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Exhuast leak on new motor

canoecrazy

New member
"I just purchased ne 25hp ss m

"I just purchased ne 25hp ss manual start yamaha yesterday. I took it out and followed break-in procedures. When I pulled the boat out of the water, I noticed that there was black oily residue were the lower unit connects to the rest of the engine. I called the dealership immediately and I was told it was okay. A mechanic informed me that it was exhuast pushing its way out of a crevis where the lower unit attached to the motor. He said it would not be noticable once I am running at high rpms and burning less rich fuel mixtures. Should I follow the mechanic's advice or should I take it to get serviced?"
 
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