Install the included screw from the upper side through the bracket so they pull through
around 2mm. Mark the overlap with a bit of color.
Push the chin fairing to the bracket from underneath so the marked screws will mark
your drilling holes into the chin fairing.
Drill 6,5mm holes into the chin fairing on the marked points.
Remove the bracket, remove the screws and mount the bracket again finally together
with the voltage regulator.
Install the chin fairing to the bracket for test purposes.