JP6207098B2 - Motorcycle body cover and motorcycle - Google Patents

Description

  The present invention relates to a motorcycle body cover and a motorcycle mounted on a motorcycle having a fuel tank installed at the rear of a head pipe and covering a front side of the fuel tank.

  Some motorcycles are provided with a head pipe for supporting a front wheel steering system at a front portion of a vehicle body frame, and a fuel tank is installed at a rear side of the head pipe of the vehicle body frame. In this type of motorcycle, a fuel tank whose front side is covered with a vehicle body cover is known (for example, see Patent Document 1).

  The vehicle body cover described in Patent Literature 1 is disposed above the front wheel, and is overlapped with a fender member that surrounds the front and left and right sides of the head pipe, and left and right rear portions of the fender member. And a side cowl that covers the side. The side cowl has a cowl main part (upper extension part) that extends from the front side of the fuel tank toward the side of the fuel tank, and the peripheral part of the rear region of the cowl main part contacts the side of the fuel tank. It touches. Further, an exhaust port for discharging the traveling wind flowing into the inside of the cowl main part to the lower side of the vehicle body is provided at a position ahead of the rear region of the cowl main part.

JP 2010-13065 A

In the conventional vehicle body cover, the rear region of the cowl main portion of the side cover is attached to the side surface of the fuel tank on the rear side of the vehicle body with respect to the exhaust port. In the rear region of the cowl main portion, a portion facing the side surface of the fuel tank is formed in a concave shape, and a peripheral portion thereof is in contact with the side surface of the fuel tank. The rear region of the cowl main portion forms a bag-like space between the rear surface of the cowl port and the side surface of the fuel tank.
For this reason, in the above-described conventional vehicle body cover, traveling wind tends to accumulate in the bag-like space inside the rear region of the cowl main portion during traveling of the vehicle, and air resistance tends to occur. Further, since the rear region of the cowl main part is a portion that smoothly continues to the side of the fuel tank and is easily visible from the outside of the vehicle, it is preferable in terms of appearance to provide an air outlet in the rear region of the cowl main part. Absent.

  Therefore, the present invention is intended to provide a motorcycle body cover and a motorcycle that can improve the appearance quality and reduce the air resistance during vehicle travel.

In order to solve the above problems, a vehicle body cover for a motorcycle according to the present invention has a side cowl that covers the front side of the fuel tank (50) disposed at the rear of the head pipe (11) of the vehicle body frame (F). (40), the side cowl (40) has a cowl main portion (41a) extending from the front side of the fuel tank (50) toward the side surface of the fuel tank (50), In a vehicle body cover of a motorcycle in which the peripheral portion of the rear region (41a-r) of the cowl main portion (41a) is in contact with or close to the side surface of the fuel tank (50), the side cowl (40 ), A first cowl member (41) having the cowl main part (41a), and a second cowl member (42) disposed at least partially overlapping the back side of the first cowl member (41). The second cowl member (42) includes the first cowl. A front shielding portion (42b) that shields the space (a) in the rear region (41a-r) from the front in a state of being overlapped with the back surface side of the member (41), and the head pipe (11), A fender member (30) surrounding a front fork (22) supported to be steerable by the head pipe (11) is further provided, and the second cowl member (42) is disposed outside the fender member (30). The front shielding portion (42b) is provided so as to protrude toward the outside of the fender member (30) .

With the above configuration, the front shielding portion (42b) of the second cowl member (42) shields the space (a) inside the rear region (41a-r) of the cowl main portion (41a) from the front side. When the traveling wind flows into the cowl main part (41a) while the vehicle is traveling, the traveling wind enters the space (a) inside the rear region (41a-r) of the cowl main part (41a). The front shield (42b) will block. As a result, it is possible to prevent the traveling wind from accumulating inside the rear region (41a-r) of the cowl main portion (41a) and increasing the traveling resistance of the vehicle.
In this case, the second cowl member (42) is disposed outside the head pipe (11) and the front fork (22) covered with the fender member (30), and the front shielding portion ( 42b) protrudes to the outside of the head pipe (11) and the front fork (22). For this reason, when the front fork (22) and other members around the steering wheel rotate around the head pipe (11), these members are prevented from interfering with the second cowl member (42) while The body cover including the cowl can be designed in a compact manner.

The front shielding part (42b) is formed to be inclined from the upper part to the rear side of the vehicle body at the back surface position of the first cowl member (41), and the lower end of the front shielding part (42b) A part of the air exhaust port (45) that communicates the space on the front side of the front shielding part (42b) to the lower side of the vehicle may be configured together with the first cowl member (41).
In this case, when the traveling wind that has flowed into the cowl main portion (41a) during the traveling of the vehicle comes into contact with the front shielding portion (42b), along the front shielding portion (42b) that is inclined downward toward the rear of the vehicle body. The traveling wind then flows, and the traveling wind passes through the exhaust port (45) and is discharged to the lower side of the vehicle. Therefore, it is possible to further suppress the air resistance when the vehicle is traveling.

The second cowl member (42) is formed continuously with the front shielding part (42b), and overlaps the back side of the first cowl member (41), and is in the rear region (41a-r). It is good also as a structure which has the lower shielding part (42c) which shields the space (a) of this from the downward direction.
In this case, the traveling wind that has flown into the cowl main portion (41a) during the traveling of the vehicle hits the front shielding portion (42b) and then wraps around the lower portion of the front shielding portion (42b). ) Can be prevented by the lower shielding portion (42c) from flowing into the space (a) inside the rear region (41a-r). Therefore, it is possible to more reliably suppress the traveling wind from accumulating inside the rear region (41a-r) of the cowl main portion (41a) and increasing the traveling resistance of the vehicle.

Between the first cowl member (41) and the second cowl member (42), there is an exhaust port (45) for flowing the running wind flowing out from the space in front of the front shielding part (42b) to the rear side of the vehicle body. The second cowl member (42) is provided with a wind guide wall (42a-1) constituting a wall in the vehicle width direction of the air exhaust port (45), and the wind guide wall (42a-1). ) May be provided with a bulging portion (46) that bulges outward in the vehicle width direction downward from the top in an arc shape and narrows the opening width of the exhaust port (45).
In this case, the traveling wind that has flowed into the cowl main portion (41a) during traveling of the vehicle hits the front shielding portion (42b), flows through the exhaust port (45), and changes its direction to the rear side of the vehicle body. At this time, the air guide wall (42a-1) of the second cowl member (42) constituting the wall on the inner side in the vehicle width direction of the air exhaust port (45) bulges outward in the vehicle width direction and the air exhaust port (45). Since the bulging portion (46) that narrows the opening width is provided, the traveling wind that has flowed downward from the space in front of the front shielding portion (42b) is gradually directed toward the rear side of the vehicle body at the bulging portion (46). Change. For this reason, it becomes possible to suppress an increase in the reaction force caused by a sudden change in direction of the traveling wind.

The second cowl member (42) may be provided with a recess (47) recessed inward in the vehicle width direction adjacent to the rear side of the bulging portion (46).
In this case, when the vehicle travels, the traveling wind that has gradually changed its direction toward the rear side of the vehicle at the bulging portion (46) in the exhaust port (45) through the inside of the cowl main portion (41a) 46) is peeled off from the wind guide wall (42a-1) of the second cowl member (42) at the recess (47) adjacent to the rear side of the vehicle body. Therefore, the traveling wind whose direction is changed to the vehicle rear side at the air exhaust port (45) is immediately separated at the hollow portion (47), so that the steering performance (turning performance) of the vehicle is improved.

The front shielding part (42b) and the lower shielding part (42c) may be covered with the first cowl member (41) on the outer side in the vehicle width direction.
In this case, since the front shielding part (42b) and the lower shielding part (42c) are covered with the first cowl member (41) and cannot be seen from the outside, the appearance from the outside is improved and the design is improved. Is possible.

  In order to solve the above-described problem, the motorcycle according to the present invention is disposed at the rear part of the body frame (F) having the head pipe (11) at the front part and the head pipe (11) of the body frame (F). The fuel tank (50) and any one of the vehicle body covers are provided.

  According to the present invention, the front shielding portion of the first cowl member prevents the traveling wind from entering the space inside the rear region of the cowl main portion without providing a wind outlet in the rear region of the cowl main portion. Can do. Therefore, according to the present invention, it is possible to reduce the air resistance during traveling of the vehicle without deteriorating the appearance quality of the rear region of the cowl main portion of the first cowl member.

1 is a side view of a motorcycle according to an embodiment of the present invention. 1 is a front view of a motorcycle according to an embodiment of the present invention. 1 is a side view of a motorcycle according to an embodiment of the present invention. 1 is a perspective view of a motorcycle according to an embodiment of the present invention. FIG. 5 is a cross-sectional view of the motorcycle according to the embodiment of the present invention taken along line VV in FIG. 1. 1 is a top view of a motorcycle according to an embodiment of the present invention. 1 is a side view of a vehicle body cover according to an embodiment of the present invention.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Note that the directions such as front, rear, left and right in the following description are the same as those in the vehicle unless otherwise specified. In addition, the arrow FR in the figure indicates the front of the vehicle, the arrow UP indicates the upper side of the vehicle, and the arrow LH indicates the left side of the vehicle.

FIG. 1 is a diagram of a motorcycle 1 according to this embodiment as viewed from the right side, and FIG. 2 is a diagram of the motorcycle 1 as viewed from the front.
The motorcycle 1 according to this embodiment is an off-road type motorcycle in which a rear wheel Wr is driven by an engine 2.
A body frame F of the motorcycle 1 includes a head pipe 11 disposed at a front end, a main frame 12 extending rearward and downward from the head pipe 11, and a lower portion of a connection portion between the main frame 12 on the head pipe 11. A down frame 13 extending downward from the position, and a pair of center frames 14 curved and extended downward from left and right sides of the rear region of the main frame 12 are provided. The lower ends of the center frame 14 are coupled by a cross pipe (not shown) extending in the vehicle width direction. The vehicle body frame F further includes a pair of left and right seat frames 16 extending from the rear portion of the main frame 12 toward the vehicle body rear side, a lower region of each of the left and right center frames 14, and a rear region of the corresponding left and right seat frames 16. And a support frame 17 connecting the two.

  A steering stem (not shown) is rotatably supported on the head pipe 11. The upper and lower ends of the steering stem are connected to a top bridge 23 and a bottom bridge 24 that hold the upper portions of the left and right front forks 22. A steering handle 21 is connected to the top bridge 23. A front wheel Wf is rotatably supported at the lower ends of the left and right front forks 22.

A fuel tank 50 is attached to the main frame 12, and a seat 51 for seating an occupant is attached to the seat frame 16 at the rear of the fuel tank 50.
A power unit PU having the engine 2 and the transmission 3 is attached to an area between the down frame 13 and the center frame 14 below the main frame 12. In the engine 2, a cylinder block 27 is integrally coupled to an upper portion of a crankcase 26 that houses a crankshaft. The transmission 3 is integrally coupled to the rear portion of the crankcase 26 of the engine 2, and the transmission 3 is provided with an output shaft (not shown) for taking out the power of the engine 2 to the outside.

  A front end portion of a swing arm 34 that rotatably supports the rear wheel Wr is pivotally supported on the center frame 14 so as to be vertically swingable. The output shaft of the transmission 3 and the rear wheel Wr are connected via a drive chain (not shown) so that power can be transmitted. A cushion unit (not shown) is interposed between the swing arm 34 and the vehicle body frame F.

FIG. 3 is a view of the front region of the motorcycle 1 as viewed from the right side, and FIG. 4 is a view of the front region of the motorcycle 1 as viewed from the upper right side rear side. FIG. 5 is a cross-sectional view of the motorcycle 1 taken along the line V-V in FIG. 1. FIG. 6 is a top view of the front region of the motorcycle 1 along the axial direction of the head pipe 11. It is the figure seen from the side.
As shown in these drawings, the front part of the head pipe 11 and the fuel tank 50 surround the upper part of the left and right front forks 22 and the peripheral area of the top bridge 23 and the bottom bridge 24 and the upper side of the front wheel Wf. The covering front fender 30 (fender member) is attached by bolt fastening, clip fastening, or the like. The front fender 30 is supported by the head pipe 11 via a stay (not shown) fixed to the head pipe 11. The front fender 30 includes a rear cover portion 30a having a substantially C-shaped top view covering the upper portions of the left and right front forks 22, the top bridge 23 and the front and left and right sides of the bottom bridge 24, and a front portion of the rear cover portion 30a. And a front cover portion 30b extending forward of the vehicle substantially along the arc shape of the upper portion of the front wheel Wf. The rear cover 30a is installed so as not to interfere with the left and right front forks 22 and various cables supported by the head pipe 11 when the front wheel Wf is steered. In the rear cover 30 a, rear end portions of the left and right side wall portions are coupled to the front side surface of the fuel tank 50. The front cover 30b prevents muddy water and dust from scattering from the front wheels Wf toward the driver when the vehicle is traveling.

  In addition, a headlight cover 31 that covers the front of a headlight (not shown) and a meter visor 32 for preventing sunlight from reflecting on the instrument 33 shown in FIG. 6 are installed on the front fender 30. Yes. The headlight cover 31 and the meter visor 32 are supported by the head pipe 11 via a stay (not shown).

  Resin side cowls 40 are attached to the left and right side surfaces of the front fender 30 and the fuel tank 50 to cover the left and right front sides of the fuel tank 50, respectively. Each of the left and right side cowls 40 includes a first cowl member 41 having a cowl main portion 41a extending from the left and right outer side surfaces of the front fender 30 toward the left and right side surfaces of the fuel tank 50, and a part of the first cowl member. And a second cowl member 42 that is disposed so as to overlap the rear surface side (inner side in the vehicle width direction) of 41. The first cowl member 41 and the second cowl member 42 are connected to each other by screwing or uneven fitting.

FIG. 7 is a view showing the second cowl member 42 of the side cowl 40 by a solid line and the first cowl member 41 by an imaginary line.
As shown in the figure, the cowl main portion 41a of the first cowl member 41 is formed in a gentle mountain shape with the upper side extending in the longitudinal direction of the vehicle body as the top at a substantially central position in the longitudinal direction. 41a-f and rear region 41a-r are formed so as to converge toward the extended end side. An outer wind guide wall that extends downward while curving inward in the vehicle width direction and covering the front side of the engine 2 on the lower edge of the first cowl member 41 near the front side of the cowl main portion 41a. 41b is integrally formed.

The front region 41a-f of the cowl main portion 41a is curved inward in the width direction along the front shape of the front fender 30 curved in the vehicle width direction, and the curved portion hits the outer side surface of the front fender 30. It touches.
The rear region 41a-r of the cowl main portion 41a is fixed to the side surface of the fuel tank 50 by clipping or the like in a shallow recess 50a formed on the side surface of the fuel tank 50. In the rear region 41 a-r, the converged tip region of the upper side and the lower side is in contact with the side surface of the fuel tank 50. In the rear region 41a-r, the central region gently bulges outward in the vehicle width direction with respect to the upper side and the lower side. A concave space a is formed inside the rear region 41a-r. The concave space a is substantially closed by the side surface of the fuel tank 50 on the inner side in the vehicle width direction when the first cowl member 41 is attached to the side surface of the fuel tank 50.

  The second cowl member 42 has a front end overlapped with the rear surface of the rear edge portion of the outer air guide wall 41b of the first cowl member 41, and a main wall extending in a substantially triangular shape on the rear side of the vehicle body with the front end as one side. 42a and a front shielding part 42b extending upward from the upper part on the front end side of the main wall 42a. The front shielding wall 42b is disposed so as to overlap the back surface of the cowl main portion 41a of the first cowl member 41, and closes the space a inside the rear region 41a-r of the cowl main portion 41a from the front side. . The front shielding wall 42b has a raised height in the vehicle width direction with respect to the main wall 42a, and a step portion is provided at a connecting portion with the main wall 42a. The front shielding portion 42b is inclined toward the rear side of the vehicle body from the upper side to the lower side at the back surface position of the first cowl member 41 in a state where the second cowl member 42 is attached to the first cowl member 41.

Further, a lower shielding portion 42c extending toward the rear side of the vehicle body is connected to the lower end of the front shielding portion 42b. The lower shielding part 42c is arranged so as to overlap the back surface of the cowl main part 41a of the first cowl member 41 together with the front shielding part 42b, and the space a inside the rear region 41a-r of the cowl main part 41a is viewed from the front lower side. It is supposed to block. The lower shielding portion 42c has a raised height in the vehicle width direction with respect to the main wall 42a, similar to the front shielding portion 42b.
The front shielding part 42b and the lower shielding part 42c are covered with the first cowl member 41 on the outer side in the vehicle width direction. Further, the front shielding part 42 b and the lower shielding part 42 c protrude toward the outside of the rear covering part 30 a of the front fender 30.

The second cowl member 42 has a tongue piece 42d extending at the rear end of the main wall 42a. The tongue piece portion 42d is coupled to the lower end region of the side surface of the fuel tank 50, and a center side cover 44 (see FIGS. 3 and 4) covering the vehicle body side portion is overlaid on the outer surface of the side portion.
The front end portion of the main wall 42 a of the second cowl member 42 is disposed so as to overlap the back surface of the outer wind guide wall 41 b of the first cowl member 41, and its lower edge region is the outer wind guide wall of the first cowl member 41. It is integrally connected to 41b by screws or the like. The lower edge portion of the main wall 42a thus connected to the first cowl member 41 is attached to a stay 36 fixed to the down frame 13 as shown in FIG.

  In addition, traveling between the front edge of the main wall 42a of the second cowl member 42 and the outer air guide wall 41b of the first cowl member 41 flows into the vehicle width direction from the front side of the first cowl member 41. An exhaust port 45 for exhausting the wind toward the rear of the vehicle body is formed. The air exhaust port 45 is formed to be long in the vertical direction, and the upper end portion 45a is formed so as to be surrounded by the lower end of the front shielding portion 42b and the first cowl member 41 described above. The air exhaust port 45 similarly exhausts the traveling wind flowing into the cowl main portion 41a (front region 41a-f) of the first cowl member 41 to the rear of the vehicle body.

  Here, the front edge portion of the main wall 42 a of the second cowl member 42 is an air guide wall 42 a-1 that constitutes a wall on the inner side in the vehicle width direction of the air outlet 45. The air guide wall 42 a-1 is provided with a bulging portion 46 that bulges outward in the vehicle width direction from the upper part in an arc shape and gently narrows the opening width of the air exhaust port 45. The bulging portion 46 gently throttles the traveling wind flowing into the lower exhaust port 45 from the inside of the cowl main portion 41a (front region 41a-f) by the bulging portion 46, and the flow of the traveling wind is directed to the rear side of the vehicle body. Change gently so that it faces.

  Further, in the main wall 42a of the second cowl member 42, a recess 47 having a substantially triangular shape in a side view is provided in a portion adjacent to the rear side of the bulging portion 46 of the air guide wall 42a-1. ing. In the recess 47, the outer surface of the main wall 42a in the vehicle width direction is recessed inward in the vehicle width direction. The recessed portion 47 is mainly driven by traveling wind that flows into the exhaust port 45 from the inside of the cowl main portion 41a (front region 41a-f) and changes its direction toward the rear side of the vehicle body at the bulging portion 46 during traveling of the vehicle. It functions to quickly peel from the wall 42a.

In the above configuration, when traveling wind flows from the front to the lower side of the front fender 30 during traveling of the motorcycle 1, most of the traveling wind passes through the exhaust vents 45 of the left and right side cowls 40 and is exhausted to the rear side of the vehicle body. Is done.
Further, part of the traveling wind that flows from the front of the motorcycle 1 to the lower side of the front fender 30 also flows between the outer surfaces of the left and right side walls of the front fender 30 and the cowl main portion 41 a of the left and right side cowls 40. . At this time, the traveling wind that has flown into the inside of the cowl main portion 41a (front region 41a-f) of the left and right side cowls 40 is disposed in front of the rear region 41a-r of the cowl main portion 41a. It hits the front shielding wall 42b of the cowl member 42, changes its direction downward at the front shielding wall 42b, and flows into the upper part of the air outlet 45. Then, the traveling wind that has flowed into the upper portion of the air exhaust port 45 is turned to the rear side of the vehicle body and exhausted to the rear side of the vehicle body.

As described above, the vehicle body cover according to this embodiment includes the left and right side cowls 40 that cover the front side of the fuel tank 50, and the side cowl 40 includes the first cowl member 41 and the second cowl member 42. I have. The second cowl member 42 is provided with a front shielding portion 42b that shields the space a in the rear region 41a-r of the cowl main portion 41a from the front in a state where the second cowl member 42 overlaps the back surface side of the first cowl member 41. ing. For this reason, in the vehicle body cover according to this embodiment, it is possible to prevent the traveling wind from entering the space a in the rear region 41a-r without providing an exhaust port in the rear region 41a-r of the cowl main portion 41a. Can do.
Therefore, by adopting the vehicle body cover according to this embodiment, it is possible to reduce the air resistance during traveling of the vehicle without deteriorating the appearance quality of the rear region 41a-r of the cowl main portion 41a.

  Further, in the vehicle body cover according to this embodiment, the front shielding portion 42b is formed at the back surface position of the first cowl member 41 so as to be inclined downward from the upper portion toward the vehicle body, and the front shielding portion 42b. The lower end of the first and second cowl members 41 constitutes a part of the air outlet 45 through which the traveling wind flows downward from the front side of the front shielding portion 42b. Therefore, the traveling wind that has flowed into the front side of the front shielding part 42b can be smoothly exhausted to the vehicle lower side. Therefore, by adopting this structure, it is possible to further suppress the air resistance during traveling of the vehicle.

  Further, in the vehicle body cover according to this embodiment, a lower shielding portion 42c that shields the space a in the rear region 41a-r of the cowl main portion 41a from below is formed continuously with the front shielding portion 42b. For this reason, the traveling wind that has flowed into the cowl main portion 41a wraps under the front shielding portion 42b after hitting the front shielding portion 42b and flows into the space a inside the rear region 41a-r. It can prevent more reliably by the shielding part 42c.

Furthermore, in the vehicle body cover according to this embodiment, an air exhaust port 45 is provided between the first cowl member 41 and the second cowl member 42, and the air guide wall is a wall of the air exhaust port 45 on the second cowl member 42 side. 42a-1 is formed with a bulging portion 46 that bulges in an arc shape outward from the top toward the outside in the vehicle width direction. For this reason, when the vehicle is traveling, the direction of the traveling wind flowing downward from the front region 41a-f in the cowl main portion 41a can be gently changed to the rear side of the vehicle body by the bulging portion 46. Therefore, by adopting this structure, it is possible to suppress an increase in reaction force due to a sudden change in direction of the traveling wind.
Further, since the bulging portion 46 bulges in an arc shape on the outer side in the vehicle width direction, it is possible to suppress the traveling wind from staying in the vicinity of the bulging portion 46.

  Furthermore, in the vehicle body cover according to this embodiment, a recess 47 that is recessed inward in the vehicle width direction is provided adjacent to the vehicle body rear side of the bulging portion 46 of the second cowl member 42. For this reason, the traveling wind whose direction is gradually changed toward the vehicle rear side at the bulging portion 46 in the air exhaust port 45 can be quickly peeled off from the second cowl member 42 in the recessed portion 47. Therefore, by adopting this structure, it is possible to improve the steering performance (turning performance) when the vehicle is traveling.

  In the vehicle body cover according to this embodiment, the front shielding portion 42b and the lower shielding portion 42c are covered with the first cowl member 41 on the outer side in the vehicle width direction, so that the appearance from the outside is improved and the design is improved. it can.

  Further, in the vehicle body cover according to this embodiment, the second cowl member 42 is disposed outside the front fender 30 surrounding the steering system, and the front shielding portion 42b and the lower shielding portion 42c are located outside the front fender 30. It protrudes toward you. Therefore, the entire vehicle body cover including the left and right side cowls 40 is compact while avoiding interference of members around the steering system with the second cowl member 42 when the steering system is operated around the head pipe 11. Can be

  In addition, this invention is not limited to said embodiment, A various design change is possible in the range which does not deviate from the summary.

DESCRIPTION OF SYMBOLS 1 ... Motorcycle 11 ... Head pipe 22 ... Front fork 30 ... Front fender (fender member)
DESCRIPTION OF SYMBOLS 40 ... Side cowl 41 ... 1st cowl member 41a ... Cowl main part 41a-r ... Rear part 42 ... 2nd cowl member 42a-1 ... Air guide wall 42b ... Front shielding part 42c ... Lower shielding part 45 ... Air exhaust port 46 ... Swelling part 47 ... hollow part 50 ... fuel tank a ... space (a)
F ... Body frame

Claims (7)

A side cowl (40) covering the front side of the fuel tank (50) disposed at the rear of the head pipe (11) of the vehicle body frame (F);
The side cowl (40) has a cowl main part (41a) extending from the front side of the fuel tank (50) toward the side surface of the fuel tank (50), and the cowl main part (41a). In the vehicle body cover of a motorcycle in which the peripheral portion of the rear region (41a-r) is in contact with or close to the side surface of the fuel tank (50),
The side cowl (40) includes a first cowl member (41) having the cowl main part (41a) and a second cowl disposed so as to overlap at least a part of the back surface of the first cowl member (41). A member (42),
The second cowl member (42) is a front shielding portion that shields the space (a) in the rear region (41a-r) from the front in a state where the second cowl member (42) overlaps the back side of the first cowl member (41). has a 42b),
A fender member (30) surrounding the head pipe (11) and a front fork (22) supported to be steerable by the head pipe (11);
The second cowl member (42) is disposed outside the fender member (30),
The vehicle body cover for a motorcycle, wherein the front shielding portion (42b) protrudes toward the outside of the fender member (30) . The front shielding part (42b) is formed to be inclined toward the rear side of the vehicle body from the upper part to the lower part at the back surface position of the first cowl member (41).
The lower end of the front shielding part (42b) is configured with a part of the air exhaust port (45) that communicates the space on the front side of the front shielding part (42b) with the first cowl member (41). The motorcycle body cover according to claim 1, wherein the motorcycle body cover is provided.   The second cowl member (42) is formed continuously with the front shielding part (42b), and overlaps the back side of the first cowl member (41), and is in the rear region (41a-r). The vehicle body cover for a motorcycle according to claim 1 or 2, further comprising a lower shielding portion (42c) for shielding the space (a) from below. Between the first cowl member (41) and the second cowl member (42), there is an exhaust port (45) for flowing the running wind flowing out from the space in front of the front shielding part (42b) to the rear side of the vehicle body. Provided,
The second cowl member (42) is provided with a wind guide wall (42a-1) that constitutes an inner wall in the vehicle width direction of the air exhaust port (45),
The air guide wall (42a-1) is provided with a bulging portion (46) that bulges outward in the vehicle width direction downward from the upper part in an arc shape and narrows the opening width of the exhaust port (45). The motorcycle body cover according to any one of claims 1 to 3, wherein the motorcycle body cover is provided.   The said 2nd cowl member (42) is provided with the hollow part (47) dented in the vehicle width direction inner side adjacent to the vehicle body back side of the said bulging part (46), It is characterized by the above-mentioned. 4. A vehicle body cover for a motorcycle according to 4.   The motorcycle according to claim 3, wherein the front shielding portion (42b) and the lower shielding portion (42c) are covered with the first cowl member (41) on the outer side in the vehicle width direction. Body cover. A vehicle body frame (F) having a head pipe (11) at a front portion, a fuel tank (50) disposed at a rear portion of the head pipe (11) of the vehicle body frame (F), and any one of claims 1 to 6 A motorcycle comprising the vehicle body cover according to item 1.

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