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