I’ve got the same motor here (except 1965) right now working on it for a neighbor, and have another that a friend gave me about 10 years ago when his friend threw it out. With a little carb tuning I got the neighbor’s motor running good, but it’s leaking gear oil out of a leg drain hole just above the lower gearcase so will look at that next – probably a seal on the driveshaft or shift rod.
Of interest is that JB weld patch in the photo Matthew posted that Amuller commented on above. The one I’m working on has those same parts that the JB weld is covering up aluminum-welded together, and the freebee I got has those parts loose with the propshaft, gears,. etc. sticking out about an inch, and I can pull them farther (I haven’t looked into why yet – probably that snap ring mentioned in the post above). That must have been a weak point for these motors! Photo below of the welded one.
I’ll be following this message string to learn more as Mathew’s work progresses! Thank you!
Dave
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