looking underneath the bike; it is the plug on the shifter side of the bike.
No
12 volt.
1 inch.
4.2 gallons
No. It has a carburetor.
It is 12 volts.
2004 fatboy oil change
98 horsepower
Saw online the gap is .040
no
You can't. You'll have to buy a manual.
No drain plug. Oil tank has a hose tha runs down to frame rail, then hoseclamped to a plastic blankend which clips to frame rail tub. Unclip from frame, losen hoseclamp, pull off blankend, oil will drain out. There is a drain plug is for tranny/clutch.