Abstract: In a motorcycle, a seat member includes a rider seat section and a pillion section which is continuous to a rear portion of the rider seat section and the article storage device is arranged below the seat member. The article storage device comprises an article storage box as a body of the storage device disposed below the seat member and an article access port formed to the article storage box and opened upward in an installed state of the storage box. A recessed portion protruding upward is formed at a central portion of a bottom surface of the article storage box, the bottom surface has a front side portion in front of a top portion of the recessed portion is inclined forward downward and the bottom surface also has a rear portion at the rear of the top portion of the recessed portion inclined rearward downward. The article access port has a rear edge portion positioned at the rear of the top portion of the recessed portion.

Abstract: An outboard motor is mounted with a multiple-cylinder engine having cylinders to which intake air is distributed through the intake manifold unit of an intake unit, respectively. The intake manifold unit comprises an intake manifold body formed of a synthetic resin, an idling air control (IAC) valve for regulating a quantity of intake air into the intake manifold unit in an idling operation state, a valve holder to which the IAC valve is operatively connected in a floating manner, and an elastic member through which the IAC valve is mounted to the valve holder. The IAC valve, the elastic member and the valve holder are coupled integrally with each other and mounted to the intake manifold body in the floating state.

Abstract: A head lamp apparatus for a vehicle comprises a lamp housing mounted to a front portion of a vehicle body, a head lamp bulb disposed inside the lamp housing and adapted to radiate a light, a reflector for reflecting an irradiation light from the head lamp bulb in a direction forward of the vehicle body, and a position bulb disposed in front of the head lamp bulb inside the lamp housing.

Abstract: An intake system of an outboard motor including a vertically arranged V-type engine comprises, an intake manifold connected to the intake ports, a surge tank connected to the intake manifold and disposed at a rear side from a central portion of the engine, a throttle body provided with a throttle valve, a plurality of intake passages for high revolution operation of the engine. The intake passages for high revolution operation extend from the surge tank and are communicated with the intake manifold, and the intake passages for low/intermediate revolution operation extend from the surge tank and are joined with the intake passages for high revolution operation, respectively. Each of the intake passages for low/intermediate revolution operation has a length longer than that for high revolution operation. A valve open/close mechanism is also disposed for opening/closing all at once portions upstream side of the joined portions of both the intake passages of the engine.

Abstract: An engine unit of a motorcycle generally include a cylinder head, a cylinder block formed with a cylinder bore therein, a crankcase and a rear case sequentially assembled in this order from a front side of a motorcycle body. A crankshaft is pivoted to a mating face between the cylinder block and the crankcase, a counter shaft which is rotated with the crankshaft in an interlocking manner is pivoted to a mating face between the crankcase and the rear case. These two mating faces lie in planes parallel to each other so as to be substantially perpendicular to a center axis of the cylinder bore of the cylinder block.

Abstract: An outboard motor has an engine in which a crankshaft is disposed perpendicularly, a flywheel is disposed to an upper end portion of the crankshaft to be rotatable in unison with the crankshaft and the flywheel is provided with a detecting member a motion of which is detected by a sensor means for detecting a detecting number of revolution and a revolution angle of the crankshaft. The detecting member is disposed in an axial direction of the crankshaft.

Abstract: A motorcycle is provided with an article storage device which is disposed below a rider's seat, and the storage device includes an article accommodation box having an article entrance port formed to be opened upward in a standing state of a motorcycle and a cover member provided for a bottom portion of the seat. The article entrance port has a lateral width larger than a lateral width of an outer peripheral edge of the seat, and the cover member covers the article entrance port formed to the article accommodation box.

Abstract: An outboard motor including an engine holder, an in-line multi-cylinder type engine disposed above the engine holder in a mounted usable state of the outboard motor, an oil pan disposed below the engine holder, and an engine cover covering the engine holder, engine and oil pan. The in-line multi-cylinder type engine includes vertically arranged cylinders and a crank chamber of a crank case corresponding to a lowermost cylinder has both shoulder portions formed by a wall section continuous to a wall section of the lowermost cylinder and extending in a direction normal thereto and another wall section substantially parallel to the wall section of the lowermost cylinder so as to define shapes of the shoulder portions to be substantially square in section.

Abstract: A fuel cooling apparatus of an outboard motor with a water-cooled engine having a vapor separator, a fuel injector positioned to supply a fuel from the vapor separator into the engine, a high pressure fuel pump positioned in the vapor separator to feed the fuel under pressure to the fuel injector, and a pressure regulator positioned in the vapor separator to reduce a pressure of a return fuel, the fuel cooling apparatus including a fuel cooler having fuel and cooling water passages arranged side by side in parallel, the fuel passage interposed in a high pressure return fuel hose branched off from a high pressure fuel hose connecting the high pressure fuel pump and fuel injector and connected to upstream of the pressure regulator, the cooling water passage being positioned to circulate cooling water for cooling the engine to cool the fuel in the fuel passage.

Abstract: An outboard motor is mounted with a multiple-cylinder engine and an intake air is distributed by an intake manifold to respective cylinders of the engine. The intake manifold is formed of synthetic resin and comprises a surge tank and a branch including a plurality of branch sections extending from the surge tank to the respective cylinders. The surge tank and the branch constitute an intake manifold body which is divided along a flow direction of the intake air flowing in the branch sections.

Abstract: In a motorcycle in which an engine unit is mounted to a motorcycle body and a power transmission unit coupled to the engine unit is arranged to the motorcycle body to be swingable through a pivot shaft, a rear wheel suspension system is formed so as to include the power transmission unit, a pair of arm members disposed to lateral side portions of the motorcycle body in parallel to each other, and connection members connecting both end portions of the arm members. One of the arm members constitutes the power transmission unit which has an inner hollow portion in which a power transmission member is accommodated and has a structure dividable into lateral two parts forming an arm base section and a cover section.

Abstract: An engine of a motorcycle includes a cylinder block and a cylinder head inclined forward on an upper front portion of a crankcase of the engine in an engine installed state. The crankcase comprises a plurality of vertical case sections comprising an upper case section, a middle case section and a lower case section, and the crankshaft is pivotally supported at a mating portion between the upper case section and the middle case section and a transmission shaft is pivotally supported at a mating portion between the middle case section and the lower case section.

Abstract: A water-cooled multi-cylinder engine, includes a control system in which an engine revolution number is reduced to a level less than a restriction revolution number on the basis of at least one condition of misfire and fuel stop for all the cylinders of the engine, at a time of an occurrence of an overheat, so as to restrict an increasing of a temperature of the engine. In a case when the engine revolution number is less than the restriction revolution number after the overheat occurs, or the engine revolution number is lowered to be less than the restriction revolution number on the basis of the revolution number restriction control, a specific cylinder is controlled to be stopped by at least one of misfire and fuel stop.

Abstract: In an engine having an intake device provided with a solenoid valve, an amount of intake air is controlled on a basis of a duty control by means of a control unit, and the control unit includes an element for recognizing a state which is evidently different from a normal state to thereby stationarily hold a duty of the solenoid valve at a necessary set value.

Abstract: A power unit of the motorcycle is provided with an engine unit in which a counter shaft is pivoted to a rear portion in a casing of an engine body provided with a crankshaft disposed along a motorcycle body width direction and a bracket having a fitting hole extending rearward so as to pass through in the width direction is formed in a rear portion outside the casing, a transmission unit and a bevel unit which are pivoted in a manner to be independent from the engine unit. One side surface of a front portion of the transmission unit is fixed to one side surface of a rear portion of the casing in the engine unit so as to connect the counter shaft to the input shaft to be integrally rotatable, the same side surface of the rear portion in the transmission unit is fitted and fixed to one side surface of the bracket so as to fit and fix the bevel unit to another side surface of the bracket. Thus, the output shaft is connected to a bevel input shaft to be integrally rotatable.

Abstract: A fuel tank unit of a motorcycle comprises a tank body having a bottom portion to which a through hole is formed in a standing state of the motorcycle, a fuel pump mounted to the bottom portion of the tank body, a pump case having a bottomed bawl-shape mounted to be liquid-tightly to the through hole formed to the tank body so as to communicate an inner space of the pump case with an inner space of the tank body through the through hole, and a suction unit for the fuel pump disposed in the pump case at a height level between the bottom portion of the tank body and a bottom surface of the pump case. A pump mount bracket is further mounted to the bottom portion of the tank body to be liquid-tightly and formed with a pump mount hole to which the fuel pump is mounted.

Abstract: An outboard motor is provided with an intake device, in which a throttle body is connected to an upstream side of an intake manifold connected to an intake port formed in a cylinder head of an outboard motor engine and a silencer is connected to an upstream side of the throttle body. A noise reduction device is further disposed between a connecting portion of the throttle body and the silencer.

Abstract: A fuel tank unit of a motorcycle, in which an air cleaner and a fuel tank unit are disposed above an engine, comprises a fuel tank body having a front half portion having a recess to receive the air cleaner therein and a rear half portion serving as a substantial capacity section of the fuel tank body, a fuel pump disposed inside the substantial capacity section, and a fuel level gauge device mounted on a top portion of the fuel pump to detect a fuel level in the fuel tank body. The fuel level gauge includes a gauge body and an arm member pivoted on a gauge body, and the arm member having a free end swingable above the fuel pump.

Abstract: There is provided a transmission apparatus for a vehicle, which is arranged between a counter shaft and a drive shaft disposed in an engine unit of the vehicle, the transmission apparatus having a simple and compact structure and ease operability and permitting to achieve a reliable transmission respectively between forward gears and reverse gear to thereby make power transmission loss as small as possible and improve controllability of a gearshift fork for the reverse gear.

Abstract: An outboard motor which include an engine holder, an engine disposed above the engine holder in a state wherein the outboard motor is mounted to a hull, a mount unit including upper and lower mount devices for mounting the outboard motor to the hull and a bracket through which the upper and lower mount devices are mounted to the hull, an elastic thrust stopper disposed between the bracket and a body of the outboard motor, and a propeller driven in accordance with the engine operation. In such outboard motor, the distance between an axis of the upper mount device and an axis of the elastic thrust stopper both extending in a direction parallel to an axis of the propeller is set to be larger than a distance between axes of the upper and lower mount devices which extend in a direction parallel to the axis of the propeller.