1985 Mercury 115 Tower of Power Powerhead compatability

CRJDriver

Cadet
Joined
Jul 4, 2012
Messages
26
I have a 1985 Mercury 115hp Tower of Power. Number 3 piston is scoring the cylinder wall. I am looking for a used / rebuilt powerhead. Any idea what years will be compatabile with the rest of my engine? I am looking for something that I can just bolt and go, or something to swap all my carbs/ electronics, etc over to.

I know they started making lots of changes in the 80s with transom mounts, drive shafts, electronic connections etc.
Anyone know what years to focus on for a replacement.

PS. I may try to rebuild my head over the winter if I get the time. I run in salt water and the water jacket doesn't look like it is coming off without a fight!
 

Faztbullet

Supreme Mariner
Joined
Mar 2, 2008
Messages
15,616
Re: 1985 Mercury 115 Tower of Power Powerhead compatability

1979 1/2 is first year of ADI igition...so anything for here up is good.
 

CRJDriver

Cadet
Joined
Jul 4, 2012
Messages
26
Re: 1985 Mercury 115 Tower of Power Powerhead compatability

Will an 83 or 84 powerhead be compatable?
 

CRJDriver

Cadet
Joined
Jul 4, 2012
Messages
26
Re: 1985 Mercury 115 Tower of Power Powerhead compatability

Thanks jimmbo. Just bought a freash water engine for $850. I will use mine for spare parts as needed.
 
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