JP4908348B2 - Motorcycle - Google Patents

Description

  The present invention relates to a motorcycle including an exhaust device that extends rearward from an engine, and a mudguard device disposed between a rear cushion and a rear wheel.

  A motorcycle generally includes an exhaust device extending rearward from the engine and a mudguard device between a rear cushion and a rear wheel disposed rearward of the engine.

  Conventionally, the mudguard device includes, for example, a rear fender, a part of an air cleaner case, and a mudguard, and the mudguard is attached to the air cleaner case and is hung downward between the rear cushion and the rear wheel. Yes (see, for example, Patent Document 1).

By the way, as the exhaust device, there is a so-called rear exhaust type in which an exhaust pipe is extended rearward as it is from an engine rear wall. When this rear exhaust system is adopted, it may be difficult to secure a necessary exhaust pipe length. As a method for avoiding this problem, for example, it is conceivable to use the space between the rear cushion and the rear wheel to bend the exhaust pipe in a loop shape to thereby secure the necessary exhaust pipe length.
JP-A-8-268363

  However, when the structure in which the exhaust pipe is bent in a loop shape between the rear cushion and the rear wheel is adopted, the mud guard constituting the mudguard device may be deformed by the exhaust heat, and in the extreme case, the mudguard is melted. We are concerned about the problem.

  In order to avoid this problem, the bracket for attaching the mudguard to the vehicle body frame tends to be long and complicated in shape, and as a result, there are problems in that the structure is complicated, the number of parts and the weight are increased. .

  The present invention has been made in view of the above-described conventional circumstances, and provides a motorcycle capable of preventing deformation and erosion due to exhaust heat of a mudguard device without increasing the complexity of the structure and increasing the number of parts and weight. The challenge is to do.

  The present invention includes an exhaust device extending rearward from an engine mounted on a vehicle body frame, a rear arm supported by the vehicle body frame so as to be swingable up and down, a rear wheel supported on a rear end portion of the rear arm, and the rear arm. In the motorcycle including a rear cushion interposed between the vehicle body frame and a mudguard device disposed between the rear cushion and the rear wheel, a part of the exhaust device is the rear The mudguard device is located between a cushion and a rear wheel, and the mudguard device includes a guard portion at least part of which is made of a metal plate, and the guard portion includes the rear cushion and the rear wheel of the exhaust device. It is attached to the part located between.

  According to the motorcycle according to the present invention, the mudguard device includes the guard portion, at least part of which is made of a metal plate, so that the guard portion can be directly attached to the exhaust device. As a result, the guard portion can be prevented from being deformed or melted due to exhaust heat, the bracket can be made unnecessary, and the structural complexity, the number of parts and the weight can be avoided.

    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. In the description of the present embodiment, the terms front / rear and left / right mean front / rear and left / right when viewed in a seated state unless otherwise specified.

  In the figure, reference numeral 1 denotes an off-road type motorcycle. The motorcycle 1 includes a body frame 2, an engine 3 mounted on the body frame 2, a fuel tank 4 mounted above the engine 3 of the body frame 2, and a position behind the fuel tank 4. A saddle-type seat 5 mounted on the vehicle body frame 2 is provided.

  The motorcycle 1 also includes an intake device 16 that extends forward from the engine 3, an exhaust device 6 that extends rearward from the engine 3, a rear arm 7 that is supported by the vehicle body frame 2 so as to swing up and down, and the rear arm 7, a rear wheel 8 supported at the rear end portion, a rear cushion 9 interposed between the rear arm 7 and the vehicle body frame 2, and between the rear cushion 9 and the seat 5 and the rear wheel 8. And an installed mudguard 10.

  The vehicle body frame 2 includes a head pipe 11 positioned at the front end thereof, left and right main frames 12 and 12 extending obliquely downward and rearward from the head pipe 11, and a down tube extending downward from the head pipe 11. 13, left and right seat rails 14 and 14 extending obliquely upward rearward from a boss portion 12a formed at the rear upper part of the left and right main frames 12, and the left and right seat rails 14 and the main frame 12 Left and right seat stays 15 and 15 are connected to each other.

  A front fork 18 is supported by the head pipe 11 so as to be steerable left and right. A front wheel 19 is pivotally supported at the lower end of the front fork 18, and a steering handle 20 is attached to the upper end. A front fender 21 is attached to the front fork 18 so as to cover the front wheel 19.

  Left and right side covers 23 are attached outside the left and right main frames 12 in the vehicle width direction so as to cover the fuel tank 4.

  The rear arm 7 includes left and right arm bodies 7a and 7a extending in the front-rear direction, and a cross portion 7b that joins front portions of the left and right arm bodies 7a. A front end portion of 7a is supported by lower end portions of the left and right main frames 12 via a pivot shaft 7c.

  The rear cushion 9 has a function of absorbing the impact force in the vertical direction transmitted from the road surface to the rear wheel 8, and is disposed in a state of being slightly tilted forward at the rear of the engine 3 and at the center in the vehicle width direction. The lower portion of the rear cushion 9 is disposed so as to vertically pass through the space surrounded by the left and right arm bodies 7a, the cross portion 7b, and the pivot shaft 7c.

  The upper end of the rear cushion 9 is connected to a support shaft 12b arranged so as to be inserted through the boss portions 12a, 12a of the left and right main frames 12 in the vehicle width direction. The lower end portion of the rear cushion 9 is connected to the cross portion 7 b of the rear arm 7 via a link mechanism 24.

  The engine 3 is a water-cooled four-cycle single-cylinder engine and is mounted on the vehicle body frame 2 with the cylinder axis line oriented substantially vertically.

  The intake device 16 includes an intake pipe 16a that is connected to the front wall 3a of the engine 3 and extends linearly obliquely forward, and an air cleaner (not shown) connected to an upstream end of the intake pipe 16a. The intake pipe 16a communicates with an intake port that opens in the front wall 3a.

  The air cleaner is disposed between the left and right main frames 12 and 12 and below the fuel tank 4, and is covered with left and right side covers 23. Although not shown, the intake pipe 16a is provided with a throttle body having a built-in throttle valve, and a fuel injection valve is disposed downstream of the throttle body.

  The exhaust device 6 includes an exhaust pipe 25 connected to the rear wall 3 b of the engine 3 so as to communicate with an exhaust port, and a muffler 26 connected to a downstream end of the exhaust pipe 25. The muffler 26 is disposed below the seat rail 14 on the right side in the vehicle width direction, and is suspended from the seat rail 14.

  Left and right rear side covers 28 and 28 are attached outside the left and right seat rails 14 in the vehicle width direction so as to cover the muffler 26.

  The exhaust pipe 25 extends from the rear wall 3b of the engine 3 diagonally rearward on the right side of the rear cushion 9, and is bent to form a loop between the rear cushion 9 and the rear wheel 8. Specifically, it has the following structure.

  The exhaust pipe 25 includes a first exhaust pipe portion 25a extending from the rear wall 3b of the engine 3 so as to rise rearward and obliquely upward between the main frame 12 on the right side in the vehicle width direction and the rear cushion 9, and the first exhaust pipe. An upward arc-shaped upper exhaust pipe portion 25b that extends while bending the lower portion of the bottom plate 5a of the seat 5 to the left in the vehicle width direction following the upper portion of the portion 25a, and a downward circle following the left portion of the upper exhaust pipe portion 25b A second exhaust pipe portion 25c that bends and extends to form an arc, a downward arc-shaped lower exhaust pipe portion 25d that extends and bends to the right in the vehicle width direction following the lower portion of the second exhaust pipe portion 25c, and A third exhaust pipe portion 25e extending rearward and obliquely upward from the right portion of the lower exhaust pipe portion 25d. The muffler 26 is connected to the downstream end of the third exhaust pipe portion 25e.

  When the exhaust pipe 25 is viewed from the rear of the vehicle, the first exhaust pipe portion 25a extends vertically on the right side in the vehicle width direction, and the second exhaust pipe portion 25c extends vertically on the left side in the vehicle width direction. Yes.

  The upper exhaust pipe portion 25b extends in the vehicle width direction so as to connect the upper portions of the first exhaust pipe portion 25a and the second exhaust pipe portion 25c, and is located at the highest position in the exhaust pipe 25. ing. The lower exhaust pipe portion 25d extends in the vehicle width direction so as to connect the lower ends of the first exhaust pipe portion 25a and the second exhaust pipe portion 25c, and is located at the lowest position in the exhaust pipe 25. ing.

  Thus, the exhaust pipe 25 makes one round so as to form a substantially circular loop shape between the left and right seat rails 14 and the left and right seat stays 15 when viewed from the rear of the vehicle. And the upper part of the said rear cushion 9 is located in the circular opening part 25f formed when the said exhaust pipe 25 has comprised circular shape seeing from the vehicle rear (refer FIG. 8).

  Further, when viewed from the left side of the vehicle, the exhaust pipe 25 rotates approximately one turn from the front to the rear between the rear cushion 9 and the rear wheel 8. (See FIG. 2). In this way, the required exhaust pipe length of the exhaust pipe 25 is ensured.

  The upper exhaust pipe portion 25b has an upper edge positioned substantially at the same height as a straight line A connecting the lower surfaces of the seat rails 14 and 14, and forms a bent portion that is convex upward as a whole. It is close to the lower surface of the bottom plate 5a. The sheet 5 has a structure in which a resin seat cushion 5b is disposed on a resin sheet bottom plate 5a and fixed with an adhesive, and is wrapped with a resin skin 5c. Further, the lower exhaust pipe portion 25d is located at substantially the same height as the vicinity of the front end portion of the seat stay 15.

  A heat shield plate 30 is disposed between the upper exhaust pipe portion 25b and the seat bottom plate 5a so as to cover the upper side of the upper exhaust pipe portion 25b. The heat shield plate 30 is made of a heat resistant resin, and has a flat main plate portion 30a substantially along the sheet bottom plate 5a, and a front wall bent downward so as to follow a front side edge of the main plate portion 30a. Part 30b and a rear wall part 30c bent downward so as to follow the rear side edge. The heat shield plate 30 may be made of a metal plate.

  The front wall portion 30 b extends so as to be positioned between the upper exhaust pipe portion 25 b and the fuel tank 4. The upper exhaust pipe portion 25b is covered from above, diagonally forward, and diagonally backward by the main plate portion 30a, the front wall portion 30b, and the rear wall portion 30c.

  The heat shield plate 30 is mounted across the left and right seat rails 14 located below the seat 5.

  Specifically, the heat shield plate 30 includes left and right mounting portions 30d and 30d formed to protrude outward in the vehicle width direction from the left and right front edge portions of the main plate portion 30a, and left and right rear edges. The left and right positioning engagement portions 30e and 30e are projected from the portion outward in the vehicle width direction and further bent downward. The heat shield plate 30 is positioned in the vehicle width direction by engaging the left and right positioning engagement portions 30e with the outer surface of the seat rail 14. The heat shield plate 30 is detachably attached to the left and right seat rails 14 by fixing the left and right attachment portions 30d to the upper surface of the seat rails 14 with bolts 31 and 31, respectively. .

  Here, the left and right attachment portions 30d and the positioning engagement portion 30e are formed to step down from the main plate portion 30a, and the main plate portion 30a is formed on the upper surface of the left and right seat rails 14. It is located slightly above. The left and right seat rails 14 and 14 function as left and right side wall portions extending downward from the left and right edge portions of the main plate portion 30a. As a result, when viewed from above the vehicle, the upper exhaust pipe portion 25b is surrounded by the left and right seat rails 14, 14, the main plate portion 30a, the front wall portion 30b, and the rear wall portion 30c. Located in space.

  Support boss portions 30f, 30f are formed so as to protrude upward from the left and right attachment portions 30d of the main plate portion 30a on the inner side in the vehicle width direction. On the other hand, a pair of left and right flange portions 4a and 4a are formed on the rear wall portion 4b of the fuel tank 4 so as to protrude rearward, and a nut 32a is fixed to the inner surface of the flange portion 4a. . The left and right flange portions 4a are fixed to the left and right support boss portions 30f by bolts 32 and nuts 32a inserted from the outside in the vehicle width direction.

  On the upper surface of the main plate portion 30a of the heat shield plate 30, electrical components such as a regulator 35 and an ECU 36 are arranged in parallel in the vehicle width direction.

  The regulator 35 is detachably attached to the main plate portion 30a by a pair of front and rear bolts 37,37. The regulator 35 is formed with a large number of cooling fins 35a extending in the front-rear direction at predetermined intervals in the vehicle width direction.

  The ECU 36 controls the fuel injection timing, the injection amount, the ignition timing, etc. of the fuel injection valve according to the operating state of the engine 3 and is attachable to and detachable from the main plate portion 30a via a rubber band 38. It is attached.

  The mudguard 10 includes a first guard portion 40 located between the rear wheel 8 and the looped portion of the exhaust pipe 25, and a second guard portion 41 located below the first guard portion 40. And a rear fender 42 positioned above the rear wheel 8, and further includes a part of the exhaust pipe 25.

  The rear fender 42 is made of resin, extends in the front-rear direction so as to cover the left and right seat rails 14, 14 below the seat 5, and is attached to the left and right seat rails 14.

  A front end portion 42a of the rear fender 42 is located in the vicinity of the front edge of the muffler 26, and a rear portion 42b extends rearward so as to form a continuous surface following the rear edge of the seat 5 (FIGS. 1 and 7). reference).

  The first guard part 40 is composed of a metal plate made of aluminum or stainless steel, and the second guard part 41 is composed of a resin plate or a metal plate.

  The first guard portion 40 is attached to a portion of the exhaust pipe 25 located between the rear cushion 9 and the rear wheel 8, and has the following structure in detail.

  The first guard portion 40 is disposed on the vehicle front side with respect to the front edge 42a ′ of the rear fender 42, and the upper edge portion 40a of the first guard portion 40 is a front edge 42a of the rear fender 42 when viewed from the rear of the vehicle. It ’s wrapped in ′. Further, when viewed from the rear of the vehicle, the first guard part 40 is formed by the first exhaust pipe part 25a, the second exhaust pipe part 25c, the upper exhaust pipe part 25b, and the lower exhaust pipe part 25d. It arrange | positions so that the circular opening part 25f may be plugged up from vehicle back, and also covers the said rear cushion 9 from back (refer FIG. 8).

  Furthermore, the outer peripheral edge portions of the first exhaust pipe portion 25a, the upper exhaust pipe portion 25b, the second exhaust pipe portion 25c, and the lower exhaust pipe portion 25d are located outside the outer peripheral edge of the first guard portion 40. ing. As a result, each of the exhaust pipe portions 25a to 25d also functions as a mudguard that prevents splash mud from the rear wheel 8 from adhering to the rear cushion 9.

  Left and right leg portions 40b and 40b are bent forward at the left and upper right edge portions of the first guard portion 40, respectively. The left and right leg portions 40b are fixed by welding near the boundary between the upper exhaust pipe portion 25b and the first and second exhaust pipe portions 25a and 25c. The first guard portion 40 is welded and fixed to the upper exhaust pipe portion 25b in advance when the exhaust device 6 is sub-assembled.

  Left and right mounting seats 40c, 40c are formed on the lower edge of the first guard portion 40 so as to protrude downward. The upper edge 41a of the second guard part 41 is detachably attached to the left and right attachment seats 40c by bolts 44, 44.

  The second guard portion 41 hangs down so as to be positioned between the rear wheel 8 and the rear cushion 9 following the first guard portion 40, and a lower end portion 41 b of the second guard portion 41 is a cross portion 7 b of the rear arm 7. And the rear wheel 8. An escape recess 41d that avoids interference with the third exhaust pipe portion 25e is formed in the upper right corner portion of the second guard portion 41.

  The motorcycle 1 of this embodiment employs a front intake and rear exhaust system in which the intake device 16 is connected to the front wall 3a of the engine 3 and the exhaust device 6 is connected to the rear wall 3b of the engine 3.

  In this case, since there is no obstacle in front of the engine, the intake pipe 16a can be formed in a straight line, and the intake resistance can be reduced. Further, since the air cleaner is positioned in front of the engine 3, the traveling wind can be supplied to the engine without being affected by the combustion heat from the engine 3, and the charging efficiency can be improved.

  On the other hand, the exhaust device 6 has the exhaust pipe 25 extending rearward from the rear wall 3b of the engine 3 as it is, so the appearance is cleaner than when passing through the side of the engine, and exhaust to the leg of the rider The influence of heat can be suppressed. In this case, since the exhaust pipe 25 is formed in a loop shape using the empty space between the rear cushion 9 and the rear wheel 8, a necessary exhaust pipe length can be secured.

  As described above, if a part of the exhaust pipe 25 is positioned between the rear cushion 9 and the rear wheel 8, there is a concern that the mudguard 10 may be deformed or melted by the exhaust heat. However, in the present embodiment, since the first guard portion 40 made of a metal plate is attached to the exhaust pipe 25 located between the rear cushion 9 and the rear wheel 8, the first guard portion 40 is deformed by exhaust heat. Can be prevented from melting or melting.

  Moreover, since the 1st guard part 40 can be directly attached to the exhaust pipe 25, the elongate bracket for attaching to a seat rail etc. can be made unnecessary, and the increase in a number of parts and a weight can be avoided.

  In the present embodiment, when the exhaust pipe 25 positioned between the rear cushion 9 and the rear wheel 8 is viewed from the rear of the vehicle, the first exhaust pipe portion 25a that is positioned on the right side in the vehicle width direction and extends vertically. Since the second exhaust pipe portion 25c is located on the left side in the vehicle width direction and extends in the vertical direction, the first exhaust pipe portion 25a and the second exhaust pipe portion 25c function as mudguards. The 1st guard part 40 can be reduced in size.

  In the present embodiment, the upper exhaust pipe portion 25b and the lower exhaust pipe portion 25d that connect the first exhaust pipe portion 25a and the second exhaust pipe portion 25c also function as mudguards. Can be downsized.

  In the present embodiment, since the upper part of the rear cushion 9 is positioned between the first exhaust pipe portion 25a and the second exhaust pipe portion 25c, the muddy water or the like is formed by the first exhaust pipe portion 25a and the second exhaust pipe portion 25c. Can prevent the rear cushion 9 from scattering.

  In the present embodiment, since the first guard portion 40 is disposed so as to close the space between the first exhaust pipe portion 25a and the second exhaust pipe portion 25c from the rear of the vehicle, the vehicle width dimension of the first guard portion 40 is reduced. It is possible to suppress the increase in cost and weight of the first guard part 40 when the metal plate is used.

  In the present embodiment, the first guard portion 40 is disposed on the vehicle front side of the rear fender 42, and the upper edge portion 40a of the first guard portion 40 is wrapped on the front edge 42a 'of the rear fender 42 in the vehicle rear view. Thus, muddy water or the like from the rear wheel 8 can be reliably prevented from entering the rear cushion 9 side.

  In this embodiment, since the 1st guard part 40 was directly attached to the exhaust pipe 25 by welding, it can suppress that a number of parts and a weight increase.

  10 to 12 are views for explaining a motorcycle mudguard according to another embodiment of the present invention. In the figure, the same reference numerals as those in FIGS. 7 to 9 denote the same or corresponding parts.

  The exhaust device of the present embodiment includes a first exhaust pipe portion 25a extending vertically on the right side in the vehicle width direction of the exhaust pipe 25 positioned between the rear cushion 9 and the rear wheel 8, and on the left side in the vehicle width direction. The second exhaust pipe portion 25c extending in the vertical direction is disposed so as to overlap in the vehicle width direction when viewed from the side of the vehicle.

  The first guard portion 40 made of the metal plate of the present embodiment is joined to the rear wall surfaces of the first exhaust pipe portion 25a and the second exhaust pipe portion 25c, which are located between the rear cushion 9 and the rear wheel 8, by welding. The left and right brackets 47, 47 made of sheet metal are detachably attached with a grommet 48 made of an elastic member interposed therebetween.

  That is, leg portions 40b, 40b bent forward at the left and right edge portions of the first guard portion 40 are fixed to the bracket 47 by bolts 49, 49 with the grommet 48 interposed therebetween. The left and right brackets 47 are disposed at the same height and are overlapped with each other when viewed from the side of the vehicle.

  In the present embodiment, since the first guard portion 40 made of a metal plate is attached to the first exhaust pipe portion 25a and the second exhaust pipe portion 25c located between the rear cushion 9 and the rear wheel 8, The deformation and melting damage of the 1 guard part 40 can be prevented, and the same effect as in the above embodiment can be obtained.

  In this embodiment, since the first exhaust pipe portion 25a and the second exhaust pipe portion 25c are arranged so as to overlap in the vehicle width direction, the mounting positions of the left and right brackets 47, 47 in the vertical direction and the front-rear direction are determined. The first guard portion 40 can be easily attached with high accuracy.

  Further, since the first exhaust pipe part 25a and the second exhaust pipe part 25c are arranged so as to overlap each other when viewed in the vehicle width direction, the length in the front-rear direction can be shortened while ensuring the required exhaust pipe length of the exhaust pipe 25. As a result, the exhaust pipe and the mudguard device can be arranged without any trouble in a limited space between the rear cushion and the rear wheel.

  In the present embodiment, since the first guard part 40 is detachably attached to the exhaust pipe 25 with the grommet 48 interposed therebetween, damage such as cracking due to vibration can be prevented and maintenance including replacement of the first guard part 40 can be performed. It can be done easily.

  In the embodiment described above, a so-called front intake and rear exhaust motorcycle in which the intake device 16 extends forward from the front wall 3a of the engine 3 and the exhaust device 6 extends rearward from the rear wall 3b has been described as an example. The present invention can also be applied to rear intake and front exhaust motorcycles. That is, the exhaust pipe that is led forward from the engine extends rearward through the side or the lower side of the engine, and then is positioned so as to rise from the lower side to the upper side so as to be positioned between the rear cushion and the rear wheel. Applicable to two-wheeled vehicles.

1 is a side view of a motorcycle according to an embodiment of the present invention. It is a side view of the exhaust device of the motorcycle. It is a side view of the heat insulation plate arrange | positioned at the said exhaust apparatus. It is a top view of the said heat shield plate. It is a side view of the said heat shield plate. It is a cross-sectional front view of the heat shield plate. It is a side view of the mudguard apparatus arrange | positioned at the said exhaust apparatus. It is a rear view of the mudguard. It is sectional drawing of the guard part of the said mudguard apparatus. It is a side view of the mudguard apparatus arrange | positioned at the exhaust apparatus by other embodiment of this invention. It is a rear view of the mudguard. It is sectional drawing of the guard part of the said mudguard apparatus.

Explanation of symbols

1 Motorcycle 2 Body frame 3 Engine 6 Exhaust device 7 Rear arm 8 Rear wheel 9 Rear cushion 10 Mudguard 16 Intake device 25 Exhaust pipe (exhaust device)
25a 1st exhaust pipe part 25c 2nd exhaust pipe part 40 1st guard part (guard part)
40a Upper edge part 42 Rear fender 42a Front end part 48 Grommet (elastic member)

Claims (10)

An exhaust device extending rearward from an engine mounted on the vehicle body frame, a rear arm supported by the vehicle body frame so as to be swingable up and down, a rear wheel supported on a rear end portion of the rear arm, the rear arm and the vehicle body frame; In a motorcycle comprising a rear cushion interposed between the rear cushion and a mudguard device disposed between the rear cushion and the rear wheel,
A part of the exhaust device is located between the rear cushion and the rear wheel,
The mudguard device includes a guard part at least part of which is made of a metal plate,
The motorcycle according to claim 1, wherein the guard portion is attached to a portion of the exhaust device located between the rear cushion and the rear wheel. The portion of the exhaust device that is located between the rear cushion and the rear wheel includes a first exhaust pipe portion that is located on one side in the vehicle width direction and a second exhaust gas that is located on the other side in the vehicle width direction. A motorcycle having a pipe portion. The motorcycle according to claim 2, wherein when viewed from the rear of the vehicle, at least a part of the rear cushion is located between the first exhaust pipe portion and the second exhaust pipe portion. 4. The motorcycle according to claim 2, wherein the guard portion is disposed so as to close a space between the first exhaust pipe portion and the second exhaust pipe portion from the rear of the vehicle. 3. The motorcycle according to claim 2, wherein the first exhaust pipe part and the second exhaust pipe part are arranged so that at least a part thereof overlaps when viewed from the side of the vehicle. The motorcycle according to claim 2, wherein the first exhaust pipe part and the second exhaust pipe part constitute a part of the mud removal device. 2. The mudguard device according to claim 1, wherein the mudguard device includes the guard portion positioned in front of the rear wheel and a rear fender portion positioned above the rear wheel, and the guard portion is formed from a front edge portion of the rear fender portion. A motorcycle characterized by being arranged in front of the vehicle in the longitudinal direction. The motorcycle according to claim 1, wherein the guard portion is welded to a portion of the exhaust device located between the rear cushion and the rear wheel. 2. The motorcycle according to claim 1, wherein the guard portion is attached to a portion of the exhaust device located between the rear cushion and the rear wheel with an elastic member interposed therebetween. 2. The motorcycle according to claim 1, wherein the exhaust device is connected to a rear wall of the engine and extends rearward from the rear wall.

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