🏷️ Basic Information Identification Make: Mercruiser Marine Engines Brand: Mercury Marine Engine Family: 4 Cylinder Covered Models Model Name: MCM 3.7 Litre LX Alpha One Serial Number Range: 0B775249 and Above Drive Type: Alpha One 📋 Manual Details Format File Format: PDF Compatibility Operating Systems: All Versions of Windows & Mac Language Language: English Requirements Reader Software: Adobe PDF Reader Features Printability: All pages are printable ⚙️ Engine Specifications Engine Type Engine Configuration: 4 Cylinder Fuel Delivery: Carbureted (typical for this era) Cooling System: Raw Water or Closed Cooling (manual covers) Displacement Displacement: 3.7 Litre Power Horsepower Mcm170: 170 HP Horsepower Mcm165: 165 HP Horsepower Mcm190: 190 HP Horsepower Mcm180: 180 HP 🔧 Transmission Drive Type Drive Options: MR, Alpha One 🔧 Maintenance Service Sections Service Coverage: Removal and Installation, Engine Mechanical, Electrical Systems, Fuel Systems, Cooling and Exhaust, Power Steering