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Keystone condition: good engine displacement (CC): 212 fuel: gas transmission: automatic Up for sale is a rare and vintage Keystone mini bike. I bought this bike in rough condition and gave it a full restoration. It is now mated with a fresh Predator 212cc that has less than 20 hours of...

Hi everyone, I'm sure this isn't the first time this has been discussed but I am new to the Forum/mini bike scene so here goes nothing. I recently picked up a rolling Keystone chassis and it's pretty much all intact. As I go through the restoration of this bike I plan on getting it back to...

Hi y'all In my quest for a project build mini bike I stumbled upon this site and was enlightened that other people find these things as cool as I do. Anyhow, I am looking for a frame to start with or possibly a rolling chassis for a project I would like to build while at school. If you or...