Yes. Oil goes to both from primary.
HD makes a weight of oil they call "Sport-Trans" that is made for use in the Sportster primary. Or, you can use any 30W non-detergent oil.
The '99 Sportster uses three quarts of engine oil, and one quart of Sport-Trans in the Primary/Transmission.
Your machine uses one quart of H-D "Sport-Trans" type oil in the primary.
Evolution and later Sportsters use one quart of Sport-Trans in the Primary/Transmission.
The engine uses three quarts of oil, and the Primary/Transmission uses one quart of Sport-Trans.
engine and primary share the same oil on the 1976 sportster,due to engine oil sumps into primary.
how do you stop oil leaking from a 2000 sportster primary cover
The engine oil supply holds three quarts. The primary/transmission holds one quart of Sport-Trans.
under the back of the primary. either feel around or look under the primary and you will see it. Sportsters use the same fluid for the trans and primary.
The transmission and crankcase are one piece on a Sportster.
Transmission 1qt Primary 1qt
Depends on the year, but you put the trans oil in the primary access hole(left side cover). Usually around a quart, and depending on the year, what kind of fluid you use.