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Yamaha F40B, Owner'S Manual

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Yamaha F40B Owner'S Manual Download Page 44

 

Operation

 

39

 

cooling water passages with fresh water to
prevent them from becoming clogged with
salt deposits.

NOTE:

 

For cooling system flushing instructions, see

 

page 41.

 

Cruising in turbid water

 

Yamaha strongly recommends that you use
the optional chromium-plated water pump kit
if you use the outboard motor in turbid (mud-
dy) water conditions.

Summary of Contents for F40B

Page 1: ...OWNER S MANUAL F30A F40B 67C 28199 75 E0 ...

Page 2: ...EMU25050 Read this owner s manual carefully before operating your outboard motor ...

Page 3: ...t board motor CAUTION ECM00700 A CAUTION indicates special precautions that must be taken to avoid damage to the outboard motor NOTE A NOTE provides key information to make procedures easier or clearer Yamaha continually seeks advancements in product design and quality Therefore while this manual contains the most current prod uct information available at the time of print ing there may be minor d...

Page 4: ...r tiller handle 13 Power trim and tilt switch on bottom engine cowling 13 Trim tab with anode 14 Tilt lock mechanism 14 Tilt support knob 15 Top cowling lock lever s turn type 15 Flushing device 15 Warning indicator 15 Digital tachometer 16 Low oil pressure warning indicator 16 Overheat warning indicator digital type 16 Trim meter digital type 17 Hour meter digital type 17 Warning system 17 Overhe...

Page 5: ...tenance chart 47 Maintenance chart additional 48 Greasing 49 Cleaning and adjusting spark plug 49 Checking fuel system 50 Checking fuel filter 51 Inspecting idling speed 51 Changing engine oil 52 Checking wiring and connectors 53 Exhaust leakage 53 Water leakage 54 Engine oil leakage 54 Checking power trim and tilt system 54 Checking propeller 54 Removing the propeller 55 Installing the propeller ...

Page 6: ...rence in case your outboard motor is sto len EMU25190 Key number If a main key switch is equipped with the mo tor the key identification number is stamped on your key as shown in the illustration Record this number in the space provided for reference in case you need a new key EMU25202 EC label Engines affixed with this label conform to certain portions of the European Parliament directive relatin...

Page 7: ...f the motor and its operation Before operating the boat read any own er s or operator s manuals supplied with it and all labels Be sure you understand each item before operating Do not overpower the boat with this out board motor Overpowering the boat could result in loss of control The rated power of the outboard should be equal to or less than the rated horsepower capacity of the boat If the rat...

Page 8: ...ets Check throttle shift and steering for prop er operation before starting the engine Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating If you accidentally leave the helm the lanyard will pull from the switch stopping the engine Know the marine laws and regulations where you will be boating and obey them Stay informed about the weather Che...

Page 9: ... HIGH LY FLAMMABLE AND EXPLOSIVE Do not smoke when refueling and keep away from sparks flames or other sources of ignition Stop engine before refueling Refuel in a well ventilated area Refuel portable fuel tanks off the boat Take care not to spill gasoline If gaso line spills wipe it up immediately with dry rags Do not overfill the fuel tank Tighten the filler cap securely after re fueling If you ...

Page 10: ...ich meets the following specifications EMU25720 Battery specifications EMU25730 Without a rectifier or Rectifier Regulator CAUTION ECM01090 A battery cannot be connected to models that do not have a rectifier or Rectifier Regulator If you wish to use a battery with the models without a rectifier or Rectifier Regulator in stall an optional Rectifier Regulator Recommended gasoline Regular unleaded g...

Page 11: ...er pitch propeller is more suit able as it enables the correct engine speed to be maintained Conversely a larger pitch propeller is more suitable for a smaller oper ating load Yamaha dealers stock a range of propellers and can advise you and install a propeller on your outboard that is best suited to your ap plication NOTE Select a propeller which will allow the engine to reach the middle or upper...

Page 12: ...General information 7 1 Start in gear protection label ZMU01713 1 ...

Page 13: ...ated fuel reservoir and must not be used as a fuel storage container Com mercial users should conform to relevant 13 1 2 3 4 5 9 8 7 6 15 17 16 10 11 12 13 14 ZMU04034 1 Top cowling 2 Top cowling lock lever 3 Drain screw 4 Anti cavitation plate 5 Trim tab anode 6 Propeller 7 Cooling water inlet 8 Clamp bracket 9 Power trim and tilt switch 10 Manual starter handle 11 Warning indicator s 12 Tiller h...

Page 14: ...trol lever actuates both the shifter and the throttle The electrical switch es are mounted on the remote control box EMU26190 Remote control lever Moving the lever forward from the neutral po sition engages forward gear Pulling the le ver back from neutral engages reverse The engine will continue to run at idle until the le ver is moved about 35 a detent can be felt Moving the lever farther opens ...

Page 15: ... only when the remote control lever is in neutral The remote control lever will operate only when the neutral throttle lever is in the closed position EMU25911 Tiller handle To change direction move the tiller handle to the left or right as necessary EMU25922 Gear shift lever Pulling the gear shift lever towards you puts the engine in forward gear so that the boat moves ahead Pushing the lever awa...

Page 16: ...sired operation EMU25970 Throttle friction adjuster A friction device provides adjustable resis tance to movement of the throttle grip or the remote control lever and can be set accord ing to operator preference To increase resistance turn the adjuster clockwise To decrease resistance turn the adjuster counterclockwise WARNING EWM00030 Do not overtighten the friction adjuster If there is too much ...

Page 17: ...e engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating Do not attach the lanyard to clothing that could tear loose Do not route the lanyard where it could become entan gled preventing it from functioning Avoid accidentally pulling the lanyard during normal operation Loss of en gine power means the loss of most steering control Also without engine power t...

Page 18: ... the starter motor turns to start the en gine When the key is released it returns automatically to the on position EMU26141 Power trim and tilt switch on remote control or tiller handle The power trim and tilt system adjusts the outboard motor angle in relation to the tran som Pressing the switch up trims the outboard motor up then tilts it up Pressing the switch down tilts the outboard mo tor dow...

Page 19: ...at the steering control can be turned to either the right or left by applying the same amount of force WARNING EWM00840 An improperly adjusted trim tab could cause difficult steering Always test run after the trim tab has been installed or re placed to be sure steering is correct Be sure you have tightened the bolt after ad justing the trim tab If the boat tends to veer the left port side turn the...

Page 20: ... in stalling the cowling check to be sure it fits properly in the rubber seal Then lock the cowling again by returning the lever s to the lock position EMU26460 Flushing device This device is used to clean the cooling wa ter passages of the motor using a garden hose and tap water NOTE For details on usage see page 44 EMU26300 Warning indicator If the engine develops a condition which is cause for ...

Page 21: ...il pressure warning indicator is on and the engine oil level is lower Seri ous engine damage will occur The low oil pressure warning indicator does not indicate the engine oil level Use the oil dipstick to check the re maining oil quantity For further infor mation see page 22 EMU26581 Overheat warning indicator digital type If the engine temperature rises too high the warning indicator will start ...

Page 22: ...ff Changing the display format Pressing the mode button chang es the display format in the following pat tern Total hours Trip hours Display off Resetting the trip hours Simultaneously pressing the set and mode buttons for more than 1 second while the trip hours are displayed resets the trip counter to 0 zero NOTE The total number of hours the engine has been run cannot be reset EMU26801 Warning s...

Page 23: ...ng system has activated stop the engine and check the cooling water inlet for clogging EMU30164 Low oil pressure warning If the oil pressure drops too low the warning device will activate Activation of warning device The engine speed will automatically de crease to about 2000 r min The low oil pressure warning indicator will light The buzzer will sound if equipped on the tiller handle remote contr...

Page 24: ...as it is safe to do so Check the oil level and add oil as needed If the oil level is correct and the warning device does not switch off consult your Yamaha dealer CAUTION ECM00100 Do not continue to run the engine if the low oil pressure warning indicator is on Serious engine damage could occur ...

Page 25: ...n is intended as reference only It is not possible to provide complete in structions for every possible boat and motor combination Proper mounting depends in part on experience and the specific boat and motor combination WARNING EWM00830 Improper mounting of the outboard mo tor could result in hazardous conditions such as poor handling loss of control or fire hazards Observe the following For perm...

Page 26: ...g parts to wear in evenly Correct break in will help en sure proper performance and longer engine life CAUTION ECM00800 Failure to follow the break in procedure could result in reduced engine life or even severe engine damage EMU27080 Procedure for 4 stroke models Run the engine under load in gear with a propeller installed as follows 1 For the first hour of operation Run the engine at 2000 r min ...

Page 27: ...engine and engine mounting Look for loose or damaged fasteners Check the propeller for damage EMU27163 Checking the engine oil level 1 Put the outboard motor in an upright po sition not tilted 2 Remove oil dipstick and wipe it clean 3 Completely insert the dipstick and re move it again 4 Check the oil level using the dipstick to be sure the level falls between the upper and lower marks Fill with o...

Page 28: ...ned gasoline vapor will be released Gaso line is highly flammable and its vapors are flammable and explosive Refrain from smoking and keep away from open flames and sparks while loosen ing the air vent screw This product emits exhaust gases which contain carbon monoxide a col orless odorless gas which could cause brain damage or death when inhaled Symptoms include nausea dizziness and drowsiness K...

Page 29: ... engine stop switch lanyard to a secure place on your clothing or your arm or leg Then install the lock plate on the other end of the lanyard into the en gine stop switch WARNING EWM00120 Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating Do not attach the lanyard to clothing that could tear loose Do not route the lanyard where it could beco...

Page 30: ...ails to start see page 61 EMU27662 Electric start and remote control models 1 Place the remote control lever in neutral NOTE The start in gear protection device prevents the engine from starting except when in neu tral 2 Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg Then install the lock plate on the other end of the lanyard into the en gine stop switc...

Page 31: ... 10 seconds then crank the engine again NOTE When the engine is cold it needs to be warmed up For further information see page 26 If the engine is warm and fails to start open the throttle slightly and try to start the engine again If the engine still fails to start see page 61 EMU27670 Warming up engine EMU27710 Manual start and electric start models 1 After starting the engine allow it to idle f...

Page 32: ... no swimmers or obstacles in the water near you CAUTION ECM00220 To change the boat direction or shifting position from forward to reverse or vice versa first close the throttle so that the engine idles or runs at low speeds EMU27763 Forward tiller handle and remote control models Tiller control models 1 Place the throttle grip in the fully closed position 2 Move the gear shift lever quickly and f...

Page 33: ...nt Tiller control models 1 Place the throttle grip in the fully closed position 2 Move the gear shift lever quickly and firmly from neutral to reverse Remote control models 1 Pull up the neutral interlock trigger if equipped and move the remote control lever quickly and firmly from neutral to reverse EMU27795 Reverse manual tilt and hydro tilt models WARNING EWM00190 When operating in reverse go s...

Page 34: ... 2 On models equipped with a tilt lock le ver check that it is in the lock down po sition 3 Move the gear shift lever quickly and firmly from neutral to reverse Remote control models 1 Check that the tilt lock lever is in the lock position 2 Pull up the neutral interlock trigger if equipped and move the remote control lever quickly and firmly from neutral to reverse ZMU04055 ZMU04054 N R ZMU03620 ...

Page 35: ...n the fuel tank cap if equipped 4 Remove the key if the boat will be left unattended NOTE The engine can also be stopped by pulling the lanyard and removing the lock plate from the engine stop switch then turning the main switch to off EMU27861 Trimming outboard motor The trim angle of the outboard motor helps determine the position of the bow of the boat in the water Correct trim angle will help ...

Page 36: ...board motor when adjusting the tilt an gle also be careful not to pinch any body parts between the drive unit and clamp bracket Use caution when trying a trim position for the first time Increase speed gradu ally and watch for any signs of instabil ity or control problems Improper trim angle can cause loss of control Use the power tilt switch located on the bottom engine cowling if equipped only w...

Page 37: ...and and tilt the engine to the desired angle 4 Place the tilt lock lever back into the lock position to support the engine To raise the bow trim out tilt the engine up To lower the bow trim in tilt the engine down Make test runs with the trim set to different angles to find the position that works best for your boat and operating conditions EMU27911 Adjusting boat trim When the boat is on plane a ...

Page 38: ...up to protect the propeller and casing from damage by colli sion with obstructions and also to reduce salt corrosion WARNING EWM00220 Be sure all people are clear of the out board motor when tilting up and down also be careful not to pinch any body parts between the drive unit and engine bracket WARNING EWM00250 Leaking fuel is a fire hazard If there is a fuel joint on the outboard motor discon ne...

Page 39: ...and turn the tilt support lever toward you or tilt support knob into the clamp bracket and then place the tilt lock lever back into the lock position to support the outboard motor EMU28005 Procedure for tilting up Power trim and tilt models power tilt models 1 Place the remote control lever the gear shift lever in neutral N ZMU03087 N F R ZMU04062 ZMU04063 ZMU04064 ZMU04065 N ZMU03196 ...

Page 40: ...t support lever Otherwise the outboard motor could fall back down suddenly if oil in the power trim and tilt unit loses pres sure 5 Models equipped with trim rods Once the outboard motor is supported with the tilt support lever press the power trim and tilt switch down to retract the trim rods CAUTION ECM00250 Be sure to retract the trim rods complete ly during mooring This protects the rods from ...

Page 41: ...edure for tilting down Power trim and tilt models power tilt models 1 Push the power tilt power trim and tilt switch up until the outboard motor is supported by the tilt rod and the tilt support lever tilt support knob becomes free 2 Release the tilt support lever or pull out the tilt support knob 3 Push the power tilt power trim and tilt switch down to lower the outboard motor to the desired posi...

Page 42: ...t and personal injury Return the outboard motor to its normal position as soon as the boat is back in deeper water CAUTION ECM00260 Do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of the water when set ting up for and cruising in shallow water Otherwise severe damage from overheat ing can result EMU28174 Procedure for hydro tilt models 1 Pla...

Page 43: ... that the cooling water inlet on the lower unit is above the surface of the water when set ting up for and cruising in shallow water Otherwise severe damage from overheat ing can result EMU28184 Procedure for power trim and tilt power tilt models 1 Place the gear shift lever in neutral 2 Slightly tilt the outboard motor up to the desired position using the power trim tilt switch 3 To return the ou...

Page 44: ...from becoming clogged with salt deposits NOTE For cooling system flushing instructions see page 41 Cruising in turbid water Yamaha strongly recommends that you use the optional chromium plated water pump kit if you use the outboard motor in turbid mud dy water conditions ...

Page 45: ...7 kg 193 lb F40BET 90 4 kg 199 lb F40BMHD 88 1 kg 194 lb Weight AL X F40BET 93 7 kg 207 lb Performance Full throttle operating range 5000 6000 r min Maximum output F30AET 22 1 kW 5500 r min 30 HP 5500 r min F30AMHD 22 1 kW 5500 r min 30 HP 5500 r min F40BED 29 4 kW 5500 r min 40 HP 5500 r min F40BET 29 4 kW 5500 r min 40 HP 5500 r min F40BMHD 29 4 kW 5500 r min 40 HP 5500 r min Idling speed in neu...

Page 46: ...ity excluding oil filter 2 0 L 2 11 US qt 1 76 Imp qt Recommended gear oil Hypoid gear oil SAE 90 Gear oil quantity 430 0 cm3 14 54 US oz 15 17 Imp oz Tightening torque for engine Spark plug 18 0 Nm 13 3 ft lb 1 84 kgf m Propeller nut 40 0 Nm 29 5 ft lb 4 08 kgf m Engine oil drain bolt 18 0 Nm 13 3 ft lb 1 84 kgf m Engine oil filter 18 0 Nm 13 3 ft lb 1 84 kgf m EMU28222 Transporting and storing o...

Page 47: ...maha dealer prior to storage However you the owner with a minimum of tools can perform the fol lowing procedures CAUTION ECM01080 To prevent problems which can be caused by oil entering the cylinder from the sump keep the outboard motor in the attitude shown when transporting and storing it If storing or transporting the outboard motor on its side not up right put it on a cushion after draining th...

Page 48: ...y Fogging Oil alternately into each carburetor or the fogging hole of the silencer cover if equipped When properly done the engine will smoke ex cessively and almost stall 8 Remove the outboard motor from the test tank 9 Install the silencer cover cap of fogging hole and top cowling 10 If the Fogging Oil is not available run the engine at a fast idle until the fuel sys tem becomes empty and the en...

Page 49: ...tilated ar ea Keep batteries away from fire sparks or open flames for example welding equipment lighted cigarettes and so on DO NOT SMOKE when charging or han dling batteries KEEP BATTERIES AND ELECTROLYTIC FLUID OUT OF REACH OF CHILDREN Batteries vary among manufacturers There fore the following procedures may not al ways apply Consult your battery manufacturer s instructions Procedure 1 Disconne...

Page 50: ...use serious overheating Be sure the connector is tightened securely on the fit ting after flushing the engine NOTE When flushing the engine with the boat in the water tilting up the outboard motor un til it is completely out of the water will achieve better results For cooling system flushing instructions see page 41 EMU28450 Cleaning the outboard motor After use wash the exterior of the outboard ...

Page 51: ...hould be done by your Yamaha dealer or other qualified mechanic EMU28510 Replacement parts If replacement parts are necessary use only genuine Yamaha parts or parts of the same type and of equivalent strength and materi als Any part of inferior quality may malfunc tion and the resulting loss of control could endanger the operator and passengers Yamaha genuine parts and accessories are available fr...

Page 52: ...year Anode s external Inspection replace ment Anode s internal Inspection replace ment Battery Inspection charging Cooling water pas sages Cleaning Cowling clamp Inspection Fuel filter disposable Inspection replace ment Fuel system Inspection Fuel tank Yamaha por table tank Inspection cleaning Gear oil Change Greasing points Greasing Idling speed carbure tor models Inspection adjustment Power trim...

Page 53: ...igh sulfur gasoline inspecting valve clearance may be required more frequently than every 500 hours Spark plug s Cleaning adjustment replacement Timing belt Inspection replace ment Valve clearance OHC OHV Inspection adjustment Item Actions Initial Every 10 hours 1 month 50 hours 3 months 100 hours 6 months 200 hours 1 year Item Actions Every 500 hours 2 5 years 1000 hours 5 years Timing belt Repla...

Page 54: ...ft F30A F40B EMU28951 Cleaning and adjusting spark plug WARNING EWM00560 When removing or installing a spark plug be careful not to damage the insulator A damaged insulator could allow external sparks which could lead to explosion or fire The spark plug is an important engine com ponent and is easy to inspect The condition ZMU04081 ...

Page 55: ... dirt from the threads and screw in the spark plug to the correct torque NOTE If a torque wrench is not available when you are fitting a spark plug a good estimate of the correct torque is 1 4 to 1 2 a turn past fin ger tight Have the spark plug adjusted to the correct torque as soon as possible with a torque wrench EMU28962 Checking fuel system WARNING EWM00060 Gasoline and its vapors are highly ...

Page 56: ... boat could unexpectedly start to move which could result in an accident CAUTION ECM00490 This procedure must be performed while the outboard motor is in the water A flushing attachment or test tank can be used A diagnostic tachometer should be used for this procedure Results may vary depending on whether testing is conducted with the flushing attachment in a test tank or with the outboard motor i...

Page 57: ...e engine oil after the first 10 hours of operation and every 100 hours or at 6 month intervals thereafter Other wise the engine will wear quickly NOTE Change the engine oil when the oil is still warm 1 Put the outboard motor in an upright po sition not tilted 2 Prepare a suitable container that holds a larger amount than the engine oil capac ity Loosen and remove the drain screw while holding the ...

Page 58: ...3 minutes Recheck the oil level using the dipstick to be sure the level falls between the up per and lower marks Fill with oil if it is below the lower mark or drain to the specified level if it is above the upper mark 7 Dispose of used oil according to local regulations NOTE For more information on the disposal of used oil consult your Yamaha dealer Change the oil more often when operating the en...

Page 59: ...pped to check that all switch es work 3 Tilt the outboard motor up and check that the trim and tilt rod is pushed out completely 4 Check that the trim and tilt rod is free of corrosion or other flaws 5 Tilt the outboard motor down Check that the trim and tilt rod operates smoothly NOTE Consult your Yamaha dealer if any operation is abnormal EMU29171 Checking propeller WARNING EWM00321 You could be...

Page 60: ...obstacle to help protect the propeller and drive mechanism The propeller will then spin freely on the shaft If this happens the shear pin must be replaced EMU29193 Removing the propeller 1 Straighten the cotter pin and pull it out using a pair of pliers 2 Remove the propeller nut washer and spacer if equipped 3 Remove the propeller and thrust wash er EMU29230 Installing the propeller CAUTION ECM00...

Page 61: ...tboard motor is securely fastened to the transom or a stable stand You could be severely injured if the outboard motor falls on you Never get under the lower unit while it is tilted even when the tilt support lever or knob is locked Severe injury could occur if the outboard motor accidental ly falls 1 Tilt the outboard motor so that the gear oil drain screw is at the lowest point pos sible 2 Place...

Page 62: ...arefully Im proper assembly can result in a fuel leak which could result in a fire or ex plosion hazard Dispose of old gasoline according to lo cal regulations 1 Empty the fuel tank into an approved container 2 Pour a small amount of suitable solvent into the tank Install the cap and shake the tank Drain the solvent completely 3 Remove the screws holding the fuel joint assembly Pull the assembly o...

Page 63: ...nd get immediate medical attention Antidote INTERNAL Drink large quantities of water or milk followed by milk of magnesia beaten egg or vegetable oil Get immediate medical attention Batteries also generate explosive hydro gen gas therefore you should always follow these preventive measures Charge batteries in a well ventilated ar ea Keep batteries away from fire sparks or open flames for example w...

Page 64: ...M01121 Make sure the main switch on applica ble models is off before work ing on the battery Reversal of the battery cables will dam age the electrical parts Connect the red battery cable first when installing the battery and discon nect the black battery cable first when removing it Otherwise the electrical parts can be damaged The electrical contacts of the battery and cables must be clean and p...

Page 65: ...should be kept as clean of ma rine growth as possible If necessary the boat bottom can be coated with an anti foul ing paint approved for your area to inhibit marine growth Do not use anti fouling paint which includes copper or graphite These paints can cause more rapid engine corrosion ZMU02068 ZMU01943 ...

Page 66: ...A Have serviced by a Yamaha dealer Q Is shift lever in gear A Shift to neutral Engine will not start starter operates Q Is fuel tank empty A Fill tank with clean fresh fuel Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is fuel filter clogged A Clean or replace filter Q Is starting procedure incorrect A See page 24 Q Has fuel pump malfunctioned A Have serviced by a Yamaha deal...

Page 67: ...p damaged A Have serviced by a Yamaha dealer Q Is air vent screw on fuel tank closed A Open air vent screw Q Is choke knob pulled out A Return to home position Q Is motor angle too high A Return to normal operating position Q Is carburetor clogged A Have serviced by a Yamaha dealer Q Is fuel joint connection incorrect A Connect correctly Q Is throttle valve adjustment incorrect A Have serviced by ...

Page 68: ...g s fouled or of incorrect type A Inspect spark plug s Clean or replace with recommended type Q Are weeds or other foreign matter tangled on gear housing A Remove foreign matter and clean lower unit Q Is fuel system obstructed A Check for pinched or kinked fuel line or other obstructions in fuel system Q Is fuel filter clogged A Clean or replace filter Q Is fuel contaminated or stale A Fill tank w...

Page 69: ...utboard motor can be seriously damaged by a collision while operating or trailering Damage could make the out board motor unsafe to operate If the outboard motor hits an object in the wa ter follow the procedure below 1 Stop the engine immediately 2 Inspect the control system and all com ponents for damage Also inspect the boat for damage 3 Whether damage is found or not return to the nearest harb...

Page 70: ...r gency starter rope WARNING EWM01020 Use this procedure only in an emergen cy and only to return to port for repairs When the emergency starter rope is used to start the engine the start in gear protection device does not oper ate Make sure the remote control lever is in neutral Otherwise the boat could unexpectedly start to move which could result in an accident Attach the engine stop switch lan...

Page 71: ... is running Do not install the starter mechanism or top cowling after the engine is running Do not touch the ignition coil spark plug wire spark plug cap or other elec trical components when starting or op erating the motor You could get an electrical shock EMU29573 Emergency starting engine 1 Remove the top cowling 2 Disconnect the start in gear protection cable from the starter if equipped 3 Rem...

Page 72: ...aha dealer follow the proce dure below in order to minimize engine dam age EMU29783 Procedure 1 Thoroughly wash away mud salt sea weed and so on with fresh water 2 Remove the spark plug s then face the spark plug holes downward to allow any water mud or contaminants to drain 3 Drain the fuel from the carburetor fuel filter and fuel line Drain the engine oil completely 4 Fill the sump with the fres...

Page 73: ......

Page 74: ...YAMAHA MOTOR CO LTD Printed on recycled paper Printed in Japan April 2004 0 2 1 ...

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