OMC inboard motor serial number????

brandoncrrll

Recruit
Joined
Mar 2, 2010
Messages
3
I have looked everywhere for the serial number on this 4 cyl OMC 2 barrel motor and cant find it. My freind THINKS its like 135 hp and a 1988 motor.
all i found on the side was GM , the number 277008, and 139/88.......
any ideas i think the number tag or whatever is missing? is there any other way to find out? thanks guys im new here
 

zbnutcase

Commander
Joined
Sep 19, 2009
Messages
2,055
Re: OMC inboard motor serial number????

It SHOULD be on a decal on the side of the valve cover...but if its been replaced or repainted could be lost to history. 'nutcase
 
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