JP4627253B2 - Motorcycle - Google Patents

Description

  The present invention relates to a motorcycle in which a fuel tank is disposed between left and right tank rails so that at least a part of the fuel tank protrudes upward from between the left and right tank rails.

  In a motorcycle, an engine is suspended and supported below the left and right tank rails extending from the head pipe to the rear of the vehicle, an air cleaner is disposed above the engine, and a fuel tank is disposed above and behind the engine. There is a case where it is mounted so as to protrude upward from between the tank rails.

In this type of motorcycle, the front portion of the fuel tank between the left and right tank rails covers the air cleaner and the air cleaner so that maintenance of the air cleaner element, the engine spark plug, etc. can be easily performed. There is a case where the cover is detachably disposed (see, for example, Patent Document 1).
Japanese Utility Model Publication No. 5-46558

  By the way, when the fuel tank is configured to protrude upward from between the left and right tank rails as in the conventional motorcycle described above, the fuel tank becomes an external part, so that the outer surface of the tank is relatively There is a problem that a high finishing process needs to be performed and the manufacturing cost increases.

  On the other hand, the fuel tank functions as a stopper that prevents the rear wall of the rear tank from moving forward during sudden braking, and the left and right side walls also function as a knee grip for improving running stability during cornering. . Since the position of the rear wall portion of the fuel tank, the width of the left and right wall portions, and the like vary depending on the rider's physique and preferences, it is conceivable that the tank has a shape corresponding to the rider's physique and the like. However, in this case, it is necessary to prepare a plurality of types of fuel tanks having different tank shapes, which is not practical.

  The present invention has been made in view of the above-described conventional situation, and provides a motorcycle that can reduce the manufacturing cost by eliminating the finishing process of the fuel tank and can cope with the tank shape according to the rider's physique and preference. The purpose is that.

The present invention includes a vehicle body frame having left and right tank rails extending rearward from the head pipe, an engine disposed below the left and right tank rails, and a rear side of the engine and the left, A motorcycle comprising a fuel tank arranged so that at least a part protrudes upward from between the right tank rail,
A tank cover for covering the fuel tank from above; and a top cover for covering the vehicle-mounted components disposed in front of the fuel tank between the left and right tank rails and above the engine from above. The cover is detachable from the vehicle, and the on- vehicle component includes an electrical component, and the electrical component is disposed between the left and right tongues in the top cover, and upward when the top cover is removed. Exposed,
The top cover is characterized in that an air discharge hole that communicates with a space formed between the top cover and the electrical component and discharges the air in the space to the outside is formed .

According to the motorcycle of the present invention, the tank cover that covers the fuel tank that protrudes upward from between the left and right tank rails, and the top cover that covers the vehicle-mounted parts disposed in front of the fuel tank are provided, Since the top cover is detachable from the vehicle, maintenance of the in-vehicle components disposed above the engine can be easily performed simply by removing the top cover.
Moreover, since the air discharge hole is formed in the top cover, the air between the top cover and the electrical component can be discharged to the outside, and the electrical component can be efficiently cooled.

  Further, in the present invention, since the fuel tank is covered with the tank cover, the tank cover can be used as an external part, the finishing process of the fuel tank can be eliminated, and the manufacturing cost of the fuel tank can be reduced. That is, it does not cost much to make the tank cover as an external part as compared with the case of finishing the fuel tank.

  In addition, it is relatively easy to change the position of the rear wall of the tank cover, the width of the left and right walls, etc., compared to the case of changing the fuel tank itself. It becomes possible to make the width dimension of the wall according to the rider's physique and preference.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  1 to 9 are views for explaining a motorcycle according to an embodiment of the present invention. Note that front and rear and left and right in the present embodiment mean front and rear and left and right as viewed in a seated state.

  In the figure, reference numeral 1 denotes a motorcycle, which has a front wheel 9 and a rear wheel 12 disposed in front and rear of a body frame 1a, and supports an engine 20 suspended below the body frame 1a. 20 It has a schematic structure in which the front, left, and right sides are surrounded by a cowl 18.

  The vehicle body frame 1a includes a head pipe 2, left and right tank rails 3, 3 extending obliquely downward from the head pipe 2 toward the rear of the vehicle, and downward from rear ends of the left and right tank rails 3, 3. Extending rear arm brackets 4 and 4 are provided. A seat 5 is attached to the left and right rear arm brackets 4 and 4.

  The seat 5 has a front end portion attached to and fixed to the upper end portions of the left and right rear arm brackets 4 and 4, and a substantially cylindrical seat frame 6 extending obliquely upward toward the rear of the vehicle, and disposed on the seat frame 6. The seat cushion 7 is provided.

  A front fork 8 is supported on the head pipe 2 so as to be steerable left and right. The front wheel 9 is pivotally supported at the lower end of the front fork 8, and a steering handle (not shown) is attached to the upper part.

  A rear arm 10 is supported by a pivot shaft 11 at the center in the vertical direction of the left and right rear arm brackets 4 so as to be swingable up and down, and the rear wheel 12 is pivotally supported at the rear end of the rear arm 10. Has been. A rear suspension 13 having a cushion unit 13a and a link mechanism 13b is disposed between the rear arm 10 and the left and right rear arm brackets 4 and 4.

  The left and right tank rails 3 and 3 are formed so as to form a vertically long rectangle in a cross sectional view in which the vertical dimension is set larger than the vehicle width dimension. The portions near the head pipe 2 of the left and right tank rails 3 and 3 are formed so that the distance in the vehicle width direction becomes narrower toward the head pipe 2 side, and the front end portion 3a is welded to the head pipe 2 by welding. Are combined. Also, an underframe portion 3c that extends obliquely downward and rearward through the side of the engine 20 is integrally formed at the front portions of the left and right tank rails 3 and 3.

  The cowl 18 includes a front portion 18a that covers the front portion of the head pipe 2, and side portions 18b and 18b that cover the left and right sides of the engine 20 from the lower edges of the left and right tank rails 3 and 3, respectively. Yes. The front portion 18 a is formed with an opening 18 c that introduces traveling wind into the cowl 18.

  The engine 20 is a water-cooled four-cycle parallel four-cylinder engine. The engine 20 includes a cylinder block 23, a cylinder head 24, and a head cover 25 that are common to each cylinder on the upper joint surface of the crankcase 22 in which the crankshaft 21 is accommodated, and are bolted and joined together. The oil pan 26 is connected to the surface.

  A transmission case 22a incorporating a transmission (not shown) is integrally formed on the rear side of the crankcase 22. The transmission case 22a is provided with an output shaft 27 for extracting the engine rotation, and the output wheel 27 rotates the rear wheel 12 via a chain 28.

  In front of the engine 20, upper and lower radiators 31 and 32 are disposed to keep the engine coolant at a predetermined temperature.

  The exhaust system of the engine 20 is connected to an exhaust port 24 a formed for each cylinder in the front wall portion of the cylinder head 24, extends downward from the front wall portion of the cylinder head 24, and passes under the engine 20. Furthermore, there are provided four exhaust pipes 33 extending rearward of the vehicle, and a muffler 34 connected to each exhaust pipe 33 and disposed on the right side of the rear wheel 11.

  The intake system of the engine 20 is connected to an intake port 24b formed in each cylinder on the rear wall portion of the cylinder head 24 and extending substantially vertically upward, and includes four throttle bodies 36 incorporating a throttle valve 36a, A common air cleaner 37 connected to the throttle body 36, an air duct 38 that introduces air into the air cleaner 37, and an element 39 that is disposed in the introduction portion 37 c of the air cleaner 37 and filters air. The throttle bodies 36 are connected in communication with the bottom wall of the air cleaner 37.

  Each throttle body 36 is provided with a fuel injection valve 40. The fuel injection valve 40 is disposed such that its injection port 40a is directed to the axis of the intake port 24b.

  The air cleaner 37 is arranged above the engine 20 between the left and right tank rails 3 and 3 so that the upper part protrudes upward from between the left and right tank rails 3 and 3.

  The air duct 38 extends forward from the introduction portion 37 c of the air cleaner 37 and is connected to the opening 18 c of the cowl 18. The traveling wind flowing in from the opening 18c is filtered by the element 39 through the air duct 38, passes through the element 39, flows into the air cleaner 37, passes through the throttle body 36 from the air cleaner 37, and enters the intake port 24b. To be supplied.

  A fuel tank 15 is mounted between the left and right tank rails 3 and 3. The fuel tank 15 is made of sheet metal, and is disposed in the rear upper direction of the engine 20 so that most of the fuel tank 15 protrudes upward from between the left and right tank rails 3 and 3. The air cleaner 37 is disposed on the front side of the fuel tank 15 with a predetermined gap s1.

  The fuel tank 15 includes a tank body 15b having a fuel inlet 15a and an extension 15c extending rearward and obliquely upward from the rear portion of the tank body 15b. The extension portion 15c is for increasing the tank capacity, and most of the extension portion 15c is located in the seat frame 6.

  The tank body 15b has a flat front wall portion 15d that is substantially vertical when viewed from the side of the vehicle, and an upper portion that extends substantially horizontally rearward from the upper edge of the front wall portion 15d and has the fuel inlet 15a. A wall portion 15e, a rear wall portion 15f that gently curves rearward and obliquely downward from the rear edge of the upper wall portion 15e, and a bottom wall portion 15g that extends rearward and obliquely downward from the lower edge of the front wall portion 15d. ing.

  Left and right mounting brackets 15h are welded and fixed to the left and right edges of the front wall portion 15d of the tank body 15b. The mounting bracket 15h is formed with a mounting flange 15h 'protruding forward from the front side wall 15d. The left and right mounting flanges 15 h ′ are formed so as to be located outside the vertical projection surface of the fuel tank 15. A screw hole 15j for mounting the tank cover 16 is formed below the mounting flange 15h 'of the mounting bracket 15h.

  The left and right mounting flanges 15h 'are mounting bolts (mounting members) 49 inserted from above with an elastic member 48 interposed between tank brackets 3d formed on the upper surfaces of the left and right tank rails 3, 3. It is detachably fixed by.

  A triangular engagement piece 15i extending downward is provided at the rear end of the extension 15c. The engaging piece 15i is engaged with a stopper portion 6a formed in the seat frame 6, thereby restricting the forward movement of the fuel tank 15.

  Since the extension 15c of the fuel tank 15 extends obliquely upward, it is difficult to completely inject fuel into the extension 15c while the fuel tank 15 is mounted on the vehicle. Accordingly, when fuel is completely injected into the entire fuel tank 15, it is necessary to remove the fuel tank 15 from the vehicle body frame 1a. However, since the fuel tank 15 can be removed from the vehicle body frame 1a simply by removing the left and right mounting bolts 49, 49, it is possible to suppress deterioration in workability when the fuel tank 15 is entirely filled with fuel.

  The fuel tank 15 is provided with a tank cover 16 that covers the fuel tank 15 from above. A top cover 17 is disposed between the left and right tank rails 3 and 3 so as to cover a front portion of the fuel tank 15 from above. The top cover 17 can be attached and detached independently without removing the tank cover 16.

  The top cover 17 is disposed so as to form a continuous surface with the tank cover 16, and a boundary portion D between the top cover 17 and the tank cover 16 is located behind the front wall portion 15 d of the fuel tank 15. And is set so as to be located in the vicinity of the front wall portion 15d.

  The tank cover 16 and the top cover 17 are resin molded products formed by laminating a plurality of fiber reinforced sheets. The tank cover 16 is reinforced by increasing the number of laminated fiber reinforced sheets over substantially the whole (the hatched portion and the lattice portion in FIGS. 6 and 7). On the other hand, as for the top cover 17, only the left, right lower end portion and rear end portion (shaded portions in FIGS. 4 and 5) are reinforced by increasing the number of laminated fiber reinforced sheets. Further, the thickness of the tank cover 16 is set larger than that of the top cover 17. In this way, the tank cover 16 has higher strength and higher rigidity than the top cover 17.

Inside the top cover 17 are an ECU 43 that controls the fuel injection amount and injection timing of the fuel injection valve 40 based on the operating state of the engine 20, a regulator 44 that adjusts the power generation flow rate from the alternator 30, and the exhaust pipe. Electrical components such as an amplifier 45 that amplifies a detection value from an O ₂ sensor (not shown) mounted on the motor 33 and outputs the amplified value to the ECU 43 are arranged in parallel in the vehicle width direction. Each of the electrical components 43 to 45 is attached on a support bracket 46 attached to the vehicle body frame 1a.

  When the top cover 17 is removed, the electrical components 43 to 45 are exposed upward, and maintenance and the like of the electrical components 43 to 45 can be easily performed.

  Each of the electrical components 43 to 45 is disposed below the top cover 17 with a predetermined gap s2 and is disposed above the air cleaner 37 with a predetermined gap s3. Each of the electrical components 43 to 45 is disposed with a predetermined gap s4 between the front wall portion 15d of the fuel tank 15.

  In the vicinity of the upstream side of the element 39 of the air cleaner 37, a diversion port 37 d for diverting the air in the air duct 38 and leading it into the top cover 17 is formed.

  A plurality of air discharge ports 17a that communicate with the gap s2 between the top cover 17 and the electrical components 43 to 45 and exhaust the air flowing through the gap s2 outward are provided on the left and right sides of the top cover 17. Is formed.

  The air diverted from the diversion port 37d of the air cleaner 37 flows backward through the gap s3 between the air cleaner 37 and the electrical components 43 to 45, hits the fuel tank 15, and passes through the gap s1 between the fuel tank 15 and the air cleaner 37. (See arrow a). On the other hand, a part of the air hitting the fuel tank 15 rises in the gap S4 between the fuel tank 15 and the electric parts 43 to 45, and flows forward through the gap S2 between the electric parts 43 to 45 and the topper cover 17 from here. Then, the air flows out from the air outlet 17a of the top cover 17 (see arrow b).

  The tank cover 16 is formed in a stepped shape along the front edge of the cover main body 16a and a cover main body 16a that functions as an external part covering the tank main body 15b protruding from between the left and right tank rails 3 and 3. A front flange portion 16b and a rear flange portion 16c formed stepwise along the rear edge. An opening 16j is formed in a portion of the upper wall portion 16i of the cover body 16a that faces the fuel injection port 15a.

  Between the rear wall portion 16g of the cover main body 16a and the rear wall portion 15f of the tank main body 15b, the rear wall portion 16g is positioned in the front-rear direction corresponding to the physique and preference of the rider seated on the seat cushion 7. A gap S is generated due to the setting. For example, when it is good that the rider is seated near the front side of the seat cushion 7, the rear wall portion 16g is set relatively on the front side, and thus the gap S is reduced. On the other hand, when it is acceptable for the rider to sit on the relatively rear side of the seat cushion 7, the rear wall portion 16g 'of the tank cover 16 is positioned relatively rearward as shown by a two-dot chain line in FIG. Is set, and the gap becomes larger as S ′.

  The front lower edge 16d of the cover body 16a is inclined obliquely downward along the upper surfaces of the left and right tank rails 3, and the rear lower edge 16e is inclined obliquely upward along the upper surface of the seat frame 6. .

  Tank mounting collars 16f and 16f are attached to the left and right lower ends of the front flange portion 16b of the tank cover 16. The tank cover 16 is fixed to the fuel tank 15 by inserting fixing bolts 50 into the left and right tank mounting collars 16f and 16f and screwing them into the screw holes 15j of the mounting bracket 15h of the fuel tank 15. .

  Here, the tank cover 16 is attached in advance to the fuel tank 15 in a state before being mounted on the vehicle, and is attached and detached together with the fuel tank 15. Accordingly, it is not necessary to remove or attach the tank cover 16 when the fuel tank 15 is detached, and the fuel tank 15 can be easily attached and detached.

A front edge portion 7a of the seat cushion 7 is superimposed on the rear flange portion 16c of the tank cover 16 from above. The tank cover 16 fixes the left and right tank mounting portions 16f to the fuel tank 15, and overlaps the rear flange portion 16c with the front edge portion 7a of the seat cushion 7 to the extension portion 15c of the fuel tank 15. Clip mounting seats 16k for attaching and detaching the top cover 17 are formed on the upper and upper ends of the left and right tank mounting portions 16f and 16f of the front flange portion 16b, which are fixed by pressing. Yes. The clip mounting seat 16k is formed with an insertion hole 16m for inserting the clip 51, and a pin 52 for locking the clip 51 is disposed inside the insertion hole 16m.

  The top cover 17 has an upper wall portion 17c extending continuously forward from the tank cover 16, and left and right side walls 17d and 17d extending curvedly downward from the left and right edges of the upper wall portion 17c. ing. The lower edges 17e of the left and right side wall portions 17d, 17d are inclined rearward and downward along the upper surface of the tank rail 3.

  A mounting seat 17f is recessed in the left, right lower end and upper end of the rear edge portion 17b of the top cover 17, and each mounting seat 17f matches the insertion hole 16m on the tank cover 16 side. An insertion hole 17f 'is formed to do this. The rear edge portion 17b of the top cover 17 is overlapped with the front flange portion 16a of the tank cover 16 from above, and the clip 51 is inserted through the insertion holes 17f 'and 16m of the mounting seats 17f and 16k. The top cover 17 is attached to the tank cover 16 by locking the pin 52 in the stop groove 51a.

  According to the present embodiment, the tank cover 16 that covers the fuel tank 15 protruding upward from between the left and right tank rails 3 and 3 from above, and the fuel tank 15 between the left and right tank rails 3 and 3. A top cover 17 that covers the front portion from above is provided, and the top cover 17 can be detached independently without removing the tank cover 16, so that the electrical equipment disposed above the engine 20 can be obtained simply by removing the top cover 17. Maintenance of the components 43 to 45 can be easily performed.

  In this embodiment, since the fuel tank 15 is covered with the tank cover 16, the tank cover 16 becomes an external part, and the fuel tank 15 is hidden inward, so that no finishing process is required, and the manufacturing cost of the fuel tank 15 is reduced. Can be reduced. That is, since the tank cover 16 is a resin molded product, it is easy to improve the appearance, and the cost can be reduced compared to the case where the outer surface of the fuel tank 15 is finished.

  Also, it is relatively easy to change the position of the rear wall portions 16g, 16g 'of the tank cover 16 that is a resin molded product, the width dimensions of the left and right side walls, etc., compared to the case of changing the shape of the fuel tank 15 itself. In addition, the rear wall portion 16g can be set at a position according to the rider's physique and preference, and there is no need to change the tank shape, thereby suppressing an increase in cost.

  In the present embodiment, since the boundary portion D between the top cover 17 and the tank cover 16 is located in the vicinity of the rear side of the front wall portion 15d of the fuel tank 15, the maintainability can be further improved. That is, by extending the rear edge portion 17b of the top cover 17 to the position where it is wrapped with the fuel tank 15, the opening when the top cover 17 is removed can be enlarged, and the maintenance work can be performed easily. .

  In the present embodiment, since the tank cover 16 is fixed to the fuel tank 15, the tank cover 16 can be removed together with the fuel tank 15 when the fuel tank 15 is removed from the vehicle body frame 1a. Can be easily performed.

  In this embodiment, since the top cover 17 is detachably attached to the tank cover 16, the alignment accuracy of the boundary portion D between the top cover 17 and the tank cover 16 can be increased, and the appearance can be improved. For example, when the top cover is attached to the vehicle body frame, it is difficult to obtain the alignment accuracy of the boundary portion between the top cover and the tank cover, and the appearance of the boundary portion may be deteriorated.

  A front-rear direction position of the rear wall portion 16g of the tank cover 17 is set to a position corresponding to the rider's physique and preference, and a gap S formed between the rear wall portion 16g and the rear wall portion 15f of the fuel tank 15 is set. Therefore, if the rider prefers to sit on the front side of the seat cushion 7, the gap S is set small so that the rear wall portion 16g is frontward and seated on the rear side. If the fuel tank 15 is preferred, the rear side wall 16g 'is set to be larger than the gap S' so that the fuel tank 15 can be used in common and the rider's physique and preferences can be accommodated.

  Since the tank cover 16 and the top cover 17 are made of resin, and the reinforcing area of the tank cover 16 is increased and the wall thickness of the tank cover 16 is larger than that of the top cover 17, the tank cover 16 to which a large load acts is applied. Can secure the necessary strength and rigidity, and the top cover 17 can be reduced in weight. That is, the tank cover 16 is required to have high rigidity and high strength because the deceleration G caused by the rider's weight acts at the time of deceleration, and the knee grip force acts at the time of cornering. It is effective to make the cover 16 thick. On the other hand, since the external force is hardly applied to the top cover 17, it is reasonable to make it thin for cost and weight reduction.

  In this embodiment, since the air discharge hole 17a for discharging the air b in the gap s2 between the top cover and the electrical components 43 to 45 to the outside is formed in the top cover 17, the electrical components 43 to 45 are efficiently cooled. can do. That is, in the vicinity of the outer surface of the top cover 17, the air discharge port 17a has a negative pressure because the air flow velocity during traveling is fast. On the other hand, a positive pressure is generated between the electrical components 43 to 45 and the top cover 17 by the inflow of the divided air. Accordingly, an air flow that flows around the electrical components 43 to 45 from the lower side to the upper side is formed.

  In the present embodiment, a mounting flange 15h is formed in the fuel tank 15 so as to be located outside the vertical projection surface of the fuel tank 15 and the tank cover 16, and the mounting flange 15h is inserted from above. 49, the tank rail 3 is detachably fixed to the tank bracket 3d, so that the fuel tank 15 is removed from the vehicle body frame 1a by removing the top cover 17 and inserting a tool from above to remove the two mounting bolts 49. The fuel tank 15 can be easily attached and detached. In the present embodiment, the fuel tank 15 needs to be attached / detached in order to fill the extension portion 15c formed to secure the tank capacity, for example. That is, as described above, in the state where the fuel tank 15 is mounted on the vehicle, the extension portion 15c cannot be filled with fuel, and therefore, it is necessary to remove the fuel tank 15 from the vehicle body frame 1a.

  In the present embodiment, the front flange portion 16b of the tank cover 16 is fixed to the fuel tank 15, and the rear flange portion 16c is pressed against the extension portion 15c of the fuel tank 15 by the seat cushion 7. The number of attachment parts can be reduced, and attachment / detachment work can be easily performed.

1 is a side view of a motorcycle according to an embodiment of the present invention. It is a side view of the mounting part of the fuel tank of the motorcycle. It is a side view of the tank cover and top cover which are arrange | positioned at the said fuel tank. It is a top view of the said top cover. It is a side view of the top cover. It is a top view of the said tank cover. It is a side view of the said tank cover. It is a side view of the vehicle body frame attachment part of the said fuel tank. It is a side view of the tank cover attaching part of the top cover.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Motorcycle 1a Body frame 2 Head pipe 3 Tank rail 6 Seat 7 Seat cushion 15 Fuel tank 15d Front wall part 15f Rear wall part 15h Mounting flange 16 Tank cover 16b Front flange part (front edge part)
16c Rear flange (rear edge)
17 Top cover 17a Air exhaust hole 17b Rear edge 20 Engine 43 to 45 Electrical component 49 Mounting bolt (mounting member)
D boundary S gap

Claims (9)

A vehicle body frame having left and right tank rails extending from the head pipe to the rear of the vehicle, an engine disposed below the left and right tank rails, and the left and right tank rails behind the engine A motorcycle including a fuel tank disposed so that at least a part protrudes upward from the space,
A tank cover for covering the fuel tank from above; and a top cover for covering the vehicle-mounted components disposed in front of the fuel tank between the left and right tank rails and above the engine from above. The cover is removable from the vehicle,
The on-vehicle component includes an electrical component, and the electrical component is disposed between the left and right tongues in the top cover and exposed upward when the top cover is removed,
The top cover is formed with an air discharge hole that communicates with a space formed between the top cover and the electrical component and discharges air in the space to the outside. A characteristic motorcycle. The motorcycle according to claim 1, wherein a boundary portion between the top cover and the tank cover is located in the vicinity of a front wall of the fuel tank. The motorcycle according to claim 2, wherein a rear edge portion of the top cover extends to a position where the rear edge of the top cover wraps on the fuel tank. 2. The motorcycle according to claim 1, wherein the tank cover is attached to the fuel tank. The motorcycle according to claim 4, wherein the top cover is detachably attached to the tank cover. 2. The fuel tank according to claim 1, wherein a seat is disposed on the rear side of the fuel tank, and is adjustable between a rear wall portion of the tank cover facing a front end portion of the seat and a rear wall of the fuel tank. A motorcycle characterized in that a gap is formed. The motorcycle according to claim 1, wherein the tank cover is a resin molded product having a thickness greater than that of the top cover. 3. The fuel tank according to claim 2, wherein the fuel tank has left and right mounting flange portions formed so as to be located in the vicinity of the boundary portion and outside the vertical projection surface of the fuel tank and the tank cover. A motorcycle , wherein left and right mounting flange portions are detachably mounted on the left and right tank rails by mounting members inserted from above . 9. The fuel tank according to claim 8, wherein a seat is disposed on a rear side of the fuel tank, a front edge portion of the tank cover is fixed to the fuel tank, and a rear edge portion is a rear end of the fuel tank by a front edge portion of the seat. A motorcycle characterized by being pressed by a portion .

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