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JP4325858B2 |
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JP2009191749A |
To provide an oiling structure for an internal combustion engine capable of easily setting an oil filling port at a position where maintenance is facilitated by avoiding interference with other components, and facilitating working of an ...
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JP4318409B2 |
To provide an output power shaft structure for a personal watercraft which is superior in durability. A shaft of a propulsion device is connected to a rear end of a crankshaft of an engine, which is carried on a watercraft body such that...
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JP4321100B2 |
A secondary balancer is used for an outboard motor vertical in-line engine which includes a crankcase, a cylinder block and a cylinder head, which are arranged in this order from a front side of the engine (i.e., hull side of an outboard...
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JP4318782B2 |
A lubrication system for an engine includes an oil discharge port in a lower section of a crankcase. A crankshaft, with a crank web attached thereto, rotates in a rotation direction within the crankcase. A first distance is formed betwee...
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JP4318798B2 |
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JP4318770B2 |
To provide a multi-cylinder engine in which cam shaft linked with a plurality of intake valves and a plurality of exhaust valves for carrying out intake and exhaust operations for a plurality of combustion chambers is rotatably supported...
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JP4318767B2 |
To reduce the width of a vehicle body and to make it easy to place hoses connecting a radiator to an engine by devising the placement of the radiator. This placing structure has a water cooled engine 2 placed horizontally and transversel...
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JP4316390B2 |
A saddle riding type four-wheeled vehicle, suitable for rough terrain running, includes an engine having an electronically controlled fuel injection system. The vehicle also includes a throttle body disposed in back of a cylinder head of...
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JP4316331B2 |
To provide an intake system adopting a double throttle body while suppressing increase in size of a vehicle body, in a motorcycle mounting a V-type engine. In the V-type engine E mounted on the motorcycle 1, intake flow passages 71, 72 a...
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JP4315356B2 |
A control system for a multicylinder direct injection engine determines a control variable for each cylinder based on engine speed and engine load. The control variable can be altered depending upon an operating temperature of each cylin...
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JP4312554B2 |
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JP4313413B2 |
To provide an internal combustion engine which can prevent an article-storage part from interfering with a throttle body or a fuel injection system, and can easily increase a storage capacity of the article-storage part. The air intake p...
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JP4311509B2 |
A fuel supply for an internal combustion engine includes an improved construction for inhibiting vapor from appearing in the fuel supplied to the engine's combustion chamber(s). A fuel injector, as one of fuel supply devices, is provided...
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JP4310762B2 |
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JP4306890B2 |
Object To provide a wind shield device for an autobicycle capable of inhibiting negative pressure generated behind the wind shield plate and improving pleasantness during high speed, long driving. Structure A wind shield device for a...
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JP4303546B2 |
An exhaust system for a motorcycle provided with a multicylinder engine, includes an exhaust aggregating member (27) for unifying a pair of exhaust passages, through which an exhaust gas exhausted from the engine is transported to a muff...
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JP4302800B2 |
The inside of a crankcase for a four-cycle engine is divided by a bulkhead into a crank chamber and a transmission chamber. A crankshaft and a balancer shaft for suppressing engine vibrations by rotating in accompaniment with rotations o...
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JP4303361B2 |
Scooter type vehicle Purpose: To provide a scooter-type vehicle including a body frame consisting of a front tube to steerable support a front wheel, a downwardly extending rear frame, downward of the front tube, and floor support frames...
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JP4303342B2 |
The multi-cylinder engine for a motorcycle has a hydraulic valve interrupter (73) which, in a certain operating regime, sets at least one valve into a rest state. A hydraulic open/closed loop control valve (113) is attached to the cylind...
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JP4300899B2 |
An engine unit for an motorcycle is disclosed in which an accessory drive gear is disposed downstream of primary dampers in the engine power transmission path, and simultaneously upstream of a clutch mechanism in the engine power transmi...
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JP2009156249A |
To provide a compact engine and a straddle type vehicle comprising the compact engine.This engine comprises a crank case 20 configured to be divided in a dividing surface S1 including an axial center of a crankshaft 40 and an axial cente...
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JP4298273B2 |
A personal watercraft and engine therefor are provided. The engine typically is mounted in a personal watercraft and configured to discharge an exhaust gas through a water muffler. The engine typically includes a cylinder head forming a ...
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JP4297398B2 |
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JP4298017B2 |
A marine propulsion housing arrangement includes an improved construction for inhibiting an influx of water into the housing and for protecting the components thereof. A marine outboard drive comprises a drive unit and at least a swivel ...
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JP4291859B2 |
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JP4290948B2 |
The engine fuel injection apparatus includes a fuel pump (95) which is connected to the fuel injection valves (103,104) via the fuel feed pipes (105,106). The fuel pump is connected to the fuel injection valves via the other fuel injecti...
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JP4287003B2 |
An outboard motor has an exhaust pipe assembly extending through a driveshaft housing. The exhaust pipe is separated into an upstream exhaust pipe and a downstream exhaust pipe which are formed separately from each other. The upstream ex...
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JP4287291B2 |
The invention relates to a throttle device, in particular for a vehicle, comprising an operational amount detecting means for detecting an amount of motion of a throttle actuator means and a throttle valve actuating means for actuating a...
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JP4284997B2 |
A 4-cycle engine for a motorcycle has a secondary-air supplier for supplying secondary air to exhaust ducts. The engine includes a recess, which is depressed toward the engine, on a cylinder-head cover for holding a control valve of the ...
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JP4282845B2 |
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JP4283002B2 |
An engine intake system including an air cleaner with an intake noise-damping box. The system is easily switchable from a noise-damping state to a non-noise-damping state when high output of the engine is regarded as important. The intak...
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JP2009133320A |
To provide a saddle-straddling type vehicle capable of preventing generation of bubble in fuel by cooling a fuel injection device at low costs in a simple structure and controlling a precise fuel injection.The saddle-straddling type vehi...
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JP4280375B2 |
A cooling device is efficiently arranged which simplifies and reduces the weight of piping for the cooling device by shortening the piping. A cooling water pump is arranged on a vertically elongated skid plate at one side of a crankcase....
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JP4275803B2 |
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JP4275811B2 |
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JP4275572B2 |
The control system establishes an engine warm-up protocol based, at least in part, on elapsed time from engine start. The control system provides a reduced reliance on engine temperature as a basis for determining an appropriate engine i...
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JP4275293B2 |
A four-cycle engine includes a cylinder block defining a cylinder bore. A piston is reciprocally disposed within the cylinder bore. A cylinder head member closes an end of the cylinder bore to define a combustion chamber together with th...
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JP4275479B2 |
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JP4278151B2 |
An internal combustion engine includes a throttle controlling mechanism; a valve characteristic varying mechanism which controls an internal EGR rate by the control of an overlap period Pa and a non-overlap period Pb; and an output setti...
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JP4271362B2 |
An exhaust system for an outboard motor includes an improved construction that can be compact enough for the limited space afforded within a powerhead of an outboard motor. The outboard motor includes an engine and a support member arran...
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JP4272297B2 |
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JP4270533B2 |
To provide a lightweight and small sized charging controller having a simple configuration that can prevent an excessive charging/discharging of a battery, and can keep the charging condition of the battery in a good condition. This char...
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JP2009115001A |
To provide driving systems and a vehicle capable of improving deterioration of fuel economy due to driving of an auxiliary machine during low load and deterioration of fuel economy due to regeneration of NOx occlusion reduction type cata...
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JP4269032B2 |
A valve cam mechanism for a four-cycle engine includes an improved construction. The engine includes at least one camshaft having cam lobes to actuate intake and exhaust valves. A decompression actuator is affixed to the camshaft for piv...
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JP4269027B2 |
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JP4270351B2 |
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JP4269082B2 |
A lubricant filter mounting structure for a internal combustion engine includes a lubricant filter mounting surface and a catch member. The lubricant filter mounting surface is positioned at an angle with respect to a vertical plane, and...
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JP4269029B2 |
An engine for a watercraft includes an improved air induction system that can have a large plenum chamber notwithstanding being placed in a narrow engine compartment. The air induction system includes a plenum chamber member defining the...
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JP4267782B2 |
Means for Solving Problems : A floor step structure 50 for a two-seater scooter 10, wherein a recess 52, opening sideward, is formed on the trailing portion of a floor step 51 for receiving a rider's foot, and a passenger step 55 is retr...
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