The invention relates to an engine cooling system in a vehicle, which cooling system comprises a first coolant circuit (21) and a second coolant circuit (22) connecting the engine to a radiator (31). A thermostat (32) is arranged in the first coolant circu...

A motorcycle includes: an internal combustion engine 20 including a cylinder body 24 and a cylinder head 26; a water passage which is provided inside the internal combustion engine 20 and through which cooling water flows; a radiator 54 disposed forward of...

The powertrain has a transversal engine coupled to a transmission and provided with an engine block. A support foot (38) is fixed to the block and receives an end of a bent conduit of a turbocompressor. Water circulation conduits (42, 44) are connected to ...

A cylinder block for an internal combustion engine is formed with a knock sensor mounting boss formed on a block side wall, and designed to support an engine knock sensor. The cylinder block further includes a tubular rib projecting from the block side wal...

A cooling water passage structure of internal combustion engines is provided which can contribute to a scale-down of the external form of the engine and also can prevent deformation of the cylinder bores. The cooling water passage structure comprises a wat...

The present invention relates to such a water cooling device of a vertical multi-cylinder engine as mentioned below. The water cooling device of the vertical multi-cylinder engine comprises a cylinder block (1) one side wall of which is provided with a sid...

Deflecting ribs are provided within a coolant jacket formed in a cylinder head in such a manner as to protrude upwardly from bottom walls for directing the flow of coolant toward exhaust-valve-port side port wall portions. The deflecting ribs for deflectin...

An arrangement for supplying air or a coolant, comprises a thermoplastic component with a surface coating over part of its surface.