As it looks like this thread might be coming to an end, I would like to point out a few things, this is not for you veteran racers that know it all, it might help a few that read this thread and get confused as to how the tech process works.
First it is not up to the techs, or the SCTA to classify the bike or car. When in tech, you are basically being checked for safety, the check off sheet helps with this process. It does have a check off for, is the class designation and entry number displayed properly? If the tech sees' something that is obvious out of class, he tells the team that if they make it to impound that could be a problem. They do not run to a book that gives reference to every motorcycle engine ever made.
On tech day, when you are looking down a line as far as you can see of racers waiting to be teched, it gets very intimidating, and when you have a lot of new entries that haven't done their homework, it gets very frustrating. The best techs learn how to read the people they are teching, sometimes it is obvious that they are trying to steer you around something or get away with something.
If they make it to impound that is when proper build to class comes in, can mistakes be made, Yuuup. Thats why the protest system is so important, sometimes a racer might run and hold a record thats out of class for several years, and finally it gets protested and has to get corrected.
1.B would have this particular moped run for time only, was it an intentional mistake, I hope not, Sh...t doe's happen.
Steve