5. FUEL SYSTEM                                             MXU 500 IRS


 CARBURETOR
 DISASSEMBLY/INSPECTION/
 ASSEMBLY
 DISASSEMBLY
 Remove the carburetor (refer to the
 "CARBURETOR REMOVAL/CHOKE
 INSPECTION/INSTALLATION" section in
 this chapter).

 Loosen the drain screw to drain the gasoline
 from the float chamber.
 · Keep sparks and flames away from the
                                                             Fuel Drain Plug
       work area.
     · Drain gasoline into a clean container.
     · Do not loosen or tighten the painted
       bolts and screws of the carburetor.
       Loosening or tightening them can
       cause throttle and piston valve
       synchronization failure.                          Top Cap


 Remove the four screws and top cap




 .




                                                Spring


 Remove the spring and piston valve.




                                                            Piston Valve

5-9