The Honda RC Series was a series of motorcycles made by Honda starting in the late 1980s. The 2006 RC51 was the last of the series. They were all race-derived or actual racebikes. The series includes the following models: The examples and perspective in this article or section may not represent a worldwide view. ... For other uses, see Honda (disambiguation). ... Honda RC51 (RVT1000R) Honda VTR1000 SP2 The Honda RC51 motorcycle is a racing motorcycle powered by a one liter (999cc) liquid-cooled 90-degree V-twin engine. ...