1979 Merc 115hp power head ?

dmelton

Recruit
Joined
Jul 6, 2003
Messages
3
Water pump went out on river. Motor stopped. I have lots of money invested in the electronics of the motor. We just replaced all of the wiring and the stater box, new trigger, new switchboxes, new coil boxes, new water pump. Too much money to junk.<br /><br />We are curious about power head swaps. We were told that 90 or 115 hp were interchangable. Is this true?<br /><br />If do you know a used one?<br /><br />Any help would be GREATLY appreciated!
 

Kenny Bush

Chief Petty Officer
Joined
Mar 24, 2002
Messages
564
Re: 1979 Merc 115hp power head ?

Yes you can swap them around. The only main difference will be the carbs.
 

Gold Bear

Petty Officer 1st Class
Joined
Sep 26, 2001
Messages
224
Re: 1979 Merc 115hp power head ?

diana <br /> <br />Do you know for a fact that your engine was damaged? Did you check the compression of the engine? If the compression reads OK I would add a bit of extra oil mix and go back to running it again.<br /><br />Look at the spark plugs and see if there is deposits of aluminum on them (a sure sign of damage).<br /><br />Good Luck,<br /><br />Gold Bear ;)
 
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