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Gearcase Housing- application? 1963 75hp

Hello all... been awhile since my last post (2008- LOL!)
I am in the process of installing a great running 1963 75HP Powerhead, onto a '68 65HP Manual-Shift Leg.

I removed the leg- and was going to do an inspection/seal & Impeller. Everything was looking good, gears and bearings were perfect, clutch-dog shows little wear, and even the impeller was soft-supple and looked new (will change anyway).

However- when I pulled the prop-shaft out of the gearcase housing, a small chunk of metal fell out. It was a piece of the housing that the prop-shaft inserts into- behind the bearing. I don't believe this was damaged while running. I think the engine had been banged around alot, and even dropped a time or two.

I think the gearcase would be fine reassembled as-is, but heck... while I'm in there... I may as well try to get a replacement.

The OMC part number is: 378590

What years/models does this interchange with? I only have the '63, '67, and '68 parts catalogs...

A friend has a '60 Starflite (Jetstream-Drive) manual lower unit- will this work?

Gearcase2.jpg


Ray
 
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