3hp powerhead folding vs non-folding

meyerboy

Petty Officer 2nd Class
Joined
Dec 10, 2009
Messages
100
It appears that OMC altered the powerhead for the 3hp the year they decided to offer the fold-up option.

case in point.... the 1960 powerhead on the right cannot be mounted on the 1967 folding outboard that I want to becuase of the collar opening just around the shaft seal is bigger on the fold-away models (the one on the left is a fold-away). see below (click to enlarge)



The adaptor plate that is used on the folding outboards has a collar that fits into that enlarged space. see below



Bottom line is this: a 3hp powerhead from a rigid shaft outboard will only mount to a folding outboard from a year model that offered the option. I think the folding option was for 1964,1965,1966,1967,1968 only.
 

oldcatamount

Lieutenant Commander
Joined
Apr 4, 2010
Messages
1,740
Re: 3hp powerhead folding vs non-folding

Interesting research.. thanks for that!
 
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