Remove the drain plug
.038to.043
1340cc
Yes the Heritage has an alternator. It is located inside the primary casing and runs on the crankshaft.
.040.
1449 cc
Stock is 1340 cc's.
under the transmission probably
About $5,000
The drain plug for a 1999 Harley Davidson soft tail is located at the bottom of the oil tank. There is a rubber hose leading to the frame, follow it to the right side of the frame. It is located under the bike on the frame.
If it's a carbureted Heritage the petcock is located on the underside of the gas tank on the left side of the bike. If it's fuel injected there is no petcock.
.040, or forty thousandths
Behind the head light