The Aprilia RS 660 is a new kind of comfortable ... Aprilia have managed to squeeze two chunky exhaust headers, a cat packed Euro5 collector box and silencer neatly under the engine for optimum ...
In keeping with Aprilia's tradition of featuring up-spec RS models, debuting alongside the ... as well as a SC-Project ...
The Tuono 660 shares a powerplant with Aprilia’s RS sport bike ... a quick tail tidy and an upgraded exhaust setup. Yet personally, I still prefer the RS 660 sport bike, which feels more compact ...