My oil level on my dipstick went from just a hair below the full mark down to the add mark in 230 miles. Should I be concerned? I have the ump and check the filter and throttle body regularly. Does not appear to be sucking in any dirt/dust. I have not noticed any power loss and she runs as good as the day I bought it. Any thoughts or opinions are appreciated. Stock 09 motor for the record. I run the polaris synthetic and mobile 1 synthetic oil only.