Making some parts for the Honda Hobbit PA50 moped. Make a better chain adjuster that will hold up. Also make a pedal crank shaft bushing. Make a new pedal crank shaft. Straighten crank pedal. How to keep your old Honda Hobbit alive sometimes requires making parts that are too hard to find or too expensive. If you can make your own parts for the hobbit, it can last a much longer time. Its easy to keep the Hobbit going if you can do these simple tasks. Lets see ho to fix the old PA50 Hobbit.