Throughout this site we use many technical terms, and given the breadth of readership our site enjoys, sometimes we are remiss and incorrectly assume everyone knows what we are referring to. For those that do not, here are some explanations of the technical terms use. |
Lean
A lean (or weak) mixture has excess air compared with the chemically correct or normally accepted mixture strength. This can result in loss of power, flat spots during acceleration and overheating possibly causing damage to the spark plugs, exhaust valves and even the piston crowns. |