On the bottom of the bike located on the frame under the oil pan, there will be a Allen head screw. Run the bike then pull it. Good luck.
.40
When changing the spark plugs of a vehicle a person has to gap the plugs at the right size. The spark plug gap for a 2003 Heritage Softail is .036 inches.Ê
.038" to .043"
oil tank
Look under the bike between the shocks.
.040 or 40 thousandths
The 2003 Harley-Davidson Heritage Softtail transmission drain plug is on the bottom of the transmission. The drain plug is flush with the bottom of the transmission. You can remove it with a half inch ratchet.
Between the two shocks, towards rear. The oil, primary, and transmission plug are in the same general area.
Use a dime to gap the plug. If u haven't got a dime use two nickles
under the bike in the back between the two shocks. 5/8 socket
I'm trying to change my oil on my 08 heritage softail. I located a drain plug under the bike but that doesn't seem to be it. I believe it is the transmission oil and now I have two problems. I would like to know how to add and check the transmission fluid and how and where to locate the oil drain plug. Any help would be greatly appreciated.
Twin Cams take a 12mm thread diameter plug. All Harleys with electronic ignition require a .040 plug gap.