Mercury Mariner Outboard Service / Repair Manual Covers - 20 Jet 20 25hp, 25hp Marathon 25hp SeaPro Motors Starting With Serial Numbers - 0G044027 Above This manual is the same as the manual used by workshops. Service Manual contains detailed instructions and step by step diagrams for all workshop procedures. Contains 340 Pages - Including Carburetor - Fuel Pump - Charging and Starting Systems - Clamp Swivel Bracket - Emissions - Gear Housing - General Information - Ignition - Jet Drive - Maintenance - Manual Starter - Outboard Motor Installation - Power head - Side Shift - Specifications - Throttle Shift Linkage - Tiller Handle - Timing Synchronizing Adjusting - Wiring Diagrams Manual Covers - 20hp Jet 25hp Models 2 Stroke 25hp Marathon Models 2 Stroke 25hp SeaPro 2 Stroke The PDF file of this service manual or user guide is owned TheBestManualStore