What about maintenance cost and fuel efficiency? How much mileage I can expect? And I'm 5'5 inch height of person goes trip 3months once so will that suits me?

What about maintenance cost and fuel efficiency?? How much mileage I can expect? And I’m 5’5 inch height of person goes trip 3months once so will that suits me ?

Question asked from: http://www.carandbike.com/royal-enfield-bikes/himalayan