Is both tyres off the ground if I place the centre stand on a 2x4?

[Noreg]

Looks like your rear fender is already shorter than mine were, so you might get away without disconnecting the shocks.
Reason I modified mine was it was a pain in the arris doing that when time was pressing and I'd a job on.
Practical mod for a working bike.

That makes sense, I couldn't figure out why everyone was making it out to be an issue when I did just fine.

I think doing this wheel swap on the lawn was a bad idea, the center stand is sinking a bit in the grass.

[Grimly]

[QUOTE=Noreg;2618327

I think doing this wheel swap on the lawn was a bad idea, the center stand is sinking a bit in the grass.[/QUOTE]

Before it sinks too much, put some plywood under the stand by leaning it over, kick the ply under one foot of the stand, lean it back up onto that foot and do the same with the other.
If you ever go camping with the bike you'll soon discover why regulars take a wooden puck along with them to put under the kickstand.