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Look just below primary cover its a allen, good to get new one at dealer cost about $2.00 bucks, remove cover drain, fill through cover, Pay attention to bolt pattern.
If you get the gasket KIT it will include 3 "O" rings and an original shaped gasket for the primary/derby cover. If you get them separately, it will cost you more and the derby cover is a rubber disc instead of the original style.
I have the factory manual but cant find any instructions on draining and replacing the primary oil.Any one have words of advice ?
Looks like you got a Sporty.....The most cautious way is to change your primary/trans oil as often as your engine oil/filter. Pick a brand of your choice and stay with it. Over the years I changed brands and learned from the color of what comes out during those brand changes affects the color and amount of filings that come out with the fluid......I won't recommend any brand because that is your choice.
Look for a drain plug on the Primary cover underneath the clutch......Add the new fluid thru the inspection cover......It may take 1.5 quarts but I don't know the newer Sportys, other than they use the same primary chain dating back the the '52 K-Model.
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