The engine displacement of Bajaj Discover 125 (2007-2015) is 124.6cc. It is equipped with a 4-stroke, single-cylinder, air-cooled engine, with a maximum power output of 11.8 PS at 8,000 rpm and a maximum torque output of 10.8 Nm at 6,000 rpm. This engine provides a good balance of power and torque, making it ideal for everyday use.