I got an email saying my quad lock mag battery pack is being recalled, and to submit for a refund with a picture with my name and date next to it. I grabbed the battery from storage and realized why it was being recalled

Doing a full rebuild of a 65cc two stroke race engine. Mechanics is similar to software in that modern vehicles are way too complicated to work on by enthusiasts so hacking skills never get developed. Go simple, use Linux, and figure out how all the internals connect to each other