Hi every one have not being on this site for a while got my self a classic CZ 1948 Perak (feather) Model 11 and trying to find info and parts for it.I am at 90,000 km full services vale shims, carb sink, greasing, plus more but when I pull the air induction box off and found oil in the left side and oil water muck in the left and right sides were could this oil and water be coming from.