On a 1986-2003 there is a drain hose. Look under the motor and there is a rubber hose with a worm clamp on it, it attaches to a bung on the frame. Loosen the clamp and remove the hose from the bung.
The drain plug is under the engine, near the kick stand.
There is a Hose with a Clip attached to the Left Side of the Frame underneath the Primary Cover. Remove the Clip and Pull the Drain Plug in the Hose..
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.
There is no transmission drain plug. Your transmission uses the same oil from the primary. Draining your primary drains your transmission.
The oil drain plug is at the bottom of the oil tank (for engine). Bottom rear of primary case for primary & transmission.
on bottom of trans. case. kind of hard to reach
That plug is the drain plug for the primary and transmission oil supply.
Drain plug on the bottom
the trans and primary fluid on a sportster are the same (1 qt sport trans) look for the drain under the derby cover.
My Sportster has a drain hose that attaches to the oil tank and crosses over to the opposite side of the bike. It is hose clamped to something like a lug on the bottom of the bike frame.
Directly at the lowest spot on the primary cover.
it's underneath the oil tank carol,tell mark to take off his dress and do it himself