the auto-plunger wire.
•
Adjust the position of throttle cable.
•
Adjust the idle speed.
Setup of the fuel adjusting screw
Adjust:
＊
Fuel adjusting screw was setup in the
factory. It does not need to adjust the
fuel screw again. Remember the
setup before disassembly.
＊
Use neutral gear to adjust the
carburetor
•
Smoothly turn the fuel adjusting
screw into the end, then return back
to the standard setup.
The normal setup is: 3 1/8
±
3/4 turns
Out.
•
After engine warm up, adjust the
throttle valve adjusting screw to setup
the standard idle speed.
Idle engine rev.: 1700
±
100 rpm
•
Slightly increase the engine speed for
few times and the idle engine speed
should keep the same.
•
If the engine rev. is not stable, repeat
above adjust procedure on fuel
adjusting screw and throttle adjusting
screw until the engine speed is
normal.
fuel tube
auto-plunger wire
clamp(carburetor)
Vacuum tube
clamp
Throttle tube
