Mindboggling, isn't it, Mike.
Myself and an other former member here made a big stink directly with Triumph corporate over that omission about 7-8 years ago and then, again, several years later. We suggested that they at least put out a service bulletin to their dealership network, which they may have done, albeit, in a rather non-robust, ineffective way and we also recommended that they either create printable, online addendums for both the owner's manual , as well as the shop manual(s) that could be easilyadded to those documents for future reference by all R3 ownwers. This is what our suggestions were met with...