Re: Which Kit To Choose?
I would get a 66cc inframe 2-stroke and you should try out the 44t sprocket that comes stock and if you need more to get up hills get a 50t sprocket, but your top speed will be less. Shiftkits are available to use your bikes gears with the engine.
There are also 4-stroke engine options.
They can takes lots of use if installed propperly and maintained and some riders have ridden many many miles away.