A 599cc, 4-cyclinder engine with a race-proven oversquare bore/stroke ratio is engineered for an exceptional high-revving performance. Shot-peened conrods, chrome-nitride-coated upper compression and oil control rings, and pentagonal ventilation holes help ensure efficient performance. 4-into-1 stainless-steel exhaust system with a titanium muffler, carries a Suzuki Exhaust Tuning (SET) valve maximizing torque and improving throttle response, especially in the low-to-mid RPM range. Suzuki Drive Mode Selector (S-DMS) offers push-button selection of two racing-developed engine control maps to suit road conditions and personal tastes. Race-developed, lightweight Showa Big Piston front-Fork (BPF) delivers superb feedback and consistent performance. Single Showa rear shock features externally adjustable rebound and compression damping, along with adjustable ride height. Lightweight and compact twin-spar aluminum cradle frame made of five cast sections and cast swingarm. Electronically controlled steering damper provides lighter steering at lower speeds and more damping force on the racetrack and at highway speeds. Three-way adjustable footpegs, adjustable shift lever, and short fuel tank help compose a comfortable riding position.