Suzuki Motor Corporation

Nisshin Steel Co., Ltd.

Hiroaki Shichi

Yasuaki Yatagai

Hitoshi Matsumura

Manabu Oku

Kazunari Imakawa

Osamu Yamamoto

Yoshitomo Fujimura

Isamu Hayakawa

Yoshihide Naruse

A snowmobile four-cycle engine arrangement, includes: a four-cycle engine arranged in an engine compartment formed in the front body of a snowmobile with its crankshaft laid substantially parallel to the body width and having a cylinder case inclined forwards with respect to the vehicle's direction of travel. The engine employs a dry sump oil supplying system and an oil tank separate from the engine is provided. Another snowmobile four-cycle engine arrangement includes: a four-cycle engine having a cylinder head at its top, arranged in the engine compartment and inclined forwards with respect to the vehicle's direction of travel with an intake path provided on the upper portion of the engine body. An intercooler for cooling the intake air is arranged in a tunnel created inside the body frame for accommodating a track belt.

Snowmobile four-cycle engine arrangement

Growing community of inventors

Hamamatsu, Japan

Hiroaki Shichi