2012 KAWASAKI Ninja 650, b All-new Chassis, Bodywork, and Improved Power Delivery Make the Best Mid-sized Sportbike Even Better /b p They39re known as 34sweet spot34 motorcycles: streetbikes so balanced, user-friendly and all-around capable that they stand well above their two-wheeled counterparts, forging lasting reputations as exciting, practical and stylish machines. p There aren39t many such overachievers in today39s narrowly focused two-wheeled world. Since its debut back in 2006, the multi-talented Ninja 650R has been a bona fide member of this elite group, winning accolades from owners and media alike. But for 2012, the massively reworked Ninja 650 is better than ever.