| 摘要 |
An engine has a plurality of cylinders and the cylinders are divided into first and second cylinder groups so that the cylinders in each cylinder group do not fire one after another. An intake system for the engine has a plurality of discrete intake passages extending from the respective cylinders of the engine and merge into a junction chamber, a common intake passage which opens to the atmosphere at its upstream end and communicates with the junction chamber at its downstream end, a first communicating passage which is connected to the discrete intake passages for the first cylinder group at their intermediate portions and communicates them with each other, and a second communicating passage which is connected to the discrete intake passages for the second cylinder group at their intermeidate portions and communicates them with each other.
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