I have 5 years old cd dawn bike Km is around 15000 But it
I have 5 years old cd dawn bike. Km is around 15000. But it gives me still now in the city 40-42 km/lt. and in the highway it gives me 50-52 km/lt. I want to improve my bikes mileage. I want to in the city around 65 km/lt. and in the highway 75-80 km/lt. Please please give me advise how can i improve my bikes mileage? Please please . Its too much poor mileage from cd dawn bike.