JP6843734B2 - Motorcycle transmission - Google Patents

Description

The present invention relates to a motorcycle transmission equipped with an external clutch device.

For example, Patent Document 1 below discloses a motorcycle transmission provided with a so-called external clutch device in which the tip of the clutch lever arm of the clutch lever that intermittently operates the clutch extends outward in the vehicle width direction. However, Patent Document 1 below only shows the basic structure of the external clutch device, and does not show the clutch wire wiring support means or the like as a completed vehicle, and more preferable clutch wire wiring support means or the like is provided. It has been demanded.

Japanese Unexamined Patent Publication No. 2010-060106 (FIGS. 1 to 4)

In view of the above-mentioned prior art, the present invention can suppress the vehicle width direction dimension of the transmission, and even in the external clutch device, the position of the clutch wire can be moved inward in the vehicle width direction, and the vehicle width of the motorcycle can be suppressed. An object is to provide a transmission for a motorcycle that can be used.

The present invention has been made to solve the above problems.
In a motorcycle transmission having a clutch device, a clutch cover covering the clutch device, and a clutch lever rotatably supported by the clutch cover.
The clutch lever includes a rotation shaft oriented in the vertical direction and a clutch lever arm to which a base end portion is attached to the rotation shaft and the tip portion extends outward in the vehicle width direction, and the tip portion of the clutch lever arm. A clutch wire is coupled to the clutch wire, and the clutch wire is wider than the outer surface of the other cover member by a wire stay fixed to another cover member whose outer surface is located outside in the vehicle width direction. It is a motorcycle transmission characterized by being supported inside the direction.

According to the above configuration
The clutch lever can be arranged closer to the center of the vehicle than the internal pull clutch device in which the tip of the clutch lever arm extends inward in the vehicle width direction, the dimension of the transmission in the vehicle width direction can be suppressed, and the clutch wire can be used in the external clutch device as well. By supporting the clutch wire inward in the vehicle width direction from the outer surface of the other cover member, the position of the clutch wire can be moved inward in the vehicle width direction from the outer surface of the aircraft to protect the clutch wire and increase the vehicle width of the motorcycle. It can be suppressed.

In the above configuration
The tip of the clutch lever arm that has rotated most outward in the vehicle width direction and the wire grip portion of the wire stay may be arranged at the same position in the vehicle width direction.
According to its configuration
The clutch wire can be arranged with less deviation in the vehicle width direction, the tension of the clutch wire effectively acts on the clutch lever arm, and the clutch operation becomes smoother.

In the above configuration
The tip of the clutch lever arm and the wire grip of the wire stay may be arranged at the same position in the vehicle height direction.
According to its configuration
The clutch wire can be arranged with less deviation in the vehicle height direction, the rotation of the rotating shaft oriented in the vertical direction of the clutch lever becomes smooth, and the clutch operation becomes smoother.

In the above configuration
The clutch cover may be provided with a recess facing outward, and the clutch lever may be disposed in the recess.
According to its configuration
Since the clutch lever is attached to the recess of the clutch cover, the rotation shaft of the clutch lever and the base end of the clutch lever arm are protected.

In the above configuration
The wire stay may be fastened together with the same fastening bolt as the other cover member.
According to its configuration
The number of parts and assembly man-hours are reduced.

In the above configuration
The other cover member may be a crankshaft cover that covers the crankshaft oriented in the vehicle width direction from the outside in the axial direction.
According to its configuration
Since the crankshaft and the main shaft of the transmission in which the clutch device is provided are adjacent to each other, the wire stay fixed to the crankshaft cover can hold the clutch wire coupled to the clutch lever supported by the clutch cover at a short distance. It can be supported and unnecessary bending of the connection portion of the clutch wire to the clutch lever can be suppressed.

According to the motorcycle transmission of the present invention
The clutch lever can be arranged closer to the center of the vehicle than the internal pull clutch device in which the tip of the clutch lever arm extends inward in the vehicle width direction, the dimension of the transmission in the vehicle width direction can be suppressed, and the clutch wire can be used in the external clutch device as well. By supporting the clutch wire inward in the vehicle width direction from the outer surface of the other cover member, the position of the clutch wire can be moved inward in the vehicle width direction from the outer surface of the aircraft to protect the clutch wire and increase the vehicle width of the motorcycle. It can be suppressed.

It is a right side schematic diagram of the motorcycle provided with the transmission of the motorcycle which concerns on this embodiment. It is a partially enlarged view around the right side surface of the crankcase in FIG. It is a perspective view of the right side surface of the crankcase of FIG. 2 seen from a slightly diagonally upper rear view. The cross section of the power unit 3 shown by combining the cross section of the IVa-IVa arrow and the IVb-IVb arrow in FIG. 2 with the crankshaft positions aligned and the vehicle width direction (left-right direction) arrangement positions aligned. It is a development view. It is explanatory drawing which takes out and shows the rotation shaft of a clutch lever and the clutch lever arm. FIG. 5 is a cross-sectional view of a rotation shaft of a clutch lever as seen by arrow VI-VI in FIG.

A motorcycle transmission according to an embodiment of the present invention will be described with reference to FIGS. 1 to 6.
The orientations of the front, back, left, right, up and down, etc. within the scope of the description and claims shall follow the orientation of the vehicle with the power unit equipped with the transmission of the motorcycle according to the present embodiment mounted on the vehicle. To do. In this embodiment, the vehicle is a motorcycle.
In the figure, the arrow FR indicates the front of the vehicle, LH indicates the left side of the vehicle, RH indicates the right side of the vehicle, and UP indicates the upper part of the vehicle.

FIG. 1 shows an outline of the right side surface of the front upper part of the motorcycle 1 of the present embodiment.
The transmission 5 according to the present embodiment is a power unit 3 mounted on the motorcycle 1 and is provided integrally with the internal combustion engine 4 behind the internal combustion engine 4.

In the body frame 2 of the motorcycle 1, a pair of left and right main frames 21 branch left and right from the head pipe 20 that supports the front fork 12 that supports the front wheels 11 so as to be steerable. A steering handle 13 is provided at the upper end of the front fork 12.
The engine hanger portion 21a hangs downward from the front portion of the main frame 21, and the rear portion of the main frame 21 is bent so that the pivot frame portion 22 (see FIGS. 2 and 3) extends downward.
A swing arm (not shown) whose front end is pivotally supported by the pivot frame portion 22 extends rearward, and a rear wheel (not shown) is pivotally supported by the rear end of the swing arm.

A fuel tank 14 is erected at the front of the main frame 21, an intake system such as an air cleaner (not shown) is arranged at the bottom of the fuel tank 14, and a passenger seat (not shown) is the main behind the fuel tank 14. It is supported by a seat rail extending rearward from the frame 21. FIG. 1 illustrates a state in which the driver 10 on the boarding seat leans forward on the fuel tank 14 and operates the steering wheel 13.
A front brake lever (not shown) is provided on the right-hand side of the steering handle 13, and a clutch operation lever 15 for operating the clutch is provided on the left-hand side.

A power unit 3 is suspended from the body frame 2 between the engine hanger portion 21a of the main frame 21 and the pivot frame portion 22.
The internal combustion engine 4 that occupies the first half of the power unit 3 is an in-line 4-cylinder water-cooled 4-stroke cycle internal combustion engine in which the crankshaft 41 (see FIG. 4) is arranged in the vehicle width direction. It is mounted on the frame 2.
The crankshaft 41 of the internal combustion engine 4 is pivotally supported by the crankcase 30, and the crankcase 30 integrally includes a transmission 5 behind the crankshaft 41. Therefore, the crankcase 30 is also a power unit case.

The cylinder block 42, the cylinder head 43, and the cylinder head cover 44 of the internal combustion engine 4 are sequentially overlapped and fastened so as to be tilted diagonally upward from the front portion of the crankcase 30.
An intake system such as the above-mentioned air cleaner is connected to the rear side surface of the cylinder head 43.
Further, on the front side surface of the cylinder head 43, an exhaust pipe 46 extends for each cylinder, and each exhaust pipe 46 extends downward and bends rearward, extends the right side of the crankcase 30 rearward, and is connected to a muffler (not shown). Has been done.

FIG. 2 is a partially enlarged view of the periphery of the right side surface of the crankcase 40 in FIG.
Further, FIG. 4 is a combination of the cross section taken by the arrow view of IVa-IVa and the cross section taken by the arrow view of IVb-IVb in FIG. 2 by matching the crankshaft 41 positions and aligning the vehicle width direction (left-right direction) arrangement positions. It is sectional drawing of the power unit 3 shown by
As shown in FIG. 4, the journal portion 41a of the crankshaft 41 is pivotally supported by the crankcase 30, and the right shaft end portion 41b protruding from the crankcase 30 is fastened to the right side surface of the crankcase 30. It is covered with a crankcase cover (“crankshaft cover” in the present invention) 31.

The power unit 3 includes a transmission 5 integrally in the crankcase 30 in addition to the internal combustion engine 4, and the crankcase 30 behind the crankshaft 41 is parallel to the crankshaft 41 in the vehicle width direction (left-right direction). ), The main shaft 51 and the counter shaft 52 of the transmission 5 are arranged, the main shaft 51 is the left and right main shaft bearings 51a and 51a, and the counter shaft 52 is the left and right counter shaft bearings 52a and 52a. It is pivotally supported by the crankcase 30 via.
In FIG. 4, only the right side of the bearings 51a and 52a is shown, and the support wall of the crankcase 30 that supports the bearings 51a and 52a is not shown.

In the transmission 5, the drive transmission gear group 53 provided on the main shaft 51 and the driven transmission gear group 54 provided on the counter shaft 52 are constantly meshed with each other, and the gear pair for power transmission is switched. It is configured to be.
Further, a clutch device 55, which is a multi-plate friction clutch, is concentrically attached to the main shaft 51 protruding to the right from the crankcase 30 via the right main shaft bearing 51a.
Further, the clutch device 55 is closed by a clutch cover 32 fastened to the right side surface of the crankcase 30 so as to cover the outside of the clutch device 55.

The clutch device 55 is arranged on the rotational power transmission path from the crankshaft 41 to the main shaft 51 of the transmission 5, and the main shaft 51 of the transmission 5 is the primary drive gear 45 arranged on the crankshaft 41. Is configured to transmit the rotational power of the crankshaft 41 via the clutch device 55.
Then, the clutch device 55 does not transmit the rotational power of the crank shaft 41 to the main shaft 51 of the transmission 5 during the gear switching of the transmission 5 in response to the gear shifting operation of the driver 10, and the gear switching ends. At the same time, the rotational power is transmitted to the main shaft 51.

The clutch device 55 includes a bottomed cylindrical clutch outer 56 rotatably supported by the main shaft 51 of the transmission 5, and meshes with the primary drive gear 45 on the outside of the bottom (left side in the drawing) of the clutch outer 56. The primary driven gear 57 is installed. A primary reduction gear 45 is composed of a primary drive gear 45 having a relatively small diameter and a primary driven gear 57 having a diameter larger than that of the primary drive gear 45.
Therefore, the shaft core (clutch shaft core) of the clutch device 55 coincides with the shaft core of the main shaft 51.

Inside the clutch outer 56, a bottomed cylindrical clutch inner 59 that is spline-fitted to the main shaft 51 and fixed with a nut 58 is arranged. A plurality of clutch discs 62 are supported on the outer peripheral side of the peripheral wall portion 59a of the clutch inner 59 so as not to be mutually rotatable and slidable in the direction of the clutch axis.
Further, on the inner peripheral side of the peripheral wall portion 56a of the clutch outer 56, a plurality of friction discs 61 are supported so as not to be mutually rotatable and slidable in the direction of the clutch shaft core, and the clutch disc 62 and the clutch shaft core direction are alternately supported. It is piled up.

A pressure plate 65 is provided in contact with the friction disc 62 located on the outermost side (right side in the drawing) of the friction disc 61 and the clutch disc 62, and cooperates with the pressure receiving portion 59b of the clutch inner 59. It sandwiches the friction disc 61 and the clutch disc 62.

A plurality of protrusions 63 (only one is shown in FIG. 4) are formed on the annular flat plate portion 59c of the clutch inner 59 toward the pressure plate 65 side, and a screw hole 63a is formed at the center of the tip of the protrusion 63. Is provided.
On the other hand, the pressure plate 65 is provided with a plurality of deep hole portions 66 (only one is shown in FIG. 4) recessed toward the annular flat plate portion 59c side of the clutch inner 59, and the bottom portion of the deep hole portion 66 is provided. The 66a is provided with a through hole 66b.

The protruding portion 63 is inserted into the through hole 66b of the deep hole portion 66 of the pressure plate 65 and protrudes into the deep hole portion 66. A clutch spring (coil spring) is located between the washer 68 fixed by the bolt 67 screwed into the screw hole 63a of the protrusion 63 and the seat surface 66c formed at the bottom 66a of the deep hole 66 of the pressure plate 65. ) 69 will be reduced.

Since the pressure plate 65 is pressed inward (left side in the figure) by the clutch spring 69, the friction disc 61 and the clutch disc 62 are pushed toward the pressure receiving portion 59b of the clutch inner 59 so that the clutch device 55 is connected. Always urged to.
Due to the pressing force of the pressure plate 65, the friction disc 61 and the clutch disc 62 are frictionally engaged with each other, the rotational force of the clutch outer 56 is transmitted to the clutch inner 59, and the main shaft 51 is integrated according to the rotation of the clutch inner 59. Rotate.

The pressure plate 65 is rotatably supported via a bearing 75 on the flange portion 70a of the lifter rod 70 slidably fitted on the right end side of the hollow portion 51b formed in the main shaft 51.
The bearing 75 also supports an axial thrust load between the lifter rod 70 and the pressure plate 65.
The lifter rod 70 extends to the right from the flange portion 70a, and the small-diameter constricted portion 70d formed on the left side forming the tip portion 70b and the step portion 70c protrudes from the inner surface of the clutch cover 32 to form a cylindrical portion 32a. It is inserted inside.

As shown in FIG. 3, the clutch cover 32 has a recess 32b whose outer surface is dented above the cylindrical portion 32a formed on the inner surface, and the lower edge of the recess 32b has a substantially horizontal base portion 33. Is forming.
A clutch lever 8 for engaging and disengaging the clutch device 5 is provided inside the base portion 33, and the rotation shaft 81 of the clutch lever 8 is oriented in the vertical direction and can rotate orthogonally to the lifter rod 70. Is supported by.
As shown in FIG. 4, a cam portion 85 (see FIGS. 5 and 6) formed on the rotation shaft 81 of the clutch lever 8 engages with the step portion 70c of the lifter rod 70.

FIG. 5 is an explanatory view showing the rotation shaft 81 of the clutch lever 8 and the clutch lever arm 82 taken out.
As shown in FIG. 5, the clutch lever 8 is pivotally supported by the clutch cover 32 and is aligned with the upper end portion 81a of the rotating shaft 81 in the vertical direction, and the base end of the clutch lever arm 82 orthogonal to the rotating shaft 81. A locking portion 84a of a return spring 84 (see FIG. 4) for fitting the portion 82a and returning the rotating shaft 81 to the side when the clutch lever arm 82 is not operated is provided at the lower end portion 81b.
In the middle, a small notch 86 through which the small diameter constriction 70d of the orthogonal lifter rod 70 (see FIG. 4) can be inserted and an important notch 87 through which the tip 70b can be inserted are located in VI-in FIG. As shown in FIG. 6, which is a cross-sectional view of the rotation shaft 81 viewed from the VI arrow, the notch step portions 88 are provided side by side with the same notch depth, and the small notch portion 86 and the important notch portion 87 are provided side by side. The tip in the circumferential direction constitutes the cam portion 85.

Therefore, with reference to FIG. 4, when the rotation shaft 81 rotates in the counterclockwise rotation direction (X direction) shown in the drawing, the small notch portion 86 is evaded so as to sandwich the constricted portion 70d of the lifter rod 70 and pass through the cam. The portion 85 presses against the step portion 70c with the tip portion 70b of the lifter rod 70, and moves the lifter rod 70 to the right against the urging force of the clutch spring 69 applied via the pressure plate 65. In FIG. 4, the rotation shaft 81 is shown by a solid line for emphasis in illustration, and the step portion 70c and the tip portion 70b of the lifter rod 70 at that time are shown by a two-dot chain line.

When the rotating shaft 81 rotates in the clockwise rotation direction (Y direction) shown, the small notch 86 returns to a position where it is separated from the constricted portion 70d of the lifter rod 70, and the lifter rod 70 is joined via the pressure plate 65 as a clutch spring. Return to the left by 69 forces. At that time, since the important notch 87 of the rotating shaft 81 corresponds to the tip portion 70b of the lifter rod 70, the rotation shaft 81 and the lifter rod 70 are configured so as not to interfere with each other.

FIG. 3 is a perspective view of the periphery of the right side surface of the crankcase 30 of FIG. 2 as viewed from slightly diagonally above and behind.
As shown in FIG. 3, the rotating shaft 81 of the clutch lever 8 projects an upper end portion 81a outward from the base 33 of the clutch cover 32, and the upper end portion 81a is a clutch lever orthogonal to the rotating shaft 81. The base end portion 82a of the arm 82 is fitted.
A wire fastener 83 is attached to the swinging tip 82b of the clutch lever arm 82, and the end of the clutch wire 91 is coupled.

The clutch wire 91 is fixed to the rear upper portion of the right crankcase cover 31 in the present embodiment, that is, another cover member whose outer surface is located outside in the vehicle width direction from the tip end portion 82b of the clutch lever arm 82. The inside of the wire tube 92 supported by the wire grip portion 95a bent inward in the vehicle width direction of the wire stay 95 is inserted and extends forward. Therefore, the wire stay 95 supports the wire tube 92 inside in the vehicle width direction from the outer surface of the right crankcase cover 31.
The "other cover member" whose outer surface is located outside the clutch cover 32 in the vehicle width direction may be an ACG cover or the like.

As shown in FIG. 3, the wire stay 95 is attached to the right crankcase cover 31 with one fastening bolt 95b and one detent 95c. The fastening bolt 95b cranks the wire stay 95 together with the right crankcase cover 31. It is a co-tightening bolt to be attached to the case 30.
As shown in FIG. 1, the wire tube 92 is arranged along the right side surface of the vehicle, turns in front of the steering handle 13, and is connected to the clutch operating lever 15 provided on the left hand side of the steering handle 13. doing.

Therefore, when the clutch wire 91 in the wire tube 92 is pulled by the operation of the clutch operating lever 15 of the driver 10, the clutch lever arm 82 of the clutch lever 8 is pulled and swings, and the rotating shaft 81 is moved to FIG. , Fig. 6 Rotates in the counterclockwise rotation direction (X direction) shown in FIG. 6, and the cam portion 85 of the rotation shaft 81 pushes the step portion 70c of the tip portion 70b of the lifter rod 70 to move the lifter rod 70 to the right in the axial direction. The lifter rod 70 also moves the pressure plate 65 via the bearing 75.
When the pressure plate 65 moves to the right in the axial direction against the urging force of the clutch spring 69, the pressure between the friction disc 61 and the clutch disc 62 is released, a gap is formed between the two, and the clutch device 55 It will be in a detached state.

When the driver 10 stops the operation of the clutch operating lever 15, the return spring 84 of the clutch lever 8 causes the rotating shaft 81 to rotate in the clockwise rotation direction (Y direction) shown in FIGS. 5 and 6, and the cam portion 85. Since the pressing is released, the pressure plate 65 moves in the opposite direction by the urging force of the clutch spring 69, presses between the friction disc 61 and the clutch disc 62, and the clutch device 55 returns to the connected state.

In FIG. 1, which is a right side view of the vehicle body, the right side cover 18 that covers the central portion of the vehicle body from the side is not shown, and the clutch operating lever 15 provided on the left hand side of the steering handle 13 is used. The wire tube 92 that turns to the right side of the vehicle is supported at key points up to the wire stay 95 attached to the right crankcase cover 31, and is covered and protected by the right side cover 18.

In the case of an internal pull clutch device in which the tip of the clutch lever arm extends inward in the vehicle width direction, the rotation axis of the clutch lever must be provided on the outside in the vehicle width direction in order to secure the operating range of the clutch lever arm. Is configured as an external clutch device in which the tip end portion 82b of the clutch lever arm 82 extends outward in the vehicle width direction, so that the rotation shaft 82 of the clutch lever 8 can be arranged closer to the vehicle center and in the vehicle width direction of the transmission 5. The dimensions could be suppressed.
Further, also in the external clutch device, the clutch wire 91 is supported by the wire stay 95 inside the outer surface of the right crankcase cover 31 in the vehicle width direction, so that the position of the clutch wire 91 is positioned on the outer surface of the body of the motorcycle 1. It can be moved inward in the vehicle width direction, the clutch wire 91 can be protected, and the vehicle width of the motorcycle 1 can be suppressed.
It has become a thing.

As shown in FIG. 4, in the present embodiment, the tip end portion 82b of the clutch lever arm 82 is arranged outside the rotation shaft 81 in the vehicle width direction, and the clutch lever arm rotated most outward in the vehicle width direction. Since the tip portion 82b of the 82 and the wire grip portion 95a of the wire stay 95 are arranged at substantially the same position in the vehicle width direction, the clutch wire 91 can be routed with less deviation in the vehicle width direction, and the clutch wire 91 can be arranged. The tension of the clutch effectively acts on the clutch lever arm 82, and the clutch operation becomes smoother.

Further, as shown in FIG. 2, the tip end portion 82b of the clutch lever arm 82 and the wire grip portion 95a of the wire stay 95 are arranged at substantially the same positions in the vehicle height direction, and the clutch wire 91 is displaced in the vehicle height direction. The number of lines can be reduced, and the rotation of the rotating shaft 81 oriented in the vertical direction of the clutch lever 8 becomes smooth, and the clutch operation becomes smoother.

As shown in FIG. 3, the clutch cover 32 is provided with a recess 32b facing outward, and the clutch lever 8 is disposed in the recess. Therefore, the rotating shaft 81 of the clutch lever 8 and the base end portion of the clutch lever arm 82 are provided. 82a is protected,
Further, since the wire stay 95 is fastened together with the crankcase 30 with the same fastening bolt 95b as the right crankcase cover 31, the number of parts and the assembly man-hours are reduced.

Further, since the right crankcase cover 31 to which the wire stay 95 is attached is a crankshaft cover that covers the crankshaft 41 oriented in the vehicle width direction from the outside in the axial direction, the crankshaft 41 and the clutch device 55 are provided. Since it is adjacent to the main shaft 51 of the transmission 5, the wire stay 95 fixed to the right crankcase cover 31 connects the clutch wire 91 coupled to the clutch lever 8 supported by the clutch cover 32 at a short distance. It can support and suppress unnecessary bending and vibration of the connection portion of the clutch wire 91 to the clutch lever 8.

Although one embodiment of the present invention has been described above, the present invention is not limited to the above-described embodiment, and various design changes can be made without departing from the gist thereof, and the scope of the gist of the present invention. It goes without saying that motorcycles, internal combustion engines, transmissions, etc. include those implemented in various modes.
For convenience of explanation, the left-right arrangement of the illustrated embodiment has been described, but even if the left-right arrangement is different, it is included in the present invention as long as it is within the scope of the gist of the invention.

1 ... Motorcycle, 2 ... Body frame, 3 ... Power unit, 4 ... Internal engine, 5 ... Transmission, 8 ... Clutch lever, 13 ... Steering handle, 15 ... Clutch operating lever, 30 ... Crank case, 31 ... Right crank Case cover (“crank shaft cover”, “other cover member” in the present invention), 32… clutch cover, 32a… cylindrical part, 32b… concave part, 33… base part, 41… crank shaft, 45… primary drive gear, 51 ... Main shaft, 51b ... Hollow part, 52 ... Counter shaft, 55 ... Clutch device, 56 ... Clutch outer, 57 ... Primary driven gear, 59 ... Clutch inner, 59b ... Pressure receiving part, 61 ... Friction disc, 62 ... Clutch disc, 65 ... Pressure plate, 69 ... Clutch spring (coil spring), 70 ... Lifter rod, 70a ... Flange part, 70b ... Tip part, 70c ... Step part, 70d ... Constriction part, 75 ... Bearing, 81 ... Rotating shaft, 81a ... Upper end, 81b ... Lower end, 82 ... Clutch lever arm, 82a ... Base end, 82b ... Tip, 83 ... Wire fastener, 84 ... Return spring, 84a ... Locking part, 85 ... Cam part, 86 ... Small Notch, 87 ... Important notch, 88 ... Notch step, 91 ... Clutch wire, 92 ... Wire tube, 95 ... Wire stay, 95a ... Wire grip, 95b ... Fastening bolt, 95c ... Anti-rotation

Claims (7)

A motorcycle (1) having a clutch device (55), a clutch cover (32) covering the clutch device (55), and a clutch lever (8) rotatably supported by the clutch cover (32). In the transmission (5)
The main shaft (51) of the transmission (5) is arranged so as to be oriented in the vehicle width direction, and the clutch device (55) is concentrically attached to the main shaft (51).
The clutch lever (8) has a rotation shaft (81) oriented in the vertical direction, a base end portion (82a) attached to the rotation shaft (81), and a tip portion (82b) outward in the vehicle width direction. Equipped with an extendable clutch lever arm (82)
A clutch wire (91) is coupled to the tip (82b) of the clutch lever arm (82).
The clutch wire (91) is outside the other cover member (31) by a wire stay (95) fixed to another cover member whose outer surface is located outside in the vehicle width direction from the clutch cover (32). A motorcycle transmission characterized by being supported inside in the vehicle width direction from the side. A motorcycle (1) having a clutch device (55), a clutch cover (32) covering the clutch device (55), and a clutch lever (8) rotatably supported by the clutch cover (32). In the transmission (5)
The clutch lever (8) has a rotation shaft (81) oriented in the vertical direction, a base end portion (82a) attached to the rotation shaft (81), and a tip portion (82b) outward in the vehicle width direction. Equipped with an extendable clutch lever arm (82)
A clutch wire (91) is coupled to the tip (82b) of the clutch lever arm (82).
The clutch wire (91) is outside the other cover member (31) by a wire stay (95) fixed to another cover member whose outer surface is located outside in the vehicle width direction from the clutch cover (32). Supported from the side inside in the vehicle width direction,
The tip portion (82b) of the clutch lever arm (82) that has rotated most outward in the vehicle width direction and the wire grip portion (95a) of the wire stay (95) are arranged at the same position in the vehicle width direction. transmission of automatic motorcycle you characterized. A motorcycle (1) having a clutch device (55), a clutch cover (32) covering the clutch device (55), and a clutch lever (8) rotatably supported by the clutch cover (32). In the transmission (5)
The clutch lever (8) has a rotation shaft (81) oriented in the vertical direction, a base end portion (82a) attached to the rotation shaft (81), and a tip portion (82b) outward in the vehicle width direction. Equipped with an extendable clutch lever arm (82)
A clutch wire (91) is coupled to the tip (82b) of the clutch lever arm (82).
The clutch wire (91) is outside the other cover member (31) by a wire stay (95) fixed to another cover member whose outer surface is located outside in the vehicle width direction from the clutch cover (32). Supported from the side inside in the vehicle width direction,
A motorcycle transmission characterized in that the clutch cover (32) is provided with a recess (32b) facing outward, and the clutch lever (8) is disposed in the recess (32b). The motorcycle according to claim 2, wherein the clutch cover (32) is provided with a recess (32b) facing outward, and the clutch lever (8) is disposed in the recess (32b). transmission. It said tip portion (82b) and the wire wire gripping portion of the stay (95) (95a) is the preceding claims, characterized in that arranged at the same position in the vehicle height direction of the clutch lever arm (82) The motorcycle transmission according to any one of 4. The motorcycle according to any one of claims 1 to 5 , wherein the wire stay (95) is fastened together with the same fastening bolt (95b) as the other cover member (31). Transmission. The other cover member (31) is a crankshaft cover (31) that covers a crankshaft (41) oriented in the vehicle width direction from the outside in the axial direction, according to claims 1 to 6 . The motorcycle transmission according to any one of the items.

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