It's not the protocols. It's an addition to the radio that has never been mass produced or needed, not to mention liability. There are no companies that make motorcycle head units exclusively. They all make head units for cars. The Bluetooth on car head units is input only, not output. Imagine the lawsuit when a teen puts on his Bluetooth enabled headphones in his dad's F250, doesn't hear what's going on around him and kills someone.......
I don't know who makes the infotainment system, but Harmon Kardon made Harley's previous head units. Harmon Kardon is among the top tier of mobile audio companies in the world. The technology is available, but it's not necessary or feasible in a car, therefore it's not necessary or feasible on a motorcycle.,..,,in their minds.
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