Harley Davidson tank cap n.1 ref. 99688-10
For models from 1983 onwards (except VRSC™, XG, XL1200V, FXD, FXDX, FXR with plastic tank cap, Flstns, FXS, FXSB, FXSBSE, FXST-AUS, FXBB, FXDRS, FXFB, FXFBS, from 2018 onwards, Electra Glide®, Road Glide®, Glide Tour, Tri Glide™, XL883N from 2015 onwards, XL1200L and XL1200C 2004-2010, XR from 2008 onwards, FXDC 2005-2006 and all caps of the tank with indicators or locks).