KYMCO MX 125 - Page 69

5. FUEL SYSTEM
5-7
MX’er SYSTEM
SLOW/MAIN JET INSTALLATION
Install the slow jet.
Install the needle jet, needle jet holder and
main jet.
Install the throttle stop screw and air screw
Install the float valve, float and float pin.
FLOAT LEVEL INSPECTION
Turn the carburetor upside down so that the
float will go down to make the float valve
contact the float valve seat.
Then slowly tilt the carburetor and measure
the float level with the float level gauge
while the float pin just contacts with float
valve.
Float Level:
MX’er 150 14.8mm
MX’er 125
When adjusting, carefully bend the float pin.
Check the float for proper operation and then
install the float chamber.
Main Je
t
Slow Je
t
Float Level Gauge
• When installing the air screw, return it
to the original position as noted during
removal
• After the carburetor is installed, be
sure to perform the Exhaust Emission

Throttle Sto
p
Screw
Float Pin
Floa
t
Ai
r
Screw