good site
AMSOIL 20W50. Don't overfill.
Harley-Davidson never took over AMF. AMF bought Harley-Davidson and then Harley-Davidson management bought it back. AMF was never part of Harley, it was the other way around.
Take it to a shop, or if you prefer to do it yourself then find a website that teaches you how to.
take it to a shop
Take it to the dealer
4 quarts
you need to take title or registration to a Harley dealer so they can order one
The best way to purchase a Harley Davidson FLSTS is to visit the nearest car or motorcycle shop. You can also take a look at their website if the Harley Davidson FLSTS is available. You can also try to purchase one from a vendor site, but watch out for the quality of the item and the shipping requirements.
The Harley-Davidson Heritage Softail typically requires about 5 quarts of engine oil for the motor. For the transmission, it generally takes around 1 quart of transmission fluid. Always consult the owner's manual for the specific model year to confirm these capacities, as they may vary slightly.
take it to the Harley Davidson Service Dept.
I take it these are the numbers on the enigne. You appear to have a 2001.
Forever. It will not obey you, assuming you're talking about the motorcycle.