Not specifically.

You will need to determine the thread size and pitch on the part of the crank that the flywheel retaining nut is threaded onto. If you get real lucky it will be like a Ryobi short shaft.

http://wackerengines.com/Ryobi.htm

http://indianatinygasengines.com/page008.aspx

There was another outfit that did echo SB-1080 (50cc) hubs but I cant find them right now.