Re: 1950 Firestone 10-A-73, 5hp Twin Cylinder

[thumper]

Lower unit bearings can be purchased at any bearing place as they are standard manufactured bearings. Not special order.
I will be using grease in mine. I am pretty sure they were meant for grease not fluid but I want to keep my lower end working if the seals start leaking. Use cornhead grease or lubriplate. Hope you were able to get the manuals I sent. My indent is screwed all the way in. The gear set bushings(flat washer style with raised nubslook like they are brass or bronze) can be worn. If they are you might need replacements.