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Honda Marine BF8D, Owner'S Manual, Page: 70 / 107

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Honda Marine BF8D Owner'S Manual Download Page 70

68

Portable Fuel Tank and Filter
Cleaning

SERVICING YOUR OUTBOARD MOTOR

TANK FILTER JOINT
(Fuel Connector)

FILTER

Fuel Tank Filter

Fuel Tank

Unscrew the fuel hose connector
by turning it counterclockwise,
then remove the fuel hose
connector and fuel filter from the
tank.

Clean the filter in nonflammable
solvent. Inspect the fuel tank filter
and the connector O-ring. Replace
them if damaged.

Reinstall the filter and hose
connector in the fuel tank. Tighten
the hose connector securely.

Empty the portable fuel tank into an
approved gasoline container. Use a
funnel to avoid spilling fuel. Rinse
the fuel tank with nonflammable
solvent to remove any accumulated
sediment.

3.

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02/03/25 21:02:43 31ZW8A00_069

Summary of Contents for Marine BF8D

Page 1: ......

Page 2: ...onda Motor Co Ltd reserves the right however to discontinue or change specifications or design at any time without notice and without incurring any obligation whatever No part of this publication may...

Page 3: ...is intended to help you avoid damage to your outboard motor other property or the environment We suggest you read the warranty policy to fully understand its coverage and your responsibilities of owne...

Page 4: ...tical or possible to warn you about all the hazards associated with operating or maintaining an outboard motor You must use your own good judgment You will find important safety information in a varie...

Page 5: ...odels equipped with electric starter 16 R Type remote control Ignition Switch 16 Switch Clip and Emergency Stop Switch 17 Fast Idle Lever 18 Gearshift Throttle Control Lever 18 Common Controls Engine...

Page 6: ...URE 32 TRANSOM ANGLE ADJUSTMENT 33 PORTABLE FUEL TANK 34 FUEL HOSE CONNECTIONS 34 FUEL PRIMING 35 STARTING THE ENGINE 35 H Type tiller handle 35 R Type remote control 38 EMERGENCY STARTING 40 STOPPING...

Page 7: ...rication Points 60 Spark Plug Service 61 REFUELING 63 FUEL RECOMMENDATIONS 64 Fuel Pump Filter Inspection and Replacement 65 Portable Fuel Tank and Filter Cleaning 68 Recoil Starter Rope Inspection 69...

Page 8: ...COMES ON AND ENGINE SPEED IS LIMITED remote control type 85 SUBMERGED MOTOR 86 TECHNICAL AND CONSUMER INFORMATION 88 TECHNICAL INFORMATION 88 Serial Number locations 88 Carburetor Modification for Hi...

Page 9: ...feguards to protect people and property Know how to stop the engine quickly in case of emergency Understand the use of all controls Attach the emergency stop switch lanyard securely to the operator St...

Page 10: ...n a well ventilated area with the engine stopped Never smoke near gasoline and keep other flames and sparks away Remove any portable fuel tank from the boat for refueling Keep the portable fuel tank a...

Page 11: ...ain important safety information Please read them carefully These labels are considered permanent parts of your outboard motor If a label comes off or becomes hard to read contact an authorized Honda...

Page 12: ...ion of the Type Codes used in this manual to identify control and feature applications BF8D BF9 9D BFP8D BFP9 9D are provided with the following types according to the shaft length control system and...

Page 13: ...PELLER EXHAUST PORT WATER HOSE JOINT HOLE Inside engine cover FUEL HOSE CONNECTOR SWITCH CLIP ENGINE STOP SWITCH LANYARD STARTER GRIP TILLER HANDLE STERN BRACKET GEAR OIL CHECK BOLT GEAR OIL DRAIN BOL...

Page 14: ...ORT SWITCH CLIP STERN BRACKET GEAR OIL CHECK BOLT GEAR OIL DRAIN BOLT STARTER GRIP WATER HOSE JOINT HOLE Inside engine cover NEUTRAL RELEASE LEVER EMERGENCY STOP SWITCH REMOTE CONTROL FRICTION ADJUSTE...

Page 15: ...13 CONTROLS AND FEATURES FUEL GAUGE VENT KNOB FUEL TANK FUEL HOSE FUEL CAP PRIMING BULB FUEL HOSE CONNECTOR FEMALE 02 03 25 20 52 02 31ZW8A00_014...

Page 16: ...e lanyard should be attached to the operator s PFD Personal Flotation Device or worn around the wrist as shown When used as described the engine stop switch and lanyard system stops the engine if the...

Page 17: ...g the throttle correctly when starting p The throttle friction dial adjusts resistance to throttle grip rotation Turn the dial clockwise to increase friction for holding a throttle setting while cruis...

Page 18: ...he gearshift lever p is in the N neutral position and the clip is in the engine stop switch or the emergency stop switch Press the starter button to operate the electric starter for starting the engin...

Page 19: ...earshift lever p is in the N neutral position and the switch clip is in the emergency stop switch Turning the ignition switch to the OFF position stops the engine The switch clip must be inserted in t...

Page 20: ...e N neutral position Conversely the gearshift throttle control lever will not move unless the fast idle lever is in the lowest position Leave the fast idle lever in the lowest position to provide a ri...

Page 21: ...and selects F forward N neutral or R reverse gears Moving the control lever 30 from N neutral selects the gear and further movement increases engine speed A friction adjuster near the base of the con...

Page 22: ...ROD ADJUSTING ROD R type XH type SH LH type The transom angle adjusting rod limits the tilt angle of the outboard motor when fully lowered The engine cover latch fastens the engine cover to the outboa...

Page 23: ...or to turn more easily More friction helps to hold steady course while cruising or to prevent the outboard motor from swinging while trailering the boat The tilt lever enables the outboard motor to be...

Page 24: ...e controls are also equipped with a buzzer that sounds when the red light comes on Engine overheating may be the result of clogged water intakes If oil pressure becomes low the green light will go off...

Page 25: ...e is equipped with an overrev limiter to prevent the possibility of mechanical damage from excessive engine speed The overrev limiter may be activated during operation limiting engine speed if the out...

Page 26: ...he cap The cap is provided with a vent knob to seal the portable fuel tank for carrying it to and from the boat Open the vent knob 2 or 3 turns before starting the engine p A priming bulb is built int...

Page 27: ...certification plate for recommended maximum horsepower If the certification plate information is not available contact the boat dealer or manufacturer For most applications the outboard motor should h...

Page 28: ...nique to a specific model of boat If the transom needs to be modified to accommodate the outboard motor contact the boat manufacturer and follow their recommendations for corrective action Attach the...

Page 29: ...olt output is intended for battery charging only Lights and electrical accessories for the boat should be connected to the battery The battery should be kept in a corrosion resistant battery box that...

Page 30: ...C receptacle on the holder on the tiller arm The receptacle is provided with a cover which should be attached when the plug is removed in order to keep the receptacle clean and dry The negative batter...

Page 31: ...29 INSTALLATION Be careful to avoid connecting the battery in reverse polarity as that will damage the battery charging system in the outboard motor 02 03 25 20 55 10 31ZW8A00_030...

Page 32: ...e outboard motor and its operation before you get under way Know what to do in case of emergencies Familiarize yourself with all laws and regulations relating to boating and the use of outboard motors...

Page 33: ...heck that all fasteners are in place and securely tightened Check the engine oil level p Running the engine with a low oil level can cause engine damage Check to be sure the propeller is undamaged and...

Page 34: ...dly in an enclosed area and cause illness or death Proper break in operation allows the moving parts to wear in smoothly for best performance and long service life Run the engine at trolling speed Use...

Page 35: ...ilt the outboard motor so it is not resting on the rod Proper adjustment prevents the outboard motor from being trimmed too low p Push the rod in and turn the end of the rod up so the latch will fall...

Page 36: ...om direct sunlight to reduce the possibility of a gasoline vapor explosion To ensure that the outboard motor will be able to draw fuel from the tank place the tank within 6 feet of the outboard motor...

Page 37: ...ueeze the priming bulb several times until it feels firm indicating that fuel has reached the carburetor Put the emergency stop switch clip in the engine stop switch and attach the lanyard to your PFD...

Page 38: ...starting The engine will not start if the gearshift lever is in the F forward or R reverse position Do not turn the throttle grip before starting and align the START position with the pointer for sta...

Page 39: ...e engine starts release the button If the engine fails to start within 5 seconds release the button and wait at least 10 seconds before operating the starter again If the choke knob was pulled to the...

Page 40: ...PFD Personal Flotation Device or to your wrist as shown The engine will not start or run unless the clip is in the switch The emergency stop switch clip and lanyard system is a safety device that will...

Page 41: ...y lowered position To restart a warm engine raise the fast idle lever Fast idle lever cannot be raised unless the control lever is in the N neutral position The control lever cannot be moved away from...

Page 42: ...fully lowered the control lever can be moved away from the N neutral position Before getting under way allow the engine to warm up sufficiently to ensure good performance Above 41 F 5 C warm up the e...

Page 43: ...controls the same as for normal starting see pages Use the choke and fast idle controls if needed Turn the ignition switch key to the ON position Set the knotted end of the emergency starter rope in...

Page 44: ...bly off but install the engine cover p and lock it in place by latching the engine cover latch If it was necessary to remove the emergency stop switch lanyard from your wrist to perform the emergency...

Page 45: ...ULL Move the throttle grip to the slowest speed and control gears to N neutral position To stop the engine in an emergency pull the clip out of the engine or emergency stop switch by pulling the lanya...

Page 46: ...Y When the boat is not in use remove and store the ignition key and the emergency stop switch clip and lanyard Turn the ignition switch key to the OFF position or press the engine stop switch until th...

Page 47: ...ncrease throttle grip friction for holding a constant speed Turn the dial counterclockwise to decrease friction for easy grip rotation To shift gears turn the throttle grip to the SLOW position then m...

Page 48: ...l lever to select F forward N neutral and R reverse gears The control lever cannot be moved from the N neutral position unless the neutral release lever is squeezed Moving the control lever beyond the...

Page 49: ...irection you want the boat to turn Use the steering friction lever to help hold a steady course while cruising Move the lever to the LOCK direction to increase steering friction for holding a steady c...

Page 50: ...oat and improve stability With a tail wind trim the outboard motor up slightly If engine speed becomes unstable at high speed due to activation of the overrev limiter reduce speed and check the trim a...

Page 51: ...to the TILT position then raise the outboard motor to the 30 or 45 position by pulling on the engine cover grip While the outboard motor is tilted proceed at a low speed and do not operate the outboar...

Page 52: ...d or for maximum clearance when beaching or launching tilt the outboard motor to the 71 position Stop the engine before tilting the outboard motor The 71 position is not an operating position Raise an...

Page 53: ...care for your outboard motor the following pages include a maintenance schedule routine inspection procedures and simple maintenance procedures using basic hand tools Other service tasks that are more...

Page 54: ...ould perform a given task Make sure the engine is off before you begin any maintenance or repairs This will eliminate several potential hazards Read the instructions before you begin and make sure you...

Page 55: ...PLIERS TOOL BAG 16 5 mm SOCKET WRENCH SPARE SWITCH CLIP EMERGENCY STARTER ROPE The following tools are supplied with the outboard motor for simple maintenance procedures and emergency repairs An emerg...

Page 56: ...ck Check adjust Check adjust Check adjust Check adjust Replace Check Grease Clean Engine oil Gear case oil Engine oil filter Starter rope Carburetor linkage Idling speed Valve clearance Spark plugs Pr...

Page 57: ...y 6 months or 100 hrs 2 Each use 3 Every 2 years if necessary 2 Battery and cable connection Emission related items Lubricate more frequently when used in salt water These items should be serviced by...

Page 58: ...h securely To remove the engine cover unlatch the engine cover latch then lift the engine cover off the outboard motor The engine cover latch fastens the engine cover to the outboard motor Unlatch and...

Page 59: ...add the engine oil Drain the used oil while the engine is warm Warm oil drains quickly and completely Unlatch and remove the engine cover p Remove the oil filler cap and remove the engine oil drain s...

Page 60: ...n screw see Engine Oil Change on p Unscrew the six bolts and remove the R engine under cover Use a suitable tool to remove the oil filter and throughly drain the filter into the used oil container Cle...

Page 61: ...il viscosity and service classification are in the API label on the oil container Honda recommends that you use API SERVICE category SG SH or SJ oil with the starburst certification mark displayed on...

Page 62: ...s where grease cannot penetrate Apply Honda Marine Corrosion Inhibitor or equivalent to all areas under the engine cover except the belts Wipe the outside of the engine with a cloth dipped in oil Appl...

Page 63: ...he spark plug caps from the spark plugs Remove the spark plugs with a spark plug wrench and screwdriver supplied in the tool kit Inspect the spark plugs Replace them if the electrodes are worn or if t...

Page 64: ...nd to avoid cross threading After each spark plug seats tighten with a spark plug wrench supplied in the tool kit to compress the sealing washer If reinstalling used spark plugs tighten 1 8 1 4 turn a...

Page 65: ...for refueling Check the fuel gauge and refill the tank when necessary Refuel in a well ventilated area Fill the tank to the SAFE FILL LEVEL line After refueling install the cap and tighten it securely...

Page 66: ...e and spark plug deposits and extends exhaust system life Never use stale or contaminated gasoline or an oil gasoline mixture Avoid getting dirt or water in the fuel tank Occasionally you may hear a l...

Page 67: ...ited Warranty If spark knock or pinging occurs at a steady engine speed under normal load change brands of gasoline If spark knock or pinging persists see an authorized Honda marine dealer Running the...

Page 68: ...f the filter is OK reinstall it If water and or sediment are present replace the filter as described in the following steps Always replace the filter at the scheduled replacement interval p Disconnect...

Page 69: ...l be impeded if the filter is installed backward Remove the fuel tube clamps and connect the fuel hose to the outboard motor Check for leaks Install and lock the engine cover To ease tube removal rele...

Page 70: ...lter from the tank Clean the filter in nonflammable solvent Inspect the fuel tank filter and the connector O ring Replace them if damaged Reinstall the filter and hose connector in the fuel tank Tight...

Page 71: ...der to protect the outboard motor Always keep the emergency starter rope on the boat in case the recoil starter rope fails Inspect the recoil starter rope and replace it if it becomes frayed The anode...

Page 72: ...pin ends as shown Before replacing the propeller remove the clip from the engine stop switch to prevent any possibility of the engine being started while you are working with the propeller The propell...

Page 73: ...to remove mud salt seaweed etc Disengage the emergency engine stop switch clip from the engine stop switch and pull the recoil starter rope several times to expel any water remaining in the water pump...

Page 74: ...ropeller from the outboard motor p Damage caused by running the outboard motor without sufficient cooling water is not covered by the Start the engine and run in N neutral at low speed for at least 10...

Page 75: ...blend your storage temperatures and whether the fuel tank is partially or completely filled The air in a partially filled fuel tank promotes fuel deterioration Very warm storage temperatures accelera...

Page 76: ...ontainer or If you need to store fuel in the fuel tank you can extend fuel storage life by filling the fuel tank with fresh gasoline and adding a fuel stabilizer that is formulated for that purpose Fi...

Page 77: ...rter rope several times to distribute the oil in the cylinders Reinstall the spark plugs p Select a well ventilated storage area If possible avoid storage areas with high humidity To carry the outboar...

Page 78: ...ribed in the chapter of this manual If the cylinders were coated with oil during storage preparation the engine may smoke briefly at startup This is normal If storing horizontally be sure to fold the...

Page 79: ...ormal running position if possible and tighten the steering friction lever securely p If there is insufficient road clearance in the normal running position then tilt the outboard motor and use a moto...

Page 80: ...ine dealer or refer to the shop manual Battery connections loose or corroded Fuse s burnt out Starter malfunction switch malfunction or electrical problem in the starting circuit Clean and tighten bat...

Page 81: ...less engine is warm p Fast idle lever raised side mount type Throttle grip not in START position tiller handle type Turn throttle grip to START position p Choke OPEN tiller handle and manual choke typ...

Page 82: ...malfunction fuel pump failure ignition malfunction stuck valves etc Refuel p Squeeze priming bulb p Replace fuel filters p Replace or repair faulty components as necessary Fuel vent closed portable fu...

Page 83: ...is warm p Throttle grip not in START position tiller handle type Fast idle lever raised side mount type Fuel vent closed portable fuel tank Fuel hose not primed Fuel pump filter or fuel tank clogged...

Page 84: ...Water intake screens clogged Clean water intake screens ENGINE OVERHEATS Possible Cause Correction Carburetor malfunction fuel pump failure ignition malfunction etc Replace or repair faulty components...

Page 85: ...recoil starter or the emergency starter rope The ignition switch is protected by the 20 ampere fuse If the fuse burns out the engine will not start or run Fuse Replacement With the engine stopped rem...

Page 86: ...ation system If the throttle is closed suddenly after full throttle operation engine speed may drop below the specified idle rpm and that could activate the engine protection system momentarily If low...

Page 87: ...ates the engine protection system idle the engine in neutral and check the cooling system indicator If water is flowing from the cooling system indicator continue idling for 30 seconds If the cooling...

Page 88: ...r if the used engine oil showed signs of water contamination then a second engine oil change should be performed after running the engine for half an hour Drain the carburetors as described on p Remov...

Page 89: ...gain As soon as possible take the outboard motor to an authorized Honda Marine dealer for inspection and service If the engine starts and no mechanical damage is evident continue to run the engine for...

Page 90: ...e serial numbers in the space provided on this page You will need these numbers when ordering parts and when making technical or warranty inquiries p The product identification number is stamped on a...

Page 91: ...buretor air fuel mixture will be too rich Performance will decrease and fuel consumption will increase A very rich mixture will also foul the spark plugs and cause hard starting High altitude performa...

Page 92: ...line containing up to 10 ethanol by volume Gasoline containing ethanol may be marketed under the name Gasohol Methyl Tertiary Butyl Ether 15 by volume You may use gasoline containing up to 15 MTBE by...

Page 93: ...tems to reduce the emissions of carbon monoxide oxides of nitrogen and hydrocarbons EPA regulations require all manufacturers to furnish written instructions describing the operation and maintenance o...

Page 94: ...frequent service The emission control systems on your Honda engine were designed built and certified to conform with EPA emission regulations We recommend the use of genuine Honda parts whenever you h...

Page 95: ...ine A Star label was applied to this outboard motor in accordance with the requirements of the California Air Resources Board for healthier lifestyle and environment burns up to 30 40 percent less gas...

Page 96: ...uivalent to the U S EPA s 2006 standards for marine engines The two star label identifies engines that meet the Air Resources Board s 2004 exhaust emission standards Engines meeting these standards ha...

Page 97: ...0 035 in 0 80 0 90 mm 24 0 in 610 mm ULTRA LOW EMISSION 1 4 US qt 1 3 1 1 Imp qt 0 301 US qt 0 285 0 251 Imp qt Automotive unleaded gasoline 86 pump octane or higher No other adjustment is needed 0 17...

Page 98: ...9 1 lbs 49 5 kg 117 9 lbs 53 5 kg 24 0 in 610 mm 1 4 US qt 1 3 1 1 Imp qt 0 301 US qt 0 285 0 251 Imp qt ULTRA LOW EMISSION Automotive unleaded gasoline 86 pump octane or higher See page 62 See shop m...

Page 99: ...tomer Relations Office You can write Marine Division Customer Relations Office 4900 Marconi Drive Alpharetta Georgia 30005 8847 Or telephone 770 497 6400 When you write or call please give us this inf...

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Page 103: ...COMPONENT AND CONTROL LOCATIONS 11 CONSUMER INFORMATION 97 CONTROLS 14 CONTROLS AND FEATURE IDENTIFICATION CODES 10 CONTROLS AND FEATURES 10 Cooling System Indicator 23 CRUISING 48 Electric Starter Bu...

Page 104: ...TOR READY TO GO 30 Lubrication Points 60 MAINTENANCE SAFETY 52 MAINTENANCE SCHEDULE 54 MOORING BEACHING LAUNCHING 50 Oil filter Change 58 Oil Pressure Indicator R type H type 22 OIL PRESSURE INDICATOR...

Page 105: ...BOARD MOTOR 51 SHALLOW WATER OPERATION 49 Spark Plug Service 61 Specifications 95 Star Label 93 STARTING THE ENGINE 35 H Type tiller handle 35 R Type remote control 38 STEERING 47 H Type tiller handle...

Page 106: ...OF MAINTENANCE 51 Throttle Friction Dial 15 Throttle Grip 15 Tilt Lever 21 TOOL KIT AND EMERGENCY STARTER ROPE 53 Transom Angle Adjusting Rod 20 TRANSOM ANGLE ADJUSTMENT 27 33 TRANSPORTING 77 WITH OU...

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