Just picked up this boat a couple weeks ago. Past owner stated oil had been changed recently. I checked the dip stick prior to running. Oil had good color and was full. I have now run it 3 times on the water. Running great. Today when I went to take it out. I noticed the oil cap off and oil spilled all over the top of the engine. Dip stick was also lose. Everything looks fine BUT........ I can't for the life of me figure out how to get the oil cap back onto the top of the engine. I'm starting to feel like a idiot but it is not a screw cap or locking cap. It looks like a rubber stopper but it's just sitting there. Help please..
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