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Author Topic:   Mercury / Mariner 40 4 cylinder
Mad Hunt posted 04-01-2009 10:19 AM ET (US)   Profile for Mad Hunt   Send Email to Mad Hunt  
I have a Mercury / Mariner Magnum 40 4 cylinder long shaft for sale. I thought I would post here for a while before I put it on the big auction site. The motor was on a boat that I recently purchased and has a problem with the lower unit. I do not have time to work on this motor and have a Johnson 35 that is ready to bolt on so I have decided to sell. There was water in the gear oil and it will not stay in gear. The rest of the motor is in great condition and looks to have low hours. The motor starts, idles, and runs smoothly. All 4 cylinders show 121psi compression. The motor was listed in the ad as 1997 but I do not see a model year on the motor. A complete set of Quicksilver controls and cables (proper length for a sport 13) are included. It is still mounted on the boat for the next few days if you would like to inspect and see it run. Local pick up will be required. Please send me a message if you are interested and would like to make an offer or need more details.


27 Black Dog posted 04-01-2009 06:14 PM ET (US)     Profile for 27 Black Dog  Send Email to 27 Black Dog     
Do you have any pictures? I live in Stafford, VA and am very interested. Got an idea on how much you want?
Mad Hunt posted 04-01-2009 07:52 PM ET (US)     Profile for Mad Hunt  Send Email to Mad Hunt     
27 Black Dog,

Email sent.


Mad Hunt posted 04-03-2009 09:54 AM ET (US)     Profile for Mad Hunt  Send Email to Mad Hunt     
I have had several questions about the water pump. Yes it is pumping water.


Tohsgib posted 04-03-2009 11:05 AM ET (US)     Profile for Tohsgib  Send Email to Tohsgib     
Huh? Who gives a crap if it is pumping water if the lower unit needs to be replaced anyway? The stupid questions people ask for Pete's sake. What's next..."is the skeg in good shape?"
Tadpole posted 04-03-2009 01:15 PM ET (US)     Profile for Tadpole  Send Email to Tadpole     
It's a perfectly relevent question; if the admittedly damaged lower unit also disabled the water pump, then the powerhead may well have been overheated and trashed too.

If the water pump does still work, one could reasonable assume that the rest of the motor may be fine. I would do a compression check.

Mad Hunt posted 04-09-2009 01:27 PM ET (US)     Profile for Mad Hunt  Send Email to Mad Hunt     
Now listed on the big auction site. Item # 140312697645


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