Good lord thoose are hugs pictures
My guess on the gas is maybe your filling it much or maybe leaving in the garage were it gets hot and then it will overflow(vent) as it should to prevent the gas tank from warping big time from the temp. changes. The oil if its actually oil could also be due to same reason, Or if its something that looks like oil it maybe left over packing grease they but on bikes when shipping them on the boat and its still some under the bike that didnt get washed off during assembly at the dealer.
There is my .02