I think they would fit better if you rotated them forward as you intend. Just leave the hold down bolts a bit loose, get the bats where you want them, then tighten and road test.
Good luck!
Luke M
Used to have a 1979 CB750L, sold it as a parts bike, now riding a slightly modified 1984 VT700C. Network/Field Engineer. Central OH, USA, Earth, Sol System, Milky Way Galaxy, Universe.