I live in the same area with the same motor and run Motul 300V competition 5w40 on my high mileage track car at the recommendation of my mechanic
Well I decided to try Motorex on my F800 GS, bought the 4T Top Speed full synthetic, in 15W50, boy I cant help it but recommend this oil, the gearbox is so smooth and silky.
I would say 0w20 Motul 8100 is a solid choice.
I use Motul's 0w-20 "Eco-lite" and change about every 4-5 (or April-October really) with about 25 autocrosses and the highway driving to get to them.
I use Motul 300v 0w20, plus oil analysis from Blackstone Labs, currently every 6k miles until they tell me otherwise
Motul 8100 5w-30
Motul 8100 5W40 (track toy)
Check the oil recommendation in the manual and then go with castrol edge or motul if you want to go the safe by the books route.
Motul 5w40 - shit is so good you can pour it over your salad.
Motul 5w40 every 3500ish miles
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