Small gas engines built before the 1990s used cast-iron cylinder sleeves and thicker piston rings that resist wear far longer than modern aluminum-bore designs. Brands like Briggs & Stratton, Kohler K ...

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," ...

Engine knocking can result from one of several issues involving your engine. Whatever is causing it, it must be dealt with immediately so it doesn't become any worse. The knocking is a warning sign ...