hey guys new to polaris but not atvs. I have an 03 sportsman 700 that is losing coolant some where i can't find any leaks but a milky grey oily liquid is coming out of breather tube from engine into airbox. have not drained oil yet but am thinking headgasket right? any help is welcomed thanks. oh yeah engine seems to run fine but have not run since i found that don't want anymore damage . don't hear a knock at all.