🏷️ Basic Information Identification Make: Mercury Mariner Product Type: Outboard Motor Service Repair Manual Coverage Model Series: 70, 75, 80, 90, 100, 115 Hp Engine Type: 2-stroke Model Years: 1987-1993 (3-cylinder models), 1988-1993 (4-cylinder models) 📋 Manual Details Availability Format: PDF Download File Type: Not a scanned manual Language Language: English Printing Printable: Yes Compatibility Operating Systems: WINDOWS and MAC Requirements Software: Adobe PDF Reader Content Style Instructional Level: DIY and experienced mechanic Content Detail: Step-by-step instructions based on complete disassembly Visuals: Hundreds of photos and illustrations ⚙️ Engine Specifications 3 Cylinder Models Models Covered: 70, 75, 75 Marathon, 75 XD, 75 SeaPro, 80, 90 Serial Number Us: 0A996142 thru 0D283221 Serial Number Belgium: 09502135 thru 09793576 Serial Number Canada: 0A722297 and above Power Range Hp: 70-90 4 Cylinder Models Models Covered: 100, 115 Serial Number Us: 0B209468 thru 0D283221 Serial Number Belgium: 09523034 thru 09793576 Serial Number Canada: 0A731673 and above Power Range Hp: 100-115 General 3 Cylinder Engine Type: 2-stroke General 4 Cylinder Engine Type: 2-stroke 📄 Manual Content Topics General Information: Included Specifications: Included Electrical And Ignition: Included Fuel System And Carburetion: Included Powerhead: Included Lower Unit: Included Power Trim: Included Outboard Motor Installation: Included Outboard Motor Attachments: Included