Originally Posted by cv129

JAR describes the OP's scenario exactly.

From high speed, if OP wants to coast in neutral with SRM on - When shifting out of 5th or 6th, keep it in the space between 5th and 6th just for a moment instead of letting the shifter bounce to its natural position in the middle right away. Once SRM knows you are not going into another gear, rev will free fall instead of up or hold. At that point OP is safe to let the stick to its natural position.