Oil in carby By 2CV Club Australia › Forums › 2CV Technical › Oil in carby This topic contains 0 replies, has 1 participant, and was last updated by Paul Ramsey 2 years, 10 months ago. Viewing 1 post (of 1 total) Author Posts 21 December 2016 at 7:33 pm #1523 Paul RamseyParticipant I took off the air filter and noticed an oil deposit in the top of the carby. Is this normal and if not how would it be caused? Thanks for any assistance. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.