| 摘要 |
An intake and exhaust manifold arrangement of a multiple-cylinder internal combustion engine, comprising an intake manifold including branch portions leading to the intake ports and mounting flange members securely connecting the branch portions to the cylinder head, an exhaust manifold including branch portions leading from the exhaust ports and mounting flange members securely connecting the branch portions to the cylinder head, the branch portions of the exhaust manifold including at least one branch portion adjacent one of the branch portions of the intake manifold, and mounting bolts including at least one common mounting bolt securing the adjacent two branch portions of the intake and exhaust manifolds to the cylinder head, the one bolt and the two flange members having clearances provided therebetween in directions parallel with the direction in which the engine power cylinders are arranged in series, the adjacent two flange members being spaced apart from each other in a direction parallel with the aforesaid directions and having provided therebetween at least one minimum clearance smaller than each of the above mentioned predetermined clearances.
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