They still sell these crappy engines
125cc Sanxing Dirt/pit/trail Bike Engine parts#65550 - eBay, Scooter Parts, Motorcycle Parts, Accessories, Cars, Bikes, Boats. (end time 26-Oct-09 17:05:29 AEDST)
They are gutless no power and very short range of gears,
6.1KW, feels more like 4kws
Forget...