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| Could just be a spill, too. First, clean the motor up by wiping off all the oil and junk on it. Then try to locate the source. Check plugs, hoses, and seals. If it's got oil injection that would be the first place to look. It looks too dark to be gas/oil mix. Still, If you can't find the leak after looking for it try pumping the primer bulb in the gas line until firm and check again. If you still can't find it, you might consider letting the motor sit for a while or even driving it around on the trailer to shake it up a bit and see if anything comes out. Another option would be to take the spark plug wires off the plugs and turn the engine over a couple times and see if that pushes anything out.
If you can't find the leak after all that I'd run it and see what happens. If you have a cracked engine block (not likely) you'll know when you try to run it because it will a) run really poorly; b) make all kind of racket; or, c) not run at all.
I think that because the stuff is so dark that you've probably just got a spill under the hood. Fogging oil is a good guess, I think. Gas/oil is more blue than anything and would have mostly evaporated over the winter. I'd bet that you won't find a leak and the motor will run fine, but that's just a guess and I'm an amateur mechanic at best so take my advice with a grain of salt! | |
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