What is the correct mileage Bajaj Pulsar 180? What is the correct top speed?

Bajaj Pulsar 180 can easily touch 100 kmph but starts feeling dead at around 108 kmph. When revved very hard on a straight road, it can touch around 120 kmph but finds very hard to retain it's position. The engine on the bike is a 178.6 cc, 1-cylinder motor producing 16.8 Bhp and 14.22 Nm of torque. The 4-stroke DTS-i engine comes mated to a 5-speed gearbox and Pulsar 180 DTS-i costs INR 74,972.