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5. FUEL SYSTEM ATV 150/125
SLOW/MAIN JET INSTALLATION Slow Jet Main Jet
Install the slow jet.
Install the needle jet, needle jet holder and
main jet.
Install the throttle stop screw and air screw
· 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 Stop Screw Air Screw
Float
Install the float valve, float and float pin.
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.
When adjusting, carefully bend the float pin.
Check the float for proper operation and then Float Level Gauge
install the float chamber.
Float Level: 14.8 mm (0.592 in)
5-7