Strange oil leak on 2004 Merc 15hp 4-stroke

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wscruiser

Member
Joined
Jul 3, 2009
Messages
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Location
Winston Salem, NC
Due to various reasons, I didn't get to use my boat at all last season. So, the motor has sat for a year without being started. Last weekend, I poured out the old gas that was in the gas tank and put some fresh gas into the tank. I hooked the gas line to the motor, primed it, and tried to start the motor (tiller, non-electric start). I couldn't even get it to fire. But, I noticed what appears to be clean oil running down the foot of the motor. It is enough that it formed a small puddle under the motor. After looking for the source, I've found that it is coming from where the prop meets the foot of the motor. The is no evidence of oil on the outside of the motor except for where it leaks out between the prop and the foot, then it runs down the fin on the bottom of the motor. It only leaks when I try to start the motor.

Any ideas on what may be happening?
 
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