1979 1150 Mercury Outboard

drvn4sxs · May 22, 2011

Can someone tell me if I have white pasty stuff on my spark plugs, does this mean Headgasket required????

cr2k · May 22, 2011

Re: 1979 1150 Mercury Outboard

Cant tell you if you have anything on your spark plugs without seeing them.

Chris1956 · May 23, 2011

Re: 1979 1150 Mercury Outboard

That motor does not have a removeable head. Water can get in thru the exhaust ports, however.

Faztbullet · May 23, 2011

Re: 1979 1150 Mercury Outboard

If its lower cylinders, it is fuel & water mixed likely from bad lower crankshaft seals...