In this video, we're going to work on a very poorly running Arctic Cat 500 cc ATV. Josh brought the ATV to me complaining that it wouldn't idle for long, and would die out while he was driving it ...

Testing carburetors on an engine dyno can sometimes be misleading. We've all seen tests showing large-cfm carburetors making more power—even on a small engine that nobody in their right mind would run ...