Outboard motor

An outboard motor includes an engine and a casing. The engine includes a cylinder unit, a head cover and an ignition coil device. The cylinder unit is made of metal. The head cover is made of resin and is attached to the cylinder unit. The ignition coil device is attached to the head cover. The casing is made of resin and covers the engine. The coil ignition device includes a radiated noise reducer portion. The radiated noise reducer portion is configured to reduce noise to be radiated from the ignition coil device.