heating issue.. need opinions

well heres a couple things i think its the shroud like fishy said it would overheat when running . after it sits and kinda heats up i take it on the road and bam 30 at 30mph its back down to normal.
and its the stock gauge. and cap is not leaking but its like a 17lbs cap. my dad said it was a lil bit high lbs for a rad cap. he said 7-10