Spark Plug Diagnostics 101 Unmasking Fouled Plugs

What can cause my spark plugs to foul so quickly? These plugs only have 15 hours on them. The previous plugs where not. It's a plug with an electrode that's covered in a substance that keeps it from firing correctly. This leads to misfiring, a rough idle, less power and hard ... Try clearing the plugs by running your engine up to 2000 RPM on both mags leaning to about 50 RPM lean of peak. a fouled spark plug is when it isn't burning the fuel cleanly, usually leaving wet oilly deposits of the plug, thus causing it to misfire even ... Make sure you check the spacing on your plugs in addition to checking to make sure they're not covered in oil or dirty in general. This rule ... When a plug is fouled it gets coated in some substance like oil or carbon. This prevents the plug from sparking correctly. A spark plug can be ... Many things can cause this on a 2 stroke. Poor compression is one in the affected cylinder. Wrong spark plug which is too cold for the motor, bad plug wire or ... The piston first travels down the cylinder, drawing in a mixture of fuel and air. The piston then goes back up towards the spark plug, ... Is it the oil? The gas? or the coolant? Spark plugs can be the “canary in the coal mine” for underlying engine issues. In most cases spark plug fouling can be reduced or eliminated by simply applying proven operating techniques. For example, low operating temperatures coupled ...