1985-1986 Honda ATC250R Shop Manual, Page 46Get this manual
FUEL SYSTEM
CARBURETOR
REMOVALDISASSEMBLY
Turn the fuel valve OF and disconnect the fuel line and remove the seat and fuel tank (page 3-3)Loosen the drain screw and drain the float chamberRemove the carburetor connecting tube bands and remove the carburetor topPu II the th rottle valve outRemove the carbu retor