90-859769R1 Service Manual – 200 & 225 HP Optimax DFI (Year 2000+)

90-859769R1 Service Manual

90‑859769R1 Service Manual is the official factory-issued guide for Mercury/Mariner 200 and 225 HP Optimax engines with Direct Fuel Injection (DFI), covering models from the year 2000 onwards (serial numbers 0G960500 and up)

System Coverage & Compatibility

This R1 revision enhances the original with updated schematics and procedures tailored specifically for late-model Optimax DFI systems—making it a must-have for mechanics and advanced DIYers

Technical Features & Highlights

Inside, you’ll find:

• Comprehensive exploded diagrams and system schematics

• Detailed step-by-step procedures for powerhead removal, fuel injection diagnostics, ignition systems, electrical modules, and control linkages

• Precise torque specifications, recommended maintenance intervals, and expert troubleshooting guidance following Mercury’s professional standards

Formats & Condition

Available in:

• Durable, used printed copies in excellent, intact condition

• Digital PDF versions that offer high-resolution, searchable, and bookmarkable content for easy access

Arizona Outboard Dismantlers supplies authentic marine manuals trusted by professionals and DIY enthusiasts alike. The 90-859769R1 Service Manual equips you with the factory-level precision and clarity needed for reliable, high-performance engine servicing.