🏷️ Basic Information Identification Make: Mercury Mercruiser Model: #13 Marine Engines GM 4 Cylinder Model Variant: MCM 3.0L / 3.0LX Production Years: 1990-1997 Serial Number Start Mcm 3 0L: OC856451 And Above Serial Number Start Mcm 3 0Lx: OC868143 And Above 📋 Manual Details Manual Information Manual Type: Service Repair Manual Language: English Page Count: 348 Format: PDF Availability: Instant Download Features: • Printable • Searchable • Bookmarked Compatibility Operating Systems: • Windows • Mac • APP ISO • iPhone • iPod • Android ⚙️ Engine Specifications Engine Configuration Engine Type: GM 4 Cylinder Engine Displacement: 181 C.I.D. (3.0L) Engine Details Engine Family: GM In-Line Fuel System: MerCarb 2-Barrel Carburetor Cooling System: Seawater Cooled / Closed Cooled Ignition System: Covered in Section 4 Starting System: Covered in Section 4 Charging System: Covered in Section 4 Power Steering: Covered in Section 7 🔧 Maintenance General Maintenance Maintenance Coverage: Covered in Section 1B Troubleshooting Coverage: Covered in Section 1C Repair Scope: Complete tear down and rebuild, maintenance, troubleshooting