5. FUEL SYSTEM Mongoose/KXR 90/50 Carburetor Cap THROTTLE VALVE DISASSEMBLY Remove the fuel tank. (Refer to "FUEL TANK" section in the chapter 5) Remove the carburetor cap. Pull out the throttle valve. Throttle Valve Throttle Cable Compress the spring to disconnect the throttle cable by hand. Remove the spring from the throttle valve Spring 5-7