1990 OMC Model 3.0L 181 CID 4CYL Maintenance, Repair & Service Manual

This in-depth digital engine service and repair manual covers your engine from end to end — internal components, fuel, cooling and electrical systems, timing, rebuild procedures, torque values and full troubleshooting. Whether you are carrying out routine maintenance or a complete overhaul, you get precise factory-level reference at your fingertips. Instant download.