OMC ID?

[mats nygren]

i just bought a boat with a 120 hp OMC engine and sterndrive. i cant figure out what kind of engine it is (153 or 181 ci)and wich sterndrive i have. <br />The sterndrive is supposed to be from 1979 but i am not sure.<br />The engine is model no 990334E1, serial no B3503.<br />The drive is model no 980701, serial no 120B4189.<br /><br />I hope someone can help me<br /><br />Mats

 

[Boatin Bob]

Re: OMC ID?

According to Ken Cooks site it looks like it's a 1977 305ci 305C.I.4V LH 1977 990334E,E1,E11 , don't seem to be able to match up the stern drive model # though, here is a link to the site, have a look Ken Cook Site