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Parsun F5BM User Manual

Parsun F5BM
93 pages
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PARSUN OUTBOARD ENGINE
SERVICE MANUAL
F4BM (F5BM)
SUZHOU PARSUN POWER MACHINE CO., LTD.
https://www.boat-manuals.com/

Table of Contents

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Parsun F5BM Specifications

General IconGeneral
Engine Type2-Stroke
Power Output5 HP
Starting SystemManual
Gear Ratio2.08:1
Max. Output5 HP
Full Throttle RPM Range4500-5500 RPM
Cylinders1
Gear ShiftF-N-R
Fuel Tank Capacity1.3 L

Summary

Notice

General Information

Identification

Locating and identifying the outboard motor serial number.

Propeller Selection

Guidance on choosing the correct propeller for optimal engine performance.

Emergency Start

Procedure for starting the engine using an emergency start cable.

Safety While Working

Essential safety procedures to follow during maintenance and repair.

Disassembly and Assembly

Principles to follow when disassembling and assembling engine parts.

One-Time Use Parts

List of parts that must be replaced after a single use during reassembly.

Pre-Delivery Check

Inspection steps to ensure the engine is ready for use before delivery.

Special Tools and Detection Device

Tools and devices required for maintenance and repair procedures.

Explosive Drawing and Symbol

Visual representation of parts and common symbols used in the manual.

Specifications

Outboard Engine Specifications

Detailed technical specifications for the outboard engine.

Recoil Starter

Notice

Important notices regarding servicing the recoil starter.

Explosive Drawing

Exploded view of the recoil starter assembly.

Disassembling

Step-by-step instructions for disassembling the recoil starter.

Start Rope Replacement

Procedure for replacing the starter rope.

Disassembling and Inspection

Detailed disassembly and inspection of recoil starter components.

Assembling

Steps for reassembling the recoil starter.

Installation

Instructions for installing the recoil starter onto the engine.

Ignition System

Notice

Safety notices for working on the ignition system.

Explosive Drawing

Exploded view of the ignition system components.

Wiring Diagram

Electrical wiring diagram for the ignition system.

Spark Plug Ignition

Procedure for checking spark plug ignition.

Spark Plug Cap

Inspection and replacement of the spark plug cap.

Flywheel Maintenance

Maintenance procedures for the engine's flywheel.

Ignition Coil Inspection

Procedures for inspecting the ignition coil's voltage and resistance.

Fuel System

Notice

Safety notices related to the fuel system due to flammability.

Explosive Drawing

Exploded view of the fuel system components.

Fuel Tank Removal and Inspection

Procedures for removing and inspecting the fuel tank.

Oil Switch Removal and Inspection

Removal and inspection of the oil switch.

Fuel Joint Removal and Inspection

Removal and inspection of the fuel joint.

Fuel Pump Removal and Inspection

Procedures for removing and inspecting the fuel pump.

Intake System Removal and Inspection

Removal and inspection of the intake system components.

Power Unit

Notice

Safety notices to prevent accidental starting of the engine.

Explosive Drawing

Exploded view of the power unit components.

Disassembling Power Unit from Outboard Engine

Steps to detach the power unit from the outboard engine.

Disassembling and Inspection

General procedures for disassembling and inspecting the power unit.

Cylinder Cover

Disassembly and inspection of the cylinder cover and its components.

Crankcase

Disassembling

Steps to disassemble the crankcase.

Breather

Inspection and cleaning of the breather system.

Piston

Measuring piston diameter and checking for wear.

Cylinder Bore

Measuring cylinder bore diameter and calculating limits.

Piston Pin Diameter

Measuring piston pin outside diameter.

Piston Ring

Measuring piston ring end gap and side clearance.

Camshaft Decompressor

Inspecting the camshaft decompressor, gear, and weight.

Crankshaft

Measuring crankshaft runout and oil clearance.

Valve Lifter

Inspecting and measuring valve lifter diameter.

Oil Splash Gear

Inspecting the oil splash gear unit.

Crankshaft Bearing

Inspecting crankshaft bearings for wear or damage.

Oil Seal Housing

Inspecting oil seal housing and O-rings for damage.

Crankcase and Crankcase Cover

Inspecting crankcase cover and cooling water passage.

Full Installation

Procedures for the full installation of engine components.

Piston Connecting Rod Installation

Installing the piston, connecting rod, pin, and circlip.

Piston Ring Installation

Installing piston rings correctly.

Piston Installation

Installing the piston using a slider tool.

Upper Unit

Top Cowling

Explosive drawing and disassembly/inspection of the top cowling.

Bottom Cowling

Explosive drawing and disassembly/inspection of the bottom cowling.

Steering Handle

Explosive drawing and disassembly/inspection of the steering handle.

Bracket

Explosive drawing and disassembly/inspection of the bracket assembly.

Lower Unit

Water Pump Assembly

Explosive drawing and disassembly/inspection of the water pump.

Lower Unit

Explosive drawing for the lower unit.

Common Troubles and Solutions

Starter Will Not Operate

Troubleshooting steps for when the starter fails to operate.

Engine Will Not Start (Starter Operates)

Troubleshooting steps for when the engine won't start after the starter engages.

Engine Idles Irregularly or Stalls

Troubleshooting steps for irregular idling or stalling.

Engine Power Loss

Troubleshooting steps for when the engine experiences a loss of power.

Engine Vibrates Excessively

Troubleshooting steps for excessive engine vibration.

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