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Where's it leaking?

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Michael Hodges

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Has anyone experienced this on the cowl of their cub? You can see below the manifold an oily like film. I say oily like because this film has a burned up feel to it. I looked around the immediate area and couldn't find any place leaking. I thought that maybe the oil was coming through the dipstick cap, but it's hard to imagine it causing that film at that location and as well there is no apparent leaking down the oil fill tube. Any guesses?
 

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