4. FUEL SYSTEM QUANNON 125 Accelerating Pump Cover Accelerating Pump Installation First install the accelerating pump diaphragm. Install the spring. Install the accelerating pump cover and tighten the two screws. When installing the diaphragm, be sure to position it correctly. CARBURETOR INSTALLATION Install the carburetor onto the intake manifold and tighten the two lock nuts. Torque: 0.81.2kg-m Install the air cleaner connector and tighten the band screw. Throttle Valve THROTTLE VALVE ASSEMBLY Install the jet needle into the throttle valve and secure with the needle retainer. Jet Needle Needle Retainer Assemble the rubber cover, carburetor cap Carburetor Cap and throttle valve spring. Connect the throttle cable to the throttle valve. 4-8