I have this bike since 2009 and till now I have not spend a single rupee in maintenance apart from servicing and oil expenses. I drive this appx 45000 kilometers and till now its engine and performance is as great as a new bike. I love this bike. Thanks to Yamaha for manufacturing this great bike. This is the best bike in 125CC category.super bike. very comfortable . and look is sporty look. mileage avg 50-55.very very nice bike.