Suzuki Motor Corporation

Suzuki Kabushiki Kaisha

Tomoaki Onagi

Yoshisato Inayama

Takanori Chino

Kazutatsu Suzuki

Eiji Sasaki

Tatsuhiro Muramatsu

Toshihiro Hayashi

An exhaust control device for an engine performs exhaust control of an exhaust system composed of exhaust pipes connected to a plurality of cylinders respectively and gathering to a collecting pipe. The exhaust control device includes at least two kinds of exhaust valves that perform the exhaust control at different parts in the exhaust system; and a single actuator that drives the exhaust valves to open and close.

Exhaust control device for engine

An exhaust system for a motorcycle having an engine mounted on a front half of a body frame of the motorcycle includes a plurality of first exhaust pipes extending from exhaust ports of the engine, a collecting section at which the first exhaust pipes are collected, a second exhaust pipe including a substantially straight portion connected to a downstream side of the collecting section and disposed under a crankcase of the engine, an expansion chamber connected to a downstream side of the second exhaust pipe and located under a rear wheel suspension arranged behind the engine, an exhaust outlet disposed on a most downstream portion of the expansion chamber, and an exhaust throttle valve and an exhaust gas sensor disposed on the straight portion of the second exhaust pipe.

Exhaust system for motorcycle

Growing community of inventors

Hamamatsu, Japan

Tomoaki Onagi