I've run a lithium in my S1000RR for years, no problems. This battery likes to warm up with the electrics on before firing when cold.
I've put a lithium in my R12s just 2 months ago, and it is great. None of the characteristics of the above battery. I assume they've gotten better, plus the CCA was higher.
The weight savings is great. They basically don't need charging. Zero complaints. Will do again on HP2s when the time comes.
This is the battery I used in the 12s:
https://www.revzilla.com/motorcycle/fire-power-featherweight-lithium-battery-hjtx14h-fp-il