| 摘要 |
PROBLEM TO BE SOLVED: To ensure efficient air bleeding and to reduce risk of liquid compression. SOLUTION: A control unit 7 mounted on a motorcycle comprising a fuel pump 2 for supplying fuel in a fuel tank 1 to a fuel pipe comprising a pipe 3 and a delivery pipe 4, and a plurality of injectors 5a to 5d for injecting the fuel supplied to the fuel pipe functions as an air bleeding control device comprising an air bleeding mode identifying part 71 for identifying an air bleeding mode when an ignition switch is set on for the first time after a battery connection, a fuel pump controlling part 72 for controlling driving and stopping of the fuel pump 2 in the air bleeding mode, and a fuel injection valve controlling part 73 for opening only the injector 5a in the extreme downstream position to the fuel pump 2 after driving of the fuel pump 2 in the air bleeding mode.
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