This service manual contains maintenance and repair procedures for Mercury Mariner Outboard 30 40 2 cylinder. Models covered: 30/30 Marathon/30 Sea Pro/40/40 Marathon/40 Sea Pro Serial Numbers: US 0G044027 and above Belgium 09855139 and above This manual is specifically written for the do-it-yourselfer as well as the experienced mechanic.It provides step-by-step instructions based on the complete disassembly of the machine. It is this level of detail, along with hundreds of photos and illustrations, that guide you through each service and repair procedure. This is not a scanned service repair manual. More manuals at: THIS MANUAL CONTAINS: -important information -electrical -fuel system -powerhead -Mid-section -lower unit -attachments/control linkage -manual starter Language: English Printable: Yes File Format: PDF Compatibility: WINDOWS and MAC Requirements: Adobe PDF Reader