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Old 09-11-2020, 08:41 PM   #2
jakesnake27
Gone Wild
 
Join Date: Aug 2009
Posts: 14,245
Default Re: 72 Harley Davidson Differential

Changing the fluid wouldn't be a bad idea. Yes, I believe you have to remove the pumpkin cover to drop the old fluid. I doubt new gaskets are available these days, but you could use RTV to reseal the differential. As for fluid, I would refill with 80W-90 gear oil.
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