Chad Jensen

Spark plugs-A window into how your engine is running.

Sometimes a drill bit just won't do. When you want accurate, perfectly round holes...

Kitfox’s Super Sport gets more than new pep from Rotax’s turbocharged 916 iS.

Have you checked your fuel system for leaks lately? Turns out there's a good reason to periodically conduct a thorough investigation. Incipient leaks may go undetected. Worse, when the O-ring on the fuel-selector valve goes bad, it could allow air into the system, which means your engine could misbehave at a most inconvenient time. Often, this malady is difficult to diagnose and the assumption is that the fuel selector is OK when it is not.