Multi-cylinder engine for motorcycle

A multi-cylinder engine for a motorcycle, comprising:

• a cylinder block having a plurality of cylinder bores arranged in the width direction of a body frame;
• a cylinder bead connected to said cylinder block with combustion chambers formed between pistons slidably fitted in said cylinder bores and said cylinder head;
• a hydraulic valve resting mechanism capable of resting, in a specific operational region, at least one of a plurality of engine valves provided in said cylinder head, said engine valves being operatively provided for each of said combustion chambers;
• and
• a hydraulic control valve, mounted on said cylinder head, for controlling the hydraulic pressure of working oil supplied to said valve resting mechanism;
• said hydraulic control valve being mounted on a side surface of said cylinder head to which a plurality of intake ports individually corresponding to said combustion chambers are opened along the longitudinal direction of said body frame for selectively switching on/off the communication of hydraulic fluid to selective sides of said cylinder head, said hydraulic control valve being mounted on said side surface of said cylinder head at a position between two adjacent intake ports.