I have been using Yamaha FZ-S since last 1 year and I am great experience with it.Riding with it is a great fun it has a Mileage of around 45-50 kmpl it has air cooled 4stroke 2 valve engine it has maximum speed of 112 kmph it has 12 litre fuel capacity.You can drive it to far far places with no issues it contains disk brakes which have helped me a lot while riding inbad weathery condition.at last it is great bike and experiencing with it is great don’t think just go for it.