Redesign year. Suzuki GSX-R 750 (2006–2010), new frame and swingarm and motor. Stroke increased and transmission is now stacked. Rotors also went from 300 mm to 310 mm. Modifications compared to previous model include all new compact and lightweight 4-stroke, 4-cylinder, liquid-cooled engine designed for overall weight reduction, optimum combustion efficiency and power delivery Re-designed cylinder head with narrower valve angles creating a more compact combustion chamber design, higher 12.5:1 compression ratio, large intake and exhaust ports for improved intake and exhaust efficiency and high power output Valve bucket diameters are increased to work with more aggressive camshafts Lightweight titanium valves with steel alloy springs and aluminum spring retainers operated by thin-wall hollow camshafts to reduce weight and inertia.PP Tuning performance parts for Suzuki GSX-R 750 (2006–2010), rearsets, adjustable brake and clutch levers, clip-on handlebars, protectors etc. are produced from highly resistant materials. This ensures their longevity.