......DE....FRGB................................................................RThis application was filed on 28 - 08 - 1997 as a divisional application to the application mentioned under INID code 62.0811756EUROPEAN PATENT APPLICATIONA319980318EP97114938.019941028enenen294118/93 19931029JP19980318199812199712101997506 6F 01P 5/10 A 6F 02B 67/06 B 6F 01P 11/04 B 6F 02F 7/00 BdeViertakt-BrennkraftmaschineenFour-cycle enginefrMoteur à combustion interne à quatre-temps894117108.4065114119941028YAMAHA HATSUDOKI KABUSHIKI KAISHA00299991EP 10646 I-01362500 ShingaiIwata-shi Shizuoka-ken, 438JPSaito, Tetushic/o 2500 ShingaiIwata-shi, Shizuoka-ken, 438JPGrünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät00100721Maximilianstrasse 5880538 MünchenDEDEFRGB19980318199812

The present invention relates to a four-cycle engine, specifically to a cooling arrangement thereof, said engine comprising a cylinder block and a cylinder head, a chain drive means for driving at least one camshaft from a primary drive shaft and a chain cover extending along a side of the engine wherein in said chain cover forms part of a case for the water pump which, therefore, can be integrated smoothly into the engine allowing to drive the water pump in common to the other auxiliary equipment and to avoid hoses or the like for cooling other components of the engine.