| 摘要 |
The invention relates to a water-cooled motorcycle engine comprising a main engine crankcase having a vertical joint face (4), including a water pump of which the rotor (10) is driven by the distribution shaft, characterised in that one of the crankcase-halves (2) includes a protuberance (8) defining a hollow volume (9) forming the pump body and opening onto the joint face (4) of the two crankcases. Said pump body is closed by a cover (17) comprising an inlet channel (23) for the cooling liquid, placed on top of the engine, said cover (17) also having a configuration opening into a cooling liquid outlet. |
