New Journey

DLNorth

Petty Officer 1st Class
Joined
May 26, 2016
Messages
363
Pretty - IIRC, that fitting is for a pressure tap. and FWIW, my "notes" indicate 82 was prop rated. I can't document this however.
 

MNhunter1

Senior Chief Petty Officer
Joined
May 12, 2014
Messages
728
Pretty - IIRC, that fitting is for a pressure tap. and FWIW, my "notes" indicate 82 was prop rated. I can't document this however.

So, what do I need to know about the pressure tap, do I just leave it alone? Looks like the 79-895288A01 Water Pressure Gauge Kit is the correct outboard model.

From (Arne Kjetil) – “Droll” https://forums.iboats.com/threads/mercury-tower-of-power-hp-question.358147/
"1982 Mercury start measuring the engine hp at the propeller, then 140hp becomes 115hp ( ARE some other minor difference too ), Mercury 115 hp engines ABOVE serial 5829464 are rated at the propeller."

A lot of other good info in that thread as well...
 
Last edited:

mattsteg

Petty Officer 2nd Class
Joined
Mar 25, 2019
Messages
138
Two is one, and one is none, right? Picked these two up yesterday, both 115hp, one a 1984 and the other a 1982 (although the skins/decals are the '84-'85 type). Came with three 6 gallon tanks, extra props, manuals, stands, and many extras. Looks like all the core electrical components are interchangeable, as well as many others. Based on my research, the '82 would still be crank rated, however I have also read that serial#'s over 5829464 were prop rated and essentially the old 140hp block. This '82 is serial# 6007313, so could potentially be prop rated as well. The '84 would be prop rated, so it'll be interesting to see where the differences are between the two. Racerone...may need you on this one:)
View attachment 342612

Any idea what this fitting is for? Something to do with cooling? Located between the top three and lower three plugs. It isn't currently attached to anything.
View attachment 342613
Time to ditch the 180 and find a 22 footer for your twins.
 

MNhunter1

Senior Chief Petty Officer
Joined
May 12, 2014
Messages
728
I'd love me a 22f'tr, but the 18' is much more suited to my use and fits nicely in my garage.
 

MNhunter1

Senior Chief Petty Officer
Joined
May 12, 2014
Messages
728
More importantly, where did you find these motors?
Little town in NWWI, just NE from the MPLS/STP metro across the river. There was a posting for a boat and trailer (old glasser) with a note in the details about two Mercury 115hps available. After a few messages and phone calls to inquire more about the motors, I cleared my calendar for the following morning to make the 5 hour round trip.

Never would have picked up the info on the motors if I had just skimmed passed the ad details, and they never popped up on any of my searches. Pure luck.
 
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