Honda BF5A User Manual

Includes US and Canadian Models
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BF5A
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Honda BF5A Specifications

General

Bore x Stroke	60 mm x 45 mm
HP Rating	5 HP
Cooling System	Water cooled
Fuel Delivery	Carburetor
Starting System	Manual
Gear Ratio	2.08:1
Dry Weight	27 kg
Lubrication	Wet sump
Engine Type	4-stroke
Full Throttle RPM Range	5000 - 6000 rpm
Ignition System	CDI
Exhaust	Above Propeller
Fuel Tank Capacity	1.5 L (0.40 US gal)
Shaft Length	Short (381 mm)
Gear Shift	Forward, Neutral
Trim Positions	4

Summary

OUTBOARD MOTOR SAFETY

IMPORTANT SAFETY INFORMATION

General safety advice and importance of following instructions.

Operator Responsibility

Outlines the operator's duties for safe operation and protection.

Refuel With Care

Safety precautions for handling gasoline and refueling procedures.

Carbon Monoxide Hazard

Warning about the dangers of carbon monoxide from exhaust fumes.

SAFETY LABEL LOCATIONS

Identifies and explains the safety labels placed on the outboard motor.

CONTROLS AND FEATURES

CONTROL AND FEATURE IDENTIFICATION CODES

Explains how to identify model types and feature applications.

COMPONENT AND CONTROL LOCATIONS

Provides a visual diagram identifying key components and controls on the outboard motor.

Portable Fuel Tank

Details the portable fuel tank, including its gauge, vent knob, and hose connections.

Throttle and Gearshift Controls

Explains the operation of the throttle grip, friction knob, and gearshift lever.

Indicators and Other Features

Explains system indicators, rev limiter, anode, and fuel gauge.

INSTALLATION

POWER REQUIREMENTS

Details the horsepower requirements for installing the outboard motor on a boat.

INSTALLATION POSITION

Provides guidance on the correct placement and height of the outboard motor on the transom.

ATTACHMENT

Instructions on how to secure the outboard motor to the boat's transom.

TRANSOM ANGLE ADJUSTMENT

Explains how to adjust the outboard motor's angle for optimal performance.

BEFORE OPERATION

ARE YOU READY TO GET UNDERWAY?

Checklist and knowledge required before starting operation.

Safety Inspection

Lists crucial checks for leaks, fasteners, controls, and parts before operation.

Maintenance Inspection

Lists checks for engine oil, gear case oil, propeller, anode, and more.

OPERATION

SAFE OPERATING PRECAUTIONS

Essential safety guidelines for operating the outboard motor effectively.

STARTING THE ENGINE

Detailed steps for starting the outboard motor correctly.

STOPPING THE ENGINE

Instructions for both normal and emergency engine shutdown procedures.

GEARSHIFTING AND THROTTLE OPERATION

How to shift gears and control engine speed using the throttle grip.

STEERING

How to steer the boat using the tiller handle and adjust steering friction.

SERVICING YOUR OUTBOARD MOTOR

THE IMPORTANCE OF MAINTENANCE

Explains why proper maintenance is crucial for performance and longevity.

MAINTENANCE SCHEDULE

Provides a schedule for regular service and checks based on time or usage.

Spark Plug Service

Instructions for inspecting, gapping, and replacing spark plugs.

REFUELING

Steps for safely refueling the outboard motor and its fuel tank.

Cleaning and Flushing

Procedure for cleaning the outboard motor after use, especially in salt water.

STORAGE

Fuel

Advice on fuel storage, oxidation, and using fuel stabilizer.

STORAGE PRECAUTIONS

Guidelines for selecting a suitable storage area and protecting the motor.

REMOVAL FROM STORAGE

Steps to take when taking the outboard motor out of storage.

TRANSPORTING

WITH OUTBOARD MOTOR INSTALLED ON BOAT

Precautions for trailering a boat with the outboard motor attached.

WITH OUTBOARD MOTOR REMOVED FROM BOAT

How to safely transport the outboard motor when it is removed from the boat.

TAKING CARE OF UNEXPECTED PROBLEMS

ENGINE WILL NOT START

Lists possible causes and corrections for an engine that fails to start.

HARD STARTING OR STALLS AFTER STARTING

Troubleshooting steps for issues with hard starting or stalling.

ENGINE OVERHEATS

Identifies causes and solutions for engine overheating problems.

OIL PRESSURE INDICATOR GOES OFF AND ENGINE SPEED IS LIMITED

Explains the meaning of the oil pressure indicator and limited engine speed.

TECHNICAL INFORMATION

Serial Number Locations

Shows where to find product and engine serial numbers for reference.

Carburetor Modification for High Altitude Operation

Information on adjusting the carburetor for optimal performance at different altitudes.

Emission Control System Information

Details about emission control systems and their compliance.

Specifications

Lists technical specifications for the outboard motor model.

CONSUMER INFORMATION

Honda Publications

Information on owner's manual, shop manual, and parts catalog availability.

Customer Service Information

How to contact Honda for support and address concerns.

Distributor’s Limited Warranty

Details the limited warranty coverage for outboard motors purchased in the US.

Emission Control System Warranty

Explains the warranty coverage for the engine's emission control system.