I did a little searching and came up with some relevant results using the search terms lock, hiss, etc. I ran out of time looking for the specific posts I mentioned, but I thought I'd offer a thought. You could conceivably remove the stock ignition and replace with a non HISS one. It would require an ECM replacement, but you can find those for cheap on eBay. There is a how to for removing the barrel lock on here with good photos. Just a thought.
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Male, 44yrs, 180lbs, 5'9", '14 (RWB), 22k miles, Bridgestone BT023, Vortex V3 kit, Rotella T6, KN-204 filter, 87 Octane, Maxima Chain Wax, Puig 6479W windscreen, clear signal lenses, Fork Preload caps, T-Rex spools, Radiator guard, Shorty adjustable levers, Fork stem RAM mount/USB port, red/black alum grips, 300R Rear tire hugger, Rear seat cowl, LED engine/undertail lights w/RF remote, LED position light, Sea level, city commuter, spirited rider, turn my own wrenches.