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Perhaps a bike that hasn’t gotten enough press after its debut at Intermot, the 2011 Suzuki GSX-R 600 managed to shed roughly 20 lbs from its supersport design, making Suzuki the 600cc class leader once again, at least on paper. Suzuki was the only Japanese manufacturer to update its Supersport line for the new year, and instead of a casual redesign (although the GSX-R 600 doesn’t stray far from its predecessor’s aesthetic), the Hamamatsu-based company made a number of technical changes that focused around massively lowering the bike’s sprung and un-sprung mass.

While the styling might remain a little vanilla, we sure do like that spec sheet coming from Suzuki. Tipping the scales at 413 lbs wet (shazzam!), the 2011 Suzuki GSX-R 600 makes the same 123hp at the crank as the previous model, but presumably with better components (note the Brembo monoblocs and Showa Big Piston forks). Continue past the jump to see Suzuki America’s Derek Schoeberle explain where Suzuki made improvements to the GSX-R 600.

Suzuki made a design departure in 2009 when it revamped its GSX-R1000, while leaving the GSX-R600 & GSX-R750 unchanged aesthetically. Finally bringing the two smaller middleweight gixxers in-line with the larger superbike, the 2011 Suzuki GSX-R600 & 2011 Suzuki GSX-R750 get not only a face lift for the new model year, but also a revised engine package that has ample weight trimmings. While the new Suzuki GSX-R600 & GSX-R750’s won’t make more power than the 2010 models, the revised motor and other components shed roughly 20lbs off both the 2011 Suzuki GSX-R600 (413lbs wet) & 2011 Suzuki GSX-R750 (416lbs wet).

Making the weight-loss program possible, Suzuki went in with its surgical knife and dropped weight in a variety of places, primarily focusing on the bikes’ four-cylinder motor. Losing 4lbs in the motor alone, Suzuki lightened the pistons by 14% and the connecting rods by 12%, while increasing the ventilation holes between the cylinders, helping reduce pumping losses and improve combustion efficiency. Relocating the ECU has saved .6lbs in weight from wiring, which is sort of crazy and impressive at the same time. The new exhaust system sheds 3lbs from the prior models’, while revised injectors increase fuel efficiency by 10% and meet the strict Euro III emission standards. More info and photos after the jump.