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General| Engine Type | 4-Stroke SOHC |
|---|---|
| Cylinders | 3 |
| Full Throttle Operating Range | 5000-6000 rpm |
| Starting System | Electric |
| Lubrication System | Wet sump |
| Exhaust | Through propeller |
| Max Power | 50 HP |
| Fuel Induction System | EFI |
| Alternator Output | 17A |
| Cooling System | Water-cooled |
| Steering | Remote |
Guide on understanding manual format, symbols, and procedures for effective service.
Explanation of symbols used for data, lubricants, and sealants in diagrams.
Essential safety procedures to prevent accidents and injuries during service.
Information on how to identify applicable models and locate serial numbers.
Overview of key features and advantages of the Dorado 50 EFI and 60 EFI outboard motors.
Details on specific features like fuel system, solenoid valve, electronic control system, etc.
Guide on selecting the correct propeller size and type for optimal performance and engine life.
Essential checks to ensure smooth and efficient delivery of the outboard motor.
Detailed specifications including dimensions, weight, performance, and power unit type for various models.
Specifications for power unit, cylinder head, cylinders, pistons, rings, camshaft, valves, etc.
Lists specified torque values for various parts and fasteners across different systems.
List and identification of specialized tools required for maintenance and adjustments.
Guideline for recommended maintenance intervals based on operating hours and time.
Procedures for checking fuel joints, hoses, filters, pumps, and the vapor separator.
Steps for checking engine oil, timing belt, spark plugs, thermostat, and cooling water passages.
Procedures for checking engine idle speed and adjusting throttle/shift operations.
Guidance on checking gear oil levels, changing gear oil, and inspecting the propeller.
Checks for anodes, battery, and lubrication of the outboard motor.
Tools required for fuel system diagnostics and service.
Diagrams illustrating the correct routing for fuel, blowby, and cooling water pilot hoses.
Exploded view and parts list for the fuel filter and fuel pump assembly.
Diagrams and parts list for the intake manifold, including sensors and throttle body.
Exploded views and procedures for disassembling, checking, and assembling the vapor separator.
List of specialized tools for power unit maintenance and repair.
Details on compression pressure, oil pressure, and valve clearance checks.
Steps for disassembly, checking, and assembly of cylinder head components like valves and camshafts.
Procedures for checking and assembling pistons, rings, crankshaft, and bearings.
Steps for removing and installing the exhaust cover and related components.
Essential tools for lower unit disassembly, assembly, and adjustment.
Procedures for removing and disassembling the lower unit, including water pump and propeller.
Steps for removing, disassembling, and assembling the propeller shaft housing and its components.
Procedures for disassembling and assembling the drive shaft, forward gear, and lower case.
Methods for selecting and installing shims for pinion and forward gear adjustments.
Steps to measure and adjust gear backlash for forward and reverse gears.
Tools required for bracket unit service and repair.
Procedures for checking, assembling, and lubricating the tiller handle and its components.
Steps for removing and installing the bottom cowling and related parts.
Detailed steps for disassembling and assembling the upper case and its components.
Procedures for removing, installing, and adjusting the steering arm assembly.
Steps for removing, installing, and adjusting clamp brackets and the swivel bracket.
Procedures for removing, disassembling, checking, and assembling the power trim and tilt unit.
Steps for disassembling, checking, and assembling the power trim and tilt motor.
Detailed steps for disassembling, checking, and assembling the gear pump.
Procedures for disassembling, checking, and assembling tilt and trim cylinders.
Checks for fuses, relays, and switches related to the power trim and tilt system.
Tools required for electrical system diagnostics and testing.
Procedures for measuring peak voltage and lower resistance of electrical parts.
Diagrams showing the location of electrical components from various views.
Checks for ignition spark, plug wires, coils, ECM, pulser coil, and sensors.
Procedures for checking injectors, electric fuel pump, relays, and solenoid valve.
Steps for checking fuses, starter relay, and starter motor components.
Procedures for checking the stator coil and Rectifier Regulator.
Tools required for troubleshooting engine malfunctions.
Introduction to the diagnostic system features, functions, and contents.
Steps for diagnosing the electronic control system using flash patterns and codes.
Flowcharts for diagnosing engine starting issues and performance problems in the power unit.
Flowcharts for diagnosing issues with the power trim and tilt unit operation.
Schematic illustrating the electrical connections for various outboard motor models.
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