JP2016008014A - Fuel evaporation gas recovery apparatus of motor cycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fuel evaporation gas recovery apparatus of a motor cycle which realizes effective utilization of a space below a seat while securing the capacity of a helmet storage box and a fuel tank.SOLUTION: A helmet storage chamber 130 and a fuel tank 131 are disposed below a seat. Further, a unit swing type engine is mounted. A fuel evaporation gas vaporized in the fuel tank 131 is collected by a canister 12 to be supplied to an engine intake system. The canister 12 is disposed at a position, which overlaps with the helmet storage chamber 130 in a vehicle side surface view and a plan view, in an area below the fuel tank 131.

Description

  The present invention relates to a fuel evaporative gas recovery apparatus in which fuel evaporative gas vaporized in a fuel tank in a vehicle such as a motorcycle is collected by a canister and supplied to an engine intake system.

  Vehicles such as automobiles and motorcycles include a so-called evaporation system in which a canister is mounted as an air pollution prevention device that adsorbs gasoline vapor (fuel evaporative gas) from an onboard fuel tank so as not to be released into the atmosphere. Conventionally, for example, in a scooter type vehicle in which an article storage chamber and a fuel tank are arranged under a seat, Patent Document 1 and Patent Document 2 are disclosed as publicly known publications regarding a canister arrangement structure. In both Patent Document 1 and Patent Document 2, the canister has an arrangement structure that is arranged between a fuel tank and a helmet storage chamber or a box arranged in the front and rear.

JP 2013-49364 A JP 2010-229840 A

  However, in the canister mounting structure according to Patent Document 1, the mounting is a frame, which is supported by welding a bracket to a cross frame and suspending it. This is an obstacle to securing the capacities of the helmet storage box and the fuel tank in the restricted space under the seat. On the other hand, if priority is given to securing these capacities, it becomes an obstacle to downsizing the seat as it is, and further downsizing of the entire vehicle. In addition, it is necessary to install a dedicated bracket from the cross frame, which causes an increase in the number of parts and an increase in weight.

  In view of such circumstances, an object of the present invention is to provide a fuel evaporative gas recovery device for a motorcycle that achieves effective use of the space under the seat while ensuring the capacities of the helmet storage box and the fuel tank.

  A fuel evaporative gas recovery device for a motorcycle according to the present invention includes a helmet storage chamber and a fuel tank arranged under a seat, and a motorcycle equipped with a unit swing engine, which can remove the fuel evaporative gas vaporized in the fuel tank. The fuel evaporative gas recovery device that collects the fuel and supplies it to the engine intake system, wherein the canister is disposed below the fuel tank at a position that overlaps with the helmet storage chamber in both a vehicle side view and a plan view. It is characterized by that.

  In the fuel evaporative gas recovery apparatus for a motorcycle according to the present invention, the canister is arranged on the inner side in the vehicle width direction than the frame side tube.

  Further, in the fuel evaporative gas recovery device for a motorcycle according to the present invention, the bottom surface of the helmet storage chamber is curved so as to face the shape of the helmet head when the helmet is stored, and the canister is stored in the helmet storage It arrange | positions in the vicinity of the curved part of the bottom face of a chamber, It is characterized by the above-mentioned.

  In the fuel evaporative gas recovery apparatus for a motorcycle according to the present invention, the canister, the rollover valve, and the purge control valve are arranged in a rear fender.

  Further, in the fuel evaporative gas recovery apparatus for a motorcycle of the present invention, the rear fender is integrally formed with a recess for holding the canister and a locking portion for fixing the canister, and the rollover Locking portions for fixing the valve and the purge control valve are formed integrally with the rear fender with the canister interposed therebetween.

  Also, in the fuel evaporative gas recovery apparatus for a motorcycle of the present invention, the canister and peripheral members connected to the canister are biased and arranged on the opposite side of the air cleaner that swings integrally with the unit swing type engine. It is characterized by.

According to the present invention, by arranging the canister so as to overlap with the helmet storage room, the capacities of the helmet storage room and the fuel tank can be sufficiently secured without increasing the width of the motorcycle, and the frame line of the frame side tube can be secured. Since the canister can be placed without spreading the outside of the vehicle, there is no fear of damaging the appearance of the motorcycle.
In addition, since the support portion, the concave portion, and the locking portion for the canister are integrally formed with the rear fender, the bracket and the fastening parts can be eliminated, so that the number of parts can be reduced, the cost can be reduced, and the weight can be reduced.

1 is a side view around a rear portion of a motorcycle according to the present invention. Fig. 3 is a side view showing a state in which an exterior member or the like of the motorcycle according to the present invention is removed. FIG. 6 is a top view showing a state where an exterior member or the like of the motorcycle according to the present invention is removed. FIG. 3 is a cross-sectional plan view taken along line II in FIG. 2. It is a longitudinal cross-sectional view which follows the II-II line of FIG. It is a longitudinal cross-sectional view which follows the III-III line of FIG. It is a figure showing typically composition of a fuel evaporative gas recovery device concerning the present invention. It is a longitudinal cross-sectional view which follows the IV-IV line of FIG.

DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of a fuel evaporative gas recovery apparatus for a motorcycle according to the present invention will be described with reference to the drawings.
FIG. 1 is a side view mainly around a rear portion of a motorcycle 100 according to the present invention. FIGS. 2 and 3 are a side view and a top view, respectively, showing a state in which an exterior member or a cover of the motorcycle 100 of FIG. is there. First, the overall configuration of the motorcycle 100 will be described with reference to FIGS. 1 to 3, but the illustration of some of the components in the description is omitted as appropriate. In the drawings used in the following description, the front of the vehicle is indicated by an arrow Fr, the rear of the vehicle is indicated by an arrow Rr, the right side of the vehicle is indicated by an arrow R, and the left side of the vehicle is indicated by an arrow as necessary. Indicated by L.

  In FIG. 1 to FIG. 3, a motorcycle 100 is configured by forming a vehicle body skeleton by a vehicle body frame 101 made of steel or aluminum alloy and mounting various parts on the vehicle body frame 101. The front end of the down tube 102 which is a part of the vehicle body frame 101 is coupled to the steering head pipe 103, extends substantially downward from the steering head pipe 103, and the under frame 104 (see FIG. Connect to 2). The under frame 104 extends substantially rearward. A pair of left and right side tubes 105 (frame side tubes) are coupled to the rear end side of the underframe 104 as a part of the vehicle body frame 101, and each of the pair extends generally inclined rearward and upward. To do.

  The steering head pipe 103 supports a front fork (not shown) so as to be turnable in the left-right direction. A handlebar is fixed above the front fork and a front wheel is rotatably supported on the lower end side. . The front wheel is equipped with a brake disc that rotates integrally therewith.

  Further, a bracket 107 (FIG. 2) for supporting the power unit 106 including the engine is additionally provided so as to straddle the rear portion of the under frame 104 and the lower portion of the side tube 105. A swing type power unit 106 is supported via a stay 108 connected to the bracket 107 so as to be swingable in the vertical direction around the swing shaft 109 as shown in FIG. The power unit 106 is a unit of a later-described power transmission device containing a continuously variable transmission using an engine cylinder assembly and a crankcase and a belt / pulley. The rear wheel 110 is rotatably supported by a power transmission device on the rear side of the vehicle. The axle side of the rear wheel 110 and the side tube 105 are connected via a shock absorber, whereby the power unit 106 as a whole functions as a swing arm.

  Also, as shown in FIG. 1, a seat 111 for a rider to sit on is installed above the power unit 106, and a step board 112 on which the rider seated on the seat 111 sits on the seat 111 above the underframe 104, Referring to FIG. 2, it is supported by step frame 113. The step board 112 is formed integrally with a leg frame cover that constitutes the exterior of the vehicle.

  As a vehicle exterior, various vehicle body covers are supported and attached to appropriate positions such as a vehicle body frame. The front leg shield covers the front side of the vehicle, and a winker or the like is mounted, and is integrated with the above-described step board 112. The rear frame cover 114 covers the lower side of the seat 111 or the vehicle rear side, and a winker, a brake lamp, and the like are mounted. Upper portions of the front wheel and the rear wheel 110 are covered with a front fender and a rear fender 115, respectively.

  Further, the power unit 106 will be described with reference to FIGS. The basic configuration of the power unit 106 includes, for example, an air-cooled four-cycle single-cylinder engine 116, which may be an SOHC engine in this example. As shown in FIG. 3, the engine 116 includes a crankcase 117 that rotatably supports and accommodates a crankshaft horizontally disposed in the left-right direction, and a cylinder 118, a cylinder head 119, and a cylinder sequentially forward with respect to the crankcase 117. The head cover 120 is coupled, and the cylinder axis is set in a substantially horizontal direction.

  The power unit 106 further includes a power transmission device 121 that is integrally coupled to the crankcase 117, and the power transmission device 121 includes a continuously variable transmission that uses a belt, a pulley, and the like. In this example, the crankcase 117 is divided into left and right parts (detailed illustration is omitted), and the casing 121a of the power transmission device 121 is coupled to the left half crankcase 117, that is, biased toward the left side of the vehicle. Arranged. A continuously variable transmission including a belt, a pulley (drive side), and the like is arranged and configured in the casing 121a. The pulley is coupled to the left end of the crankshaft so as to rotate integrally, and the pulley diameter is changed according to the engine speed. The crankshaft and the axle 122 (FIG. 2) of the rear wheel 110 are connected via the power transmission device 121, that is, the engine output is transmitted to the rear wheel 110.

  An intake system including an air cleaner 123 and the like is arranged on the upper surface side of the casing 121a of the power transmission device 121. In this intake system, although not shown in detail in FIG. 2, an intake hose 124, a throttle body 125, an intake pipe 126 (intake pipe), and the like are sequentially connected in front of the air cleaner 123 as shown in FIG. The intake pipe 126 communicates with an intake port (intake port) provided on the upper surface side of the cylinder head 119, and cleans from the air cleaner 123 to the intake port of the cylinder head 119 via an intake passage constituted by these members. Supplied air is supplied. In addition, an injector 127 as a fuel injection device is attached to an appropriate position in the middle of the intake pipe 126, and fuel is injected from the injector 127 toward the intake port.

  On the other hand, in the exhaust system for exhausting exhaust gas from the engine 116, in this example, an exhaust port (exhaust port) is opened on the lower surface side of the cylinder head 119. An exhaust pipe 128 (exhaust pipe; see FIG. 1) is coupled to the exhaust port. The exhaust pipe 128 temporarily extends rightward from the connection portion with the exhaust port, then curves backward and further connects to the muffler 129 at the rear of the vehicle as shown in FIG. Combustion gas generated in the engine 116 is exhausted from the exhaust port through the exhaust pipe 128 and finally exhausted from the muffler 129 as exhaust gas.

  Here, with reference to FIG. 2, a helmet storage chamber 130 and a fuel tank 131 are disposed below the seat 111. In FIG. 2, the outer shapes of the helmet storage chamber 130 and the fuel tank 131 are indicated by thick solid lines (see also FIG. 3 for the fuel tank 131). The helmet storage chamber 130 is supported via a bracket by the side tube 105, the step frame 113, and the like, and is mounted between the seat 111 and the power unit 106 in the vertical direction. And it functions as a luggage box configured as a storage space for an article (typically a helmet) that is opened and closed by the seat 111. As shown in FIG. 4, the helmet storage chamber 130 has a cross-sectional shape such as an oval shape in plan view, and the bottom surface 130a of the hollow structure, particularly near the rear, is shown in FIG. 5 or FIG. A curve is formed so as to face the shape of the helmet head at that time (the curvature radius is r in FIGS. 5 and 6). In other words, when the helmet is stored in the helmet storage chamber 130, it fits completely in the bottom of the helmet storage chamber 130 and is stably arranged.

  As shown in FIGS. 2 and 3, the fuel tank 131 is generally configured as a deformed container extending in the vehicle width direction, supported by a side tube 105 or the like via a bracket, and the rear portion of the helmet storage chamber 130. It is mounted in the form adjacent to the. A fuel hose 132 extends from the upper surface of the fuel tank 131 to the right front. The fuel hose 132 extends forward and downward along the right side of the helmet storage chamber 130 as shown in FIG. And is connected to the injector 127 (FIG. 3). The fuel in the fuel tank 131 is supplied to the injector 127 through the fuel hose 132, and the fuel is injected from the injector 127 into the intake passage in the intake pipe 126 at an appropriate timing.

  Next, in the evaporation system according to the present invention, a fuel evaporative gas recovery device 10 is provided which collects the fuel evaporative gas vaporized in the fuel tank 131 by a canister and supplies it to the engine intake system. The fuel evaporative gas recovery apparatus 10 has a canister 12 connected to a fuel tank 131 via a surge hose 11 shown in FIGS. 2 and 3, and this canister 12 is also connected via a purge hose 13 shown in FIG. Connected to the intake pipe 126. FIG. 7 schematically shows the configuration of the fuel evaporative gas recovery device 10. A roll over valve 14 (see FIG. 8) is disposed in the middle of the surge hose 11 with reference to FIG. 13 is provided with a purge control valve 15 (see FIG. 8).

  Here, the operation and the like of the fuel evaporative gas recovery apparatus 10 will be briefly described. The fuel evaporative gas vaporized in the fuel tank 131 passes through the separator 16 (see FIG. 3) in the upper part of the fuel tank 131 to the surge hose 11. be introduced. The fuel evaporative gas introduced into the surge hose 11 passes through the rollover valve 14, is supplied to the canister 12, and is collected by the canister 12. The fuel evaporative gas collected by the canister 12 is purified, and then the engine main body, that is, the intake pipe, is passed through the purge hose 13 and the purge control valve 15 using the negative pressure of the intake system of the engine 116 due to the start of the engine 116. 126.

  As shown in FIGS. 4 and 5, the canister 12 has a substantially cylindrical outer shape, and is disposed substantially horizontally so that its axis is substantially along the vehicle longitudinal direction. Particularly in the present invention, the canister 12 is mounted below the right front portion of the fuel tank 131, but is disposed at a position where it overlaps with the helmet storage chamber 130 in both the vehicle side view and the plan view. That is, as shown in FIG. 4, a part (front half) of the canister 12 is arranged so as to overlap with the helmet storage chamber 130 in a plan view of the vehicle. Polymerizes with. Further, as shown in FIG. 5, a part (front upper part) of the helmet storage room 130 is overlapped with the helmet storage room 130 as viewed from the side of the vehicle. Polymerize.

Although a specific support structure of the canister 12 will be described later, the canister 12 is disposed inward in the left-right direction with respect to the side tube 105 as shown in FIG. 4 or FIG. In this example, it is arranged adjacent to the inside of the right side tube 105, that is, the left side.
Here, as described above, the bottom surface 130a of the helmet storage chamber 130 is curved so as to be opposed to the shape of the helmet head, and the canister 12 is close to the outside of the curved portion of the bottom surface 130a of the helmet storage chamber 130. Arranged. That is, a space S is formed between the right side tube 105 and the outside of the curved portion of the bottom surface 130a of the helmet storage chamber 130 as shown in FIG. 6, and the canister 12 can be arranged using this space S. it can.

  The canister 12, the rollover valve 14, and the purge control valve 15 are disposed in the rear fender 115. As shown in FIG. 2 (see also FIG. 5), the rear fender 115 covering the upper part of the rear wheel 110 has an arch shape or a mountain shape in a side view, and its front portion 115a has a helmet storage chamber 130 and a fuel tank 131. It is extended so that it may enter below. Around the front portion 115 a of the rear fender 115, there is a support structure for supporting the canister 12, the rollover valve 14 and the purge control valve 15.

  First, referring to FIG. 5 regarding the support structure of the canister 12, a support portion 17 for the canister 12 is integrally formed on the front portion 115a of the rear fender 115 so as to protrude upward. A recess 18 for holding the canister 12 is provided as shown in FIG. The recess 18 is concave upward and is formed in a substantially arc shape in the left-right direction. As shown in FIG. 5, the support portion 17 supports the substantially central portion of the canister 12 in the front-rear direction. In this case, the front fender 115a of the rear fender 115 further includes an engagement portion of the attachment 19 attached to the canister 12 as shown in FIG. A locking portion 20 that engages with 19a is integrally formed. As the attachment 19, for example, a rubber band or the like wound around the outer periphery of the canister 12 at a substantially central portion in the front-rear direction can be used. In this case, the engagement portion 19a of the attachment 19 has an engagement hole into which the engagement portion 20 having a return for latching is inserted at the tip, and the engagement portion 20 is inserted into the engagement hole. Thus, the canister 12 can be fixedly held in the recess 18.

  The attachment 19 and its engaging portion 19a can be formed integrally with the canister 12 itself using a part of the canister 12, such as a casing.

  With respect to the support structure of the rollover valve 14 and the purge control valve 15, as shown in FIG. 8, the locking portions 21 and 22 for fixing the rollover valve 14 and the purge control valve 15 respectively sandwich the canister 12 in the left-right direction. Thus, it is formed integrally with the rear fender 115. The rollover valve 14 has a generally cylindrical shape and is disposed adjacent to the upper right side of the canister 12 so that its axis (corresponding to the flow direction of the fuel evaporative gas) is substantially along the vertical direction (see also FIG. 4). . In the specific support structure of the rollover valve 14, for example, the rollover valve 14 may have an attachment 23 or the like. The engagement portion 23a of the attachment 23 provided on the right side of the rollover valve 14 is hooked to the tip. It has an engagement hole into which the locking portion 21 having a return for stopping is inserted. As the attachment 23, for example, a rubber band wound around the outer periphery of the rollover valve 14 can be used. The rollover valve 14 can be fixedly held by the locking portion 21 by inserting the locking portion 21 into the engagement hole of the engaging portion 23a.

  It should be noted that an appropriate bracket or the like is used in place of the attachment 23 or the like, and the attachment 23 and its engaging portion 23a are formed by using a part of the roll over valve 14 such as a casing, for example, the roll over valve 14. It can also be formed integrally with itself.

  Further, the purge control valve 15 is generally cylindrical, and is arranged adjacent to the left side of the canister 12 as shown in FIG. 8 so that its axis (corresponding to the flow direction of the fuel evaporative gas) is substantially along the vehicle longitudinal direction. (See also FIG. 4). In the specific support structure of the purge control valve 15, for example, the purge control valve 15 may have an attachment 24 or the like, and the engagement portion 24a provided on the left side of the purge control valve 15 has a hook for engagement at the tip. It has an engagement hole into which the locking portion 22 having a return is inserted. Note that a rubber band or the like wound around the outer periphery of the purge control valve 15 can be used as the attachment 24. The purge control valve 15 can be fixedly held by the locking portion 22 by inserting the locking portion 22 into the engagement hole of the engagement portion 24a.

  It should be noted that an appropriate bracket or the like is used in place of the attachment 24 or the like, and the attachment 24 and its engaging portion 24a are used for the purge control valve 15 by utilizing a part of the purge control valve 15 such as a casing. It can also be formed integrally with itself.

  As described above, a rollover valve 14 and a purge control valve 15 are disposed adjacent to each other on the right and left sides of the canister 12 that is arranged to be deviated toward the right side of the vehicle. It is arrange | positioned on both sides on the right and left sides. In addition, although cylindrical examples etc. were demonstrated regarding the rollover valve 14 and the purge control valve 15, those specific shapes etc. are not limited to this.

  The canister 12 and the peripheral member connected to the canister 12 are arranged to be biased to the opposite side of the air cleaner 123 (see FIG. 3) that swings integrally with the unit swing type engine 116, that is, to the right of the vehicle. The peripheral members include the rollover valve 14 and the purge control valve 15 described above, the surge hose 11 and the purge hose 13 and the like.

In the fuel evaporative gas recovery apparatus 10 configured as described above, the canister 12 is disposed at a position where it overlaps with the helmet storage chamber 130 in both a vehicle side view and a plan view. Specifically, as shown in FIG. 4 and the like, the canister 12 is disposed inside the side tube 105 in the left-right direction.
In this case, the canister 12 is disposed in the space S outside the bottom surface 130a of the helmet storage chamber 130 as shown in FIG. 6, that is, the canister 12 is disposed while effectively using this without changing the shape inherent to the helmet storage chamber 130. . As a result, the capacities of the helmet storage chamber 130 and the fuel tank 131 can be sufficiently secured without increasing the width of the motorcycle 100. In addition, since the canister 12 can be disposed without expanding the frame line of the side tube 105 outward, there is no fear of damaging the appearance of the motorcycle 100.

  The canister 12, the rollover valve 14, and the purge control valve 15 are disposed in the rear fender 115. In this case, the support portion 17 and the recess portion 18 for the canister 12 and the locking portion 20 are formed integrally with the rear fender 115.

  In this way, by adopting a structure in which each component is inserted and fixed into the recess 18 and the locking portion 20 that are integrally formed from the rear fender 115 and further to the locking portions 21 and 22, they can be mutually connected without using other components. By connecting to the bracket, it is possible to abolish the bracket for fastening and the tightening parts, so that the number of parts can be reduced, the cost can be reduced, and the weight can be reduced.

Further, locking portions 21 and 22 for fixing the rollover valve 14 and the purge control valve 15 are formed integrally with the rear fender 115 with the canister 12 sandwiched in the left-right direction.
In this way, the roll over valve 14 and the purge control valve 15 are distributed to the left and right with the canister 12 in the vicinity of the canister 12, that is, without being concentrated on either the right or left side of the canister 12, the left and right balance is arranged. The As a result, it is possible to smoothly and smoothly connect the surge hose 11 and the purge hose 13 connected to the rollover valve 14 and the purge control valve 15, respectively. In addition to facilitating piping work, a smooth flow of fuel evaporative gas in the piped surge hose 11 and purge hose 13 can be realized.

  Further, by arranging the canister 12 and its peripheral members on the side opposite to the intake system member including the air cleaner 123 that swings up and down, interference between the intake system member and the canister 12 and its peripheral members can occur when the power unit 106 swings. The canister 12 and its peripheral members can be properly arranged while preventing. As a result, the space around the lower part of the helmet storage room 130 can be used effectively, and the capacity of the helmet storage room 130 and the fuel tank 131 can be sufficiently secured without increasing the width of the motorcycle 100.

Further, the intake pipe 126 (or the throttle body 125) and the purge control valve 15 are connected by the purge hose 13, but this has a piping structure that connects the fixed side and the swing side. In order to absorb fluctuations in the length of the purge hose 13, the canister 12 and related members are arranged on the other side of the intake pipe 126 or the throttle body 125 arranged on the air cleaner 123 side to ensure a long distance. By connecting them, a high absorption effect with respect to the length fluctuation of the purge hose 13 can be obtained.
In addition, since it is not necessary to consider rocking parts such as the air cleaner 123, the intake pipe 126, or the throttle body 125 during piping, the degree of freedom of piping such as the surge hose 11 and the purge hose 13 can be increased.

As mentioned above, although this invention was demonstrated with various embodiment, this invention is not limited only to these embodiment, A change etc. are possible within the scope of the present invention.
In the above embodiment, an example in which the fuel evaporative gas recovery device is biased and arranged on the right side of the vehicle has been described. However, the fuel evaporative gas recovery device including other members such as the air cleaner 123 can be arranged in a left-right reverse relationship with the above embodiment. .

DESCRIPTION OF SYMBOLS 10 Fuel evaporative gas collection | recovery apparatus, 11 Surge hose, 12 Canister, 13 Purge hose, 14 Roll over valve, 15 Purge control valve, 16 Separator, 17 Support part, 18 Recessed part, 19, 23, 24 Attachment, 20 Locking part, 100 Motorcycle, 105 side tube, 106 power unit, 115 rear fender, 121 power transmission device, 123 air cleaner, 126 intake pipe, 130 helmet storage room, 131 fuel tank.

Claims (6)

In a motorcycle equipped with a helmet storage room and a fuel tank below the seat and equipped with a unit swing type engine, fuel evaporation gas evaporated in the fuel tank is collected by a canister and supplied to the engine intake system A gas recovery device,
A fuel evaporative gas recovery apparatus for a motorcycle, wherein the canister is disposed below the fuel tank at a position where it overlaps with the helmet storage chamber in both a vehicle side view and a plan view.   2. The fuel evaporative gas recovery apparatus for a motorcycle according to claim 1, wherein the canister is disposed on the inner side in the vehicle width direction than the frame side tube.   The bottom surface of the helmet storage chamber is curved so as to be opposed to the shape of the helmet head when the helmet is stored, and the canister is disposed close to the curved portion of the bottom surface of the helmet storage chamber. The fuel evaporative gas recovery device for a motorcycle according to claim 1 or 2.   The fuel evaporative gas recovery apparatus for a motorcycle according to any one of claims 1 to 3, wherein the canister, a rollover valve, and a purge control valve are disposed in a rear fender. The rear fender is integrally formed with a recess for holding the canister and a locking portion for fixing the canister,
The fuel for a motorcycle according to claim 4, wherein a locking portion for fixing the rollover valve and the purge control valve is formed integrally with the rear fender with the canister interposed therebetween. Evaporative gas recovery device.   The said canister and the peripheral member connected to this canister are biased and arranged on the opposite side of the air cleaner that swings integrally with the unit swing type engine. The fuel evaporative gas recovery device of the motorcycle described.

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