Engine won't start, oil dripping from prop exhaust

srr5008

Cadet
Joined
Aug 1, 2010
Messages
9
As some of you may have seen in my other post "Motor Revs fine in neutral, bogs in gear" I've been having some motor problems. So in an attempt to fix my other problem, i went through some general maintenance and repair items. I've got good compression, good spark, cleaned the carburetor, but I didn't take anything apart (jets, needle, etc) since everything was so clean. I just sprayed it and reassembled.

So after all of that, I tried starting and it wouldn't catch. it just kept turning over - looked to me like it wasn't getting fuel. So i replaced the fuel line and bulb, and spark plugs for good measure, and tried again last night. This time it caught a few times, but never ran for more than 4-5 seconds. Between these spurts of running, it sounded like it tried to catch every other turn of the key, but didn't have enough gas to fully run. I called it quits for the night after that, and noticed once I was back in the barn with the boat where I had good light, that there was oil dripping from the prop exhaust. I looked inside the prop (exhaust housing), and there was probably 1/8 of an inch of oil coating the inside of the prop (exhaust housing). I think this is because the motor wasn't getting fuel, but the VRO was still pumping oil? Does that sound correct, or do I have another problem on my hands?
 

F_R

Supreme Mariner
Joined
Jul 7, 2006
Messages
28,226
Oil dripping from a motor that wont run means that the fuel / oil is not igniting or burning in the combustion chambers, therefor is expelled out the exhaust. No what you have to do is figure out why it isn't igniting. You seem to be concentrating on not enough gas. It very well could be too much gas (known as "flooding"). At least consider that in your troubleshooting.
 
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