Abstract: A power unit 4 is mounted in a rear part of a vehicle, a shaft C shared by a motor 2 and a motor speed reducer 3 is disposed in a vehicle width direction, and a sub-frame 8 is provided around the power unit 4, a front cross frame 11 is disposed over a front portion of the power unit 4 in a front view of the vehicle and disposed in parallel with the shaft C of the motor 2, a rear cross frame 12 is disposed over a side portion of the power unit 4 in a side view of the vehicle, and left and right side portions of the power unit 4 are suspended from a vehicle body via suspension brackets 13 and 14 provided on side frames 9 and 10, circular mount rubbers 15 and 16, and motor-side mount brackets 17 and 18.

Abstract: A single-cylinder or in-line multi-cylinder engine is provided. The engine includes a crankshaft, a piston, a cylinder body, a cylinder head, and a gear change mechanism. The piston is connected to the crankshaft. A cylinder is formed in the cylinder body. The piston is housed in the cylinder. The cylinder head is attached to an end of the cylinder body. The gear change mechanism is disposed to the rear of the crankshaft. An axis of the cylinder extends upward obliquely to the rear from the crankshaft side. The axis of the cylinder passes in front of an axis of the crankshaft when viewed from a direction in which the crankshaft extends.

Abstract: The invention provides a buggy engine anchorage structure, which is characterized primarily by the fixing of the engine on a vehicle frame in a horizontal manner, where the output end of the engine is perpendicular to the rear wheel axle, and the output end of the engine and the rear wheel axle are perpendicular to each other to carry out a power linkage through a power output conversion structure by the output end of the engine, which enables the power at the output end of the engine to be transmitted through the power output conversion structure to the rear wheel axle. Accordingly, the engine fixed on the frame horizontally no longer squeezes the space of the vehicle operator and the passengers. Additionally, the engine and the frame can be then integrated into a single piece, which substantially avoids the vibrations due to the engine as the vehicle is moving.

Abstract: A power unit for a small type vehicle wherein a speed change mechanism is disposed on a lateral side of a crankcase on the side of one end of a crankshaft. A valve operation controller for controlling the operations of valve operation mode change mechanisms and a speed change controller for controlling a speed change operation of a speed change mechanism are attached to an engine body, to lay out the valve operation controller and the speed change controller in good balance of center of gravity so as to prevent the center of gravity of the power unit from being deviated to one side. The valve operation controller and the speed change controller being attached to the engine body on the opposite side of the clutch device with respect to a vehicle body center line in a direction along the axis of the crankshaft.

Abstract: A technique for suppressing the stay of liquefied fuel in a purge pipe in a saddle seat type vehicle having a canister for adsorbing fuel gas. A motorcycle includes a center tunnel above which a foot passage space for allowing the passage of an operator's foot in riding the vehicle is formed and a fuel tank located inside the center tunnel on the front side of an engine. The center tunnel is provided so that a lowermost point of the foot passage space is higher in level than a connection point where a purge pipe is connected to an intake pipe, and the center tunnel has an inclined portion inclined upward from the lowermost point toward the front end of the vehicle. A purge control valve is located at a position on the front side of the lowermost point and higher in level than a canister.

Abstract: A modular, wheeled military vehicle includes a driver module, an engine module, which form a central chassis module (CCM) that is adapted to receive the multipurpose pods on both sides and the rear of the CCM. The CCM and pods are generally V-shaped with slanted, upward extending sides to create multiple blast venting paths to deflect blast energy away from the vehicle occupants. These blast paths could consist of one or more chimneys through the vehicle further reducing occupant exposure to blast energy. For example, the engine module, and front and rear tractive units, can be manufactured with an open framework, allowing significant under vehicle blast venting between the modules and pods, through the engine module, and forward, rearward and to the sides of the vehicle; thereby increasing survivability of the crew. The pods can be designed to rotate and/or be frangible to increase the blast-venting path through the vehicle.

Abstract: A non-uniform load is prevented from acting on a cross member to reduce the weight of the cross member in a saddled vehicle. In the saddled vehicle has a vehicle body frame 11 for suspending an engine 12, a swing arm 14 for suspending a rear wheel WR freely swingably, pivot portions 29 which are formed as a right-and-left pair, constitute a part of the vehicle body frame 11 and pivotably support the swing arm 14, a lower cross member 28 for joining the pivot portions 29, a rear cushion 32 for applying elastic force to the swing arm 14, a link mechanism 31 for joining the lower end 32A of the rear cushion 32, the swing arm 14 and the pivot portions 29, a link joint stay 70 which is formed at the rear side of the lower cross member 28 and joins the link mechanism 31, and a lower hunger 48 that is formed at the front side of the lower cross member 28 and fixes the engine 12, the link joint stay 70 and the lower hunger 48 are formed at the same position with respect to the vehicle width direction.

Abstract: A mounting method for a skid steer loader is disclosed including coupling a first end portion of a component directly to a first wall of a skid steer loader frame. The method also includes coupling a second end portion of the component to an opposite wall of the skid steer loader frame by a mounting system that allows for dimensional differences between the component and the skid steer loader frame.

Abstract: A seat front member and a seat rear member are connected to each other through left and right seat rails. The seat front member and the seat rear member are disposed on an upper surface of a floor panel. An outer end of a bracket is joined to an inner side of a side frame and an upper end of the bracket is joined to the under surface of the floor panel. The bracket is disposed on a region wherein, the bracket is sandwiched between the seat front member and the seat rear member. A lower surface of the bracket is disposed a higher distance from the ground than a lower surface of the side frame. A rear mount member is rigidly coupled to a lower surface of the bracket and a lower surface thereof is disposed at a higher distance from the ground than the side frame.

Abstract: A utility vehicle comprises a vehicle body frame including a main frame including a floor member and a pair of right and left side members and a sub-frame for reinforcing the main frame, each of the side members includes a side pipe element, a first pillar pipe element, a second pillar pipe element and a third pillar pipe element, the sub-frame includes a first cross member provided between and coupled to second pillar pipe elements, one end portion of the first cross member is detachably coupled to one of the second pillar pipe elements and an opposite end portion of the first cross member is detachably attached to the other second pillar pipe element.

Abstract: In a motor mount structure of an electric vehicle, in which a front cross frame is connected to a front cross member, a rear cross frame is secured to a rear cross member, opposite sides of a power train in a vehicle width direction are supported on side frames by a side mount device placed so that positions in a vehicle fore-and-aft direction and a vehicle vertical direction are close to a horizontal line passing through the center of gravity of the power train and extending in the vehicle width direction, while a front mount device that regulates rolling of the power train is placed on a front portion of the power train, and the front mount device is mounted to a central portion of the front cross frame in the vehicle width direction.

Abstract: To provide an exhaust device capable of suppressing exhaust interference generated between a front cylinder exhaust pipe and a rear cylinder exhaust pipe, and further substantially equalizing an exhaust performance of front and rear cylinders. An exhaust device of a vehicle provided with a V-engine 5 having a front cylinder 52 and a rear cylinder 53 has a muffler 93 arranged in a rear part of the vehicle, a front cylinder exhaust pipe 91 connected to a front surface of the front cylinder 52, a rear cylinder exhaust pipe 92 connected to a rear surface of the rear cylinder 53, a collecting pipe 94 collecting the front cylinder exhaust pipe 91 and the rear cylinder exhaust pipe 92, and a downstream exhaust pipe 95 reaching from the collecting pipe 94 to the muffler 93. Total length of the front cylinder exhaust pipe 91 and total length of the rear cylinder exhaust pipe 92 are substantially the same.

Abstract: A wheeled forestry tractors design, such as that for a wheel feller-buncher or a site prep tractor, is disclosed. The disclosed design includes a front axle connected to a rear axle by an articulated chassis. A cab is supported between and above the front and rear axles by the chassis. An engine and a hydraulic system are mounted opposite the rear axle from the cab and in a side-by-side relationship with the engine being aligned transversely with respect to the chassis and parallel to the rear axle. The engine is mounted transversely or parallel with respect to the rear axle and slightly behind the rear axle to improve the weight distribution between the front and rear axles or between the front and rear frames.

Abstract: An operating system for a tractor to which an implement is attachable, the operating system comprises: a steering wheel provided rearwardly of a hood that houses an engine located in a forward region of the tractor; a control panel provided rearwardly of the hood and adjacent the steering wheel; a center cover extending generally vertically below the steering wheel; an operation lever provided at a position laterally of the control panel; a valve unit with a pair of spools, the valve unit being located at a lower position with respect to the steering wheel and being covered by the center cover; a link mechanism that links the operation lever and the pair of spools, the link mechanism being covered by the center cover.

Abstract: In a method for controlling the operation of an internal combustion engine, a target torque to be produced is determined in several steps: In a first step a torque requested by a user is determined and modified in subsequent steps by different functions, which reproduce the influences of at least one continuously determined working and/or operating parameter of the engine on the torque that is actually produced, in such a way that at the end of the steps the target torque required during the engine operation is defined and the engine operation and the determination of the working and/or operating parameter are monitored for errors. If errors occur, diagnostic values that describe or indicate the errors are generated and used to modify, in particular limit the target torque. The diagnostic values are individually assigned to the individual steps to modify the determination or modification of the torque performed in each step.

Abstract: In an electrically-operated vehicle including rear wheels on right and left sides of a rear portion of a vehicle body, the electrically-operated vehicle includes a motor that drives the rear wheels, a battery 51 that is arranged above the motor, and a lower battery that is placed between the right and left rear wheels. The lower battery and the motor are arranged in a distributed manner over an axle of the rear wheels between a vehicle front side of the axle of the rear wheels and a vehicle rear side of the axle of the rear wheels. An upper end portion of a rear cushion is supported on a vehicle body frame, and the battery and the motor are supported on a lower end of the rear cushion.

Abstract: An all-terrain vehicle including a frame having longitudinally-spaced ends defining a first longitudinal axis, and an engine supported by the frame. The engine includes a crankshaft defining a second longitudinal axis substantially parallel to the first longitudinal axis.

Abstract: The entertainment system of one of the preferred embodiments includes a recreational vehicle, an event sensor attached to the recreational vehicle, an event element able to be detected by the event sensor, a processor connected to the event sensor, and a game program operated by the processor. The entertainment system functions to enable interactive game-like capabilities for a movable vehicle. The entertainment system is preferably used for children recreational vehicles (miniature cars), but may alternatively be used by other vehicles.

Abstract: An engine for vehicle includes an oil hydraulic automatic transmission for changing the change gear ratio by control of an oil pressure. The oil pressure control unit of the transmission includes a plurality of control valves for controlling the oil pressure, and is mounted to an upper portion of a crankcase. A power transmission shaft interlockedly connected to a counter shaft and having an axis parallel to the counter shaft is disposed on the lower rear side of the counter shaft, and a drive bevel gear on the power transmission shaft and a driven bevel gear are meshed with each other on the rear side of the axis of the power transmission shaft. The resulting configuration eliminates the need for a special measure to protect the oil pressure control unit, and prevents interference of the driven bevel gear with the gear speed change mechanism.

Abstract: A swiveling work machine includes: a swivel deck; an engine disposed rearward of the swivel deck; a suction type radiator disposed rearward of the swivel deck; a bonnet covering the engine and the radiator and forming an engine room; a cabin disposed frontward of the engine room; a partition wall standing on the swivel deck between the cabin and the engine room and forming a front portion of the bonnet; an air conditioner main body disposed frontward of the partition wall and in a lower portion of the cabin; an ambient air inlet for supplying ambient air to the air conditioner main body, the ambient air inlet being formed in a portion of the partition wall facing a radiator suction space; and a filter provided in the ambient air inlet.

Abstract: In a motor driven vehicle in which an electric motor is disposed in a vehicle-body-rear portion of a swing arm swingably supported by a body frame and the vehicle travels by transmitting the drive force of the electric motor to a rear wheel, a vibration generating device for generating vibration in accordance with the transmitted drive force is installed on a drive force transmission path from the electric motor to the rear wheel. The vibration generating device includes a gear pair partially embedded with respective weights to lose a rotational balance during rotation. A sound producing device for producing a predetermined sound in accordance with the transmitted drive force is installed on the same transmission path. The sound producing device is driven by a transmitting device reciprocating through contact with a cam attached to a reduction gear serving as a rotating body.

Abstract: An engine mount system for a lawn mower having a front, rear, and two sides. The engine mount system includes a mounting plate, an engine, first and second elastic members, and first and second brackets. The engine is mounted to the mounting plate and applies a torque force to the mounting plate during lawn mower operation. The first bracket is provided on the mounting plate and includes a first surface. The first surface is adjacent the first elastic member and partially faces the front, thereby placing the first elastic member into compression when the engine applies the torque force to the mounting plate. The second bracket is provided on the mounting plate and includes a second surface. The second surface is adjacent the second elastic member and partially faces the rear, thereby placing the second elastic member into compression at the same time as the first elastic member.

Abstract: A wheelchair of the mid-wheel drive type comprises a chassis frame (10), a pair of front link arms (30) and a pair of rear link arms. The link arms are pivotally connected to the chassis frame. Front caster wheels (32) and drive wheels (53) are fixed to the front link arms. Rear caster wheels (42) are fixed to the rear link arms. Each front link arm (30) is operatively connected to an adjacent rear link arm (40) by means of a respective coupling means (70), which is arranged to transmit pivotal movement of one of the front (30) and rear (40) link arm to an opposite pivotal movement of the other of the front (30) and rear (40) link arm.

Abstract: An engine for a snow vehicle has a crank shaft supported by a crank case along the width direction of the snow vehicle. An oil pan is disposed below the crank case. A cylinder block is disposed above the crank case. The engine is mounted on the snow vehicle such that an axis of the cylinder block is inclined rearward. An oil pump is disposed behind and below the crank shaft. An oil filter is disposed in front of the crank shaft.

Abstract: An all-terrain vehicle including a frame having longitudinally-spaced ends defining a first longitudinal axis, and an engine supported by the frame. The engine includes a crankshaft defining a second longitudinal axis substantially parallel to the first longitudinal axis.

Abstract: Provided is an electric vehicle that is easy to start to move even when there is load applied, and which does not generate rotational resistance of the electric motor when the vehicle is push-walked. A connection/disconnection mechanism is provided between the electric motor (50) and the speed reducing mechanism (70) to switch transmission of the rotating driving force from a disabled state to an enabled state when the electric motor (50) rotates at a predetermined rotation speed or more. The connection/disconnection mechanism is a centrifugal clutch (40). The swing arm (12) is configured as a cantilever-type, supported only at the left side in the vehicle width direction, so that the centrifugal clutch (40), the electric motor (50), and the speed reducing mechanism (70) are arranged in this order, from the left side in the vehicle width direction.

Abstract: An upper assembly structure of a work machine comprising a driver's seat mounted on a vehicle body, an engine compartment for housing an engine, a tank compartment for housing a tank, a hood, a tank cover member, a first partition for partitioning between the engine compartment and the driver's seat, a second partition for partitioning between the tank compartment and the driver's seat, and a support frame mounted on the engine compartment including an arm member protruding from the support frame toward the tank compartment, wherein the engine compartment and the tank compartment are arranged to form an L-shape as viewed from the top, wherein the engine compartment is covered by the first partition and the hood, wherein the tank compartment is covered by the second compartment and the tank cover member, and wherein the arm member supports internal equipment arranged inside the tank compartment.

Abstract: The invention relates to an engine mount for mounting an engine on a frame of an agricultural or industrial utility vehicle. The frame has two spaced apart frame elements. Further components of the utility vehicle, such as a gearbox and/or a vehicle axle, can be attached to the frame elements. An outer portion of an engine housing forms a mounting structure through which the engine is mounted on the frame elements, so that no external forces are applied to the engine or to the engine housing. The engine is mounted on the two frame elements using only the mounting structure.

Abstract: A saddle riding type, electric vehicle includes a swing arm removably and vertically swingably supported on a vehicle body frame, and an electric motor, a battery for supplying the electric motor with electric power, and a control unit for controlling the electric motor. The electric motor, the battery, and the control unit are disposed on the swing arm. The swing arm integrally provides, forwardly of a rear wheel, a bulkhead for accommodating a battery in isolation from an electric motor and a control unit. The bulkhead has an opening portion that faces terminals disposed on the battery. A battery accommodating portion integrally provides a partition wall extending in a vehicle width direction to form a plurality of accommodating chambers with each containing one of a plurality of batteries. A stand disposed downwardly of the partition wall is supported rotatably on a bottom wall of the battery accommodating portion.

Abstract: An outer surface of a rear end of each of a pair of front frames is connected to an inner surface of a front end of the corresponding one of a pair of main frames with a spacer being interposed therebetween. Accordingly, a spacing width between the pair of front frames can be defined freely and independently of a spacing width of the pair of main frames, so that maximum steerable angles of front wheels can be increased as much as possible without increasing a mounting pitch of the pair of front wheels. Preferably, the pair of front frames are arranged such that at least upper regions in rear end surfaces thereof are located forward of the mount flange, and the engine unit and the flywheel unit are supported by the vehicle frames such that at least lower portions thereof are overlapped with the vehicle frames in a side view and the mount flange is overlapped with the upper regions in the rear end surfaces of the front frames in a front view.

Abstract: An engine arrangement structure of a saddle-ride type vehicle includes an engine having a crankcase and a cylinder part overhung upwardly from the crankcase. An alternating current generator is provided at one end of the crankshaft with a power transmission system member being provided at the other end thereof. The alternating current generator and the power transmission system member are overhung ahead of and behind the engine relative to the engine cylinder part, respectively. A width by which the power transmission system member is overhung is larger than that by which the alternating current generator is overhung. The alternating current generator of the engine is arranged so as to be directed to the front side of the vehicle body and the power transmission system member is arranged so as to be directed to the rear side of the vehicle body.

Abstract: In a motorcycle-use power unit in which a clutch device arranged in a power transmission path between a crankshaft and a drive wheel is housed in a clutch chamber which is defined between a crankcase and a clutch cover joined to a side surface of the crankcase, the maintenance of the clutch control device can be easily performed while preventing a lowering of oil-pressure transmission efficiency between the clutch device and the clutch control device and preventing an increase in the weight of the motorcycle. A clutch control device performs a changeover of engagement and disengagement of a clutch device by controlling the oil pressure applied to the clutch device. Oil passages for connecting the clutch control device and the clutch device with each other are mounted on a clutch cover.

Abstract: A swather tractor has a frame defined by a main tractor frame carrying the cab, engine and drive system, rear axle with castor wheels and a transverse front frame assembly mounted at a front of the main frame. The front rigid frame assembly carries the header and comprises a cross member and a pair of upstanding legs each carrying a front ground wheel hydraulically driven so that steering is controlled by the rate of forward movement of the front wheels. In order to provide improved suspension, the main frame is connected to the front frame assembly by a coupling which allows up and down suspension movement of the main frame relative to the front frame assembly.

Abstract: An automobile is provided with a body, a combustion engine and a transmission operationally connected to the engine. The crankshaft of the engine is substantially oriented in vehicle transverse direction and the engine seen in driving direction of the vehicle is arranged behind the transmission.

Abstract: An engine room is divided into a left room and a right room by a cooling unit. An intake chamber is disposed at a left side and an engine and the like are disposed at a right side. A cooling heat sink is provided on a side of the intake chamber, and a storage and a controller for controlling hybrid electronic devices are formed in this order in a cooling heat sink. Further, a cooling pump for supplying cooling liquid to the cooling heat sink is provided in the intake chamber. A radiator for cooling the cooling liquid is provided in front of the cooling unit.

Abstract: A vehicle is disclosed. The vehicle may include an operator area including side-by-side seating. The vehicle may further include a prime mover and a transmission operatively coupled to at least one ground engaging member of the vehicle. The prime mover may be a diesel engine and the transmission may include a CVT. The prime mover and the transmission may be assembled together and supported by a frame of the vehicle through a plurality of mounts.

Abstract: A vibration isolation assembly is disclosed. The vibration isolation assembly comprises a first body member, a second body member, a first isolation member, a second isolation member, and a least one fastener. The first and second body members are configured to matingly engage one another and the first and second isolation members are partially retained by portions of the first and second body members, respectively. The fastener serves to securing the first and second body members together.

Abstract: Embodiments of the invention provide a vehicle in which an intake device including a throttle body is connected to a rear-side surface of a cylinder head which constitutes a part of an engine body which is mounted on a vehicle-body frame in a state where an axis of a crankshaft is arranged along the longitudinal direction, wherein a sufficient clearance can be ensured between the intake device and a member which is arranged above the throttle body. A posture of the throttle body 30 is set such that an axis C2 of an intake passage formed in the throttle body 30 extends in the rearward and downward direction.

Abstract: An off-road vehicle is disclosed having a frame (32), at least four wheels (36, 38) suspended from the frame (32), a left seat (40B), a right seat (40A), an engine (48) mounted to a middle portion (62) of the frame (32), and a console (70) mounted on the middle portion of the frame (62) laterally between the left seat (40B) and the right seat (40B). The console (70) covers the upper portion of the engine (48) and defines a central cooling tunnel (88) extending forwardly and rearwardly of the engine (48) which tunnels air flow around the engine (48) for cooling the later. The off-road vehicle also features a passageway in front of the central cooling tunnel, and a fan aligned with the passageway to increase air flow through the central cooling tunnel (70) when required.

Abstract: The invention is a vehicle for ground operation that is an aerodynamic shell attached to wheels. The aerodynamic shell is shaped according to aircraft technology and it is elevated such that air flow around that shell is like air flow would be for that shell in flight. Elevation is accomplished by the attaching structure. Wheels at each side of the vehicle are arranged in wheel trains that are filled in and streamlined to form secondary aerodynamic units, with space between wheels used for equipment. This minimizes objects that would interfere with air flow. Special stability issues arise due to the resulting higher center of gravity of the elevated vehicle. These issues are addressed by significantly rearranging conventional vehicles. The result is a collection of novel vehicles such as trucks, automobiles, and buses that offer the benefit of large reductions in energy usage.

Abstract: The invention relates to the automotive technique. Its use while creating new and improving current all-terrain vehicles allows to ensure the achievement of the technical result in the form of simplifying the all-terrain vehicle transmission, increasing the reliability, and decreasing the wheels surface wear, specifically for wheels having a non-hub drive.

Abstract: A motor vehicle has an internal combustion engine mounted in a central tunnel of the vehicle floor pan. The internal combustion engine comprises an engine block assembly having a lower end closed by an oil pan and an upper end extending at an angle ? from a rear of the engine block assembly to a front thereof. An engine block closes the upper end and defines a crankcase that is configured to house a crankshaft for rotation therein. A cylinder housing assembly is reclined from vertical, towards the rear of the engine block, about an axis of the crankshaft by an angle ?. At least a portion of the cylinder housing assembly and the crankcase are disposed in the central tunnel of the vehicle floor pan.

Abstract: There is provided an apparatus 2 for generating electrical charge from a motive power source 3. The apparatus 2 comprises an alternator 3a and a worm drive assembly 4 connectable to the motive power source 3. The worm drive assembly 4 comprises a drive shaft 14 a worm gear 20; and, a worm wheel 32 configured so as to mesh with the worm gear 20 and as is further arranged so as to be operatively associated with the alternator 3a. During use, rotation of the drive shaft 14 by the motive power source 3 effects generation of electrical charge by the alternator 3a.

Abstract: An engine suspension structure in a two-wheeled motor vehicle is disclosed. Left and right down frames (18L, 18R) separated in a vehicle width direction extend downwardly from a vehicle body frame (11). A mounting plate (39) is attached so as to be held between the left and right down frames. An engine (12) is attached to the mounting plate.

Abstract: A hybrid drive has first and second electrical machines (12, 11) and an energy store (13). A converter (14) is assigned to the energy store (13). First and second converters (16, 15) are assigned to the first and second electrical machines (12, 11) and combine to form a modular unit (17) with a basic module (18) and a supplementary module (19). The basic module (18) has the first converter (16), cooling connections (20, 21), fasteners (24) for attachment to a body, a connection (22) for the converter (14) of the energy store (13) and a connection (23) for the first electrical machine. The supplementary module (19) is coupled to the basic module (18) and has the second converter (15) and a connection (25) the second electrical machine (11). The supplementary module (19) is cooled via the basic module (18) and coupled to the converter (14) of the energy store (13).

Abstract: An attachment system to fasten a power system to a frame of a loader is discussed. The frame has a proximal end, a distal end, and first and second opposing sides. The power system has an engine, and an arrangement of one or more hydraulic pumps attached to the engine. The attachment system has first and second connection points positioned in close proximity to a center of gravity of the power system relative to the direction between the proximal and distal ends of the loader. The attachment system also has a third connection point positioned distally from the first and second connection points, wherein the positions of the first, second and third connection points connect the power system to the frame to allow most of the weight of the power system to be loaded onto the first and second connection points.

Abstract: An apparatus and method for storing and supplying a fluid for use by a motorcycle engine includes a fluid tank assembly that can be mounted so that at least a portion of it is integral with a motorcycle frame. The assembly includes a center block that is mounted within a cavity in the motorcycle frame and two fluid reservoir housings, each mounted on opposite sides of the frame exterior and adjacent to the center block. The center block includes a hole of sufficient diameter that reservoir chambers, defined by the two reservoir housings, are in a free-flowing, fluid communication with one another via the center block hole. Moreover, the center block is a structural element thereby providing strength to the motorcycle frame.

Abstract: A power unit for a vehicle including a clutch capable of making and breaking the transmission of power to a drive wheel. The clutch is interposed in the course of a power transmission path, along which rotational power of a crankshaft is transmitted to the drive wheel. The clutch is rotatably borne on a crankcase, and its axis is set along the front-rear direction of the vehicle. A clutch actuator is provided for controlling the connection and disconnection of the clutch. The clutch actuator mounted to an engine body including the crankcase. This arrangement of the clutch actuator eliminates a need to increase the front-to-rear length of the engine and the vehicle body.

Abstract: A vehicle includes a front axle and rear axle, where at least one of said axles is driven, an engine arranged in the vicinity of the rear or front end of said vehicle, the engine including an output shaft connected to the driven axle via a transmission system for transmitting driving power from the engine to the driven axle. The transmission system includes at least a multiple-speed gearbox for causing variable gear ratio between the engine and driven axle. The engine and at least a part of the gearbox are arranged on each side of the driven axle, and are connected only via a power transmitting device so that an engine block of the engine is separated from a gearbox housing of the gearbox.

Abstract: To enhance the balance in weight of the right and the left of the body of a four-wheel vehicle. In a four-wheel vehicle, an engine is supported by a body frame. A swing arm is swingably attached to the body frame. Rear wheels are supported by the swing arm. A rear cushion unit is attached between the rear of the body frame and the side of the rear end of the swing arm. Power from the engine is transmitted to the rear wheels via a rear propeller shaft. The center of the engine (that is, an axis of a crankshaft) and the rear cushion unit are set on one side and the rear propeller shaft is set on the other side respectively with respect to a center line of the body extending in a longitudinal direction of the body.