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Engine oil pours out drive shaft hole when drive shaft is removed

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Ashley Drew

New member
Hi,

I have a Mercury 115 4 stroke, 2013 model. It was running perfectly until I smoked it into a rock at speed. It hit right on the bullet. My local mechanic has removed the lower unit. The drive shaft and prop shaft both turn but it's stuck in forward gear. He's going to dismantle up to the shift shaft to find the extent of the damage.

Anyway the strange thing is that with the lower unit removed, when we tilted the motor full up engine oil poured out through the drive shaft hole. This surprised my mechanic like it just shouldn't happen. They're wondering if there is a seal or something missing from when the engine was manufactured. The engine never leaked a drop previously.

Is this normal? I'm hoping that it's just the way it is with this model of engine. Anyone?

Thanks
Ashley
 
Ok, they put the lower unit back in, replaced the oil, tilted the motor up and nothing happened. Oil did not run out, so I guess this is just they way this engine is designed.
 
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