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1996 mariner 115 possible water in top cylinder?

mitchs1224

New member
i have 1996 115 that runs great and always fires right up, this week it ran hot and shut off not sure if i sucked up some garbage or not but impeller was spitting and sputtering but now sprays strong. after it sat for approx 10 minutes it started back up and ran fine till got it home, since overheating it is hard to start ( takes several tries) and won't idle until its really warmed up. when i checked the plugs (they were new before the overheat) the top cylinder plug is covered in a sludge that taste like saltwater, i cleaned it but after only a cpl minutes of running the sludge is back, the engine runs normal no smoke no loss of power.. i will check the exhaust gaskets and head gasket this week any other suggestions??
 
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