Motorcycle
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorKenji Nishida
Life of this patent
Estimating the term…
Abstract
A motorcycle includes a first gear provided on a crankshaft, a second gear provided on a second clutch member of a clutch that meshes with the first gear, a starter motor located above the crankcase and rearward of the cylinder body, and a link gear that links together the second gear and the starter motor. The starter motor is located above a transmission. The starter motor includes an overlapping portion that overlaps with the clutch, as the vehicle is seen from the side, and a front portion located forward of a center axis of a main shaft, as the vehicle is seen from the side.
Claims10
A motorcycle comprising:
- a crankcase;
- a crankshaft accommodated in the crankcase and extending in a vehicle width direction;
- a main shaft accommodated in the crankcase, extending in the vehicle width direction, and located rearward of the crankshaft;
- a clutch including a first clutch member that is supported on the main shaft, rotates together with the main shaft, and includes a plurality of drive plates, and a second clutch member that is supported on the main shaft, is rotatable relative to the main shaft, and includes a plurality of driven plates;
- a first gear provided on the crankshaft;
- a second gear provided on the second clutch member and that meshes with the first gear;
- a transmission including a plurality of transmission gears provided on the main shaft, diameters of the transmission gears being smaller than a diameter of either the first clutch member or the second clutch member, and a transmission ratio of the transmission is changeable from 1st to nth transmission ratios, where n is a natural number of 2 or more;
- a cylinder body attached to the crankcase and extending in an upward-rearward diagonal direction from the crankcase;
- a cylinder head attached to the cylinder body and including a rear wall with an exhaust pipe connection port;
- an exhaust pipe connected to the exhaust pipe connection port of the cylinder head, the exhaust pipe including an upstream portion extending in a downward-rearward diagonal direction;
- a starter motor located above the crankcase and rearward of the cylinder body;
- and
- a link gear that links together the second gear and the starter motor;
- wherein
- the starter motor is located above the transmission;
- and
- the starter motor includes an overlapping portion that overlaps with the clutch, as the vehicle is seen from a side, and a front portion located forward of a center axis of the main shaft, as the vehicle is seen from the side.
Dependencies are inferred from the claim text.