A fuel supply device has a base body, in which an intake channel section is formed. At least one adjustable throttle element for controlling the free flow cross section of the intake channel section is provided. At least one fuel opening opens into the intake channel section. A partition wall section is arranged in the intake channel section upstream of the throttle element. The partition wall section and the throttle element divide, in a completely open position of the throttle element, the intake channel section upstream of the throttle element into a mixture channel, into which the fuel opening feeds fuel, and an air channel. In order to improve the cooling of the fuel supply device, the partition wall section has at least one element for increasing the surface area within the mixture channel.

A first fuel storage portion is disposed on the upstream side of a fuel supply device of an engine so as to be contiguous with an air-intake passage of the fuel supply device. A blow-back suppression plate for suppressing blow-back from the air-intake passage is disposed between a filter element and the first fuel storage portion of an air cleaner. A suction-back passage is formed such that fuel accumulated in a fuel accumulation portion in the air cleaner is suctioned back through the suction-back passage into the air-intake passage. The suction-back passage allows communication between the fuel accumulation portion in the air cleaner and a suction-back port formed at the downstream-side end of the first fuel storage portion.

A pair of engine mounting brackets for an All-Terrain Vehicle (ATV) is provided. The engine mounting bracket includes the following: a first portion having a mitten shape; a hole in a fingertip portion of the mitten shape; a hole in a thumb portion of the mitten shape; a second portion parallel to the first portion; a middle portion interconnecting the first portion and the second portion at first and second interfaces, respectively, the middle portion being oriented transversely relative to the first and second portions wherein the first portion and the second portion are parallel to each other; and a middle hole in the middle portion just downward of the first interface, wherein the first portion, the second portion, the holes of the first portion and the middle hole being mirror images of each other relative to each engine mounting bracket of the pair though not the middle portions.

A system for facilitating a visual inspection of an All-Terrain Vehicle (ATV) is provided. The system includes a transparent air box cover and an electrical system outputting light from the air box cover lid. The system may include a transparent intake/inlet valve cover lid, a transparent exhaust/outlet valve cover lid, and a transparent cylinder head cover lid.

A fuel feed unit has a base body with an intake channel section, into which a fuel opening opens. A partition wall section divides the intake channel section into a mixture channel and an air channel. The wall section has a recess in which the throttle flap at least partially lies in an end position. The wall section has, upstream of the recess, a continuous surface facing the mixture channel and which has lateral sections adjacent to the channel wall and a middle section running between the lateral sections. The lateral sections have, upstream of the throttle flap, a separation edge for the flow. In the end position, the side of the throttle flap facing the mixture channel defines a reference plane which divides the unit into a first region and a second region. The lateral sections extend, at least directly upstream of the recess, into the second region.

An intake manifold with a blow off/pressure release valve, wherein the intake manifold may be a unitary construction of aluminum. The intake manifold utilizes a flat gasket at engine interface that, in combination with the aluminum construction, reduces the amount of heat transferred from the cylinder head to the intake manifold. The unitary construction of aluminum provides a strong bridge and conduit between the cylinder head and the carburetor.

An intake manifold with a blow off/pressure release valve, wherein the intake manifold may be a unitary construction of aluminum. The intake manifold utilizes a flat gasket at engine interface that, in combination with the aluminum construction, reduces the amount of heat transferred from the cylinder head to the intake manifold. The unitary construction of aluminum provides a strong bridge and conduit between the cylinder head and the carburetor.

A pair of engine mounting brackets for an All-Terrain Vehicle (ATV) is provided. The engine mounting bracket includes the following: a first portion having a mitten shape; a hole in a fingertip portion of the mitten shape; a hole in a thumb portion of the mitten shape; a second portion parallel to the first portion; a middle portion interconnecting the first portion and the second portion at first and second interfaces, respectively, the middle portion being oriented transversely relative to the first and second portions wherein the first portion and the second portion are parallel to each other; and a middle hole in the middle portion just downward of the first interface, wherein the first portion, the second portion, the holes of the first portion and the middle hole being mirror images of each other relative to each engine mounting bracket of the pair though not the middle portions.

A mounting bracket for a handlebar of a discontinued All-Terrain Vehicle (ATV) is provided. The mounting bracket includes a U-shape body, wherein a lower portion of both legs of the U-shape body are tilted at an approximately thirty-degree degree angle relative to a remaining portion of the mounting bracket; and a plurality of mounting holes only provided along said lower portions.

A carburetor air fuel mixture device is provided. The device includes a stem ending in a shank; a thread portion along the stem adjacent the shank; a spring slid over the shank; and a O-ring, wherein the spring and the O-ring are dimension so that a circumference of the spring slides in an air fuel mixture opening of a carburetor, and wherein the O-ring seals said air fuel mixture opening.