What do I have?

[Just4fun]

I just picked up a bike with a ACE100 motor with no s/n on the case. It has a steel cylinder with 2 intake studs. But it also has a single ringed piston. Doesn't seem stock. Any ideas on what I may have and how well it should run when I get it back together?

[thrownchain]

Pics would help. What's the chassis?

[viclioce]

I'm with Throwchain on this one. Can you take any pics and post them to this thread? And there is also the serial number ID chart on the Strictly Hodaka home page. That's how I identified I have a 1976 Model 03 rolling chassis with a Model 94 bottom end; serial numbers. Wish I could say the same for the carb, cylinder and head ID! ; D Victor