Before purchasing my current CBZ I had 2nd hand 2008 Model CBZ, which was doing pretty OK for me, then I moved from Bangalore to Hyderabad, so I sold my old bike & purchased a new CBZ in 2012.
Till now it has clocked 15K kilometres with no complaints. I am really amazed by the mileage I am getting with my new CBZ, constantly 55-57 in city & 58-62 on the highways.