1971 Mercury 150hp

CharlestonFF

Cadet
Joined
May 3, 2013
Messages
14
I am possibly going to buy a 1971 grady white with a 1971 150hp Mercury. The guy says that pistons sleeves rings bearings etc are all new. Motor has around 80 hrs after it has been rebuilt (he is guessing). what should the compression be on this motor? Is paying 2500 for boat and motor a good deal or am I paying to much? Any information on 1971 Merc would be great!! Are these good engines?
Thank you for your time
Adam
 

Laddies

Banned
Joined
Sep 10, 2004
Messages
12,218
Re: 1971 Mercury 150hp

Mercurys first 150 HP was 1974 130 lbs compression or better on a new rebuild. Remember if they lie on the year or HP, it will probably be followed with other lies.
 
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