I bought a 2010 tw200 from the dealership 1 week ago wit 256 miles on it. It now has 1033. When should I change the oil? When the bike is off and I hold it uprigt, the oil exceeds the first mark. Should I wait until it goes below the first mark? Also, I want to know THE BEST oil for my tw200. Idk if it matters but I do hard riding. I rarely just cruise and enjoy the scenery.