Suzuki Motor Corporation

Keisuke Ito

Ken Shibano

Yoshisato Inayama

Kei Hasegawa

Yuta Endo

One or more throttle bodies and a surge tank are disposed behind a cylinder head, and an intercooler is disposed by being adjacent to the surge tank at a position behind the cylinder head and the one or more throttle bodies. A supercharger is provided in front of the intercooler.

Motorcycle

A valve train device installed in a cylinder head of an engine and driven by a camshaft including a valve unit having an intake valve and an exhaust valve communicated with a combustion chamber of an engine, each of the intake valve and exhaust valve having a linearly extending stem portion and driven in an extending direction of the stem portion; a valve lifter disposed between one end side of the stem portion located apart from the combustion chamber and the camshaft to transmit power from the camshaft to the valve unit; a lost motion unit that interrupts power transmission from the valve lifter to the valve unit; a first spring urging the valve unit in a direction to close the intake valve or exhaust valve; and a second spring having a diameter lager than that of the first spring and urging the lost motion unit against the valve lifter.

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Hamamatsu, Japan

Keisuke Ito