Over the course of its history, it has had numerous modifications to its design. In 1975 it had a 999 cc (61.0 cu in) flat-four engine and in 2001 it had a 1,832 cc (111.8 cu in) flat-six. By 2012, the model had a fairing with heating and an adjustable windscreen, panniers (saddlebags) and a trunk, a seatback for pillion rider, satellite navigation and radio, a six-speaker audio system with MP3 and iPod connectivity, anti-lock braking, cruise control, electrically assisted reverse gear, and an optional airbag, none of which were present when it was introduced.
