🏷️ Basic Information Identification Make: Mercury MerCruiser Product Name: Number 31 Marine Engines Service Repair Manual Download PDF Model Series: #31 Covered Engine Displacements: 5.0L (305cid), 5.7L (350cid), 6.2L (377cid) 📋 Manual Details Identification Manual Type: Service Repair Manual Language: English Page Count: 1096 Format: PDF Download Requirements Software Requirements: Adobe PDF Reader Features Printable: Yes Searchable: Yes Bookmarked: Yes Delivery Delivery Method: Instant Download ⚙️ Engine Specifications Engine Type Engine Configuration: V8 Displacement 5.0L: 305 cubic inches 5.7L: 350 cubic inches 6.2L: 377 cubic inches Fuel System Carbureted Models: Yes Mpi Models: Yes Cooling System Seawater Cooled: Yes Closed Cooled: Yes Emissions California Emissions: Covered Power Steering Power Steering Pump: Covered 🔧 Transmission Type Sterndrive Transmissions: Alpha, Bravo Inboard Transmissions: Velvet Drive In-Line, Velvet Drive V-Drive, Velvet Drive 5000 Series, ZF/Hurth 630/800 Series, ZF Marine/Hurth 45C In-Line 🔧 Maintenance Scope Maintenance Procedures: Covered Troubleshooting: Covered Engine Rebuild: Complete tear down and rebuild Wiring Schematics: Included Illustrations Diagrams: Hundreds of photos and illustrations, detailed diagrams Specifications: Torque specs, detailed specifications