It can be a rascal, not much room to maneuver in there.
Yes the tank needs to come off. It's no big deal I've removed the tank so many times I think I could do it in the dark.
Just take your time and use common sense. YOU CAN DOOOIT!
Mike

It's not speeding till you get pulled over.
https://www.youtube.com/watch?v=Bqa1s4jhkQ8