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General| Horsepower | 25 hp |
|---|---|
| Cylinders | 2 |
| Fuel System | Carburetor |
| Cooling System | Water-Cooled |
| Gear Ratio | 2.08:1 |
| Starting System | Manual |
| Shaft Length | 20 in |
| Fuel Type | Gasoline |
| Fuel Tank Capacity | 12 L |
| Steering | Tiller |
Details on locating and identifying the engine serial number stamped on the outboard motor body.
Essential safety precautions including fire prevention, ventilation, protection, and genuine parts.
Lists and descriptions of tools and instruments required for service procedures.
Procedures for inspecting the outboard motor before delivery to the customer.
Guidelines for the initial break-in period to ensure proper component seating.
Steps for conducting a test run after service or assembly.
Post-test checks to ensure proper operation and identify any issues.
Provides detailed dimensional specifications for the outboard motor and its components.
Details regarding the fuel injection system, including ECU fuel feed.
A diagram illustrating the engine's lubrication system flow.
A diagram showing the components and flow of the cooling water system.
Comprehensive technical specifications for various models and performance parameters.
Specific maintenance data and tolerances for engine parts.
Crucial torque specifications for fasteners during assembly and service.
Guidance on where and which sealants to apply during assembly.
Lists and illustrates special tools required for maintenance tasks.
Outlines the recommended inspection intervals and items.
Detailed procedures for inspecting various components like fuel system, engine oil, gear oil, water pump, timing belt, and spark plugs.
Lists specialized tools required for fuel system diagnostics and service.
Illustrates the routing of fuel, vent, breather, and cooling water hoses.
Exploded views and part identification for the fuel system components.
Details the Electronic Control Unit's role, configuration, and control functions.
Explains the ignition system's configuration and operation.
Identifies and describes the key components of the fuel feed system.
An overview of the air intake system and its related components.
Procedures for inspecting various parts of the fuel supply system, filters, pumps, and connectors.
Lists specialized tools needed for power unit maintenance and inspection.
Provides detailed exploded views of engine components and their identification.
Comprehensive list of inspection and maintenance procedures for engine components.
Lists specialized tools required for lower unit service and disassembly.
Exploded views and identification of parts within the gear case, drive system, and water pump.
Detailed procedures for inspecting and servicing lower unit components like gears, water pump, and propeller shaft.
Lists specialized tools required for bracket and PTT system service.
Wiring diagram and layout for the Power Trim and Tilt (PTT) system.
Exploded views of drive shaft housing, swivel bracket, and PTT components.
Procedures for inspecting throttle, steering, PTT unit, and related bracket components.
Lists specialized tools for electrical system testing and diagnostics.
Visual identification of electrical components from different views.
Exploded views of magneto, ECU, starter motor, and fuel system electrical parts.
Detailed explanation of the ignition system and ECU's control functions.
Information on injectors, ISC valve, and fuel sensors within the fuel control system.
Procedures for inspecting and troubleshooting the starting system components.
Inspection procedures for the alternator and rectifier.
Details on the ECU coupler and terminal identification for wiring.
A comprehensive list of common engine problems, their probable causes, and initial checks.
Troubleshooting flowcharts for starting system, ignition, fuel, lubrication, and cooling systems.
Troubleshooting steps for PTT unit operation and capability issues.
Setup, hardware connection, and operating procedures for the 3AC diagnostic system for ECU analysis.
Instructions for installing remote control cables and components for the outboard motor.
Guidelines for selecting and installing marine meters and batteries.
Information on warning indications and basic operational procedures.
A chart detailing wire colors and terminal connections for various electrical components.
Wiring diagram specific to MF and MFG models, showing component connections.
Wiring diagram specific to EF, EFG, and EFT models, detailing electrical connections.
Wiring diagram specific to EP, EPG, and EPT models, illustrating system wiring.
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