Honda BF45A Owner'S Manual Download

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Summary of Contents for BF45A

Page 1: ...Includes 31ZV360S supplement for the BF45A LHTA ...

Page 2: ......

Page 3: ...ous injury or death WILL result if instructions are not followed B Indicates a strong possibility that serious injury or death may result if instructions are not followed w Indicates a possibil ity that minor injury could result if instructions are not followed NOTICEI Indicates that equipment or property damage could result if instructions are not followed Honda Outboard Motors aredesigned to giv...

Page 4: ... this manual Model BF35 BF45 S Short Shaft L Long Shaft X Extra Long Shaft H Tiller Handle R Remote Control T Power Trim Tilt The gas assisted tilt type motors use a gas damper to assist when manually tilting the motor The power trim tilt type motors use an electric hydraulic power cylinder to trim or tilt the motor 2 ...

Page 5: ...mber when ordering parts and when mak ing technical or warranty inquiries seepage99 STARTER MOTOR ENGINE SERIAL NUMBER The Product Identification Number is stampedon aplate andattachedto the right stem bracket The Engine Serial Number is stampedon the cylinder block under the startermotor which is located in the front of the engine Product identification number Engine serial number 3 ...

Page 6: ...remote control lever 20 Power tilt switch motor pan 21 Trim meter 21 Tachometer 21 Manual relief valve 22 Gas assisted tilt type Tilt lever 22 Controls instruments common Tilt lock lever 23 Trim tab 23 Anode metal 24 Cooling systemindicator 24 Water intakes 25 Transom angle adjusting rod 26 Fuel cap gauge vent knob 27 Engine over rev limiter 27 4 PRE OPERATION CHECKS Engine cover removal installat...

Page 7: ...62 Over rev limiter 64 Power trim warning system Anodes El Shallow water operation 66 High altitude operation 67 7 STOPPING THE ENGINE Tiller handle type 68 Remotecontrol type 70 8 TRANSPORTING 9 CLEANING AND FLUSHING 10 MAINTENANCE 74 Tool kit and spareparts 74 Maintenance schedule 76 Engine oil 78 Gear oil 80 Sparkplugs 82 Battery not included 83 Lubrication 85 Engine fuel filter 86 Fuel tank an...

Page 8: ... SAFETY SAFETY LABELS These labels are in the locations shown They warn you of potentia1 hazardsthat could seriously injure you Readtheselabels carefully EXTREMELY FLAMMABLE Frn 4 MI ICan INLWunr DANGER ...

Page 9: ...d motor familiarize yourself with all laws andregulations relating to boating andthe useof outboard motors l Do not attemptto modify the out board motor l Always wear PERSONAL FLOTATION DEVICE PFD when on board l Do not remove any guards labels shields covers or safety devices they areinstalled for your safety Fire and Burn Hazards Gasoline is extremely flammable and gasoline vapor can explode Use...

Page 10: ...ERN BRACKET I Mi ACCESS COVER ENGINE START M 0 ANTI VENTILATION c D ATE r THROTTLE OVERHEAT INDICATOR LIGHT ENGINE STOP l CH _____ FRICTION KNOB l l l WATER INTAKE RIM TAB WASH PLUG I I Y YL u Flush plug PROPEL1 XR CHOKE KNOB I EMERGENCY STOP SWITCH EMERGENCY LANYARD STOP SWITCH CLIP SPARE EMERGENCY STOP SWITCH CLIP GEAR OIL DRAIN PLUG 8 ...

Page 11: ...EASE LEVER OIL PRESSURE V INDICATOR STEERING I I COOLING e r In CHOKE FAST IDLE LEVER STERN BRACKET INDICATOR TRANSOM ANGLE SPARE EMERGENCY ENGINE OIL MANUA RELIEF VALVE GEAR OIL LEVEL PLUG ACCESS COVER ETAL GEAR HAUST PORT BNTHATION __ r EMERGENCY STOP hAIN I ENGINE EMERGENCY STOP SWITCH SWITCH LANYARD WA rwn m EMERGENCY STOP SWITCH CLIP DRAIN PLUG PROPELLER 9 ...

Page 12: ...2 COMPONENT IDENTIFICATION VENT KNOB FUEL GAUGE FUEL CAP I FiJEL HOSE CONNECTOR FEMALE PRIMER BULB POWER TRIM TILT TYPES TACHOMETER TRIM METER 10 ...

Page 13: ...gearshift lever is in the N neutral position Shift Lever R reverse N SHIti LEVER There arethree gearshift lever posi tions F forward The boat movesforward N neutral The transmission gears aredisengagedfrom the engine R reverse The boat reverses Choke Knob CHOKk KNOB When the engine is cold pull the choke knob A rich fuel mixture is provided to the engine by pulling the choke knob 11 ...

Page 14: ...arrow increasesengine speed Throttle opening indicator THROTTLE OIPENING INDICATOR The curve on the grip indicates throttle opening Throttle Friction Knob RELEASE Usethe throttle friction knob to setthe throttle grip at a certain position while cruising Turning the friction knob clockwise setsthe throttle grip and it is releasedby turning the friction knob counterclockwise 12 ...

Page 15: ...y in the event the operator should fall overboard or away from the con trols The emergencystop switch clip must be engagedwith the engine stop switch or the engine will not start When the emergencystop switch clip becomesdisengagedwith the engine stop switch the engine will stop imme diately ENGINE STOP SWITCH EMERGENCY STOP SWITCH LANYARD Attach the emergency stop switch lan yard securely to the ...

Page 16: ...l pressureindicator light is normally ON when the outboard motor is running When the engine oil level is low or the engine lubrication systemis faulty the green oil pressureindicator light turns OFF and the engine speeddecreases gradually Overheat Indicator Light OVERHEAT INDICATOR LIGHT When the engine cooling systemis faulty the red overheat indicator light turns ON and the engine speed decrease...

Page 17: ... the F position approximately 30 from the N position will engagethe forward gear Moving the lever further from the F position will increasethe throttle opening andthe boat for ward speed N neutral The engine idles andthe transmis sion gearsaredisengaged R reverse Moving the lever to the R position approximately 30 from the N position will engagethe reverse gear Moving the lever further from the R ...

Page 18: ...unless the neutral releaselever is pulled up Ignition Switch The remote control box is equipped with akey type ignition switch Key positions START To activatethe startermotor andstart the engine the remote control lever mustbein the neutralposition ON To run the engine after starting the battery will discharge if the key is left in this position with the engine not running OFF To stop the engine I...

Page 19: ...stop switch or the engine will not start When the emergencystopswitch clip becomesdisengagedfrom the emer gency engine stop switch the engine will stop immediately The emergencyengine stop switch should not be usedto normally stop the engine Usethe ignition switch to normally stopthe engine Attach the emergencystop switch lan yard securely to the operator when operating the outboard motor SPAkE EM...

Page 20: ...emote control lever will not move unless the choke fast idle lever is in the lowest position IDLE LEVER Lift and hold the choke fast idle lever up fully this will provide a rich fuel mixture and the correct fast idle Gradually lower the choke fast idle lever to the lowest position to decrease the choke and fast idle Manual Choke Knob CHOKE tiOB A manual choke knob is provided on the right side of ...

Page 21: ... OFF and the buzzer sounds when the oil level is low and or the engine lubrication systemis faulty The engine speedslows down gradual ly Overheat Indicator Light Buzzer The red overheat indicator light turns ON and the buzzer soundswhen the engine cooling systemis faulty The engine speedslows down gradually 19 ...

Page 22: ...the tilt angle of the motor for shallow water operation beaching launching from a trailer or mooring TRIM TILT SWITCH I I picziq Excessive trim tilt angle during operaUion can cause the pro peller to raise out of the water and cause propeller ventilation and engine over revving Excessive trim tilt angle can also damage the water pump XRTA type outboard Power Trim Do not trim this engine when you a...

Page 23: ...only be oper atedwith the boat being stoppedand motor off Trim Meter TRIM METER The trim meter hasarange of 0 to 20 and indicates the trim angle of the out board motor Refer to the trim meter when using the power trim tilt switch to achieve proper boat performance Tachometer TACHOMETER The tachometershowsthe approxi mateengine speedin revolutions per minute Refer to the tachometerwhen using the po...

Page 24: ... operating in reverse LEFT STERN BRACKET MANUAL POWER m rel 1 I MANUAL RELIEF VALVE Do not turn this screw If this screw is turned hydraulic oil will bleed out of the power trim tilt system Should this happen it will be necessaryto consult your authorized Honda Marine dealer and have the system refilled Tilt Lever GAS ASSISTED TYPE Moving the tilt lever to the FREE position allows the motor to bet...

Page 25: ...e steering wheel or tiller handle right or left adjust the trim tab so that an equal amount of effort is required Distribute the load evenly in the boat and run the boat in straight courseat full throttle Slightly turn the steering wheel or tiller handle for both right and left turns to determine if an equal amount of effort is required If adjust ment is necessaryloosen the tighten ing bolt and tu...

Page 26: ...ect the outboard motor from corrosion ANODi stem bracket Painting or coating the 1 NoTlCq anodes will lead to rust and corro sion damage to the outboard motor Cooling System Indicator COOiING SYSTEM INDICATOR The cooling system is monitored here to make surecooling water is circulat ing through the engine 24 ...

Page 27: ...3 CONTROLS INSTRUMENTS ctimmon Water Intakes The engine cooling water is drawn into the water pump through these water intakes WATiR INTAKES 25 ...

Page 28: ...ward to be sureit is locked in place Start with the transom angle adjusting rod in the hole closestto the boat tran TRANSOM ANGLE TO CHANGE ADJUSTING ROD I UNLOCKED POSITION 1 I J TO LOCK LOCKED POSITION som lower the motor and operatethe boat at full speed If the bow is exces sively low stopthe boat Tilt the motor up and raise the transom angle adjust ing rod one more hole away from the transom a...

Page 29: ...line vapor can explode causing serious injury or death Do not smoke or allow flames or sparks in your working area KEEP OUT OF REACH OF CHILDREN Over Rev Limiter This outboard motor is equipped with an engine over rev limiter which limits the maximum engine r pm This over rev limiter protectsthe engine from mechanical damage The over rev limiter may be activated by putting the propeller in a light...

Page 30: ...ver Removal Installation FRONT REAR ENGINE COVER To remove releasethe front and rear engine cover latches and remove the engine cover To install position the engine cover over the engine and hook and lpck the front and rear latches 28 ...

Page 31: ...rea SAE 1OW30 is recommendedfor gen eral all temperature use SAf TEMP 3 20 40 60 20 10 0 10 20 30 40 Inspection 1 Position the outboard motor verti cally andremove the engine cover 2 Removethe oil level dipstick and wipe with a cleanrag 3 Reinsert the dipstick all the way in then pull it out and readthe level If the oil registers nearor below the lower level mark remove the oil filler capand fill ...

Page 32: ...area KEEP OUT OF REACH OF CHILDREN VENTKNOB FUEL CAP Refilling Remove the fuel tank from the boat for refilling Turn the vent knob coun terclockwise to the open position and remove the fuel cap Refuel in a well ventilated area Fill the fuel tank up to the SAFE FILL level mark only Inspect the condition of the fuel capgasketand replace if necessary After refilling install and tighten the fuel cap s...

Page 33: ... loads This is no cause for concern it simply meansyour engine is operating efficiently GASOLINES CONTAINING ALCOHOL If you decide to useagasoline con taining alcohol gasohol be sureits octanerating is at leastashigh asthat recommendedby Honda There are two types of gasohol one containing ethanol and the other containing methanol Do not usegasohol that contains more than 10 ethanol Do not usegasol...

Page 34: ...er is available consult an authorized Honda Marine dealer Refer to page90 for propeller change information 32 I PROPELLER Cotter Pin Check the cotter pin for damageand correct installation If the cotter pin needsreplacementuseonly a new genuine Honda stainlesssteelcotter pin Steering Friction Adjustment common II r0 DECREASE G Jpz Operatethe steering wheel or tiller handle right and left and check...

Page 35: ...stration above Replaceany missing items 4 The anodesfor damage looseness or excessivecorrosion The anodeshelp to protect the out board motor from corrosion any time they areexposeddirectly to the water 3 G 10 x 17 mnt WRENCH Other Checks I mm WRENCH r J 9 FLAT SCREWDRIVER PHILLIPS sCREWDRIVER c_s C TT OIL CHECK SCREWDRIVER STARTER ROPE PLIERS c 13 SCREWDRIVER HANDLE Bg J 18 x 19 mm WRENCH Replacet...

Page 36: ...feet below the outboard end fuel hose connector Inspect the condition of the fuel cap gasket fuel hose and the O ring seals in the fuel hoseconnectors Replace the fuel cap gasket hose or fuel con nectors if they arecracked damaged or leak fuel Be surethe fuel hoseis not kinked 1 Connect the fuel hoseconnectors to the fuel tank and the outboard motor Install the outboard end fuel hoseconnector with...

Page 37: ... the outlet end is higher than the inlet end The arrow on the primer bulb points upward Squeezethe primer bulb severaltimes until it feels firm indicating that fuel has reachedthe carburetors Check for fuel leaks andrepair any leaks before starting the motor Do not squeezethe primer bulb when the motor is running becausethis could causethe carburetorsto over flow 35 ...

Page 38: ...h er end of the emergency stop switch lanyard securely to the operator SPARE EMERGENCY STOP SWITCH CLIP A spare emergency stop switch clip is provided nearthe enginestopswitch m lf the operator does not attach the emergency stop switch lanyard and is thrown from his seat or out of the boat the out of control boat can seri ously injure the operator pas sengers or bystanders Always properly attach t...

Page 39: ...is low pull the choke knob 5 Pressthe startbutton and startthe engine The startermotor con sumesa large amount of current Do not run it continuously for more than 5 secondsat atime If the engine doesnot startwithin 5 sec onds wait at least 10 secondsbefore using the startermotor again iGTiiq Do not press the start but ton while the engine is running This can damage the starter motor and flywheel 3...

Page 40: ...emby monitoring the cooling systemindicator The amount of water coming out of the cooling system indicator will vary due to thermostat operation Stop the engine if water doesnot come out of the cooling system indicator or if you seesteam Check the water intake screensand the cooling systemindicator dischargeport and if necessaryremove any obstructions If the problem continues contact your closest ...

Page 41: ...oil pressure indicator light doesnot mm ON Check the engine oil level seepage 29 If the oil level is normal and the oil pressureindicator light does not turn ON contact your closest authorized Honda Marine dealer 9 Warm up the engine asfollows Above 41 F 5 C run the engine for 2 or 3 minutes Below 41 F YC run the engine for at least5 minutes at approximately 2 000 rpm Failure to completely warm up...

Page 42: ...anyard securely to the operator If the operator does not attach the emergency stop switch lanyard and is thrown from his seaQor out of the boat the out of control boat can seri ously injure the operator pas sengers or bystanders Always properly attach the lanyard before starting the motor The engine will not start unless the emergency stop switch clip is engaged with the emergency engine stop swit...

Page 43: ...n turn the ignition key to the START position andreleasethe key when the engine starts The starter motor consumes alarge amount of current Do not run it continuously for more than 5 secondsat a time If the engine doesnot start within 5 secondswait at least 10seconds before using the startermotor again m Do not turn the ignition key to the start position while the CHOKE FAST IDLE LEVER engine is ru...

Page 44: ...da Marine dealer m Running the outboard motor with an obstruc tion in the cooling system can damage the water pump and overheat the engine OIL PRESSURE INDICATOR LIGHT NORMAL GREEN LIGHT ON BNORMAL GREEN LIGHT BLINKING 7 With the engine running check to seeif the greenengine oil pressureindicator light turns ON Stop the engine if the oil pressureindicator light doesnot turn ON Check the engine oil...

Page 45: ...ystemwill not startthe engine the engine canbe startedby using the pull starterrope from the tool kit 1 Releasethe front and rear engine cover latchesthen remove the engine cover 2 Remove the four 6 x 25 mm bolts and the three washersthen remove the flywheel cover Do not lose the washers 43 ...

Page 46: ...neutral position REMOTE CONTROL TYPE ENGINE STOP SWITCH EMERGENCY STOP SWITCH SPARE EMERGEN STOP SWITCH CLIP 4 If your outboard motor is a tiller handle type engagethe emergency stop switch clip located at one end of the emergency stop switch lan yard with the engine stop switch A spare emergency stop switch clip is provided near the engine stop switch 44 ...

Page 47: ...op switch clip located at one end of the emergencystop switch lanyard with the emergency engine stop switch SPARE MEKGENCY STOPSWITCHCLIP A spareemergencystopswitch clip is provided on theremotecontrol box CHOkEIiNOB TILLERHANDLETYPE 6 If the engine is cold or the ambient temperatureis low pull the manual choke knob located on the front of the outboard motor 45 ...

Page 48: ...ke knob out ENGINE START SYMBOL POIN TER I THROTTLE GRIP TILLER HANDLE TYPE 7 On the tiller handle type align the engine start symbol QI on the throttle grip with the puinter on the tiller handle On the remote control type lift the choke fast idle lever The choke fast idle lever will stay up in the fast idle position n CHOKFJFAST REMOTE CONTROL TYPE 46 ...

Page 49: ...its initial position 11 Slowly return the throttle grip to the SLOW position or the choke fast idle lever to the lowest position to wherethe engine does not stall parts can caussinjury Use extreme care when installing the engine cover Do not oper ate the outboard motor without the engine cover 12 Leavethe flywheel cover off and reinstall the engine cover Lock the engine cover latches Attach the em...

Page 50: ...switch clip is not engaged 2 Out of fuel 3 Vent knobnot open 4 Primerbulb hasnot beensqueezed 5 Engine flooded REMEDY 1 jet shift lever in neutralposition 2 Replacefuse referto page89 3 Startby using starter rope referto page43 1 Engagetheemergency stopswitch clip referto page13and 17 2 Supply fuel referto page30 3 Openvent knob referto page35 4 Squeeze primer bulb to supply fuel referto page35 5 ...

Page 51: ...utes Run the outboard motor up to a maximum of 2 000 to 3 000rpm or 10 to 30 throttle opening Next 60 minutes Run the outboard motor up to maxi mum of 4 000 to 5 000 rpm or 50 to 80 throttle opening Short bursts of full throttle areacceptable but do not operatethe motor contin uously at full throttle Next 8 hours Avoid continuous full throttle oper ation 100 throttle opening Do not run the outboar...

Page 52: ...on the throttle grip to decreaseengine speed N neutral 63 R reverse INhICATOR The throttle mechanism is designed to limit the throttle grip travel when operating in the REVERSE or NEU TRAL positions The throttle grip can only be turned to the FAST position when operating in forward gear 2 Put the tilt lever in the LOCK posi tion to prevent the outboard motor from tilting up when operating in rever...

Page 53: ...ou want the boat to turn Cruising THROTkLE GRIP RELEASE With the gearshift lever in the F for To setthe throttle at a steadyspeed ward position turn the throttle grip turn the throttle friction knob clock toward the FAST mark to increase wise To releasethe throttle grip for speed For optimum fuel economy manual speedcontrol turn the friction limit throttle opening to 2 3 knob counterclockwise 51 ...

Page 54: ...l lever 30 toward F forward or 30 toward R reverse to engagethe desired gear Moving the control lever further from 30 will increasethrottle opening and boat speed N neutral I 30 R reverse The control lever will not moveunless the neutral releaselever is pulled up and choke fastidle lever is in the lowest position 52 ...

Page 55: ... the power trim tilt switch and tilt the motor to the lowest position N neutral I 2 Move the control lever from N neutral 30 toward F forward to engagethe F forward gear Moving the control lever further from 30 will increasethe throttle opening and boat speed 3 For optimum fuel economy limit throttle opening to 2 3 53 ...

Page 56: ...efrom hitting the bottom when beaching or stopping in shallow water 1 Move the gearshift lever to the N neutral position and stopthe engine 54 i d PUSH SWITCH ENGINE COVER GRIP TILT LEVER 2 To tilt the motor up move the tilt lever to the FREE position then pull the engine cover grip and raise the motor ...

Page 57: ...LOCK position to lock the motor 4 To lower the motor back down move the tilt lever to the FREE position while holding the engine cover grip then lower the motor gently Move the tilt lever to LOCK position The tilt lever mustbein theLOCK position beforeoperatingthemotor or themotorcould tilt up whenoperating in reverse 55 ...

Page 58: ...ge55 then pull the engine cover grip and tilt the motor all the way up 2 Move the tilt lock lever to theLOCK position and lower the outboard motor slowly 3 Move the tilt lever to the LOCK position 4 To lower the motor move the tilt lever to the FREE position Lift up on the engine cover grip and swing the tilt lock lever to the free posi tion 5 Lower the engine gently Move the lever to the LOCK pos...

Page 59: ...bestposition for the cruising conditions The power trim tilt systemoperates when the switch is pressed andit stops when the switch is released POWER TRIM TILT SWITCH PressUP to raise bow Press DN to lower bow CONTROL LEVER I Excessive trim tilt angle during operation can causethe pro peller to raise out of the water and causepropeller ventilation and engine over rewing Excessive trim tilt angle ca...

Page 60: ...er indicates the trim angle of the motor Refer to the trim meter and pressthe UP or DN portion of the power trim tilt switch to adjust the motor trim angle to achieve boat performance and stability BOWTOOLOWDUETO I LOADIN THEFRONT 2 MOTORTRIMMEDTOOLOW BOW TOO HIGH DUE TO I LOAD IN THE REAR 2 MOTORTRIMMEDTOOHIGH With the motor trimmed low the trim meter will readasshown To raise the bow increasethe...

Page 61: ... tilt system Should this happenit will be necessaryto contact your closestauthorized Honda Marine dealer andhave the systemrefilled If the power trim tilt switch will not tilt the outboard motor the motor can be manually tilted up or down by operating the manual relief valve To tilt the outboard motor manually turn the manual relief valve under the left stem bracket no more than lsor 2 turns count...

Page 62: ... the tihlock lever to the LOCK position and lower the out board motor until the lock lever contactsthe stem bracket refer to page23 It may be necessary to lift the engine cover grip slightly to swing the tilt lock lever into the LOCK position 3 To lower the motor tilt the motor up slightly move the tilt lock lever to the FREE position and lower the motor to the desiredposition 60 ...

Page 63: ...r handle for both right and left turns to determine the amount of effort required If lesseffort is required to makeleft tums Loosen the trim tab tightening bolt andturn the rear end of the trim tab toward the left Tighten the bolt securely If lesseffort is required to makeright tums Loosen the trim tab tightening bolt and turn the rear end of the trim tab toward the right Tighten the bolt securely...

Page 64: ...the red overheat indicator light will turn ON A continuous buzzer will sound on the remote control type The engine speedcan not be increased with a larger throttle opening until the malfunction is corrected When the malfunction is corrected the engine speedwill increasegradually TILLER HANDLE TYPE INDICATOR LIGHTS REMOTE CONTROL TYPE Buzzer Remote control type I Normal 1 ON 1 OFF I I Abnor mal Low...

Page 65: ...STEM INDICATOR When the overheat warning systemis activated 1 Return the gearshift lever or control lever to the N neutral position 1immediately Check to seeif water is flowing out of the cooling system indicator 2 If water is flowing out of the cool ing systemindicator continue idling for 30 seconds If the over heat warning systemstopsafter 30 secondsthe systemis normal If the motor is turned off...

Page 66: ... rev limiter is activated 1 Reducethe throttle opening immedi ately and check the trim angle 23 the trim angle is correct but the over rev limiter staysactivated stopthe engine and check the con dition of the outboard motor and check the propeller for damage Correct or service asnecessary Power llim Warning System If the motor trim angle is more than 20 and the control lever is moved more than 40 ...

Page 67: ...switch 2 Immediately reducethe throttle opening to SLOW and operatethe engine at low speed Anodes The anodesarea sacrificial material which helps to protect the outboard motor from corrosion INoTICE Painting or coating the anodes will lead to rust and corrosion damage to the outboard motor Therearealso2 smallsacrificial anodes in the waterpassages of theengine block 65 ...

Page 68: ...efer to pages54 and 57 With the motor tilted up operatethe motor at low speed Monitor the cooling systemindicator for water discharge Be surethat the motor is not tilted sohigh that the water intakes are out of the water If an excessive amount of throttle is usedwhen operating in forward gear the motor will return to the transom angle adjusting rod Gasassistedtilt type 66 If the motor trim angle i...

Page 69: ...ltitudes higher than 6 000 feet above sealevel have your authorized Honda Marine dealerperform thesecarbure tor modifications Even with suitable carburetorjetting engine horsepower will decrease approximately 3 5 for each 1 000 foot increasein altitude The effect of altitude on horsepowerwill be greater than this if no carburetor modification is made w Operation of the out board motor at an altitu...

Page 70: ...p switch clip from the engine stop switch by pulling the emergencystop switch lan yard It is agood ideato stop the engine with the emergency stop switch lanyard from time to time to be sure that the switch is operating properly Normal Engine Stop 1 Turn the throttle grip to SLOW position and move the gearshift lev er to N neutral GEA RSHIFF LEVER N 68 ...

Page 71: ...7 STOPPING THE ENGINE TILLER HANDLE TYPE ENGINE STOP SWITCH 2 Pushthe engine stop switch until the engine stops 69 ...

Page 72: ...gine stop switch by pulling the emergency stop switch lanyard It is agoodideato stoptheenginewith theemergencystopswitch lanyard from time to time to besurethat the switch is operatingproperly Normal Engine Stop N neutral 1 Move the control lever to the N neutral position and turn the igni tion key to the OFF position IGNITION KE 2 When the boat is not in use remove and storethe ignition key 70 ...

Page 73: ...side movement Horizontal transport or storage Rest the motor on the caseprotectors CASE PROTEbTORS If there is insufficient road clearance with the motor in the normal run position then trailer the motor in the tilted position using a motor support bar refer to your motor support bar manu facturer s instructions or remove the motor from the boat When you place the outboard motor horizontally to tr...

Page 74: ...T COUPLER B KeeD children and pets away from ihe area and stay clear of all moving parts during this procedure 3 Remove the sealing washerfrom the wash plug and install the sealing washer on the flush kit coupler 4 Install the flush kit coupler into the WASH plug hole and connect a fresh water hoseto the flush kit coupler 5 Move the gearshift lever or control lever to the N neutral position Blush ...

Page 75: ...icient it may be necessaryto temporarily cover the three water intakes with duct tape 8 Allow the engine to run at idle for at least5minutes to clean the inside of the motor 9 Stop the motor andremove the flush kit coupler lO Remove the sealing washerfrom the flush kit coupler and install the sealing washeron the washplug If tapewasusedto coverthethreewater intakesin step7 removethetapenow 11Jnsta...

Page 76: ...n an enclosed or confined area Exhaust contains poisonous carbon monoxide gas exposure can cause loss of consciousness and may lead to death NOTICEI Running the outboard motor without sufficient cooling water will damage the water pump and overheat the engine To maintain the cooling systemeffi ciency flush the outboard motor with fresh water after operating in salt water or dirty water Make sureth...

Page 77: ...parts aresupplied with the outboard motor for maintenance adjustment and emergencyrepairs TOOL KIT 10 x 12 mm WRENCH 8 mm WRENCH FLAT SCREWDRIVER PHILLIPS SCREWDRIVER OIL CHECK SCREWDRIVER STARTER ROPE PLIERS C 0 3 SCREWDRIVER HANDLE TOOL BAG 18 x 19 mm SOCKET WRENCH 75 ...

Page 78: ...10 MAINTENANCE MAINTENANCE SCHEDULE Use only genuine HONDA parts or their equivalent for maintenanceor repair Replacementparts which arenot of equivalent quality may damagethe motor ...

Page 79: ... 0 Cable connection Check tightness 0 Bolts and Nuts Check tightness O 2 EACH USE 0 FIRST 20 HRS OR MONTH EVERY 100 HRS OR 6MONTHS 0 NOTE 1 Lubricate more frequently when usedin salt water 2 Theseitems should be serviced by an authorized Honda Marine dealer unless the owner hasthe proper tools and is mechanically proficient Seethe Honda ShopManual 3 For professional commercial use log hours of ope...

Page 80: ...ceschedulepage76 OIL CAPACITY 2 1 US qt 2 0 lit When oil filter is not replaced 2 5 US qt 2 4 lit When oil filter is replaced Recommendedoil SAElOW 30 engine oil or equivalent API Service classification SG SF CC CD Engine Oil Replacement Drain the oil while the engine is still warm to assurerapid and complete draining 1 Position the outboard motor verti cally and remove the engine cover Remove the...

Page 81: ... cover 3 Placethedrain plug coverasshown to useit asanoil drain guide Placea suitablecontainerundertheguide 4 Remove the engine oil drain bolt and washerusing a 12mm wrench anddrain the engine oil 5 Install a new sealing washeron the drain bolt andtighten the bolt secure1 y 6 Reinstall the drain plug cover 79 ...

Page 82: ...otor oil in amannerthat is compatiblewith the environment We suggestyou takeit in a sealedcontainerto your local service stationreclamationcenter Do not throw it in the trash pour it on theground down adrain or into thewater Gear Oil Oil check interval Every 100hours Oil change interval After the first 20 hours then every 100hours Refer to the mainte nanceschedulepage81 OIL CAPACITY 0 53 US qt 0 5...

Page 83: ...er GEAR OIL BOTTLE A gear oil bottle is recommended to fill the gear case The end of the drain plug is a mag net Remove all metal particles from the end of the drain plug before reinstalling Do not reinstall the drain plug in the level plug hole 3 Use new sealing washersandrein stall the level plug and drain plug securely Gear Oil Change 1 Position the outboard motor verti cally 2 Remove the level...

Page 84: ... Allow the engineto cool The spark plugs will be hot if the engine has been running 2 Remove the engine cover PLUG CAPS v 3 Disconnect the sparkplug caps from the sparkplugs 4 Usethe wrench and screwdriver supplied in the tool kit to remove the sparkplugs 5 Check the sparkplugs Replacethe sparkplugs if there is apparent wear or if the insulators are crackedor chipped Clean the spark plugs with a w...

Page 85: ...e securely tightened A loose spark plug can becomevery hot and may causeengine damage Overtightening the spark plugs can damage the threads Battery not included Minimum requirements 12V 70AHmarinecrankingbattery Maintenance interval Referto themaintenanceschedule page77 andyour batterymanufac turer s instructionsfor servicing or recharginginformation Checkthebatterycablesto be sure they are secure...

Page 86: ... your local poison control center or physi cian immediately Battery cleaning B Batteries produce exDlosive hydrogen gas A spark or ilame can explode the battery causing serious Injury or blind ness Provide adequate ventila tion Keep sparks and flames away Follow the procedure below carefully Removal 1 Disconnect the negative battery cable first then disconnect the posi tive battery cable 2 Removet...

Page 87: ...securely 3 Coat the battery terminals and cable endswith marine grease 4 Securethe corrosion resistant bat tery box properly in the boat To keeppotential sparksaway from the fuel tank do not securethe battery nearthe fuel tank Lubrication Lubrication interval After the first 20 hours then every 100hours Refer to the maintenance schedule page 76 1 Apply marine anticorrosion greaseto the following p...

Page 88: ...mable and gaso line vapor an explode causing serious injury or death Do not smoke or allow flames or sparks in your working area KEEP OUT OF REACH OF CHILDREN Always work in awell ventilated area Make sure that any fuel drained from the outboard motor is storedin an approved gasoline container Be care ful not to ill any fuel when replacing the filter Spilled fuel or fuel vapor may ignite If any fu...

Page 89: ...fuel filter Beforeremoving thefuel filter to preventfuel leakage placefuel hose clampson thefuel hosesateachsideof thefuel filter ARROW Fuel Flow Direction 2 Install the new fuel filter sothe arrow on the fuel filter points toward the fuel pump Fuel flow will bereducedif thefuel filter is installed backward 3 Connect the fuel hosesto the fuel filter securely with the hoseclips Remove the fuel hose...

Page 90: ...200 hours Refer to the maintenance schedulepage77 Inspect the condition of the fuel cap gasket fuel hose and the O ring seals in the fuel hose connectors Replace the fuel cap gasket hose or fuel con nectors if they arecracked damaged or leak fuel Be surethe fuel hoseis not kinked Fuel Tank Cleaning 1 Disconnect the fuel hosefrom the fuel tank extremely flammable and gaso line vapor can explode cau...

Page 91: ...is blown running theengine will not chargethebatteryandthe electric starterwill not work RUSERATING 15A Never usea fuse with a different rat ing from that specified If the fuse is blown check the cause then replacethe fuse with a sparefuse of the samerated capacity Unless the causeis found the fuse may blow again FUSE COVER Replacement 1 Stopthe engine 2 Remove the engine cover 3 Pull the blown fu...

Page 92: ...her 10mm special spline washer propeller and thrust washer COTTER PIN stainless Installation Install the thrust washer with the grooved side toward the gear case then install the new propeller in the reverse sequence of removal Hand tighten the castle nut until the 4 mm cotter pin can be installed If necessary tighten the castle nut just enough to align the hole with the groove in the nut Use a ne...

Page 93: ...ng area KEEP OUT OF REACH OF CHILDREN DRAIN SCREW 2 Loosen the carburetor dram screws drain the contents of the carburetors into an approved gasoline container then tighten the dram screws 3 Disengagethe emergencystop switch clip from the emergency stopswitch andremove the spark plugs EMERGENCY STAR ERROPE 4 Remove the flywheel cover follow ing the emergencystarting proce dure refer to page43 andr...

Page 94: ...engine be surethe water level is at least2 inches abovethe ventilation plate l If the engine fails to start remove the spark plugs clean and dry theelectrodes then reinstall the spark plugs and attempt to startthe engine again l If the engine starts and no mechanical damageis evident continue to run the engine for a I 2 hour or longer l If there waswater in the engine crankcase or the usedengine o...

Page 95: ...vapor may ignite If any gasoline is spilled make sure the areais dry before storing or trans porting the motor Do not smokeor allow flames or sparkswhere gasoline is drained or stored DRAIIi SCREW 1 Disconnect the fuel hoseconnector 2 Pull the 3 carburetor drain hose outside of the motor pan 3 Loosen the drain screwof the 3 carburetor and dram the carburetor Catch the draining gasoline in an appro...

Page 96: ...torethe outboard motor in a well ventilated areafree from direct sunlight and humidity Vertical transport or storage Attach the stem bracket to stand CASE PROTECTORS Horizontal transport or storage Restthe motor on the caseprotectors lNoTlCE Improper transport or storage can damage the motor or cause oil leakage 94 ...

Page 97: ...Sparkplug gap is small sparlcpluggap sparks Weak startermotor rotation Normal Recheck the fuel system spark Sparkplug E Contamination is faulty Incorrect gap Broken sparkplug llE Pulsercoil is faulty Currentleaksfrom high tensioncord C D I unit is faulty Exciter coil is faulty Ignition coil is faulty Wire harnessis faulty Currentleaksfrom enginestop switch cord Stopswitchdoesnot return satisfactor...

Page 98: ...ter is clogged Air screwis opentoo L wide Idling speedis too slow Carburetorvent is clogged Fuel pumpis faulty Air in fuel pump Air entersthrough fuel line connector Air entersthrough primer bulb Engine overheats Normal sparking 1 iE Waterintake screens areclogged Sparkplug is not of speci fied rating Waterpump is faulty Thermostat is clogged Thermostat is faulty Watertube or passage is clogged Ex...

Page 99: ...apacity Engine 2 5 US qt 2 4 lit Gear case 0 53 US qt 0 5 lit D C output BSAG BLAG 12V 6A BAPU 12V 1OA Cooling system Water cooling with thermostat Exhaust system Thru hub Spark plugs DRIIEA X22ESR U Fuel pump Diaphragm type Fuel Automotive gasoline 91 researchoctane 86 pump octane Tank capacity 6 6 US gal 25 lit Gear change Forward Neutral Reverse dog type Steeringangle 37 5 right and left Transo...

Page 100: ...13 SPECIFICATIONS API standard SG SF CC CD 98 ...

Page 101: ...ent contacttheHonda PowerEquipmentCustomerService Office You canwrite to American Honda Motor Co Inc HondaPowerEquipmentDivision CustomerServiceOffice 4475River GreenParkway Duluth GA 30136 2565 Or telephone 404 497 6400 We will needthe following informa tion in order to assistyou You name address and telephone number Product model and serial number Date of purchase Dealer nameand address Nature o...

Page 102: ...to assist you please discuss your concerns with the dealer management such as the Service Manager or the dealership s owner If you need to contact American Honda regarding your experiences with your Honda product or with your dealer please send your comments to the following address American Honda Motor Co Inc Marine Division Customer Relations Office 4900 Marconi Drive Alpharetta GA 30005 8847 Or...

Page 103: ...15 WIRING DIAGRAM TILLER HANDLE TYPE ml r rra pW r 100 ...

Page 104: ...15 WIRING DIAGRAM REMOTE CONTROL TYPE s ...

Page 105: ...15 WIRING DIAGRAM REMOTE CONTROL POWER TRIM TILT TYPE P XRTA type outboard I I I I I I I I I I I I I I I I I I I I I I L A 102 ...

Page 106: ...ting 43 Emergency stop switch lanyard Tiller handle type 13 Remotecontrol type 17 Engine cover removal installation 28 Engine fuel filter 86 Engine Oil Level check 29 Change 78 Pressureand overheat warning system 62 Over rev limiter 27 Startbutton 11 Stop switch 13 Fuel Cap gauge ventknob 27 Level 30 Line connection 34 Tank andfilter 88 Fusereplacement 89 Gasoline containing alcohol 31 Gearoil 80 ...

Page 107: ...s 6 Shallow water operation 66 Shift lever 11 Sparkplug 82 Specifications 97 Starting the engine Remotecontrol type 40 Tiller handle type 36 Steering 51 Friction adjustment common 32 Stem bracket Pre operationcheck 33 Stopping the engine Remotecontrol type 70 liller handle type 68 Storage 94 Submergedmotor 91 Tachometer 21 Throttle Friction knob 12 Grip 12 Opening indicator 12 Tilt lever 22 Tilt l...

Page 108: ...16 INDEX Trim tab adjustment 61 Troubleshooting 95 Starting problems 48 Warranty service 99 Waterintakes 25 Wiring diagram 100 105 ...

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Page 113: ...HONDA mmwnr BF35A145A Owner s Manual 1 I 1 I I 1 1 I SUPPLEMENT 1993 American Honda Motor Co inc All Rights Reeerved I I I I I I I I I I I I I I ...

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Page 115: ...them at any time and be sure they accompany the outboard motor if you sell it We recommend that you mad the warranty policy to fully understand your rights and nxponsibilities The warranty policy is a separate docu ment provided by your dealer The information in this publication was in effect at the time of approval for printing American Honda Motor Co Inc merves the right to discon tinue or chang...

Page 116: ...sisted Power Trim Tachometer Trim Meter Short I m2 Control Tilt Tilt BF35 SHA l 0 0 LHA 0 0 0 LRA 0 0 a I BF45 S Short Shaft L Long Shaft H Tiller Handle R Remote Control T Power TkQI ilt The gas assisted tilt type motors use a gas damper to assist when manually tilting the motor The power trim tilt type motors use an electric hydraulic power cylinder to trim or tilt the motor 2 ...

Page 117: ...the engine 10 Emergency starting 10 6 OPERATION Motor protection system Power trim warning system 11 Shallow water operation 11 7 STOPPING THE ENGINE Tillerhandle powertrim tilttype 12 10 MAINTENANCE Auxiliary fuse replacement 13 15 WIRING DIAGRAM 14 d l 17 OPTIONALPARTS 15 The sections required no changes from the BF35A 45A owner s manual I se sections ate not covered in this supplement The NON H...

Page 118: ...2 COMPONENT IDENTIFICATION LHTA POWER TILT SWITCH BUZZER ...

Page 119: ...rter motor and start the engine the shift lever must he in the neutral position ON To run the engine after starting The battery will discharge if the key is left in this position with the engine not running OFF To stop the engine IGNITION OFF Emergency Engine Stop Switch EMERGENCY ENGINE STOP SWITCH The emergency engine stop switch should not be used to normally stop the engine Use the ignition sw...

Page 120: ... tor to achieve maximum boat accel eration speed stability and maintain optimum fuel c43nsumption Power Tilt Press the power trim tilt switch to adjust the motor tilt angle of 20 to 6o By using the power trim tilt switch the operator can change the tilt angle of the motor for shallow water opera tion beaching launching from a trailer or mooring FOOT SWITCH Tiller Handle Switch 6 POWER TRIM TILT SW...

Page 121: ...r off Tachometer TRIMMETER TACHOMETER m The trim meter has a range of 0 to 20 and indicates thb trim angle of the outboard motor Refer to the trim meter when using the power trim tilt switch to achieve proper boat performance The tachometer shows the approxi mate engine speed in revolutions per minute Refer to the tachometer when using the power trim tilt switch to achieve proper boat and motor pe...

Page 122: ...lockwise using a screw driver After tilting the motor turn the manual relief valve clock wise securely The manual relief valve must be tightened securely before operating the motor or the motor could tilt up when operating in reverse LEmSTERNBRACKET MANUAL I MANUALI ELIEFVALVE Do not turn this screw If this screw is turned hydraulic oil will bleed out of the power trim tilt system Should this happ...

Page 123: ... tiller handle right and left and check for the amount of drag felt Tighten the adjuster until the steer ing operates comfortably and safely Check the steering friction adjust ment with the motor trimmed in all trim angle positions The steering ef fort will change with various trim an gles ...

Page 124: ...sumes a large amount of cumznt Do not run it continuously for more than 5 sec onds at a time If the engine does not start within 5 seconds wait at least 10 seconds before using the starter motor again 1 NOTICE 1Donottumtheigni tion key to the start position while the engine is running This can dam age the starter motor and flywheel Emergency Starting The steps for emergency starting the BF45A LHTA...

Page 125: ... and or throttle are in any position When the power trim warning sys tem is activated 1 Reduce the trim angle to less than 20 if possible 2 Reduce the throttle opening to SLOW and operate the boat at a slow speed Shallow Water Operation When operating in shallow water tilt the motor up to prevent the pro peller and gear case from hitting the bottom refer to the BF35A 45A Owner s Manual for additio...

Page 126: ...ng the BF45A LHTA are the same except step 2 The new information for step 2 is ShOWn 2 Turn the ignition key to the OFF position When the atis not in use remove and store the ignition key 1NOTICE 1Thebattery will dis charge if the ignition is left on with the engine not running 12 ...

Page 127: ...t rat ing from that specified If the fuse is blown check the cause then replace the fuse with a fuse of the same rated capacity Unless the cause is found the fuse may blow again WIRING HARNESS FUSE HOLDER CAP CABLE TIE RUBBER END CAPS Replacement 1 Stop the engine 2 Loosen the cable tie and slide it down the wiring harness 3 Slide the rubber end caps back 4 Unscrew the fuse holder cap 5 Remove the...

Page 128: ...15 WIRING DIAGRAM LHTA ...

Page 129: ...17 OPTIONAL PARTS LHTA POWER TRIM TILT SWITCHES Foot Qpe Foot Hamess Extended Tiller Handle I pe Extended Tiller Handle Harness ...

Page 130: ...17 OPTIONAL PARTS LHTA INSTRUMENT HOUSING There axeadditional optional parts available See your authorized Honda Marine dealer for a complete list 16 ...

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Page 132: ...1 I I I 31 ZV36OS 2509304 00X31 ZV3 6SO0 PRINTED IN U S A I I I I I I I I I I I I ...

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