moved about 10 ft in garage. Now won't fire. Plug was wet but shows spark. Finger on the SP hole says it's got compression. Will crank the battery dead but won't run. Ether no help at all. Wet plug says fuel. Spark was there but not blue. Compression is compression. The holy trinity is complete, what's up?
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Craftsman Dtl 3000. spark, compression, fuel. no start. 18 hp Brigs?
Verified answer
The first thing I usually do is install a new spark plug even if it is only a year or so old. It is usually cheap insurance to eliminate at least one of the variables. Beyond that, is the Timing ok? Even if everything is there it may not be happening in the right sequence. Also, could there be too much fuel in the cylinder? If the carb is letting too much gas by it can flood the engine.