Motorcycle Repair: 1984 200s honda 3 wheeler, spark gap, 3 wheeler

Question
i have a honda 1984 3wheeler. it's starts up first crank with a clean plug. but next day i try to start it it won't start. i check the plug and it is black and full of gasoline. what can be the problem? what is the spark gap for this bike ?

Answer
Hi Tracy,

The fouling may be restricted or dirty air filter, improperly tuned carburetor, incorrect gas/oil mix if two stroke, lugging engine, defective ignition system, poor compression, or other.

Gap is.... 0.024" to 0.028"

Resectfully,
Mark Shively