Engine unit of motorcycle
AssigneeSuzuki Motor Corporation
InventorKoichi Tanaka
Life of this patent
Estimating the term…
Abstract
A plurality of cylinders are disposed in parallel in a vehicle width direction, a clutch chamber is disposed in either one of the right and the left in the vehicle width direction, an intake manifold, a fuel injection device, a throttle body, and an intake pipe are disposed between a cylinder assembly and an air cleaner in an upper part of a crankcase assembly. The throttle body is disposed on an opposite side in the vehicle width direction of the clutch chamber.
Claims7
An engine unit of a motorcycle in which a plurality of cylinders are formed in parallel in a vehicle width direction and a cam chain chamber is formed on either on of sides in the vehicle width direction, the engine unit comprising:
- an air cleaner disposed above a main body of the engine unit and taking in and cleaning combustion air;
- one throttle body controlling a flow amount of the combustion air having been cleaned by said air cleaner;
- an intake pipe connecting said air cleaner and said throttle body in a manner that the combustion air is able to circulate;
- and
- an intake manifold distributing the combustion air whose flow amount is controlled by said one throttle body to the plurality of cylinders,
- wherein said one throttle body and said intake manifold are disposed above a crankcase assembly of the engine unit and behind a cylinder assembly of the engine unit, and
- wherein said throttle body is disposed in a position biased to a side on which the cam chain chamber is provided in terms of the vehicle width direction and in the rear diagonally downward of an intake port of the cylinder nearest to the cam chain chamber.
Dependencies are inferred from the claim text.