Re: Overheated, won't restart
Personally have blown many head gaskets on portable engines due to severe overheat caused by kelp sealing leg water intakes at wot frying thermo as well. If your engine has smoked worst than an indian definitely you have ruined the head gasket, check if you have also fried thermo and head along. Your engine will not restart because has water inside combustion chambers and pluigs ara arleady water fouled.
Once head is removed have a look if have damaged cylinder walls too, other issue to check, place straight edge of metal ruller border to border across both head cylinders cavities, edge must be paralell and evenly across head, if with slight head height difference, you have a warped head, will need to file evenly yourself or send to a machine shop to do the work, if it's severely warped and once fille corrected you'll need to place a thicker gasket to compensate compression or buy a new head.
Happy Boating
