I know dude, that's why I told you to look in the moped wiki.
Here's the article, just avoid this stuff... It's very unlikely you'll find a 1hp. They were the least imported...anyway, here's the link
https://www.mopedarmy.com/wiki/Puch_1hp_restrictions
More with part numbers
https://www.mopedarmy.com/wiki/Puch_horsepower_differences (edited)