Small engine repair

This semester there was a small engine repair class at our co-op, Smee and Curly would have liked to have taken, we are still kind of new, we are still at the bottom of the list for class picking, they didn't get it. Well, they got their own mini class at home. When we moved we had to start the lawn mower that sat for the last six months, our old landlord did the lawn himself. Surprise, surprise it ran for about three passes on the lawn, then putt, putt, sputter...cough...nothing. Peter Pan and the boys gave it a tune up, then it didn't do anything. While I ran errands, I stopped at the library and picked up two small engine repair books. Curly starts tearing the engine down and our neighbor comes over to lend a hand, turns out he has done this a few times before and walks the boys through a few diagnostics and says it's the sheer pin, so we look it up in the book...it says nothing about sheer pins. So off to the hardware store. Nothing more fun than a thirty minute drive for a less than two dollar part. I bought sheer pins, and each flywheel key sold so now they can fix any small engine. They, with the help of another neighbor got the mower torn all the way down, got the flywheel key in and the mower going. Now they are trying to fix two weed eaters that have died on us.