4 stroke engine kit

Hello there, I just ordered a bicycle after having my 49cc Chinagirl for quite some time. I have put many, many miles on my 2 stroke. Before the 2 stroke, I had an older 4G T belt kit that I experienced issues with the bearing on the transmission. With that being said, I am looking at...

I have a 4 stroke engine kit that I put on a 27" huffy beach cruiser I got the engine kit from bikeberry.com My bike will crank with no problem and I can drive for a while but all of a sudden the chain keeps jamming makes the back wheel completely stop what should I do?? Anybody?? I'm new to the...

I'm completely new to motor-bicycling. I thought it would be a good idea, so I purchased a 49cc 4 stroke t-belt hua sheng engine and mounting kit. Now that it's here I don't know where to begin. Although I'm not sure, but I think it may be missing some parts. I don't know where to begin or how...