The present disclosure discloses a carburetor, including a fuel passage and an oil passing passage. The fuel passage communicates with the float chamber. The carburetor further includes a magnetic sleeve assembly, a magnet assembly and a thimble assembly. The magnetic sleeve assembly is fixed to a float base and a first end of the magnetic sleeve assembly extends into the oil passing passage and is connected to a body. The first end of the magnetic sleeve assembly includes a fuel passing hole and a passage, the fuel passing hole communicates with a float chamber. The passage communicates the oil passing passage. Both the thimble assembly and the magnet assembly are installed in the magnetic sleeve assembly. The thimble assembly is configured for cutting off the passage under driving of the magnet assembly to cut off a communication between the oil passing passage and the float chamber.

A carburetor drain valve, comprises a valve body and a valve center screw. The valve body further comprises a threaded inner portion and a plurality of carburetor screw threads. The valve center screw further comprises a threaded outer portion to couple to the valve body at the threaded inner portion. A valve screw handle is disposed at a lower portion of the valve center screw, and a plug portion is disposed at an upper portion of the valve center screw. An opening is disposed along the length of the valve center screw, and a cross-drilled hole is disposed within the plug portion.

A carburetor drain valve, comprises a valve body and a valve center screw. The valve body further comprises a threaded inner portion and a plurality of carburetor screw threads. The valve center screw further comprises a threaded outer portion to couple to the valve body at the threaded inner portion. A valve screw handle is disposed at a lower portion of the valve center screw, and a plug portion is disposed at an upper portion of the valve center screw. An opening is disposed along the length of the valve center screw, and a cross-drilled hole is disposed within the plug portion.

An apparatus and method are provided for a fuel bowl to supply liquid fuel to a carburetor. The fuel bowl comprises a float chamber and a fuel inlet cavity which receives a fuel delivery insert. The fuel delivery insert receives a fuel inlet valve and comprises passages to direct incoming fuel to a bottom portion of the float chamber. A float comprises an elongate member rotatably hinged within a float cavity of the fuel delivery insert, such that the float rises according to a quantity of fuel within the float chamber. The fuel inlet valve supplies liquid fuel to the float chamber by way of the passages according to the operation of the float within the float chamber. A ventilation chamber allows air and fuel vapors to exit as liquid fuel enters the float chamber while preventing liquid fuel from entering into the carburetor.

An apparatus and method are provided for a fuel bowl to supply liquid fuel to a carburetor. The fuel bowl comprises a float chamber and a fuel inlet cavity which receives a fuel delivery insert. The fuel delivery insert receives a fuel inlet valve and comprises passages to direct incoming fuel to a bottom portion of the float chamber. A float comprises an elongate member rotatably hinged within a float cavity of the fuel delivery insert, such that the float rises according to a quantity of fuel within the float chamber. The fuel inlet valve supplies liquid fuel to the float chamber by way of the passages according to the operation of the float within the float chamber. A ventilation chamber allows air and fuel vapors to exit as liquid fuel enters the float chamber while preventing liquid fuel from entering into the carburetor.

An apparatus and method are provided for a fuel bowl to supply liquid fuel to a carburetor. The fuel bowl comprises a float chamber and a fuel inlet cavity which receives a fuel delivery insert. The fuel delivery insert receives a fuel inlet valve and comprises passages to direct incoming fuel to a bottom portion of the float chamber. A float comprises an elongate member rotatably hinged within a float cavity of the fuel delivery insert, such that the float rises according to a quantity of fuel within the float chamber. The fuel inlet valve supplies liquid fuel to the float chamber by way of the passages according to the operation of the float within the float chamber. A ventilation chamber allows air and fuel vapors to exit as liquid fuel enters the float chamber while preventing liquid fuel from entering into the carburetor.

An apparatus and method are provided for a fuel bowl to supply liquid fuel to a carburetor. The fuel bowl comprises a float chamber and a fuel inlet cavity which receives a fuel delivery insert. The fuel delivery insert receives a fuel inlet valve and comprises passages to direct incoming fuel to a bottom portion of the float chamber. A float comprises an elongate member rotatably hinged within a float cavity of the fuel delivery insert, such that the float rises according to a quantity of fuel within the float chamber. The fuel inlet valve supplies liquid fuel to the float chamber by way of the passages according to the operation of the float within the float chamber. A ventilation chamber allows air and fuel vapors to exit as liquid fuel enters the float chamber while preventing liquid fuel from entering into the carburetor.

A rollover shutoff valve assembly used with a carburetor inhibits leaking of fuel from the carburetor in circumstances where the vehicle has rolled over so that the carburetor is inverted from the normal operating position. The rollover shutoff valve assembly includes a fluid passage, a race and a plug received in the race. The plug is movable in the race to inhibit liquid flow through the passage when the shutoff valve assembly rotates from an upright position to an inverted position. The races are closed except at the passage.

A carburetor includes a carburetor bowl, a fuel supply pipe, a fuel drain pipe, and a valve. The carburetor bowl is configured to store fuel and provide the fuel to an air passage. The fuel supply pipe is connected a fuel tank and the carburetor bowl. The fuel drain pipe is connected to the carburetor bowl and the fuel supply line. The valve for the fuel drain pipe is configured to open and close in response to an orientation of the carburetor.

A carburetor drain valve, comprises a valve body and a valve center screw. The valve body further comprises a threaded inner portion and a plurality of carburetor screw threads. The valve center screw further comprises a threaded outer portion to couple to the valve body at the threaded inner portion. A valve screw handle is disposed at a lower portion of the valve center screw, and a plug portion is disposed at an upper portion of the valve center screw. An opening is disposed along the length of the valve center screw, and a cross-drilled hole is disposed within the plug portion.