The S4R Testastretta
Breathtaking Power and Sublime Handling
With the choice of S4R you step up to Testastretta performance and race worthy handling.
The S4R Testastretta uses an engine with world-winning Superbike power and technology and a Superbike-derived chassis featuring the lightweight Trellis frame to ensure an exhilarating marriage of power and handling.
The Engine
The liquid-cooled, 4-valve per cylinder, 998 Testastretta L-Twin engine delivers an incredible 130hp and arm-yanking torque, making every twist of the throttle exciting. This re-tuned engine taken from the 999 gives the S4R a breathtaking power delivery at any speed.
Increased ground clearance enables extreme lean angles and helps exploit the full capabilities of the S4R, a thoroughly modern bike created to fully experience the thrills of sports riding.