hi all i am doing the ape hanger thing lol i know i have to use dot 4 brake fluid is all dot 4 brake fluid the same plz and thanks 

Yes....it is.
Its only when you get into the DOT 5 and DOT 5.1 that you have to be careful. DOT 5 is Silicon based while DOT 5.1 is the same as DOT 4 (BUT use DOT 4 in your Hog)

thanks for ur help dot 4 it is lol