5. FUEL SYSTEM ATV 150/125 Lock Nut CARBURETOR INSTALLATION Install the carburetor onto the intake manifold and tighten the two lock nuts. Torque: 1 kgf-m (10 N-m, 7.2 lbf-ft) Install the air cleaner connecting tube and tighten the band screw. Band Screw Clip Needle Retainer THROTTLE VALVE ASSEMBLY Install the jet needle into the throttle valve and secure with the needle retainer. Jet Needle Notch: 4th Notch (Counted from top to bottom) Throttle Valve Jet Needle Carburetor Cap Spring Assemble the rubber cover, carburetor cap and throttle valve spring. Connect the throttle cable to the throttle valve. Throttle Valve Notch Groove Install the throttle valve into the carburetor body. Align the groove in the throttle valve with the throttle stop screw on the carburetor body. Connect the accelerating pump cable. Fully open the throttle and adjust the accelerating pump cable to align the punch mark on the accelerating pump arm with the punch mark on the set plate. Throttle Stop Screw 5-8