Thread: Engine spraying oil at high RPM

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Too bad you can't put a gopro or similar camera under the compartment lid and go give it a wack or 2 on the water. does your oil fill cap have an o ring on it? Is that a vented cap? I've seen some of those on some BBC boats and they have an orifice drilled through the top edge to the center as a vent. My friend had a massive Baja with 2 502s and it kept blowing oil out after he had the engines replaced. A guy down at the Lake of the Ozarks showed us the fill caps. He swapped a pair from his boat and the problem went away. After that he heard of others having similar issues too. I'm not sure if it was an incorrect shipment from a supplier or what. I'm not sure if that is your problem but it is something to look at.