Suzuki GSX-R750 K4-K5 (GSXR 750) ManufacturerSuzukiPrice£7649Available from2004 The bike that started off the whole GSX-R range way back when in 1985 is still just as mad and just as bad today as it was then, and the latest generation is, frankly, bloody brillianttop speedpartswikihorsepowerturboaccessoriestyresservicing