FXDWG, FXD35, FXDL and FXDB Models
See Figure 2. To open fuel filler cap, turn cap counterclockwise and lift up. To close, turn fuel filler cap clockwise until it clicks. The ratchet action of the cap prevents overtightening.
NOTE
  • Fuel filler cap turns approximately a 3/4 turn before it starts unscrewing.
  • FXDWG, FXD35, and FXDL model fuel filler caps are located on the right side of the fuel tank. The cap on the left side is the fuel gauge and is NOT removable.
FXD and FXDC Models
See Figure 2. To open fuel filler cap, pull metal tab up and turn knob counterclockwise and remove cap.
See SAFE OPERATING RULES and review safety procedures which follow.
NOTICE
Do not spill fuel onto the motorcycle while refueling. Immediately wipe up fuel spills on your motorcycle. Fuel can cause damage to cosmetic surfaces. (00147b)
NOTICE
Use only unleaded fuel in catalytic converter-equipped motorcycles. Using leaded fuel will damage the emission control system. (00150c)
WARNING
Do not store motorcycle with gasoline in tank within the home or garage where open flames, pilot lights, sparks or electric motors are present. Gasoline is extremely flammable and highly explosive, which could result in death or serious injury. (00003a)
WARNING
Avoid spills. Slowly open fuel filler cap. Do not fill above bottom of filler neck insert, leaving air space for fuel expansion. Secure filler cap after refueling. Gasoline is extremely flammable and highly explosive, which could result in death or serious injury. (00028b)
WARNING
Do not use aftermarket fuel caps. Aftermarket fuel caps may fit improperly and leak, which could lead to death or serious injury. See a Harley-Davidson dealer for approved fuel caps. (00034a)
1Fuel gauge
2Fuel filler cap
Figure 1. Fuel Gauge and Fuel Filler Cap: FXDL, FXDWG, FXD35 and FXDB Models
1Fuel gauge
2Fuel filler cap
Figure 2. Fuel Gauge and Fuel Filler Cap: FXD and FXDC Models