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Final Drive Oil Capacity

Posted: Mon Mar 26, 2007 8:47 pm
by bhschn
Hello, I went to change my final drive unit oil tonight and could not get the big plug to break loose, slipped the wrench a couple of times and well you probably know the rest, my question is I want to fill it through the air breather on top doe's anybody know how much oil it holds, it did not drain a whole lot out, about 3.5 ounces is that all it holds or should it be more, 81 GL1100 Thanks, Bill.

Posted: Mon Mar 26, 2007 10:37 pm
by Zacsdaddy
Hello Bill,

I've got an 81 also. According to the shop manual the rear drive takes 140 - 160 cc or 4.73 - 5.41 oz of API GL-5 Hypoid SAE 90 gear oil.

Zacsdaddy