The engine I bought was already built, and had not been run. My dad and I planned to take it all apart to give me a better understanding of the engine, as well as to identify any problems before they got bad. The Arovee engine was heavy and awkward to move. at the time it was sitting on the workbench with everything installed. Going into this I had only enough sense to tell you which cylinder is the #1, 2, 3, and 4, and I knew some of the terminology, such as crackshaft. I frequently asked my dad "what do you call that part?" we began unbolting stuff in roughly reverse order from the manual (if you're familiar with sonex plans, you're used to backwards) In under an hour we had stripped many of the external parts off and the engine had lost at least 20 pounds! A box was designated as the hardware box, so it'll be like legos trying to find the right bolts and nuts again when I reassemble it. the important part is that they're all together and no