US 2013/0075182 A1Published application

Rear portion structure of saddle-type vehicle

AssigneeHonda Motor Co., Ltd.

InventorsAkimi Watanabe, Yotaro Mori, Naoki Kuwabara, Toshitaka Akita, Seiji Anzai, Yusuke Inoue

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Abstract

To provide a rear portion structure of a saddle-type vehicle, which enables securement of a space for arranging vehicle-mounted components on the upper side of a drive chain at a position apart from a pivot shaft. A motorcycle includes a rear wheel swingably provided on a main member via a swing arm, a drive chain entrained about a driven sprocket provided on the rear wheel and a drive sprocket, and a seat frame. An air-exhaust pipe extends from an engine on a lower portion of the seat frame, an extending portion extends rearward of the vehicle from the seat frame, and a chain guide roller is mounted on the extending portion.

Claims18

Dependent claims

A rear portion structure of a saddle-type vehicle, comprising:

a swing arm swingably supported at one end thereof by a main frame and rotatably supporting a rear wheel at the other end thereof;
a drive chain entrained about a drive sprocket provided on an engine and a driven sprocket provided on the rear wheel;
a seat frame mounted on the main frame and supporting a seat, the seat allowing an occupant to sit thereon;
an air-exhaust pipe extending from the engine and provided on a lower side of the seat frame;
an extending portion of the seat frame, said extending portion extending rearward of the vehicle from the seat frame to the lower side of the air-exhaust pipe;
and
a chain guide roller configured to guide the drive chain, said chain guide roller being mounted on the extending portion,
wherein the chain guide roller is arranged on an upper side of the drive chain and on a lower side of the air-exhaust pipe.

5 more elements

Dependencies are inferred from the claim text.