pretty much what he said.... there are a few variations on the actual mileage, person to person. Some manufaturers like Honda ask for a service visit after 3k to "do a check"..... There used to be a running in oil, I am not sure if it is still available though. I would always use quality oils no matter what stage I am at personaly I would also do another filter change etc by the time i hit 3000miles at the latest. The first flush is always the worst. The main advice is make sure you warm up and warm down. Constant temperatures are good. But not for 10 hours straight. So also let it g