JPH11227659A - Motorcycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an American type motorcycle equipped with an engine guard while degradation of the easiness in assembling operation is prevented. SOLUTION: A bracket 44 for footboard is formed in a frame shape from a part extending across the width of motorcycle and fore-and-aft direction extension part extending to the back of the body from the two ends of the width extension part and is installed under an engine. When viewed from over this width extension part, it should protrude to outside of the engine in the direction across the width. The width extension part is secured to a down tube 13 of a body frame, and the tail of the fore-and-aft extension part is fixed to a rear arm bracket 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motorcycle in which a bracket for mounting a footrest is disposed below an engine.

[0002]

2. Description of the Related Art Conventionally, there is a so-called American type as one of motorcycle types. This American type motorcycle includes a footrest or a footboard (hereinafter collectively referred to simply as a footrest member) so that a driver can ride the vehicle with his / her legs extended in front of the vehicle body. It is located on the front side of the vehicle compared to motorcycles. The footrest member of this type of motorcycle is often attached via a bracket to a down tube of a vehicle body frame or to a vehicle body left side and a vehicle body right side in a lower part of a front side of an engine body.

[0003]

SUMMARY OF THE INVENTION The inventors of the present invention have considered mounting an engine guard for protecting the engine when the vehicle gets over a bump on a road on an unpaved road to the American type motorcycle described above. I have.

However, in this type of motorcycle, the bracket for attaching the footrest is located at the same position as the engine guard, that is, near the lower part of the front of the engine.
When the engine guard is to be mounted, a plurality of components are mixed in a narrow space, which causes a problem that the assemblability is deteriorated.

The present invention has been made to solve such a problem, and an object of the present invention is to provide an American type motorcycle with an engine guard while preventing the assemblability from being impaired.

[0006]

In order to achieve this object, in a motorcycle according to the present invention, a bracket for mounting a footrest member is mounted on an engine so that the bracket projects outward from the engine in the vehicle width direction when viewed from above. A vehicle width direction extending portion extending on a lower side and two front-rear direction extending portions extending rearward from both ends of the vehicle width direction extending portion are formed in a frame shape, and the vehicle width direction extending portion is formed in a body frame. And a rear end of the extending portion in the front-rear direction is fixed to a rear arm bracket 14.

According to the present invention, since the bracket for attaching the footrest member can have the function of an engine guard, the engine guard can be substantially equipped by attaching the bracket to the body frame. .

A motorcycle according to another invention is the motorcycle according to the invention described above, wherein the down tube has a lowermost end in front of the crankcase of the engine, and the rear arm bracket has a lowermost end near the rear end of the crankcase of the engine. And a foot mounting member mounting bracket supported on the lower end of the down tube and the rear arm bracket.

According to the present invention, since the lower portion of the engine is covered only by the bracket for mounting the footrest member, the lower portion of the engine is widely opened by removing the bracket for mounting the footrest member from the vehicle body frame.

A motorcycle according to another aspect of the present invention is the motorcycle according to the above-described aspect, wherein the bracket for the footrest member supports all of the operators arranged around the lower portion of the engine. According to the present invention, the footboard bracket can be attached to the vehicle body frame in a state where all the operators are assembled in advance, so that the engine does not become an obstacle when assembling the operators.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First Embodiment A motorcycle according to an embodiment of the present invention will be described below in detail with reference to FIGS. 1 is a side view of a motorcycle according to the present invention, FIG. 2 is a plan view of the same, FIG. 3 is a side view of a vehicle body frame, FIG. 4 is a plan view showing a state in which a footboard bracket is attached to the vehicle body frame, FIG. 6 is a side view showing the footboard bracket viewed from the left side of the vehicle body, FIG. 6 is a side view showing the footboard bracket viewed from the right side of the vehicle body, and FIG. 7 is a half of the footboard bracket on the left side of the vehicle body. FIG. 8 is an enlarged plan view showing the right half of the footboard bracket on the right side of the vehicle body.

FIG. 9 is a view showing a footboard on the right side of the vehicle body, wherein FIG. 9 (a) is a plan view, FIG. 9 (b) is a side view, and FIG. 9 (c) is a cross section taken along line CC in FIG. FIG. FIG. 9 shows a state in which the cover rubber is not attached to the footboard body. 10A and 10B are views showing a connecting member of the footboard, FIG. 10A is a plan view, FIG. 10B is a side view, and FIG. 10C is a rear view. 11 is a perspective view of a footboard bracket, FIG. 12 is a side view showing a chain sprocket cover of the engine, and FIG. 13 is a perspective view of the chain sprocket cover.

In these figures, the reference numeral 1 indicates an American type motorcycle according to this embodiment. The motorcycle 1 has a footboard 3 disposed on a side of a lower part of a front side of a vehicle body of an engine 4 so that a driver sitting on a seat 2 can get on the vehicle with his legs extended forward of the vehicle body. I have. 1 and 2, reference numeral 5 denotes a front wheel, 6 denotes a front fork, 7 denotes a steering wheel, and 8 denotes a rear wheel.

The engine 4 is an air-cooled four-cycle single-cylinder engine and is mounted on a vehicle body frame indicated by reference numeral 9 in FIG. The exhaust pipe 10 of the engine 4 is connected to a front side of the vehicle body of the cylinder head 4a, extends downward in front of the engine 4, and extends rearward of the vehicle body through a lower side of the engine 4. As shown in FIG. 4, the exhaust pipe 10 is formed so that a portion extending downward in front of the engine 4 is gradually shifted to the right side of the vehicle body toward the downstream side.

A body frame 9 on which the engine 4 is mounted
As shown in FIG. 3, a head pipe 11 and a main pipe 12 extending rearward and downward from the head pipe 11 are provided.
A down tube 13 extending rearward and downward from the head pipe 11 to the front of the vehicle body from the engine 4; a rear arm bracket 14 welded to a lower end portion of the main pipe 12; It comprises a seat rail 15, a back stay 16 for connecting the middle of the seat rail 15 and the rear arm bracket 14, and the like. Reference numeral 17 connecting the middle of the back stay 16 and the rear arm bracket 14 is a footrest stay for mounting a footrest 18 (see FIG. 1) for a passenger.

The head pipe 11 and the main pipe 12
The down tube 13 and the down tube 13 are each formed by a single tubular body, and the rear arm bracket 14, the seat rail 15 and the back stay 16 are formed so as to form a pair in the vehicle width direction. The front fork 6 is rotatably supported by the head pipe 11, and the engine 4 is mounted on the down tube 13 and the rear arm bracket 14. The down tube 13 has a lowermost end in front of the crankcase of the engine 4, and the rear arm bracket 14 has a lowermost end near the rear end of the crankcase of the engine 4. The lowermost ends of the down tube 13 and the rear arm bracket 14 are connected only by a foot board bracket described later.

As shown in FIGS. 5 and 6, the engine 4 is mounted on the body frame 9 by a down tube 13.
The upper and lower portions of the crankcase 4a on the front side of the vehicle body are fixed to the engine bracket 21 fixed to the lower end portion of the crankcase 4a by two fixing bolts 19, 20 with connecting bolts 22, 23, and the rear arm bracket 14 is connected to the crankcase 4a. Are fixed by connecting bolts 24 and 25 at the upper and lower positions on the rear side of the vehicle body.

A rear arm indicated by reference numeral 27 in FIG. 1 is swingably supported on the rear arm bracket 14 via a pivot shaft 26 (see FIGS. 5 and 6).
The rear wheel 8 is rotatably supported by the rear end of the rear arm 27. A rear cushion unit 29 is interposed between the rear arm 27 and a rear reinforcing member 28 (see FIG. 3) of the body frame 9.

The drive system of the rear wheel 8 is driven from the output sprocket of the engine denoted by reference numeral 30 in FIG.
A conventionally well-known structure for transmitting the power of the engine 4 to the sprocket 32 on the rear wheel side by a chain indicated by. In FIG. 12, a sprocket cover is indicated by reference numeral 33 which covers the output sprocket 30 and the chain 31 near the output sprocket 30. As shown in FIGS. 12 and 13, the sprocket cover 33 is formed integrally with a rear end of an extension portion 34 extending rearward of the vehicle body so as to cover a wider range of the chain 31. Are elastically supported on the crankcase 4a by bolts 35 and grommets (not shown), respectively, and the extension portions 34 are fixed to the footrest stays 17 by bolts 36. The supporting portion of the bolt 36 to the vehicle body frame 9 has a long hole extending in the front-rear direction of the vehicle body so as to absorb an error in mounting the engine 4 to the vehicle body frame 9 and a manufacturing error of the vehicle body frame 9 alone. Has become.

The footboard 3 of the motorcycle 1
As shown in FIG. 9, a footboard body 41 formed in a flat plate shape, a connecting member 42 welded to the lower surface of the footboard body 41, and a rubber cover 43 adhered to the upper surface of the footboard body 41 (FIG. 2) 4 to 8), and is attached to the vehicle body frame 9 via a foot board bracket 44 described later. FIG. 9 shows the footboard 3 on the right side of the vehicle body. Footboard 3 on the left side of the vehicle
Are formed so as to be symmetrical in the vehicle width direction with those on the right side of the vehicle body shown in FIG.

The footboard body 41 is formed by subjecting a metal plate to pressure molding, and as shown in FIG. 9 (a), a concave portion 41a which is recessed downward is formed in a portion which is inside when viewed from above. In addition, the outer edge portion is projected so as to extend downward. The circle 41b formed in the footboard main body 41 is a through hole for reducing the weight and attaching a rubber cover 43 forming a tread surface.

The connecting member 42 is formed in a U-shape which is open toward the inside of the vehicle body as viewed from above by pressing the metal plate, as shown in FIG. The part is welded to the footboard main body 41 in a state where it protrudes from the footboard main body 41 to the inside of the vehicle body. Also,
The connecting member 42 is formed in a U-shaped cross section that opens a portion located below the footboard main body 41 downward, and integrally includes four connecting plates 45 protruding from the footboard main body 41 to the inside of the vehicle body. Is formed. These connecting plates 4
5 is swingably connected to a foot board bracket 44.

Further, a projection 46 used as a bank sensor is integrally formed at the outer end of the connecting member 42 on the outside of the vehicle body by projecting the projection downward.
That is, when the vehicle body is greatly inclined during turning, the projection 46 first comes into contact with the ground, so that the occupant can be notified that the bank angle is large. If the projections 46 are not provided, the outer end of the footboard body 41 and the brake pedal are grounded by a large inclination of the vehicle body, so that they are worn and their appearance is impaired. However, by providing the protrusion 46 as shown in this embodiment, the protrusion 46 can be grounded when the inclination is large, and the influence on the appearance can be reduced.

The foot board bracket 44 is shown in FIG.
As shown in the figure, the vehicle width direction extending portion 44 extending in the vehicle width direction
a and two front-rear extending portions 44b extending rearward of the vehicle body from both ends of the vehicle width-direction extending portion 44a to form a frame, and positioned below the engine 4 to cover the engine 4 from below. To the vehicle body frame 9 as described above. The vehicle width direction extending portion 44a is formed such that both ends project outward from the engine 4 in the vehicle width direction as viewed from above as shown in FIG. Here, the configuration of the footboard bracket 44 will be described in more detail.

The foot board bracket 44 is shown in FIGS.
As shown in FIGS. 8 and 11, a bracket main body 47 formed of a U-shaped bent tube opening toward the rear of the vehicle body as viewed from above, and two brackets welded to the front end of the bracket main body 47 , Mounting blocks 49 and 50 welded to the rear end of the bracket body 47, a front footboard connecting member 51 and a rear footboard connecting member 52 for mounting the footboard 3, and the like. I have.

The foot board bracket 44 is mounted on the vehicle body frame 9 by fixing the mounting plate 48 of the bracket body 47 to the down tube 13 together with the engine bracket 21 and the mounting block at the rear end of the bracket body 47. 49 and 50 are fixed to the rear arm bracket 14. The left mounting block 49 of the two mounting blocks 49 and 50 is attached to the rear arm bracket 14 by the crankcase 4.
a connecting bolt 25 for connecting the rear end of the vehicle, and a connecting bolt 5 disposed on the rear side of the vehicle body with respect to the connecting bolt 25.
3 secures to the rear arm bracket.

As shown in FIG. 11, the front footboard connecting member 51 and the rear footboard connecting member 52 have bases 51a, 52a formed in a downward U-shaped cross section.
And two connecting plates 51 projecting from the base to the outside of the vehicle body.
b, 52b, and are welded to the right end of the bracket body 47 and the left end of the vehicle body so as to protrude outward from the vehicle body. Of the four connecting plates 45 of the footboard 3, the two connecting plates 45 on the front side of the vehicle body are swingably connected to the front footboard connecting member 51 by the front pivot pins 54, and the rear footboard connecting member 52.
Of the four connecting plates 45 of the footboard,
The connecting plates 45 are swingably connected by a pivot pin 55 on the rear side.

These footboard connecting members 51, 52
So that the foot board can swing about the front and rear pivot pins 54 and 55.
4, 55 are arranged on the same axis. Pivot pin 54,
The axis of 55 is set so as to be parallel to the front-rear direction of the vehicle body when viewed from above, and to extend downward when viewed from the side.

In this embodiment, the two connecting plates 45 of the footboard 3 are inserted inside the two connecting plates 51b and 52b of the footboard connecting members 51 and 52, and these are pivoted. They are connected by support pins 54, 55, and the protruding end of the connecting plate 45 on the footboard 3 side faces the inside of the bases 51a, 52a of the footboard connecting members 51, 52. By adopting this configuration, the footboard 3 can be kept at a steady position in which the upper surface is directed upward,
The footboard 3 can be swung so that the outside of the vehicle body moves upward when the vehicle body is tilted.

Further, the foot board bracket 4
Numeral 4 supports all the operators arranged around the lower part of the engine 4. Here, the operating elements include a shift pedal 56, a brake pedal 57, a side stand 58, and the like, as shown in FIG. The shift pedal 56 shown in FIG.
As shown in FIG. 1, a bracket 59 is swingably supported by a support shaft 59 provided on a front portion of the bracket body 47 on the left side of the vehicle body, and a brake pedal 57 is mounted on a support shaft 60 provided on a front portion of the bracket body 47 on the right side of the vehicle body. It is swingably supported. In this embodiment, an arm 62 connected to the brake pedal 57 via a rod 61 as shown in FIGS. 6 and 8 is also supported by the rear end of the bracket body 47. This arm 62
Are indicated by reference numeral 63 in the figure. The side stand 58 is swingably supported by a mounting block 49 welded to the rear end of the bracket body 47 on the left side of the vehicle body.

Furthermore, the foot board bracket 44 according to the present embodiment has a bracket body 47 for protecting components projecting downward from the bracket body 47.
Protective members 64 and 65 are provided at the lower part of the left and right sides of the vehicle body, respectively. The protection members 64 and 65 are formed by bending a metal round bar, and are welded to the bracket body 47 so as to protrude downward therefrom.
As shown in FIGS. 5 and 7, the protection member 64 on the left side of the vehicle body protects the lower end portion (the portion connecting the shift rod 66) of the shift pedal 56, and the protection member 65 on the right side of the vehicle body is shown in FIGS. As shown in FIG. 7, the portion connecting the rod 61 to the brake pedal 57 and the rod 61 and the exhaust pipe 10 are protected.

The motorcycle 1 configured as described above has:
Since the frame-shaped footboard bracket 44 is provided below the engine 4 and extends outward in the vehicle width direction from the engine 4, when the vehicle gets over a protrusion on a road on an unpaved road, the protrusion is used as a crankcase. 4a can be prevented by the footboard bracket 44.

Therefore, the footboard bracket 4
4 can be provided with the function of an engine guard. By mounting the footboard bracket 44 to the vehicle body frame 9, the engine guard can be substantially equipped.

Further, since the footboard bracket 44 has a structure in which all of the operators arranged around the lower portion of the engine are supported, the footboard bracket 44 is mounted in a state where all the operators are assembled in advance. It can be attached to the body frame 9. For this reason, since the operation element can be assembled at a place away from the engine 4, the engine 4 does not become an obstacle.

Further, since the lower portion of the engine 4 is widely opened by removing the footboard bracket 44 from the vehicle body frame 9, it is easy to remove the engine 4 from the vehicle body frame 9 at the time of maintenance or the like.

Second Embodiment The footboard 3 and the footboard bracket 44 can be formed as shown in FIGS. 14 is a side view showing the footboard bracket viewed from the vehicle body left side, FIG. 15 is a side view showing the footboard bracket viewed from the vehicle body right side, and FIG. 16 is a half of the footboard bracket on the vehicle body left side. FIG. 17 is an enlarged plan view showing a right half of the footboard bracket on the vehicle body. 18 (a) is a plan view, FIG. 18 (b) is a side view, and FIG. 18 (c) is a view taken along line C- in FIG.
It is a C line sectional view. FIG. 18 shows a state in which the cover rubber is not attached to the footboard body. FIG.
FIGS. 4A and 4B are views showing a connecting member of the footboard, wherein FIG. 4A is a plan view, FIG. 4B is a side view, and FIG. 4C is a rear view. FIG. 20 is a perspective view of a footboard bracket. In these drawings, the same or equivalent members as those described in FIGS. 1 to 13 are denoted by the same reference numerals, and detailed description thereof will be omitted.

The footboard 3 and the footboard bracket 44 shown in FIGS.
Except that the structure of connecting the footboard 3 to the footboard bracket 44 and the structure of connecting the footboard bracket 44 to the down tube 13 are different from those of the first embodiment. It has a structure.

As shown in FIGS. 14 to 17, the bank sensor comprises a U-shaped projecting piece 71 detachably attached to a side plate 42a on the outside of the vehicle body of the connecting member 42 of the footboard 3. . The protruding piece 71 is attached to the connecting member 42 by an attaching screw 72 at an upper end thereof in a state of protruding downward. The mounting screw 72 is shown in FIG.
9 through a through hole of the connecting member 42 indicated by reference numeral 73. In this embodiment, the connecting members 42 are formed with connecting plates 45 at two places at both ends in the front-rear direction of the vehicle body.
The connecting plate 45 is swingably connected to the footboard bracket 44 via one pivot pin 74 penetrating the connecting plate 45. A pin hole for allowing the pivot pin 74 to pass through the connecting plate 45 is indicated by reference numeral 75 in FIG.

As described above, by attaching the protruding piece 71 to the connecting member 42 in a detachable manner, only the protruding piece 71 can be replaced when worn due to friction with the road surface.
That is, in the case of employing the first embodiment, the footboard 3 itself must be replaced when the projection 46 wears out, but by adopting this embodiment, the footboard body 41 and the connecting member 42 are replaced. Protruding piece 7 without
Only one can be exchanged.

As shown in FIGS. 16 and 17, in this embodiment, the foot board 3 is swingably attached to a foot board connecting member 76 welded to both ends of the foot board bracket 44 in the vehicle width direction. I have. As shown in FIG. 20, the footboard connecting member 76 includes a base 76a formed in a U-shaped cross section and two sheets protruding outward in the vehicle width direction from both ends of the base 76a in the front-rear direction of the vehicle body. The bracket body 47 is welded to the right end of the vehicle body and the left end of the vehicle body of the bracket body 47, respectively.

A pin hole 76c is formed in the connecting plate 76b, and the footboard 3 is inserted through a pivot pin 74 inserted through the two connecting plates 76b into the pin hole 76c.
The connecting member 42 is swingably mounted. The axis of the pivot pin 74 is set so as to be parallel to the front-rear direction of the vehicle body when viewed from above and extend rearward and downward when viewed from the side.

In this embodiment, the two connecting plates 45 of the footboard 3 are inserted inside the two connecting plates 76b of the footboard connecting member 76, and these are connected by the pivot pin 74. The inside end of the connecting plate 45 in the vehicle width direction faces the inside of the base 76 a of the footboard connecting member 76. By adopting this structure, the footboard 3 can be stopped at a steady position in which the upper surface is directed upward, as in the case of the first embodiment. 3 can be swung so that the outside of the vehicle body moves upward.

As described above, by adopting a structure in which the foot board 3 is connected to the foot board bracket 44 by one pivot pin 74, the foot board connecting member and the foot board connecting member can be compared with the case of employing the first embodiment. The number of pivot pins can be reduced, and assemblability is improved.

In the footboard bracket 44 according to this embodiment, the mounting plate 48 of the bracket main body 47 is fixed to the engine bracket 21 with fixing bolts 77, and the front portion is down tubed via the engine bracket 21. 13 is supported.

By adopting this structure, the foot board bracket 44 without affecting the support state of the engine 4 when the engine 4 is mounted on the vehicle body frame 9.
Can be attached to and detached from the vehicle body frame 9. That is, in the case of adopting the first embodiment, when the fixing bolt 20 connecting the mounting plate 48 to the down tube 13 is removed, the engine bracket 21 is mounted on the down tube 13 with the fixing bolt 19 alone. However, by adopting a structure in which the mounting plate 48 is mounted on the engine bracket 21 with the fixing bolts 77, the engine bracket 21 can retain two bolts (fixing bolts 19 and 20) even if the fixing bolt 77 is removed. Is fixed to the down tube 13.

In each of the above-described embodiments, an example is shown in which the footboard 3 is used to put the driver's feet on. However, a conventionally known footrest may be used instead of the footboard 3.

The foot board bracket 44 is
For example, an engine guard (not shown) formed of a plate material can be provided. By adopting this configuration, the center of the frame-shaped footboard bracket 44 is closed by the engine guard, and the lower part of the engine 4 can be protected by the engine guard and the footboard bracket 44. it can. Even in such a configuration, since the lower portion of the engine 4 is widely opened by removing the footboard bracket 44 from the vehicle body frame 9, the same operation and effect as those of the above-described embodiment can be obtained.

[0048]

As described above, according to the present invention, since the bracket for attaching the footrest member can have the function of an engine guard, the mounting of the bracket on the body frame substantially improves the engine. Guards can be equipped.

Therefore, as compared with a case where a part exclusively functioning as an engine guard is provided in the vicinity of the footrest member bracket, one of the parts does not interfere with the other, so that the assembling property is good. Therefore, the engine guard can be provided in the vicinity of the footrest member of the American type motorcycle while preventing the assemblability from being impaired.

Further, according to another invention in which the foot mounting member mounting bracket is supported at the lower end of the down tube and the rear arm bracket, the lower part of the engine is covered by only this bracket, so that the foot mounting member mounting bracket is used. By removing the engine from the vehicle body frame, the lower part of the engine is widely opened, so that attachment and detachment of the engine, maintenance work, and the like can be easily performed.

According to another aspect of the present invention, in which all of the operators arranged around the lower part of the engine are supported by the footrest member bracket, the footboard bracket is connected to the vehicle body frame with all the operators already assembled. Can be mounted on
For this reason, the engine is not obstructed when the operator is assembled, so that the assemblability can be further improved.

[Brief description of the drawings]

FIG. 1 is a side view of a motorcycle according to the present invention.

FIG. 2 is a plan view of the motorcycle according to the present invention.

FIG. 3 is a side view of the vehicle body frame.

FIG. 4 is a plan view showing a state where a footboard bracket is attached to a vehicle body frame.

FIG. 5 is a side view showing a state in which the footboard bracket is viewed from the left side of the vehicle body.

FIG. 6 is a side view showing the footboard bracket as viewed from the right side of the vehicle body.

FIG. 7 is an enlarged plan view showing a half portion of the footboard bracket on the left side of the vehicle body.

FIG. 8 is an enlarged plan view showing a half of the right side of the footboard bracket.

FIG. 9 is a view showing a footboard on the right side of the vehicle body.

FIG. 10 is a view showing a connecting member of the footboard.

FIG. 11 is a perspective view of a footboard bracket.

FIG. 12 is a side view showing a chain sprocket cover of the engine.

FIG. 13 is a perspective view of a chain sprocket cover.

FIG. 14 is a side view showing the footboard bracket as viewed from the left side of the vehicle body.

FIG. 15 is a side view showing a state in which the footboard bracket is viewed from the right side of the vehicle body.

FIG. 16 is an enlarged plan view showing a half portion of the footboard bracket on the left side of the vehicle body.

FIG. 17 is an enlarged plan view showing a half part of the footboard bracket on the right side of the vehicle body.

FIG. 18 is a diagram showing a footboard on the right side of the vehicle body.

FIG. 19 is a view showing a connecting member of the footboard.

FIG. 20 is a perspective view of a footboard bracket.

[Explanation of symbols]

1: motorcycle, 3: footboard, 4: engine, 9
... body frame, 13 ... down tube, 14 ... rear arm bracket, 44 ... foot board bracket, 4
4a: vehicle width direction extending portion, 44b: front and rear direction extending portion, 48
... Mounting plates, 49,50 ... Mounting blocks, 51,52,7
6 ... foot board connecting member, 56 ... shift pedal, 57
... brake pedal, 58 ... side stand.

Claims (3)

[Claims] 1. A vehicle width direction extending portion extending in a vehicle width direction below an engine so as to protrude outward from the engine in a vehicle width direction from above when viewed from above. Two longitudinally extending portions extending rearward of the vehicle body from both ends of the laterally extending portion to form a frame, fixing the vehicle widthwise extending portion to a down tube of the vehicle body frame, and extending the longitudinally extending portion. A motorcycle characterized in that the rear end of the vehicle body is fixed to a rear arm bracket. 2. The motorcycle according to claim 1, wherein the down tube has a lowermost end in front of the crankcase of the engine, and the rear arm bracket has a lowermost end near the rear end of the crankcase of the engine. A motorcycle characterized in that a foot mounting member mounting bracket is supported on a lower end of a rear arm bracket. 3. The motorcycle according to claim 1, wherein a bracket on which the footrest member is mounted supports all of the operators disposed around a lower portion of the engine. .