oil leak

[happyman]

mave been getting ready for the arival of the cylinder kits and cleaning things up .. did the carb as it was leaking out thje overflow.. fixed that and now i see i haveoil leakinjg out the overflow!! i did drain the oil, and put in what i am going to run. cleaned the screen in the oil line and now it wants to leak a little oil. anyone have an idea of what it is i need to do to correct this? couldit be the needle and seat again. seems strange its now oil instead of just gas. thanks in advance.