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4744579 |
Motorcycle with single-shock-absorber, front suspension
The axle of the front wheel of a motorcycle is carried on a pivotable member articulated about the same axis of articulation as the pivotable fork which supports the rear wheel. Single...
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4744434 |
Wheel suspension system for motorcycles
A wheel suspension system for a motorcycle including a relatively stable member and a swingable member swingably connected with the stable member and supporting thereon a road wheel. The wheel...
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4742884 |
Brake device for a motorcycle
A motorcycle having a cantilevered type rear swing arm including a rear brake between the swing arm and the rear wheel. An air inlet is provided on one side of the other rear swing arm in a thin...
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4742885 |
Fork stabilizer for motorcycle
A fork stabilizer for the front-end fork of a motorcycle is provided. The fork stabilizer includes an elongate member, comprised of unitary metallic material having a substantially solid...
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4735276 |
Apparatus for front suspension of motorcycle
This disclosure relates to apparatus for use with a motorcycle including a frame, a front wheel and a suspension system connecting the front wheel with the frame, the suspension system including a...
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4735278 |
Heated air ducting structure for motor cycles
A heated air ducting structure (20; 200; 300; 360; 400) for motor cycles (50; 350; 450) including an engine (2; 302) mounted at a lower position in the front part of a vehicle body frame (1) and a...
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4735178 |
Turbo-supercharger for internal combustion engine
A turbo-supercharger is provided for internal combustion engines which comprises a turbine disposed at an intermediate portion of an exhaust passage for the engine, and which is driven by a gas...
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4733741 |
Wear plate for a motorcycle
An arcuate wear plate mounted underlying the starter motor housing of a motorcycle protecting the same from engagement by an adjacent drive chain.
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4727953 |
Body frames for automatic two-wheeled vehicles
A pair of main frames, which form an essential part of a body frame of a motorcycle, are fixed at the front ends to a head pipe, and extend toward the rear portion of a body at a given increasing...
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4727951 |
Motorcycle front and rear wheel shock absorber assembly
A body structure for a motorcycle with a front wheel and a rear wheel, including a body frame assembly having an engine mounted thereon and having vertically swingably joined thereto a front...
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4727952 |
Motorcycle, and body structure therefor
A body structure for a motorcycle with a front wheel and a rear wheel, including a body frame assembly having an engine mounted thereon and having vertically swingably joined thereto a front...
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4727717 |
Exhaust gas cleaning system for multi-cylinder internal combustion engines
An improved exhaust gas cleaning system for a multi-cylinder internal combustion engine having an exhaust system with exhaust ports opening into a plurality of combustion chambers. A secondary air...
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4726439 |
Trunk structure in scooter-type vehicles
A multi-wheeled vehicle of the motorcycle or motor scooter type including having a vehicle body including a front cover, a rear cover and a low-slung step portion which extends beneath the line...
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4724921 |
Main stand mounting mechanism
Mechanisms for mounting a main stand on a motorcycle are disclosed. The linkage between the front portion of the motorcycle power unit and the motorcycle body frame is used to mount the main stand....
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4723620 |
Motorcycle frame and swing arm support structure
A motorcycle structure including a power unit having a transversely mounted engine with side covers of the crankcase extending forwardly of the power unit to provide mounting points for a swing arm...
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4723619 |
Cover structure for power transmission device
There is disclosed a cover structure in a power transmission device comprising a casing having an open side, a driver shaft rotatably supported by the casing, a driven shaft rotatably supported by...
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4721178 |
Multi-wheeled vehicle
The present invention provides a multi-wheeled vehicle of the motorcycle or motor scooter type including having a vehicle body including a front cover, a rear cover and a low-slung footrest portion...
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4721177 |
Device for direct driving of wheels
A device for direct-driving of wheels, adapted for various minivehicles, in particular, for bicycles, motorbikes, or motorcycles. The device comprises a fixed wheel axle, a wheel hub rotating about...
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4721179 |
Double swing-arm motorcycle frame
A motorcycle frame in which both the front and rear wheels are supported by respective pairs of swing arms pivotally supported by two side frames. Each side frame has a front and a rear bracket and...
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4717163 |
Fuel tank for straddled type vehicles
The known fuel tank for straddled type vehicles that is formed to have an inverse U-shaped transverse cross-section with its lower section bifurcated into left and right branch portions so as to...
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4715465 |
Body construction for motor scooter vehicles
A body construction for a motor scooter vehicle, is supported by a vehicle frame assembly comprising a front frame having a head tube on a front end thereof and a rear frame, and comprises a front...
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4714061 |
Inline multiple cylinder engine for motorcycles
A motorcycle having an improved engine construction wherein the combined crankcase transmission assembly of the power plant is formed from upper and lower members that have mating faces that lie in...
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4712637 |
Straddle type vehicle seat assembly
In a saddle type vehicle wherein a front portion of a saddle type seat covers a rearward portion of a fuel tank placed above the engine on a small vehicle frame, both side portions of the forward...
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4712638 |
Suspension system for motorcycles
A motorcycle having front and rear swing arm suspension systems. The motorcycle includes a structural frame including as a structural element the engine of the vehicle along with a support member....
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4712629 |
Engine and drive belt cooling system for an all terrain vehicle
The present invention relates to an improvement in the cooling efficiency of an air cooling and vent device for use with a belt drive type power transmission for an all terrain vehicle, wherein...
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4703825 |
Fairing with a ventilation system
A fairing in a motorcycle includes a fairing body covering a motorcycle engine, an air outlet duct disposed in the fairing body and having an end opening at one side of the fairing body, a fan for...
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4702339 |
Rear wheel braking apparatus for motorcycle
A rear wheel braking apparatus for a motorcycle wherein a rear fork with a rear wheel pivotally mounted on the rear end thereof is coupled to the frame of the motorcycle via a pivot shaft in a...
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4702340 |
Motorcycle apparatus
A motorcycle apparatus having improved features relating to an improved overall drive system for providing automatic transmission operation. Also described is an improved transmission construction...
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4702338 |
Suspension device for a vehicle wheel support arm and front-rear coupling system for said suspension
A suspension device of a rotary support arm of a vehicle wheel, in particular of a motorcycle, cooperating with a compression springs and front-rear coupling system of the suspension, wherein a...
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4700799 |
Frameless motorcycle
A frameless motorcycle (1) comprises a front suspension (7, 8, 9, 11, 12, 13, 5a, 5b) including an upper front swing arm (7) and a lower front swing arm (8) cooperating with each other to support a...
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4700795 |
Motorcycle with an enclosed battery mounted to have a predetermined angular relation with respect to the body frame
A motorcycle equipped with an enclosed battery having a closed structure, is characterized by installing the enclosed battery in a manner that a side face of a battery case makes an angle with a...
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4700963 |
Variable angle steering system
A steering system is disclosed for providing a continuous change in the pitch angle of the front fork of a motorcycle or similar vehicle as the handlebars are turned. A shaft is coupled to the...
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4699232 |
Exhaust pipe cover for motorcycles
A motorcycle of the type having horizontally opposed cylinder blocks and rearwardly extending exhaust pipes therefrom having a cover on either side of the vehicle extending from around the...
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4699233 |
Vehicle body frame of motor bicycle
A pair of right and left main pipes and or a pair of right and left down tubes, or a main pipe and a down tube are formed of one piece of continuous pipe material with its intermediate portion...
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4697664 |
Scooter type motorcycle
A scooter having a low bed footboard, a rear cover rearwardly of said footboard and a front cover forwardly of said footboard. An engine is located beneath the forward portion of the footboard. A...
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4696363 |
Motorcycle frame
A motorcycle having an improved, lightweight, high strength frame formed from castings and stampings that are welded to each other.
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4691800 |
Vehicle body frame for motorcycles
In a vehicle body frame for motorcycles of the type that a single-tube main frame extending from a head pipe to the rear of the vehicle body and a single-tube down frame extending downwards from...
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4690236 |
Motorcycle lubrication system
A frame for a motorcycle having a sealed cavity located within the down tube assembly. The down tube assembly includes two parallel down tubes with two cross members joining same. An inlet and...
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4690237 |
Rear structure for motorcycles
A rear structure for a motor cycle having a driver's seat and a rear rider's seat, comprises a rear trunk for receiving therein articles, a pair of armrests for bearing rear driver's elbows in a...
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4687072 |
Instrument display system
A system for a motorcycle to display various vehicle monitoring readings having a lightweight liquid crystal plate element mounted on the vehicle front within easy view of the motorcycle operator...
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4685530 |
Side cover structure for motorcycles
A side cover structure used in a motorcycle having a motorcycle frame, a fuel tank supported on the motorcycle frame, a driver's seat disposed on the motorcycle frame, and an engine supported on...
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4684144 |
Frame body of motorcycle
A motorcycle having an improved lightweight, high strength frame construction made up of a head pipe, a box section member that is affixed, as by welding to the head pipe and a pair of main frame...
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4679647 |
Rear seat cover for vehicles having a saddle-shaped seat
In motorcycles, motor-tricycles, snow-mobiles, etc. provided with a tandem seat so as to enable tandem riding, a rear end of a rear seat cover which covers a rear seat portion of the tandem seat...
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4678223 |
Cowling device for riding type vehicles
A cowling device for a cycle type vehicle includes a forward unit defining a radiator air intake opening and separate removable central panels spaced from the forward unit to define a pair of side...
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4678054 |
Body frames
For at least a portion of a body frame, a pipe member is used, which includes therein a longitudinal partition wall for defining passages. The pipe member is provided with an inlet and an outlet to...
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4676332 |
Exhaust pipe supporting structure
An exhaust pipe supporting structure (10) comprising an anti-vibratory member (14) reduced in spring coefficient, gradually along the length from one part (14a, 8b) thereof connected at the side of...
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4673190 |
Protective bar assembly for motorcycle
A protective bar assembly for a motorcycle comprising a side bar assembly that extends along the side of the motorcycle and operator and a vertical, U-shaped roll bar that extends upwardly from the...
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4673052 |
Motorcycle housing exhaust system
A motorcycle having exhaust pipes of equal length and a V-type engine having a front and rear cylinder block. The exhaust pipe associated with the front cylinder block extending directly back to...
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4671374 |
Main stand device for two-wheeled motorcycle
A main stand device for a two-wheeled motorcycle having a body frame, which comprises a main stand pivotally secured to the body frame for rotation between a stored state and a standing state, an...
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4664215 |
Shaft drive for balloon tired motorcycle
An improved drive arrangement for an off the road motorcycle having a balloon tired rear wheel that has a width at least equal to the width of the vehicle frame. The rear wheel is driven from an...
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