Honda CB Unicorn 150 Specification. Honda CB Unicorn 150 has the 149.1 cc, SI, 4-stroke, air cooled, single cylinder engine and its produce the maximum power of 13.14 Bhp @ 8500 rpm and 12.84 Nm @ 5500 rpm of maximum torque with the top speed of 101 kmph.The Honda CB Unicorn is an excutive commuter motorcycle. . The CB Unicorn rides on 18-inch wheels. The front wheel gets a 240mm disc brake while the rear wheel gets a 130mm drum un