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1976 omc sterndrive oil leaking from water intake

robw357

New member
"I have a 1976 seaswirl with a

"I have a 1976 seaswirl with a 4cyl chevy motor, and a OMC 120 I/O. I know it is the electric shift model. I noticed in the last couple weeks oil has been leaking from the water intake. It started with a drip, now is leaking more. The oil leval has dropped from my upper unit.

I have not used my boat for approx 10 mos. and have made sure it was winterized. My outdrive was in the down position during the cold season.

any ideas where to start looking?"
 
"With what gave to start with,

"With what gave to start with, Drive removal will likely be necessary. A likely place if oil is coming out the Exhaust will be the Upper Gear Shaft. Below is Diagram of a 1976 Low Profle Upper Gearcase. You should get OMC OEM Manual if you plan to do any of this yourself, even if it is just to remove the Drive. Good Luck! Oil leakage is seldom fun.

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140 Short Gearcase
 
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