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Maintenance

 

54

 

EMU30660

 

Removing the propeller

 

EMU29194

 

Spline models

 

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.

 

EMU30670

 

Installing the Propeller

 

EMU29231

 

Spline models

CAUTION:

 

ECM00340 

 

 

Be sure to install the thrust washer be-
fore installing the propeller, otherwise
the lower case and propeller boss
could be damaged.

 

 

Be sure to use a new cotter pin and
bend the ends over securely. Otherwise
the propeller could come off during op-

 

eration and be lost.

 

1.

Apply Yamaha marine grease or a cor-
rosion resistant grease to the propeller
shaft.

2.

Install the spacer (if equipped), thrust
washer, and propeller on the propeller
shaft.

3.

Install the spacer (if equipped) and the
washer. Tighten the propeller nut to the
specified torque.

4.

Align the propeller nut with the propeller
shaft hole. Insert a new cotter pin in the
hole and bend the cotter pin ends.

NOTE:

 

If the propeller nut does not align with the
propeller shaft hole after tightening to the

 

1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
6. Thrust washer

1. Cotter pin
2. Propeller nut
3. Washer
4. Spacer
5. Propeller
6. Thrust washer

ZMU03228

1

2

3

4

5

6

ZMU02063

Summary of Contents for F50D

Page 1: ...Printed in Japan May 2004 1 5 1 Printed on recycled paper F50D T50D F60D T60D OWNER S MANUAL 6C1 28199 10 U S A Edition LIT 18626 06 11 6C1 9 10 Hyoshi 4 28 04 3 48 PM Page 1...

Page 2: ...EMU25060 ZMU01690 Read this owner s manual carefully before operating your outboard motor 6C1 9 10 Hyoshi 4 28 04 3 48 PM Page 2...

Page 3: ...TION 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 continua...

Page 4: ...im and tilt switch on bottom engine cowling 16 Trim tab with anode 16 Tilt support lever for power trim and tilt or hydro tilt model 17 Top cowling lock lever s turn type 17 Flushing device 17 Tachome...

Page 5: ...ting fuel filter 49 Cleaning fuel filter 49 Inspecting idling speed 50 Changing engine oil 50 Checking wiring and connectors 52 Exhaust leakage 52 Water leakage 52 Engine oil leakage 52 Checking power...

Page 6: ...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...

Page 7: ...Resources Board s 2001 ex haust emission standards Engines meeting these standards have 75 lower emissions than conventional carbureted two stroke en gines These engines are equivalent to the U S EPA...

Page 8: ...r tak ing drugs About 50 of all boating fatali ties involve intoxication Have an approved personal flotation de vice PFD on board for every occupant It is a good idea to wear a PFD whenever boating At...

Page 9: ...nd shut off the engine Be informed about boating safety Additional publications and information can be obtained from many organizations including the fol lowing United States Coast Guard Consumer Affa...

Page 10: ...llision When you maintain your direction and speed the other vessel will be able to determine how best to avoid you Give way vessel The vessel which does not have the right of way has the duty to take...

Page 11: ...he other vessel gives you the right of way as it should Overtaking If you are passing another vessel you are the Give Way vessel This means that the other vessel is expected to maintain its course and...

Page 12: ...mply put buoys and markers have an arrangement of shapes colors numbers and lights to show which side of the buoy a boater should pass on when navigat ing in a particular direction The markings on the...

Page 13: ...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 tan...

Page 14: ...re are two types of gasohol gasohol con taining ethanol and that containing metha nol Gasohol containing ethanol can be used if ethanol content does not exceed 10 and the fuel meets minimum octane rat...

Page 15: ...would be more appropriate For a greater operating load a smaller pitch propeller is more suit able as it enables the correct engine speed to be maintained Conversely a larger pitch propeller is more s...

Page 16: ...and in stallation see page 53 EMU25770 Start in gear protection Yamaha outboard motors or Yamaha ap proved remote control units are equipped with start in gear protection device s This feature permits...

Page 17: ...s dedicated fuel reservoir and must not be used as a fuel storage container Com 1 2 3 TRIP TIME BATT Km h knot mph km mile SPEED YAMAHA set mode 8 10 5 6 4 9 7 11 13 16 14 15 17 18 ZMU05090 12 1 Top c...

Page 18: ...ntrol The remote control 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...

Page 19: ...r is in the closed position 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...

Page 20: ...tan 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 the boat...

Page 21: ...and tilt switch located on the bottom engine cowling only when the boat is at a complete stop with the en gine off Attempting to use this switch while the boat is moving could increase the risk of fa...

Page 22: ...owling turn the lock lever s and lift off the cowling When 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...

Page 23: ...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 qu...

Page 24: ...6581 Overheat warning indicator digital type If the engine temperature rises too high the warning indicator will start to blink For fur ther information on reading the indicator see page 23 CAUTION EC...

Page 25: ...m angle to the desired setting with the power trim and tilt switch EMU26620 Trim meter digital type This meter shows the trim angle of your out board motor NOTE Memorize the trim angles that work best...

Page 26: ...s to trip To reset the trip meter to zero press the set and mode buttons at the same time NOTE The trip distance is shown in kilometers or miles depending upon the unit of measure ment selected for th...

Page 27: ...on of the sensor in the fuel tank and the attitude of the boat in the water Operation with bow up trim or continuous turning can give false readings EMU26720 Fuel warning indicator If the fuel level d...

Page 28: ...engine speed will automatically de crease to about 2000 r min The overheat warning indicator will light if equipped on the bottom cowling or the ta chometer The buzzer will sound if equipped on the t...

Page 29: ...If the warning system has activated stop the engine as soon 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 cons...

Page 30: ...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 an...

Page 31: ...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 e...

Page 32: ...Check that the battery is in good condition and the battery connections are secure EMU27163 Checking the engine oil level 1 Put the outboard motor in an upright po sition not tilted 2 Remove oil dips...

Page 33: ...di tive has repeatedly proven its ability to clean combustion deposits from inside the engine notably the critical piston ring land area and fuel system components Follow product la beling for use ins...

Page 34: ...irm EMU27490 Starting engine 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 ex...

Page 35: ...tarter can also be damaged If the engine will not start after 5 seconds of cranking return the main switch to on wait 10 seconds then crank the engine again NOTE When the engine is cold it needs to be...

Page 36: ...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 firm...

Page 37: ...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 th...

Page 38: ...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 i...

Page 39: ...e and econ omy are decreased because the hull of the boat is pushing the water and there is more air drag Excessive trim out can also cause the propeller to ventilate which reduces per formance furthe...

Page 40: ...g the procedure on page 32 Never tilt the outboard mo tor while the engine is running Severe damage from overheating can result Do not tilt up the engine by pushing the tiller handle if equipped becau...

Page 41: ...sion which could damage the power trim and tilt mechanism EMU28053 Procedure for tilting down Power trim and tilt models power tilt models 1 Push the power tilt power trim and tilt switch up until the...

Page 42: ...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 outboard motor to the nor mal running position p...

Page 43: ...5500 r min 50 HP 5500 r min T60TR 44 1 kW 5500 r min 60 HP 5500 r min Idling speed in neutral 750 50 r min Engine Type 4 stroke L Displacement 996 0 cm3 60 78 cu in Bore stroke 65 0 75 0 mm 2 56 2 95...

Page 44: ...ring the outboard motor close the air vent screw and fuel cock to prevent fuel from leaking USE CARE when transporting fuel tank whether in a boat or car DO NOT fill fuel container to maximum capacity...

Page 45: ...trou ble Store the outboard motor in a dry well ventilated place not in direct sunlight EMU28301 Procedure EMU30001 Flushing with the flushing attachment 1 Wash the outboard motor body using fresh wat...

Page 46: ...encer cover if equipped When properly done the en gine will smoke excessively and almost stall 8 Remove the flushing attachment and wipe off any excess water 9 Install the top cowling and propeller 10...

Page 47: ...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 a...

Page 48: ...ons see page 39 EMU28450 Cleaning the outboard motor After use wash the exterior of the outboard motor with fresh water Flush the cooling system with fresh water NOTE For cooling system flushing instr...

Page 49: ...eplacement 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...

Page 50: ...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 can be dis asse...

Page 51: ...71 Maintenance chart additional Spark plug s Cleaning adjustment replacement Timing belt Inspection replace ment Valve clearance OHC OHV Inspection adjustment Item Actions Initial Every 10 hours 1 mon...

Page 52: ...f the engine For exam ple if the center electrode porcelain is very white this could indicate an intake air leak or carburetion problem in that cylinder Do not attempt to diagnose any problems yoursel...

Page 53: ...y flam mable and explosive Keep away from sparks cigarettes flames or other sources of ignition WARNING EWM00910 Leaking fuel can result in fire or explo sion Check for fuel leakage regularly If any f...

Page 54: ...nt could result in a fuel leak which could result in a fire or explosion hazard EMU29021 Cleaning fuel filter NOTE If any water is in the fuel the float will rise If so remove the cup and drain the wa...

Page 55: ...ess If the outboard is mounted on a boat be sure the boat is tightly moored NOTE Correct idling speed inspection is only possi ble if the engine is fully warmed up If not warmed up fully the idle spee...

Page 56: ...4 Add the correct amount of oil through the filler hole Install the filler cap 5 Start the engine and watch to make sure the low oil pressure warning indicator if equipped turns off Make sure that th...

Page 57: ...r head and body cylinder EMU29140 Engine oil leakage Check for oil leaks on the around the engine NOTE If any leaks are found consult your Yamaha dealer EMU29161 Checking power trim and tilt system WA...

Page 58: ...your boat has one Do not use your hand to hold the pro peller when loosening or tightening the propeller nut Put a wood block be tween the anti cavitation plate and the propeller to prevent the propel...

Page 59: ...propeller could come off during op eration and be lost 1 Apply Yamaha marine grease or a cor rosion resistant grease to the propeller shaft 2 Install the spacer if equipped thrust washer and propelle...

Page 60: ...om the screw before installing it 4 Remove the oil level plug to allow the oil to drain completely CAUTION ECM00710 Inspect the used oil after it has been drained If the oil is milky water is getting...

Page 61: ...ainer 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 out...

Page 62: ...egetable 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 Ke...

Page 63: ...121 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 inst...

Page 64: ...om 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...

Page 65: ...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 st...

Page 66: ...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 nor...

Page 67: ...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...

Page 68: ...NING EWM00870 The outboard 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 t...

Page 69: ...rgency starter rope However the en gine cannot be started manually if the battery voltage is low If the battery is discharged to 9 volts or below the electric fuel pump will not operate WARNING EWM010...

Page 70: ...or other moving parts when the engine 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...

Page 71: ...order to minimize engine dam age EMU29790 Procedure 1 Thoroughly wash away mud salt sea weed and so on with fresh water 2 Remove the spark plugs and face the spark plug holes downward to allow any wat...

Page 72: ...67 Consumer information EMU29811 Important warranty information for U S A and Canada...

Page 73: ...Consumer information 68...

Page 74: ...Consumer information 69 EMU29830 YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD MOTOR THREE YEAR LIMITED WARRANTY...

Page 75: ...Consumer information 70...

Page 76: ...Consumer information 71 EMU29840 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U S A OR CANADA...

Page 77: ...Printed in Japan May 2004 1 5 1 Printed on recycled paper F50D T50D F60D T60D OWNER S MANUAL 6C1 28199 10 U S A Edition LIT 18626 06 11 6C1 9 10 Hyoshi 4 28 04 3 48 PM Page 1...

Page 78: ...d tail OUTBOARD MOTOR MODEL AND SERIAL NUMBER From I D label on clamp bracket MOD LE ET NO DE S RIE DU MOTEUR HORS BORD sur l tiquette d identification de la presse de fixation For Dealer Use Only A...

Page 79: ...PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT Warranty card 2 27 02 11 47 AM Page 2...

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