'90 Mercury 150 lower unit

SFT2

Petty Officer 3rd Class
Joined
Nov 11, 2007
Messages
77
I found a '90 Merc 150 for sale locally that needs a lower unit, and heard a rumor that Alpha I/O lowers fit. Anyone know if there's any truth to that? An SEI lower unit would be a pretty quick and easy fix for this problem :)
 

SFT2

Petty Officer 3rd Class
Joined
Nov 11, 2007
Messages
77
Re: '90 Mercury 150 lower unit

That's what I figured, couldn't be that easy ;)
 

Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
28,082
Re: '90 Mercury 150 lower unit

The Alpha Drive shaft is too short, and the shift shaft is different.

Laddies, If you changed the driveshaft, and modified the shift shaft, would it then fit?
 
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