🏷️ Basic Information Identification Make: Mercury Mercruiser Model: MCM 3.0L Alpha Year: 1998 Generation: Gen 26 Serial Number Range: OL010042 and Above 📋 Manual Details Product Info Product Name: Mercury Mercruiser #26 Marine Engines GM 4 Cylinder 181 cid (3.0L) Service Repair Manual Download PDF Manual Type: Service Repair Manual Language: English Page Count: 422 Format: PDF Requirements: Adobe PDF Reader Downloadable: Yes Compatibility: All Versions of Windows & Mac Illustrative Content: Detailed diagrams, manufacturers specifications, photos, and illustrations Target Audience: Dealers and Service Mechanics Benefit: Save money by doing own repairs, step-by-step instructions ⚙️ Engine Specifications General Engine Type: GM 4 Cylinder Displacement: 181 cid (3.0L) Block Type: Cast Iron Fuel Delivery: MerCarb 2-Barrel Carburetor Ignition System: Electronic Ignition Charging System: Alternator Cooling System: Seawater Cooled / Closed Cooled 🔧 Transmission Drive Type Drive: Alpha Drive 🔧 Maintenance General Maintenance Sections: General Information, Maintenance, Troubleshooting Repair Procedures: Disassembly, Assembly, Inspection, Adjustment