motor serial number is 0K012684.
Fuel is clean, distributor cap looks great and inside looks new, no cracks or wear. plug wires are new, i havent pulled plugs out
97 caravelle with mercruiser 4.3 lx gen+
motor runs excellent on start up, once engine gets warmed up i have a rough miss. engine tries to stall. my first boat. any help would be greatly appreciated