Yamaha Hatsudoki Kabushiki Kaisha

Toshio Okamoto

Shidehiko Miyashiro

Kiyohiko Oguri

A body frame for a vehicle such as a motorcycle with a minimized number of parts. A main frame is connected to a head pipe and supports a rear arm to which a rear wheel is attached. A tank rail is connected to the head pipe at one end and to the main frame at the other end.

Body frame and vehicle

A vehicle having a sufficient length of exhaust pipe and a member disposed above a rear suspension that is not too high. An exhaust pipe is connected to a rearward side of an engine. A rear suspension absorbs shocks generated when a rear wheel moves up and down. A coil-form part of the exhaust pipe is located between the rear suspension and a tire house of the rear wheel, within which the rear wheel moves up and down.

Growing community of inventors

Shizuoka, Japan

Toshio Okamoto