Quote:
Originally Posted by smokeonthewater
sooo I went to look at a "'86 merc 7.5" today and bought it... I believe it's a 1975 model tho... The lower unit is munched but the engine runs great.
I gave $100 for it so I think I did pretty well.
Now on to the details.... My engine serial number is:
4132901
If I run the number it comes in as a 1975 merc 7.5 hp model 75......
How do I determine whether a certain lower will fit or not?
Looks like the part number on my lower is IIRC 1630 3916 and I found a 1630 4407 for $50
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I have a nice sailboat prop 5 Pitch elephant ear prop for that motor if you get it going. Check the wires on the switch box and make sure they are not falling apart before you invest in a lower unit. The switch box costs double what you paid for that engine.