What is this?

[BMiller]

What is this bolt for and am I missing a part here?  I saw this the other day while diagnosing an unrelated problem and just thought it looked like there should be something attached to it.

Bike = 2001 M900Sie

[Howie]

A left over hole for the ignition pick up wires on a carbed bike that can be used for checking air gap for your new fangled ignition pick up. 

[BMiller]

A left over hole for the ignition pick up wires on a carbed bike that can be used for checking air gap for your new fangled ignition pick up. 

Good stuff, nothing to worry about then.  Thanks bro.