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General| Fuel System | Carburetor |
|---|---|
| Starting System | Manual |
| Gear Ratio | 2.08 (27/13) |
| Full Throttle RPM Range | 4500 - 5500 rpm |
| Ignition System | CDI |
| Lubrication | Wet sump |
| Max Output | 3.7kW / 5 hp @ 5, 500 rpm |
| Weight | 27 kg |
| Oil Capacity | 0.4 L |
Important safety precautions and procedures for operating and maintaining the engine.
Guide on understanding the manual's format, symbols, and conventions.
Explains symbols used for lubricants, sealants, and thread locking agents in diagrams.
Lists and illustrates specialized tools recommended for safe and effective service procedures.
Details general features, overall design, and specific model designations.
Provides dimension, weight, performance, and technical specifications for power and lower units.
Lists technical specifications for ignition timing, CDI unit, and charging systems.
Details specifications for the fuel system, including fuel joint and primer pump.
Covers technical specifications for the engine's power unit, including carburetor and starter.
Provides technical specifications for the lower unit assembly, including gears and shafts.
Lists specific torque values for various parts and assemblies across different systems.
Provides general torque specifications for standard fasteners based on size.
Explains the CDI ignition system, timing control, and cut-off functions.
Describes the OHV engine, decompressor, blowby gas system, and optional charging system.
Details the carburetor design, operation at different speeds, and built-in primer pump functionality.
Explains the trochoid oil pump and the engine oil flow for lubrication.
Describes the incorporated reverse lock system that prevents tilting up in reverse.
Illustrates the flow of engine oil for lubrication of various engine components.
Shows the path of cooling water through the engine for temperature regulation.
Illustrates the flow of air and fuel mixture into the engine and exhaust gases out.
Covers warnings and general guidelines for safely mounting the outboard motor onto a boat's transom.
Provides detailed exterior dimensions and transom height specifications for the outboard motor.
Details the steps for safely removing the outboard motor from its shipping crate.
Explains the process and considerations for properly mounting the outboard motor for optimal performance.
Offers advice on battery requirements and other setup considerations for optimal operation.
Guides the user on selecting the correct propeller size and type for optimal boat and engine performance.
Provides systematic procedures for diagnosing and resolving common engine problems and malfunctions.
Illustrates the location and routing of electrical components and wiring harnesses on the port and top sides.
Details methods for testing electrical components using peak voltage measurements and digital testers.
Explains how to check the lighting coil and Rectifier Regulator for proper function.
Covers procedures for checking the ignition spark, spark plug cap, and engine shut-off switch.
Shows the correct routing for fuel, blowby, oil return, and cooling water hoses.
Details the components and procedures for removing, checking, and installing the fuel tank assembly.
Covers procedures for removing, installing, and adjusting the intake silencer and related throttle components.
Explains carburetor operation, disassembly, checking, and assembly for optimal fuel mixture.
Details procedures for removing, checking, disassembling, and assembling the fuel pump.
Covers checks and adjustments for compression, ignition timing, CDI air gap, and valve clearance.
Details procedures for removing, disassembling, checking, and assembling the manual starter mechanism.
Provides steps for removing and installing the complete power unit assembly onto the lower unit.
Covers procedures for removing and installing the flywheel magnet, including CDI unit checks.
Details procedures for removing, checking, and installing the crankcase, oil pump, and related components.
Covers removal, disassembly, checking, refacing, and assembly of the cylinder head and its components.
Details disassembly, checking, and assembly of the cylinder block, pistons, rings, crankshaft, and camshaft.
Provides an overview of the lower unit and procedures for its removal and checking.
Details procedures for removing, checking, and installing the water pump and shift rod components.
Covers removal, disassembly, and assembly of the propeller shaft housing and related gears.
Details procedures for removing, disassembling, checking, and assembling the drive shaft and lower case.
Details disassembly, assembly, and adjustment procedures for the tiller handle assembly.
Covers disassembly and assembly procedures for the bottom cowling, including related components.
Details removal, checking, and installation procedures for the upper case and shift lever mechanisms.
Provides procedures for disassembling and assembling the clamp bracket for mounting the motor.
Introduces the importance of periodic checks and maintenance, and provides an interval chart.
Lists essential checks to be performed before delivery to ensure smooth operation and customer satisfaction.
Details routine maintenance tasks, including checking various systems and changing fluids.
Provides a wiring diagram and legend symbols for electrical system connections.
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