Falcorustyco concept model at the 1985 Tokyo Motor Show envisaged the motorcycle technologies that might be brought into play by 1995, including a 4-cycle square 4-cylinder 500 cc engine, frameless body, front-and-rear swingarm suspension, center hub hydraulic power steering, chainless hydraulic drive and pop-up screen cowling.[121][122][123] Nuda was a full-time two-wheel drive prototype, incorporating power steering and a swing seat, in a carbon fiber honeycomb monocoque body, shown at the 1986 Tokyo Motor Show.