BOAT PROPULSION DEVICE

摘要

In a boat propulsion device, a head portion of an engine includes plug holes, first attachment portions, and a second attachment portion. The plug holes are aligned vertically and parallel or substantially parallel to a crankshaft. The first attachment portions are arranged on the periphery of the plurality of plug holes. The first attachment portions are configured to attach a plurality of ignition coils which are respectively integrated with spark plugs in a coil-on-plug configuration. A second attachment portion is provided separately from the first attachment portions. The second attachment portion is configured to attach an ignition coil connected to the spark plugs in a double ended ignition coil configuration via cables.

主权项

1. A boat propulsion device comprising:
an engine including a crankshaft extending in a vertical direction and ahead portion arranged horizontally adjacent to the crankshaft; a drive shaft extending in the vertical direction and connected to the crankshaft; and a propeller shaft extending in a horizontal direction and connected to the drive shaft; wherein the head portion includes:
a plurality of plug holes aligned in the vertical direction and arranged parallel or substantially parallel to the crankshaft;a plurality of first attachment portions arranged about a periphery of the plurality of plug holes, the plurality of first attachment portions configured to attach a plurality of integrated coils integrated with a plurality of spark plugs in a coil-on-plug configuration; anda second attachment portion provided separately from the plurality of first attachment portions, the second attachment portion configured to attach a separated coil connected via a plurality of cables to a plurality of spark plugs in a double ended ignition coil configuration.