He adds an apocalyptic postscript: P.S. We all know that lean mixtures can melt valves, crack seats, melt heads, destroy plugs, crack cylinders, burn valves, cause premature destruction of all ...

In other words, pulling the plugs might give immediate information-oil in the cylinder, uneven mixture distribution, a misfiring cylinder, an extremely rich or lean mixture, or, hopefully ...

which you might hear referred to as the stoichiometric ratio.) When this very precise balance is thrown off by too much air, you're left with what's called a lean condition. Although it might not ...

The pulse range of the mixture control solenoid is quite broad, but good performance also depends on proper adjustment of the rich/lean mixture screw adjustments, the idle air-bleed adjustment ...