1987 OMC Sea Drive Models Where can I find my model number? 1.6 - Mechanical 16AMPHD 1.8L - Hydraulic 18AHPHD 2.7L - PORT ENGINE 27APPHD 2.7L - STARBOARD ENGINE 27ASPHD 3.6L - PORT ENGINE 36APPHD 3.6L - STARBOARD ENGINE 36ASPHD
