| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a draining structure of an internal combustion engine capable of discharging a liquid from a hollow portion of a cover member to prevent formation of water pool around an injector and an ignition plug, even in an internal combustion engine where a cylinder axis is not inclined to a vertical direction.SOLUTION: A vertical wall portion 20, which is extended along an extending direction of an intake cam shaft and an exhaust cam shaft from an inner wall 5a of a cylinder head 5 between the intake cam shaft and the exhaust cam shaft, is formed on the cylinder head 5 of an engine 3, a boss portion 21, which has a communication hole 21a communicated to an opening hole 6b, is formed on a prescribed position in the extending direction of the vertical wall portion 20, a discharge passage 25 is formed between an injector 22 and the opening hole 6b and the communication hole 21a, and the vertical wall portion 20 has a discharge passage 26 communicated with the discharge passage 25, extended from the communication hole 21a toward an outer wall 5b of the cylinder head 5, and opened on the outer wall 5b.</p> |
