In an internal combustion engine, a gasket is disposed between joining surfaces of a cylinder block and a cylinder head, and a heat radiation rib that extends in a cylinder axis direction is formed on the cylinder block or the cylinder head. In such an internal combustion engine, the gasket includes: a portion to be sandwiched that is sandwiched between the joining surfaces; and an extending portion that protrudes toward an outside from the portion to be sandwiched as viewed in a cylinder axis direction.

In an internal combustion engine, a gasket is disposed between joining surfaces of a cylinder block and a cylinder head, and a heat radiation rib that extends in a cylinder axis direction is formed on the cylinder block or the cylinder head. In such an internal combustion engine, the gasket includes: a portion to be sandwiched that is sandwiched between the joining surfaces; and an extending portion that protrudes toward an outside from the portion to be sandwiched as viewed in a cylinder axis direction.

The present invention relates to a swing vehicle technical fields, and more particularly to a self-balance vehicle. It includes a main body of the self-balance vehicle, a first wheel and a second wheel, the first wheel and the second wheel is respectively installed at both sides of the main body of the self-balance vehicle, the outside of the first wheel is installed a folding first foot petal, the outside of the second wheel is installed a folding second foot petal. Compared with the prior art, in the self-balance vehicle of the present invention the first foot petal and the second foot petal can be overlapped, its volume is compact after folding, it is convenience for carry, its appearance is small and beautiful.

The present invention relates to a swing vehicle technical fields, and more particularly to a self-balance vehicle. It includes a main body of the self-balance vehicle, a first wheel and a second wheel, the first wheel and the second wheel is respectively installed at both sides of the main body of the self-balance vehicle, the outside of the first wheel is installed a folding first foot petal, the outside of the second wheel is installed a folding second foot petal. Compared with the prior art, in the self-balance vehicle of the present invention the first foot petal and the second foot petal can be overlapped, its volume is compact after folding, it is convenience for carry, its appearance is small and beautiful.

A cover fastening structure for a motorcycle, including a cover member around a headlight that can be made smaller in size and, at the same time, with highly accurate fastening. The cover fastening structure for the motorcycle includes: a headlight for lighting the front side of the motorcycle; middle cowls as exterior parts for covering lateral sides of the motorcycle; a headlight under cover disposed under the headlight such as to be continuous with the middle cowls; and a center upper cowl disposed rearwardly of the headlight under cover such as to cover the lower side of the headlight. The headlight under cover includes a rearward extending wall fitted to the center upper cowl, and the rearward extending wall is provided with a cutout. The center upper cowl is provided with a solid cylindrical fitting-receiving section. The cutout of the headlight under cover and the fitting-receiving section of the center upper cowl are fastened together by being fitted to each other.

A cover fastening structure for a motorcycle, including a cover member around a headlight that can be made smaller in size and, at the same time, with highly accurate fastening. The cover fastening structure for the motorcycle includes: a headlight for lighting the front side of the motorcycle; middle cowls as exterior parts for covering lateral sides of the motorcycle; a headlight under cover disposed under the headlight such as to be continuous with the middle cowls; and a center upper cowl disposed rearwardly of the headlight under cover such as to cover the lower side of the headlight. The headlight under cover includes a rearward extending wall fitted to the center upper cowl, and the rearward extending wall is provided with a cutout. The center upper cowl is provided with a solid cylindrical fitting-receiving section. The cutout of the headlight under cover and the fitting-receiving section of the center upper cowl are fastened together by being fitted to each other.

A straddled vehicle, including left and right seat frames respectively located leftward and rightward of a vehicle center plane with respect to a rear-to-front direction, a cross member configured to connect the left and right seat frames, a seat located above the left and right seat frames and the cross member, a rear fender, and a position regulator joining the seat with the rear fender to regulate upward movement of the seat. The seat includes a first load transmitting portion and a first horizontal position determining portion. The cross member includes a load receiver configured to receive a load of the seat, and a second horizontal position determining portion configured to restrict movement of the seat in a substantially horizontal direction. The position regulator includes an elastic member supported by the seat, a coupling portion supported by the elastic member, and a fastening portion configured to fasten the coupling portion to the rear fender.

A straddled vehicle, including left and right seat frames respectively located leftward and rightward of a vehicle center plane with respect to a rear-to-front direction, a cross member configured to connect the left and right seat frames, a seat located above the left and right seat frames and the cross member, a rear fender, and a position regulator joining the seat with the rear fender to regulate upward movement of the seat. The seat includes a first load transmitting portion and a first horizontal position determining portion. The cross member includes a load receiver configured to receive a load of the seat, and a second horizontal position determining portion configured to restrict movement of the seat in a substantially horizontal direction. The position regulator includes an elastic member supported by the seat, a coupling portion supported by the elastic member, and a fastening portion configured to fasten the coupling portion to the rear fender.

A motorcycle including a protection cover for a throttle body that is less likely to contribute to an increase in the vehicle weight to thus improve the attachability thereof. A motorcycle includes a throttle body provided with a throttle valve for controlling a flow rate of intake air into an internal combustion engine and an air cleaner for supplying air to the throttle body. The throttle body is arranged at a rear of the air cleaner with an intake port of the internal combustion engine being arranged at a rear of the throttle body. The air cleaner includes a throttle body protecting section for covering at least a lower surface of the throttle body.

A vehicle component includes a body having a plurality of layers where each of the plurality of layers is a composite material. The body includes a recess formed in one or more of the plurality of layers. A lighting material is disposed in the recess and includes a tube having a first end and a second end, and a light guide disposed within the tube and extending between the first end and the second end of the tube. A light source is adjacent to one or more of the first end and the second end of the tube. The light source is directed toward the light guide and configured to illuminated the lighting material. The recess is sized to receive the tube.