... is our 110cc 4 stroke engine 2.Tianzhong brand or lifan brand 3.Automatic Transmission w/Reverse 4.electric start 1 ... .This is our tianzhong 110cc 4 stroke engine, Automatic Transmission w/Reverse ... carburetor4.We also can supply many other brand engine,like lifan,zongshen,loncin,YX and so on ... can talk more. silver color motocycle 110cc 4 stroke engine