What the ......

[Noidea]

anyone know what This hole is for?

 

[Claviger]

Good Question!

 

[Dedaaru]

anyone know what This hole is for?

There's one more on the other side toward the front, diagonally opposite, could not place it for anything...

 

[Rocket Scientist]

On mine it's where I tie on the tow rope.

 

[WyldCFH]

Probably locating holes for assembly jig pins

 

[ThisGuy]

Probably locating holes for assembly jig pins

I’m not at my computer to get a more detailed look and post a screenshot, but see for example 0:47 and 0:57 in this video:

 

[Noidea]

There's one more on the other side toward the front, diagonally opposite, could not place it for anything...

Correct, I just didn’t pick up on it cause it had a chrome cap in it, obviously one missing from the other side.

 

[Ishrub]

You look like you need a replacement chrome plug and Chrome side panels to match!

Shameless plug but heh!

For Sale - NEW Chrome side panel/covers for R3 Std, Classic and Roadster

 

[Noidea]

You look like you need a replacement chrome plug and Chrome side panels to match!

Shameless plug but heh!

For Sale - NEW Chrome side panel/covers for R3 Std, Classic and Roadster

 

[barbagris]

On mine it's where I tie on the tow rope.

Fred- It's for tying a deer onto the tank. OK not a very big one.