Holsten2012

I also own a Suzuki Burgman UH 125cc 2003. It's not going over 40 mph. I've put new fuel, new oil, new spark plug & ignition coil and also a new drivebelt. But still not getting above 40mph. Please someone or anyone help me. Before I put all those on, I put it in the garage for the same problem, but that's a different story. Yet it kinda references to this one