Definitely think about investing in a good motorcycle chain lock....it should at least prevent thefts. I used one of those and a fork lock with alarm on it....yet mine was just a cheaper Honda. I've just seen three grown men easily pick up a sportbike.
This one is pricey, but I've heard it is one of the best on market:
https://www.revzilla.com/motorcycle/...-59-chain-lock