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General| Gear Ratio | 2.08 : 1 |
|---|---|
| Starting System | Manual |
| Fuel Induction System | Carburetor |
| Engine Type | 4-stroke |
| Max Output | 4 hp |
| Weight | 27 kg |
| Fuel Tank Capacity | 1.1 L (0.3 US gal) |
| Full Throttle Operating Range | 4000 - 5000 rpm |
| Shaft Length | 15 in |
Crucial safety guidelines to prevent accidents and injuries during maintenance and operation.
Explains the manual's structure, format, and conventions for effective use.
Identifies specific lubricants, sealants, and thread locking agents used in the engine.
Lists essential specialized tools required for performing specific maintenance and repair tasks.
Overview of general features, dimensions, performance, and unit specifications for F4B, F5A, F6C models.
Detailed electrical, fuel system, and power unit specifications critical for diagnostics and performance.
Essential torque values for fasteners to ensure proper assembly and prevent damage or failure.
Explains the CDI ignition system, timing control, and cut-off functions for engine operation.
Details the OHV engine design, decompressor, blowby gas reburning, and optional charging system.
Describes the carburetor, primer pump, and fuel delivery system for optimal engine performance.
Explains the trochoid oil pump, oil flow, and lubrication points for engine longevity.
Illustrates cooling water flow and intake/exhaust gas paths for engine operation and efficiency.
Critical safety and procedural guidelines for mounting the outboard motor onto the boat transom.
Provides exterior dimensions, transom height, and clamp bracket specifications for proper installation.
Step-by-step instructions for safely uncrating and mounting the outboard motor onto the boat.
Guidance on battery requirements and propeller selection for optimal engine and boat performance.
A systematic guide to diagnosing and resolving common outboard motor operational issues.
Addresses specific problems like engine not cranking, not starting, or stalling.
Guides for diagnosing issues with the shift mechanism, gear lubrication, and battery.
Details the location and routing of electrical components and wiring harnesses on the port and top sides.
Procedures for measuring peak voltage and using testers to diagnose electrical component faults.
Instructions for checking the lighting coil, rectifier regulator, and ignition system parts for proper function.
Illustrates fuel hose routing and details parts of the fuel tank, strainer, and primer pump.
Covers the intake silencer, carburetor disassembly, checking, assembly, and adjustments.
Procedures for removing, checking, disassembling, assembling, and installing the fuel pump.
Critical procedures for checking compression, ignition timing, air gap, and valve clearance for engine performance.
Detailed steps for removing, disassembling, checking, assembling, and installing the manual starter.
Procedures for crankcase and cylinder head disassembly, checks, and assembly, including related components.
Details checks and assembly procedures for pistons, rings, bore, crankshaft, connecting rod, and camshaft.
Step-by-step instructions for removing the lower unit and its extension for service.
Procedures for removing, checking, and installing the water pump and shift rod for proper operation.
Details disassembly and assembly of the propeller shaft housing and drive shaft components.
Procedures for checking lower unit air leakage and assembling the extension.
Disassembly, assembly, and adjustment procedures for the tiller handle, throttle controls, and grip.
Procedures for removing and installing the bottom cowling, carrying handle, and related fasteners.
Covers removal, checks, and installation of the upper case, shift lever, and steering friction adjuster.
Details the disassembly and assembly of the clamp bracket, including tilt lock and friction mechanisms.
A schedule of recommended periodic maintenance tasks based on operating hours and time intervals.
Essential inspections performed before delivery to ensure the outboard motor is ready for operation.
Routine checks and servicing for components like anodes, battery, fluids, and engine idle speed.
Step-by-step instructions for changing the engine oil and gear oil to maintain lubrication.
Procedures for adjusting throttle controls, checking top cowling, and verifying propeller, spark plug, and thermostat condition.
Visual representation of the outboard motor's electrical system, including components, colors, and connections.
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