A straddled vehicle including a body frame having a head pipe, a front cover in front of the head pipe, an exterior cover laterally covering the body frame, a fuel tank disposed behind the head pipe, an air cleaner disposed directly below the fuel tank, a duct disposed between the front cover and the head pipe and extending from an opening in the front cover, and a wind guide cover disposed between the head pipe and the fuel tank. The fuel tank and the exterior cover forms a wind guide pathway therebetween, the wind guide pathway being directly below the fuel tank, and being laterally covered with the exterior cover. The wind guide cover is configured to lead traveling wind passing through the duct from the opening to the wind guide pathway, so that the wind guide pathway leads the traveling wind to an air intake port of the air cleaner.

A saddle riding vehicle includes a head pipe, left and right main frame pipes, a fuel tank supported on the left and right main frame pipes, an upper gusset plate provided between the left and right main frame pipes, a lower gusset plate provided below the upper gusset plate with an interval, a stay attached to the lower gusset plate below the upper gusset plate, and a fastening bolt configured to detachably fasten the lower gusset plate and the stay.

A saddle riding vehicle includes a head pipe, left and right main frame pipes, a fuel tank supported on the left and right main frame pipes, an upper gusset plate provided between the left and right main frame pipes, a lower gusset plate provided below the upper gusset plate with an interval, a stay attached to the lower gusset plate below the upper gusset plate, and a fastening bolt configured to detachably fasten the lower gusset plate and the stay.

A motorcycle conversion kit for a three wheeled motorcycle wherein the conversion kit of the present invention is operable to transition the motorcycle so as to traverse across a snowy terrain. The conversion kit of the present invention includes a pair of ski assemblies that are operably secured to the front rotor assembly of the motorcycle. The ski assemblies include rotor movement inhibitors. A swing arm assembly is operably coupled to the frame and includes a front portion and a rear portion. The rear portion has rotatably mounted thereto a snow belt drive wheel. The show belt drive wheel is superposed a snow belt of a snow belt assembly wherein the snow belt assembly is secured to the frame of the motorcycle. The kit further includes a fuel cell bracket assembly having support members mounted on opposing sides of the frame and having a compartment rearward of the motorcycle.

A motorcycle conversion kit for a three wheeled motorcycle wherein the conversion kit of the present invention is operable to transition the motorcycle so as to traverse across a snowy terrain. The conversion kit of the present invention includes a pair of ski assemblies that are operably secured to the front rotor assembly of the motorcycle. The ski assemblies include rotor movement inhibitors. A swing arm assembly is operably coupled to the frame and includes a front portion and a rear portion. The rear portion has rotatably mounted thereto a snow belt drive wheel. The show belt drive wheel is superposed a snow belt of a snow belt assembly wherein the snow belt assembly is secured to the frame of the motorcycle. The kit further includes a fuel cell bracket assembly having support members mounted on opposing sides of the frame and having a compartment rearward of the motorcycle.

Embodiments include an off-road vehicle with a straddle seat, a plurality of ground engaging members, a prime mover and a frame having a removable frame portion overlying the prime mover, wherein at least a portion of the engine extends above at least a portion of the removable frame portion, and wherein at least a portion of the straddle seat extends over the removable frame portion and the prime mover.

A straddle-type vehicle (100) includes a frame (20) and an engine (10) mounted on the frame (20), the engine (10) includes a cylinder head (11) positioned toward the rear end of the frame, and located below a saddle seat (80). The cylinder head laces toward the rear end of the frame, which allows the heated cylinder head of the engine and the exhaust pipe connected to the cylinder head to avoid contact with the vehicle the user's legs while riding the vehicle, so the effect of heat emitted from the cylinder head on the rider's experience is reduced.

A straddle-type vehicle (100) includes a frame (20) and an engine (10) mounted on the frame (20), the engine (10) includes a cylinder head (11) positioned toward the rear end of the frame, and located below a saddle seat (80). The cylinder head laces toward the rear end of the frame, which allows the heated cylinder head of the engine and the exhaust pipe connected to the cylinder head to avoid contact with the vehicle the user's legs while riding the vehicle, so the effect of heat emitted from the cylinder head on the rider's experience is reduced.

A two-wheeled vehicle includes a frame assembly, a plurality of ground-engaging members for supporting the frame assembly, and a cooling assembly positioned below a head portion of the frame assembly and intermediate vertically-extending frame tubes of the frame assembly. A lower end of the cooling assembly is coupled to a lower end of the vertically-extending frame tubes, and an upper end of the cooling assembly is frictionally retained at an upper end of each of the vertically-extending frame tubes.

A fuel tank and a seat assembly including the fuel tank is provided. The seat assembly includes a fuel tank, a seat frame securable to the fuel tank, and optionally a rear panel that supports a rearward portion of the seat frame. The seat assembly may define a chamber between the fuel tank and the rear panel. The seat frame is removably secured to one or both of the rear panel and the fuel tank. The fuel tank and rear panel may define a v-shape capable of distributing the rider load.