Hi guys if you are looking for a second hand bike then you have to visit a bike showroom first. Then choose your model if desire of second hand bike. Talk to mechanics and take advise from him which should be the perfect bike for your money range.Then check bike engine sound turn on accelerator full after start the bike. once its confirm the engine sound is clear then check bike physical condition. take test drive then buy if once its certify from you not by an expert check yourself. I bought bike buy doing this so please like if this helpful to you.