| 摘要 |
PROBLEM TO BE SOLVED: To uniformly cool a plurality of cylinder bore spaces without changing the shape of a cylinder block.SOLUTION: Opening parts 81a, 81a and 81a are formed at portions corresponding to cylinder bore spaces at the upper end part of a spacer body part 81. A projecting piece part 86 jutting outward is formed below the opening part 81a nearest to a cooling water introducing passage at the outer peripheral surface of the spacer body part 81, in other word, the opening part 81a at the front side of an engine, among the opening parts 81a, 81a, 81a at the exhaust side. The projecting piece part 86 limits inflow of the cooling water flowing through the downside thereof into the opening part 81a at the front side of the engine. |
