| 摘要 |
The invention provides a fuel supply device, which is possible to prevent undesired water entered into a fuel path from remaining therein with a simple arrangement. A fuel supply pipe for supplying fuel to each of the fuel injection valves of an engine disposed with a plurality of cylinders in a vertical direction includes a fuel path in longitudinal direction, a smaller diameter portion formed perpendicular to the fuel path and continuous with a fuel injection valve mounting hole, and a cap attached to a lower end of the fuel path. The cap is arranged so that the upper end of its protruding portion is positioned at the same or nearly same level as that in height of the smaller diameter portion. Thus, the water entered in the fuel supply pipe is exhausted through the smaller diameter portion without delay.
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