Electrical machine and method for mounting an electrical machine

The object of the invention relates to an electrical machine (100), in particular a generator or a starter mechanism as a starter, for starting a combustion engine, comprising a connection assembly (200) for a force transmitting connection of two components of the connection assembly (200) having a bayonet locking (210) with an axial distance limitation (220) for preventing an unintentional unlocking of the bayonet locking (210), wherein said axial distance limitation (220) is formed as an adjustable stop that is adjustable at least in axial direction (A). Further the object of the invention relates to a method for mounting said electrical machine (100)