1976 OMC Stern Drive Models Where can I find my model number? 120 990223A11 990224A11 990234M 990235M 140 990225A11 990226A11 990236M 990237M 165 990227A11 990228A11 990239M 175 990229A11 990229M 990230A11 990230M 190 990231A11 990231M 990232A11 990232M 225 990211A11 990211M 235 990240A11 990240M 990241A11 990241M
