Replacement motor?

[TintR]

Hi,
I have just got myself an ATC 200S 1984 to fix up. I would like to change the (broken) motor for a motorcycle one with an electric starter if possible. Is there one which will drop right in? I dont mind changing the capacity (185/200/250)
Motorcycle motors are real cheap here in the UK but ATC ones are like gold dust!
Thanks,
Rich.

[bigredhead]

the only thing that comes to mind .. might be an XR 200 type tranny.. rear kick will be a problem and the sproket chain setup might not be right.. never heard of a direct bolt-in yet !!!!!..

[83185s]

o you will for sure have to fab up some stuff for any motorcycle engine..or dirtbike engine...id like to get me a 125 2 stroke and drop in my x to see what all the fuss is about with people doin it..lol..i wonder how uh "fast" it is..hehe

[New2ATC]

id say go with a crf320 and throw it in there.. elec start and can be somewhat powerful wiht little mods.