Lifted mine by the bottom of the motor, changed the rear tire, rear end & driveshaft.
Never again!

I was scared to death the whole time it was going to tip over, I was "working on eggshells" the whole time. I was darn lucky I had guessed the balance point just right. You can see from the pic that I added 2 jackstands under the crashbars in case it tipped forward, it did but no problem.

I am going to build a wooden table with a wheel clamp that can clamp front or rear wheel that is also big & heavy enough to tie the Valk down safely. It will be only 6-8 inches high so I will be able to ride the Valk up on to it. I don't mind working on the floor but I do mind worrying that the bike will tip over!