4. FUEL SYSTEM ZING125 Screws Accelerating Pump Installation First install the accelerating pump diaphragm. Install the spring. Install the accelerating pump cover and tighten the three screws. When installing the diaphragm, be sure to position it correctly. Accelerating Pump Cover CARBURETOR INSTALLATION Install the carburetor onto the intake manifold and tighten the two lock nuts. Torque: 0.81.2 kg-m Install the air cleaner connector and tighten the band screw. Band Screw Lock Nut Needle Retainer THROTTLE VALVE ASSEMBLY Install the jet needle into the throttle valve and secure with the needle retainer. Throttle Valve Jet Needle Carburetor Cap Throttle Valve Assemble the rubber cover, carburetor cap and throttle valve spring. Connect the throttle cable to the throttle valve. Spring 4-8