I buy and fix atvs, specifically Chinese knockoffs. A lady I sold 2 110's to told me about this atv she had and couldn't find any info on it.I researched it for her and found out what it was. She dropped it off today for me to take a look at the rear frame. At some point it was broken and re-welded very poorly and it cause the shaft drive to bind up.
anyone ever seen one of these before?
Kayok 250. Runs quiet with the volga setup.

 

Its very similar to my Jetmoto 250 hunter..

 

yeah,i looked that up but this Volga engine isn't like the jet moto..no pull start and unless that jetmoto is running a dual carb setup,they aren't even close in the mechanics. this weird little thing even has a hand brake lever on the passenger side.
its so different from the Chinese atvs I have here

 

I just went and looked Ive got a Jetmoto Desert Storm 250ATV. Its a 250cc twin.. dual carbs. The rear end on it looks just like yours but mine is chain driven, no shaft. This one is a 5 speed with reverse, manual clutch. (the reverse is in the rear end)