1.Less cost & its like a sporty bike loved it 2.Good pickup , average , and while riding on highways it feels like we are on horse 3.Classy looks engine performance is 100% & bike's performance is also very good Smooth shifting of gears 4. Servicing were done at start while it was bought after that not serviced in showroom & bike has less maintenance Good performance Keep it up @heromotocorp.
Tips for Hero Karizma ZMR 
Do not use harsh braking simultaneously
And ride the bike in the range of 60-70 or slow (depends on rider)
Use brakes but control the bike almost using gears it will give good mileage & good performance you may experience it.