missing oil

Hey all, first thanks for being such a great resource and helpful. Now, I am getting to know my '05 Vee that has (now) 26k on it. I bought it a month ago and began the process of reviving it from the lack of care it received by it's PO. First order of business was an oil and filter change...

Almost a month ago returned from a trip with two friends. They both have 1000cc street bikes (R1 & GSXR1000) so in order to catch up with them I had to push my wee engine. By “push” I mean 180Km/h (~110mph) for about 1 ½ hours and for some time 190Km/h (~118mph). I know that I shouldn’t but…...