CN103121483B - Fuel evaporation configuration structure of straddle type motorized cart - Google Patents

Fuel evaporation configuration structure of straddle type motorized cart Download PDF

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Publication number
CN103121483B
CN103121483B CN201310041432.2A CN201310041432A CN103121483B CN 103121483 B CN103121483 B CN 103121483B CN 201310041432 A CN201310041432 A CN 201310041432A CN 103121483 B CN103121483 B CN 103121483B
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tank
fuel
charcoal tank
charcoal
configuration structure
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CN103121483A (en
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向友森
邹志民
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Jiangmen Dachangjiang Group Co Ltd
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Jiangmen Dachangjiang Group Co Ltd
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Abstract

The invention discloses a fuel evaporation configuration structure of a straddle type motorized cart. The fuel evaporation configuration structure of the straddle type motorized cart comprises a head tube, a main cart frame, and a back cart frame, a concave-shaped straddle part which facilitates riders to stride a cart body in one foot is formed between the main cart frame and the back cart frame, a fuel tank which is at least partly overlapped with the concave-shaped straddle part and a tool box on the back position of the fuel box are arranged on the back cart frame, the fuel tank and the tool box are arranged below a cart seat, an oil-gas separator on the fuel tank is connected with a carbon tank through an absorption tube, the back cart frame is a single beam which an independent cart frame stretches to a back top position, the carbon tank is arranged inside space between the fuel tank and the tool box of the cart body, the carbon tank is vertically arranged, and at least partial carbon tank is overlapped with the fuel tank when the cart is overlooked. The fuel evaporation configuration structure of the straddle type motorized cart ensures capacity of the fuel tank and the tool box and compact cart body. Additional protective components are unnecessary due to the fact that the carbon tank is protected by the fuel tank, the tool box, and a cart body cover.

Description

The fuel oil evaporation configuration structure that saddle ride type is two-wheeled
Technical field
The present invention relates to the optimization to the two-wheeled fuel oil evaporation configuration structure of saddle ride type.
Background technology
Existing two-wheeled in order to fuel vapor being introduced engine combustion and preventing fuel vapor from evaporateing in air, be usually all provided with EVAP Evaporative System.At present fuel tank and instrument cases are arranged in the vehicle of below-seat, the layout of EVAP Evaporative System routine is rear portion charcoal tank being arranged in fuel tank sidepiece or fuel tank and instrument cases, this layout affects larger on scooter and beam bending bicycle, especially for double hose Rear frame, due to a left side, right a pair vehicle seat side lever is (namely left, right back vehicle frame) larger along the spacing in overall width direction, it is narrow and small along the fuel tank side spaces outside overall width direction that this just causes being positioned at vehicle seat side lever, if charcoal tank is arranged in fuel tank sidepiece, then consider the interference will avoiding vehicle seat side lever, only arrange on fuel tank for charcoal tank of stepping down recess or significantly cut down the volume of instrument cases to reserve charcoal tank installing space, this will inevitably cause volume of fuel tank to diminish, fully can not guarantee the problem such as narrow space in tank capacity or instrument cases, if do not change the structure of original fuel tank and instrument cases and charcoal tank installed along overall width direction evagination, then will inevitably increase the width of car body, the compactedness of locomotive is affected, and finally affect comfortable riding.In addition, if charcoal tank to be installed on the rear portion of fuel tank and instrument cases, then can to increase the discharge piping length connecting charcoal tank and carburettor, and then affect the desorption ability of charcoal tank IFO intermediate fuel oil steam; Simultaneously, for the locomotive being configured with secondary air filter, abnormal sound is produced when inhale fresh air for avoiding secondary air valve, the structure of secondary air filter, shape and size are all determined and can not arbitrarily change, when charcoal tank is arranged in the rear portion of fuel tank and instrument cases, when meeting locomotive compactedness, the layout of secondary air filter and the layout of respective line thereof will become numerous and jumbled confusion, the arrangement length of respective line on secondary air filter may be extended, certain influence is caused to the normal work of secondary air filter.
Summary of the invention
In order to overcome the deficiencies in the prior art; the invention provides the fuel oil evaporation configuration structure that a kind of saddle ride type is two-wheeled; this structure both ensure that the compactedness of locomotive; also fully ensure that fuel tank and instrument cases capacity and the protection to charcoal tank, make respective line layout become rationally succinct etc. simultaneously.
The technical solution adopted for the present invention to solve the technical problems is:
The fuel oil evaporation configuration structure that saddle ride type is two-wheeled, comprise head tube, described head tube is connected with to the back lower place extend, for hanging the main car frame of driving engine, the rear end of main car frame is connected with the Rear frame extended rearwardly and upwardly, be formed between main car frame and Rear frame and be convenient to the single pin of knight and cross over the concave shape of vehicle body across taking advantage of portion, described Rear frame is provided with at least partly with the described fuel tank across taking advantage of portion overlapping and the instrument cases being positioned at fuel tank rear, described fuel tank and instrument cases are configured at below-seat, oil separator on fuel tank is connected with charcoal tank by adsorption tube, described Rear frame is the single beam that autonomous vehicle frame extends rearwardly and upwardly, described charcoal tank is arranged in the space between car body fuel tank and instrument cases, charcoal tank is longitudinally arranged, overlook and see that vehicle is overlapping with described fuel tank up to small part charcoal tank.
As the improvement of technique scheme, described charcoal tank is arranged in the space on the left of car body between fuel tank and instrument cases.Consider that carburettor is generally arranged in car body leftward position, therefore charcoal tank is arranged on the left of car body charcoal tank upper pipeline can be avoided to cross overall width, be conducive to the length shortening respective line, improve carburettor to the desorption ability of charcoal tank.
As the further improvement of technique scheme, the lower surface of described charcoal tank is provided with logical air pipe and leakage pipe, described logical air pipe is just " 7 " the type structure its vent being introduced eminence by charcoal tank lower surface; Described leakage pipe extends to body bottom towards front lower place.Just " 7 " type structure of logical air pipe avoids in conventional art to be introduced in accumulator box or the structure introduced in the middle part of car body by logical air pipe, the vent of logical air pipe introduces eminence by charcoal tank lower surface can strengthen distance between vent and rear mudguard, after car load has assembled, the vent of logical air pipe covers by body cover, the protection against dust near logical air pipe vent can be improved, the raising of protection against dust can omit the pipe arrangement usually connected, and easily seeks the densification of vehicle.
The upper surface of described charcoal tank is provided with fuel vapor inflow entrance and fuel vapor outlet port, described adsorption tube is docked with fuel vapor inflow entrance by the shutoff valve of toppling over be installed on instrument cases, and described fuel vapor outlet port is connected in the carburettor of locomotive with the Pcv valve be installed on main car frame by discharging pipe arrangement.
Further, described oil separator to be arranged on fuel tank on end face position on the right side.By left side during locomotive parking, oil separator is arranged at Oil-gas Separation room when position on the right side makes parking and is positioned at extreme higher position, increases the volume of Oil-gas Separation room, is conducive to being separated of liquid fuel in fuel tank and fuel vapor.
Preferably, in described Rear frame, the below that is positioned at described instrument cases is provided with rear mudguard, this rear mudguard extends outwardly along the limit, left side in overall width direction and forms charcoal tank and install lug, described charcoal tank is installed on lug and is connected with charcoal tank mounting bracket, charcoal tank is equipped with gum cover, charcoal tank mounting bracket and gum cover are respectively arranged with mutually adaptive plug tenon and slot, and described charcoal tank was fixed on rear mudguard by plug tenon and coordinating of slot.Charcoal tank is connected on rear mudguard by charcoal tank mounting bracket, rear mudguard design can be simplified, improve mould process; By charcoal tank and pre-group of gum cover, avoid being rigidly connected of charcoal tank and rear mudguard in conventional art, effectively can reduce the vibration that vehicle body passes to charcoal tank, improve the durability of charcoal tank.
Further, described charcoal tank is provided with the groove for accommodating described gum cover, a cell wall of this groove is formed with a breach, described gum cover is provided with the projection of corresponding breach, gum cover is placed on after on charcoal tank, and described projection is embedded in described breach.Being provided with of protruding and breach is beneficial to location when gum cover is installed and spacing after installing, prevents gum cover loosening.
Further, described charcoal tank mounting bracket comprises one and installs the rake that lug fits and the lappet being connected to this rake back side edge with charcoal tank, and described lappet is in the U-shaped structure towards open front, and two U-shaped limits of lappet form described plug tenon.This structure is conducive to pre-group of charcoal tank and gum cover, easy to operate, installs firmly.Can be upper and lower two and be placed on charcoal tank by preferred described gum cover, each U-shaped limit of lappet all comprises two plug tenons.
The invention has the beneficial effects as follows: in the present invention, Rear frame adopts single beam, effectively can stop the interference of the left and right seat side pole pair charcoal tank of double hose Rear frame, can easily charcoal tank be arranged between fuel tank and instrument cases when substantially not changing fuel tank and instrument cases volume, fully ensure that fuel tank and instrument cases capacity; Charcoal tank is longitudinally arranged, at least part of charcoal tank is overlapping with fuel tank, charcoal tank be easy to be disposed in original space of being formed by fuel tank, instrument cases and body cover and do not increase length and the width of vehicle body, ensure that the compact of vehicle body, improve the comfort level of riding of locomotive knight; Meanwhile, charcoal tank is by the protection of fuel tank, instrument cases and body cover without the need to separately increasing protection component, and connection and reasonable arrangement is succinct, charcoal tank is arranged in above-mentioned position, is also conducive to the layout of corresponding pipe arrangement on charcoal tank.
Particularly for locomotive Rear frame being provided with secondary air filter, this secondary air filter can be arranged in below described fuel tank and to be positioned at the front of described charcoal tank.Consider that the structure size etc. of secondary air filter can not arbitrarily change, secondary air filter to be arranged in below fuel tank and to be positioned at charcoal tank front, be conducive to most the piping layout on secondary air filter, shorten secondary air filter and be connected into pipeline in carburettor, improve the adsorption power of carburettor to fresh air in secondary air filter, the abnormal sound problem produced when well solving secondary air valve air-breathing.
Accompanying drawing explanation
Fig. 1 is the projection view of the present invention on the left of overall width;
Fig. 2 is lateral plan of the present invention (not shown secondary air filter);
Fig. 3 is the projection view that the present invention is looked down by short transverse;
Fig. 4 is decomposing schematic representation of the present invention;
Fig. 5 is the mounting structure schematic diagram of charcoal tank in the present invention.
Description of reference numerals: 1 ... main car frame, 10 ... head tube, 11 ... driving engine, 12 ... across taking advantage of portion, 13 ... carburettor; 2 ... Rear frame; 3 ... fuel tank, 31 ... oil separator; 4 ... instrument cases; 5 ... adsorption tube, 51 ... topple over shutoff valve; 6 ... charcoal tank, 61 ... logical air pipe, 62 ... leakage pipe, 63 ... fuel vapor inflow entrance, 64 ... fuel vapor outlet port, 65 ... discharge pipe arrangement, 66 ... Pcv valve, 67 ... groove, 68 ... breach; 7 ... secondary air filter; 8 ... rear mudguard, 81 ... lug installed by charcoal tank, and 82 ... charcoal tank mounting bracket, 83 ... bolt, 84 ... plug tenon, 85 ... rake, 86 ... lappet, 87 ... convex, 88 ... positioning strip; 9 ... gum cover, 91 ... slot, 92 ... protruding.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further detailed explanation.Following in the explanation of the preferred embodiment of the present invention, unless be described in addition, all around and up and down the record in these directions all represents the working direction for locomotive.
With reference to Fig. 1 ~ Fig. 5, the fuel oil evaporation configuration structure that saddle ride type of the present invention is two-wheeled, comprise head tube 10, described head tube 10 is connected with to the back lower place extend, for hanging the main car frame 1 of driving engine 11, the rear end of main car frame 1 is connected with the Rear frame 2 extended rearwardly and upwardly, be formed between main car frame 1 and Rear frame 2 and be convenient to the single pin of knight and cross over the concave shape of vehicle body across taking advantage of portion 12, described Rear frame 2 is provided with at least part of and described fuel tank 3 across taking advantage of portion 12 overlapping and the instrument cases 4 being positioned at fuel tank 3 rear, described fuel tank 3 and instrument cases 4 are configured at vehicle seat (not illustrating) below, oil separator 31 on fuel tank 3 is connected with charcoal tank 6 by adsorption tube 5, preferably described oil separator 31 to be arranged on fuel tank 3 on end face position on the right side, by left side during locomotive parking, oil separator 31 is arranged at Oil-gas Separation room 31 when position on the right side makes parking and is positioned at extreme higher position, increase the volume of Oil-gas Separation room 31, be conducive to being separated of liquid fuel in fuel tank 3 and fuel vapor.
Described Rear frame 2 is the single beam that autonomous vehicle frame 1 extends rearwardly and upwardly, described charcoal tank 6 is arranged in the space between car body fuel tank 3 and instrument cases 4, when implementing to produce, the bottom of instrument cases 4 can indent towards the rear, to reserve the space of installing charcoal tank 6, charcoal tank 6 is preferably disposed in the space on the left of car body between fuel tank 3 and instrument cases 4, charcoal tank 6 and carburettor 13 is made to be positioned at the same side of car body, shorten the pipeline distance between charcoal tank 6 to carburettor 13, with charcoal tank 6 with a side position of overall width line of centers symmetry for installing storage battery and relay, with being separated of realizing circuit and oil circuit.
An end face is provided with logical air pipe 61 and leakage pipe 62 to two end faces of described charcoal tank 6, other end is provided with fuel vapor inflow entrance 63 and fuel vapor outlet port 64, charcoal tank 6 is longitudinally arranged, the longitudinal direction at this place arranges that the end face referring to the logical air pipe 61 of charcoal tank 6 installation and leakage pipe 62 is lower surface, the end face installing fuel vapor inflow entrance 63 and fuel vapor outlet port 64 is upper surface, it is that charcoal tank 6 is vertically arranged that upper surface can be positioned at directly over lower surface, upper surface also can be positioned at the oblique upper of lower surface, be and adapt to other parts as the layout of secondary air filter 7, charcoal tank 6 is in tilted layout along short transverse, with reference to Fig. 3, overlook and see that vehicle is overlapping with described fuel tank 3 up to small part charcoal tank 6, this just makes charcoal tank 6 to be easy to be disposed in original space of being formed by fuel tank 3, instrument cases 4 and body cover (not illustrating) and does not increase length and the width of vehicle body, ensure that the compact of vehicle body, improve the comfort level of riding of locomotive knight, meanwhile, without the need to separately increasing protection component, connection and reasonable arrangement is succinct by the protection of fuel tank 3, instrument cases 4 and body cover for charcoal tank 6.
As preferably, above-mentioned logical air pipe 61 is just " 7 " the type structure its vent being introduced eminence by charcoal tank 6 lower surface, avoiding in conventional art introduces in accumulator box or the structure introduced in the middle part of car body by logical air pipe, logical air pipe 61 can add the distance between vent and rear mudguard 8 by charcoal tank 6 lower surface introducing eminence, after car load has assembled, the vent of logical air pipe 61 covers by body cover, the protection against dust near vent can be improved, the raising of protection against dust can omit the pipe arrangement usually connected, and easily seeks the densification of vehicle; Above-mentioned leakage pipe 62 extends to body bottom towards front lower place, even if vehicle attitude changes, also the direction of fluid to hope can be guided.
Above-mentioned adsorption tube 5 is docked with fuel vapor inflow entrance 63 by the shutoff valve 51 of toppling over be installed on instrument cases 4, topples over shutoff valve 51 and invades in charcoal tank 6 for preventing the liquid fuel of vehicle when toppling in fuel tank 3; Above-mentioned fuel vapor outlet port 64, by discharging pipe arrangement 65 and the Pcv valve 66 be installed on main car frame 1 is connected in the carburettor 13 of locomotive, topples over shutoff valve 51 and Pcv valve 66 is existing known techniques, no longer launches to repeat herein.
For the locomotive being configured with secondary air filter 7, secondary air filter 7 is generally arranged in Rear frame 2, in the present embodiment, to be arranged in by this secondary air filter 7 below described fuel tank 3 and to be positioned at the front of described charcoal tank 6.Consider that the structure size etc. of secondary air filter 7 can not arbitrarily change, secondary air filter 7 to be arranged in below fuel tank 3 and to be positioned at charcoal tank 6 front, be conducive to most the piping layout on secondary air filter 7, shorten secondary air filter 7 and be connected into pipeline in carburettor 13, improve the adsorption power of fresh air in carburettor 13 pairs of secondary air filters 7, the abnormal sound problem produced when well solving secondary air valve air-breathing.
The following detailed description of the mounting structure of charcoal tank 6.
In described Rear frame 2, the below being positioned at described instrument cases 4 is provided with rear mudguard 8, this rear mudguard 8 extends outwardly along the limit, left side in overall width direction and forms charcoal tank and install lug 81, described charcoal tank is installed on lug 81 and is connected with charcoal tank mounting bracket 82, connect by bolt 83 between the two, charcoal tank is installed rear position lug 81 being positioned at charcoal tank mounting bracket 82 and is provided with convex 87 for mounting tools box 4, as preferably, charcoal tank installation lug 81 in bolt 83 front can arrange positioning strip 88, hold-down bolt 83 is again carried out after pre-determined bit by the leading flank of convex 87 and positioning strip 88 pairs of charcoal tank mounting brackets 82, namely facilitate screw on charcoal tank mounting bracket 82 and charcoal tank and screw contraposition on lug 81 is installed, also avoid or reduce the bolt 83 when locomotive driving vibrates to occur loosening, charcoal tank 6 is equipped with gum cover 9, charcoal tank mounting bracket 82 and gum cover 9 are respectively arranged with mutually adaptive plug tenon 84 and slot 91, described charcoal tank 6 was fixed on rear mudguard 8 by plug tenon 84 and coordinating of slot 91.Charcoal tank 6 is connected on rear mudguard 8 by charcoal tank mounting bracket 82, rear mudguard design can be simplified, improve mould process; By pre-to charcoal tank 6 and gum cover 9 group, avoid being rigidly connected of charcoal tank and rear mudguard in conventional art, effectively can reduce the vibration that vehicle body passes to charcoal tank, the durability of raising charcoal tank.
Location when installing for ease of gum cover 9 and install after spacing, prevent gum cover 9 from loosening, described charcoal tank 6 is provided with the groove 67 for accommodating described gum cover, one cell wall of this groove 67 is formed with a breach 68, described gum cover 9 is provided with the projection 92 of corresponding breach 68, gum cover 9 is placed on after on charcoal tank 6, and described protruding 92 are embedded in described breach 68.
As the preferred structure of charcoal tank mounting bracket 82, described charcoal tank mounting bracket 82 comprises one and installs the rake 85 that lug 81 fits and the lappet 86 being connected to this rake 85 back side edge with charcoal tank, bolt 83 is installed on lug 81 through being fixed in charcoal tank after rake 85, described lappet 86 is in the U-shaped structure towards open front, two U-shaped limits of lappet form described plug tenon 84, this structure is conducive to pre-group of charcoal tank 6 and gum cover 9, easy to operate, installs firmly.Can be placed on charcoal tank 6 in upper and lower two by gum cover 9, each U-shaped limit of lappet 86 all comprises two plug tenons 84, to strengthen charcoal tank 6 with the connection between charcoal tank mounting bracket 82.Certainly, plug tenon 84 and slot 91 can also be arranged along short transverse.
The above, just better embodiment of the present invention, but the present invention is not limited to above-described embodiment, as long as it reaches technique effect of the present invention with any same or similar means, all should fall within protection scope of the present invention.

Claims (10)

1. the fuel oil evaporation configuration structure that saddle ride type is two-wheeled, comprise head tube, described head tube is connected with to the back lower place extend, for hanging the main car frame of driving engine, the rear end of main car frame is connected with the Rear frame extended rearwardly and upwardly, be formed between main car frame and Rear frame and be convenient to the single pin of knight and cross over the concave shape of vehicle body across taking advantage of portion, described Rear frame is provided with at least partly with the described fuel tank across taking advantage of portion overlapping and the instrument cases being positioned at fuel tank rear, described fuel tank and instrument cases are configured at below-seat, oil separator on fuel tank is connected with charcoal tank by adsorption tube, it is characterized in that: described Rear frame is the single beam that autonomous vehicle frame extends rearwardly and upwardly, described charcoal tank is arranged in the space between car body fuel tank and instrument cases, charcoal tank is longitudinally arranged, overlook and see that vehicle is overlapping with described fuel tank up to small part charcoal tank.
2. the fuel oil evaporation configuration structure that saddle ride type according to claim 1 is two-wheeled, is characterized in that: described Rear frame is provided with secondary air filter, and this secondary air filter to be arranged in below described fuel tank and to be positioned at the front of described charcoal tank.
3. the fuel oil evaporation configuration structure that saddle ride type according to claim 2 is two-wheeled, is characterized in that: described charcoal tank is arranged in the space on the left of car body between fuel tank and instrument cases.
4. the fuel oil evaporation configuration structure that the saddle ride type according to any one of claim 1 ~ 3 is two-wheeled, it is characterized in that: the lower surface of described charcoal tank is provided with logical air pipe and leakage pipe, described logical air pipe is just " 7 " the type structure its vent being introduced eminence by charcoal tank lower surface; Described leakage pipe extends to body bottom towards front lower place.
5. the fuel oil evaporation configuration structure that saddle ride type according to claim 4 is two-wheeled, it is characterized in that: the upper surface of described charcoal tank is provided with fuel vapor inflow entrance and fuel vapor outlet port, described adsorption tube is docked with fuel vapor inflow entrance by the shutoff valve of toppling over be installed on instrument cases, and described fuel vapor outlet port is connected in the carburettor of locomotive with the Pcv valve be installed on main car frame by discharging pipe arrangement.
6. the fuel oil evaporation configuration structure that saddle ride type according to claim 5 is two-wheeled, is characterized in that: described oil separator to be arranged on fuel tank on end face position on the right side.
7. the fuel oil evaporation configuration structure that saddle ride type according to claim 6 is two-wheeled, it is characterized in that: in described Rear frame, the below that is positioned at described instrument cases is provided with rear mudguard, this rear mudguard extends outwardly along the limit, left side in overall width direction and forms charcoal tank and install lug, described charcoal tank is installed on lug and is connected with charcoal tank mounting bracket, charcoal tank is equipped with gum cover, charcoal tank mounting bracket and gum cover are respectively arranged with mutually adaptive plug tenon and slot, and described charcoal tank was fixed on rear mudguard by plug tenon and coordinating of slot.
8. the fuel oil evaporation configuration structure that saddle ride type according to claim 7 is two-wheeled, it is characterized in that: described charcoal tank is provided with the groove for accommodating described gum cover, one cell wall of this groove is formed with a breach, described gum cover is provided with the projection of corresponding breach, gum cover is placed on after on charcoal tank, and described projection is embedded in described breach.
9. the fuel oil evaporation configuration structure that saddle ride type according to claim 8 is two-wheeled, it is characterized in that: described charcoal tank mounting bracket comprises one and installs the rake that lug fits and the lappet being connected to this rake back side edge with charcoal tank, described lappet is in the U-shaped structure towards open front, and two U-shaped limits of lappet form described plug tenon.
10. the fuel oil evaporation configuration structure that saddle ride type according to claim 9 is two-wheeled, is characterized in that: described gum cover is upper and lower two and is placed on charcoal tank, and each U-shaped limit of lappet all comprises two plug tenons.
CN201310041432.2A 2013-02-01 2013-02-01 Fuel evaporation configuration structure of straddle type motorized cart Active CN103121483B (en)

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JP6303309B2 (en) * 2013-07-19 2018-04-04 スズキ株式会社 Motorcycle
JP2015127184A (en) * 2013-12-27 2015-07-09 本田技研工業株式会社 Canister arrangement structure of saddle-riding type vehicle

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JP5147621B2 (en) * 2008-09-26 2013-02-20 本田技研工業株式会社 Motorcycle
JP5291501B2 (en) * 2009-03-11 2013-09-18 本田技研工業株式会社 Motorcycle canister arrangement structure
JP5604152B2 (en) * 2010-03-31 2014-10-08 本田技研工業株式会社 Motorcycle
CN203172792U (en) * 2013-02-01 2013-09-04 江门市大长江集团有限公司 Fuel evaporation device of engine-driven two-wheel vehicle

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