At age 7, Randy Savageau started tinkering with the motor on his minibike. He also tore apart a lawn mower and mounted the motor on a homemade go-cart. "I think that's probably what got me started," ...

So your Honda lawn mower broke down again, and this time, it's in need of a new wheel kit. Instead of taking it to a professional for repair, you decided to try your hand at it yourself. Thankfully, ...