5. FUEL SYSTEM MXU 300/250 CARBURETOR REMOVAL Remove the fuel tank and carburetor cap. (Refer to "FUEL TANK" and "THROTTLE VALVE DISASSEMBLY" section in the chapter 5) Loosen the drain screw to drain the gasoline from the float chamber. · Keep sparks and flames away from the work area. · Drain gasoline into a clean container. Fuel Drain Plug Screw Loosen the screw on the lock plate for disconnect the choke cable Loosen the air cleaner connecting tube band screw. . Choke Cable Band Screw Bolts Nuts Remove the two bolts at the air cleaner case. Disconnect the air cleaner connecting tube from the carburetor. Remove the two carburetor mounting nuts and carburetor body. Remove the carburetor. 5-9