F: Any model powered by a Big Twin engine, currently the Milwaukee-Eight®
FL: A Touring or Softail® model with a 16-inch front wheel
FLH: A Touring or Softail® model with a fork-mounted fairing or windshield
FLTR: A Road Glide® model
FXD: A Dyna® model
FXST: Softail® model with a 19- or 21-inch front wheel
LW: LiveWire® model
R: A model powered by the Revolution® Max engine
SE: A suffix that denotes a CVO™ model (SE for Screamin’ Eagle®)
VRSC: V-Rod® and other models powered by the Revolution® engine
XG: Street models
XL: Sportster® models powered by the Sportster® Evolution® engine
