12. CARBURETOR SUPER 9 50 Remove the jet needle by removing the Throttle Valve needle clip. Check the jet needle and throttle valve for wear or damage. Needle Clip Spring Jet Needle Rubber Seal Carburetor Cap THROTTLE VALVE INSTALLA- TION Install the jet needle on the throttle valve and secure with the needle clip. Throttle Valve Spring Install the rubber seal on the throttle cable Throttle Valve and then install the carburetor cap and throttle valve spring. Connect the throttle cable to the throttle valve. Throttle Cable 12-3