1989 OMC Sea Drive Models Where can I find my model number? 1.6L - Mechanical 16AMRARF 2.0L - Hydraulic 20AHRARF 2.0L - Hydraulic - CR 20AHLARF 3.0L 30APRARF 3.0L - CR 30APLARF 4.0L 40BPRARF 4.0L - CR 40BPLARF
