Mine has all of the foam pieces it had when sold to me, new in Aug 2007.
So far as I can tell, all of the pieces that are shown on the parts diagram for the 08 & 09 are present and fitted correctly.
If you bought yours used, perhaps the previous owner installed Zteve's foam pieces.
I never had the heat problem until a coupe of weeks ago when I finally had to ride in 37C (99F) ambient temperatures.
The insides of my shins got REALLY hot to where I had to move my legs outwards, which is awkward when regular gear changes are needed.
I was wearing jeans and full touring motorcycle boots and the boots protected the lower half of my shins from the heat.
I struggle to get motorcycle pants due to my size so figured that the foam would help for the future.
It's not even remotely urgent. I may never ride my C14 in those temperatures ever again.