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Yamaha T-50 Owner's Manual

Summary of T-50

  • Page 1

    Read this manual carefully before operating this outboard motor. Owner’s manual f50 t50 f60 t60 f70 lit-18626-09-90 6c1-28199-3b-e0 6c1-9-3b-1e0.Book 1 ページ ２０１２年１１月１９日 月曜日 午前１０時３５分.

  • Page 2

    Emu25063 zmu07696 les gaz d’échappement du moteur de ce produit contiennent des substances chimiques connues dans l’État de californie pour provoquer le cancer, des anomalies congénitales et des troubles de la reproduction. Read this manual carefully before operating this outboard motor. Keep this m...

  • Page 3: Important Manual Information

    Important manual information emu44140 to the owner thank you for selecting a yamaha outboard motor. This owner’s manual contains infor- mation needed for proper operation, mainte- nance and care. A thorough understanding of these simple instructions will help you ob- tain maximum enjoyment from your...

  • Page 4: Table of Contents

    Table of contents safety information............................. 1 outboard motor safety ..................... 1 propeller............................................ 1 rotating parts.................................... 1 hot parts ........................................... 1 electric shock..........

  • Page 5: Table of Contents

    Table of contents tilt support lever for power trim and tilt model ................................ 35 cowling lock lever(s) (turn type)...... 36 flushing device ............................... 36 fuel filter/water separator .............. 36 instruments and indicators ............ 38 indicators ......

  • Page 6: Table of Contents

    Table of contents procedure for tilting up (power trim and tilt models) ............................. 72 procedure for tilting down (power trim and tilt models) ...................... 73 shallow water ................................ 74 power trim and tilt models............... 74 cruising in other ...

  • Page 7: Safety Information

    1 safety information emu33622 outboard motor safety observe these precautions at all times. Emu36501 propeller people can be injured or killed if they come in contact with the propeller. The propeller can keep moving even when the motor is in neutral, and sharp edges of the propeller can cut even wh...

  • Page 8: Safety Information

    Safety information 2 emu33820 gasoline exposure and spills take care not to spill gasoline. If gasoline spills, wipe it up immediately with dry rags. Dispose of rags properly. If any gasoline spills onto your skin, immedi- ately wash with soap and water. Change clothing if gasoline spills on it. If ...

  • Page 9: Safety Information

    Safety information 3 emu33772 avoid collisions scan constantly for people, objects, and oth- er boats. Be alert for conditions that limit your visibility or block your vision of others. Operate defensively at safe speeds and keep a safe distance away from people, ob- jects, and other boats. Do not f...

  • Page 10: Safety Information

    Safety information 4 go to boatus.Org. For canada all operators of pleasure craft must illustrate competency by means of a pleasure craft operators card with the exception of per- sonal water craft used for rental purposes which require a rental checklist be complet- ed. Pleasure craft operators car...

  • Page 11: Safety Information

    Safety information 5 suite 8 bolton, on l7e 1h1 http://www.Nmma.Org/ emu33691 basic boating rules (rules of the road) just as there are rules that apply when you are driving on streets and highways, there are waterway rules that apply when you are driving your boat. These rules are used inter- natio...

  • Page 12: Safety Information

    Safety information 6 meeting if you are meeting another power vessel head on, and are close enough to run the risk of collision, neither of you has the right-of- way both of you should alter course to avoid an accident. You should keep the other ves- sel on your port (left) side. This rule doesn’t a...

  • Page 13: Safety Information

    Safety information 7 trawls are considered to be “fishing vessels” under the international rules. Vessels with trolling lines are not considered fishing ves- sels. Fishing vessels have the right-of-way regardless of position. Fishing vessels can- not, however, impede the passage of other vessels in ...

  • Page 14: Safety Information

    Safety information 8 zmu01708 6c1-9-3b-1e0.Book 8 ページ ２０１２年１１月１９日 月曜日 午前１０時３５分.

  • Page 15: General Information

    9 general information emu25171 identification numbers record emu25184 outboard motor serial number the outboard motor serial number is stamped on the label attached to the port side of the clamp bracket. Record your outboard motor serial number in the spaces provided to assist you in ordering spare ...

  • Page 16: General Information

    General information 10 emu33523 read manuals and labels before operating or working on this outboard motor: read this manual. Read any manuals supplied with the boat. Read all labels on the outboard motor and the boat. If you need any additional information, contact your yamaha dealer. Emu33832 warn...

  • Page 17: General Information

    General information 11 f70 3 1 2 zmu07691 6c1-9-3b-1e0.Book 11 ページ ２０１２年１１月１９日 月曜日 午前１０時３５分.

  • Page 18: General Information

    General information 12 emu33912 contents of labels the above warning labels mean as follows. 1 warning ewm01691 emergency starting does not have start- in-gear protection. Ensure shift control is in neutral before starting engine. 2 warning ewm01681 keep hands, hair, and clothing away from rotating ...

  • Page 19: General Information

    General information 13 emu35132 symbols the following symbols mean as follows. Notice/warning read owner’s manual hazard caused by continuous rotation electrical hazard zmu05696 zmu05664 zmu05665 zmu05666 6c1-9-3b-1e0.Book 13 ページ ２０１２年１１月１９日 月曜日 午前１０時３５分.

  • Page 20: Specifications

    14 specifications and requirements emu34521 specifications tip: “(al)” stated in the specification data below represents the numerical value for the alumi- num propeller installed. Likewise, “(sus)” represents the value for stainless steel propeller installed and “(pl)” for plastic propeller install...

  • Page 21

    Specifications and requirements 15 total displacement: 996 cm 3 (60.8 c.I.) bore  stroke: 65.0  75.0 mm (2.56  2.95 in) ignition system: tci spark plug (ngk): f50b dpr6eb-9 f50hb dpr6eb-9 f60b dpr6eb-9 f60hb dpr6eb-9 f70a lkr7e f70ha lkr7e t50b dpr6eb-9 t60b dpr6eb-9 spark plug gap: 0.8–0.9 mm (0...

  • Page 22: Installation Requirements

    Specifications and requirements 16 recommended engine oil grade 1: sae 10w-30/10w-40/5w-30 api se/sf/sg/sh/sj/sl engine oil quantity (without oil filter re- placement): 1.9 l (2.01 us qt, 1.67 imp.Qt) engine oil quantity (with oil filter replace- ment): 2.1 l (2.22 us qt, 1.85 imp.Qt) lubrication sy...

  • Page 23: Remote Control Requirements

    Specifications and requirements 17 tions such as poor handling, loss of control, or fire hazards. Because the motor is very heavy, spe- cial equipment and training is required to mount it safely. Your dealer or other person experienced in proper rigging should mount the motor using correct equipment...

  • Page 24: Start-In-Gear Protection

    Specifications and requirements 18 pellers for every yamaha outboard motor and every application. Your outboard motor came with a yamaha propeller selected to perform well over a range of applications, but there may be uses where a different propeller would be more appropriate. Your yamaha dealer ca...

  • Page 25: Fuel Requirements

    Specifications and requirements 19 if oil grades listed under recommended en- gine oil grade 1 are not available, select an alternative oil grade listed under recom- mended engine oil grade 2. Recommended engine oil grade 1 recommended engine oil grade 2 emu36360 fuel requirements emu41331 gasoline ...

  • Page 26: Notice

    Specifications and requirements 20 without ethanol and gasoline with ethanol, which is typically referred to as e10 gasoline. According to federal regulations, e10 gaso- line may contain up to 10% ethanol. A high quality gasoline without ethanol is the preferred fuel for your yamaha outboard mo- tor...

  • Page 27: Anti-Fouling Paint

    Specifications and requirements 21 dition, gasoline used for boating will typically age longer between refills than gasoline used in automobiles, resulting in stale and unusable gasoline that may cause starting and running problems, fuel system damage, and internal engine damage. Yamaha recommends t...

  • Page 28: Emission Control Information

    Specifications and requirements 22 plugs. Consult your yamaha dealer for details. Emu25222 emission control information emu25230 north american models this engine conforms to u.S. Environmental protection agency (epa) regulations for ma- rine si engines. See the label affixed to your engine for deta...

  • Page 29: Star Labels

    Specifications and requirements 23 emu25274 star labels your outboard motor is labeled with a cali- fornia air resources board (carb) star la- bel. See below for a description of your particular label. Emu40330 one star—low emission the one-star label identifies engines that meet the air resources b...

  • Page 30

    Specifications and requirements 24 emu33861 four stars—super ultra low emission the four-star label identifies engines that meet the air resources board’s sterndrive and inboard marine engine 2009 exhaust emission standards. Personal watercraft and outboard marine engines may also comply with these ...

  • Page 31: Components

    25 components emu2579y components diagram tip: * may not be exactly as shown; also may not be included as standard equipment on all mod- els (order from dealer). F50b, f50hb, t50b, f60b, f60hb, t60b trip time batt km/h knot mph km mile speed yamaha set mode 9 12 11 6 7 5 10 8 13 14 15 1 3 4 2 16 17 ...

  • Page 32: Components

    Components 26 f70a 1 3 2 4 11 9 5 6 7 8 11 trip time batt km/h knot mph km mile speed yamaha set mode 14 15 16 17 18 19 13 12 10 zmu07415 1. Top cowling 2. Water separator 3. Cowling lock lever 4. Drain screw 5. Anti-cavitation plate 6. Trim tab (anode) 7. Propeller* 8. Cooling water inlet 9. Anode(...

  • Page 33: Components

    Components 27 f70ha trip time batt km/h knot mph km mile speed yamaha set mode 24 25 26 27 12 1 3 2 19 20 21 22 23 4 11 15 13 16 9 11 5 6 7 8 18 17 28 14 10 zmu07118 1. Top cowling 2. Water separator 3. Cowling lock lever 4. Drain screw 5. Anti-cavitation plate 6. Trim tab (anode) 7. Propeller* 8. C...

  • Page 34: Components

    Components 28 emu25803 fuel tank if your model was equipped with a portable fuel tank, its function is as follows. Warning ewm00020 the fuel tank supplied with this engine is its dedicated fuel reservoir and must not be used as a fuel storage container. Com- mercial users should conform to relevant ...

  • Page 35: Components

    Components 29 emu25830 fuel joint this joint is used to connect the fuel line. Emu43120 fuel gauge this gauge shows the approximate amount of fuel remaining in the fuel tank. Emu43150 pressure relief tab this is attached to the filler hole of the fuel tank. Emu43130 fuel tank cap this cap seals the ...

  • Page 36: Components

    Components 30 emu26212 neutral throttle lever to open the throttle without shifting into ei- ther forward or reverse, put the remote con- trol lever in the neutral position and lift the neutral throttle lever. Tip: the neutral throttle lever will operate only when the remote control lever is in neut...

  • Page 37: Components

    Components 31 emu25962 throttle indicator the fuel consumption curve on the throttle indicator shows the relative amount of fuel consumed for each throttle position. Choose the setting that offers the best performance and fuel economy for the desired operation. Emu25976 throttle friction adjuster a ...

  • Page 38: Components

    Components 32 tangled, preventing it from functioning. Avoid accidentally pulling the cord dur- ing normal operation. Loss of engine power means the loss of most steering control. Also, without engine power, the boat could slow rapidly. This could cause people and objects in the boat to be thrown fo...

  • Page 39: Components

    Components 33 emu31432 steering friction adjuster a friction device provides adjustable resis- tance to the steering mechanism, and can be set according to operator preference. An ad- juster lever is located on the bottom of the tiller handle bracket. To increase resistance, turn the lever to the po...

  • Page 40: Components

    Components 34 emu26155 power trim and tilt switch on bottom cowling the power trim and tilt switch is located on the side of the bottom cowling. Pushing the switch “ ” (up) trims the outboard motor up, and then tilts it up. Pushing the switch “ ” (down) tilts the outboard motor down and trims it dow...

  • Page 41: Components

    Components 35 proximately 3000 r/min. For instructions on using the variable troll- ing rpm switches, see page 68. Emu26244 trim tab with anode 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 s...

  • Page 42: Components

    Components 36 port and fall. If the motor cannot be trail- ered in the normal running position, use an additional support device to secure it in the tilt position. Emu26373 cowling lock lever(s) (turn type) to remove the engine top cowling, turn the cowling lock lever(s) and lift off the cowling. Wh...

  • Page 43: Components

    Components 37 tip: adding an in-line 10-micron fuel filter has been show to greatly reduce the chance of fuel contamination problems. Consult your dealer for information about yamaha 10-mi- cron fuel filters if your boat does not have one. 6c1-9-3b-1e0.Book 37 ページ ２０１２年１１月１９日 月曜日 午前１０時３５分.

  • Page 44: Instruments and Indicators

    38 instruments and indicators emu36015 indicators emu36024 low oil pressure-alert indicator if oil pressure drops too low, this indicator will light up. For further information, see page 50. Notice ecm00022 do not continue to run the engine if the low oil pressure-alert indicator is on and the engin...

  • Page 45: Instruments and Indicators

    Instruments and indicators 39 emu36050 tachometer the tachometer displays engine speed in hundreds of revolutions per minute (r/min). For example, if the tachometer display reads “22” then the engine speed is 2200 r/min. Emu26621 trim meter this meter shows the trim angle of your out- board motor. M...

  • Page 46: Instruments and Indicators

    Instruments and indicators 40 emu26583 overheat-alert indicator if the engine temperature rises too high, the alert indicator will start to blink. For further in- formation on reading the indicator, see page 50. Notice ecm00052 do not continue to run the engine if the overheat-alert indicator is on....

  • Page 47: Instruments and Indicators

    Instruments and indicators 41 all segments are showing, the fuel tank is full. The fuel level reading can be inaccurate due to the position of the sensor in the fuel tank and the attitude of the boat in the water. Op- eration with bow-up trim or continuous turn- ing can give false readings. Do not a...

  • Page 48: Instruments and Indicators

    Instruments and indicators 42 emu36080 voltmeter the voltmeter displays the charge of the bat- tery in volts(v). Emu26721 fuel level-alert indicator if the fuel level decreases to one segment, the fuel level alert segment will blink. Do not continue to operate the engine with full throttle if an ale...

  • Page 49: Instruments and Indicators

    Instruments and indicators 43 use the oil dipstick to check the re- maining oil quantity. For further infor- mation, see page 56. Emu26574 overheat-alert indicator if the engine temperature rises too high, this indicator will flash. For further information on reading the indicator, see page 50. Noti...

  • Page 50: Instruments and Indicators

    Instruments and indicators 44 the unit can also show the cooling water pressure display. However, even if the cool- ing water pressure sensor is not installed, the cooling water pressure display can be shown by connecting an optional sensor to the unit. For the optional sensor, consult your yamaha d...

  • Page 51: Instruments and Indicators

    Instruments and indicators 45 mediately. Tip: to stop the buzzer, press the “ ” (set) or “ ” (mode) button. Emu37690 adjusting trolling speed you can adjust the trolling speed randomly by increasing or decreasing it approximately 50 r/min. When in the trolling speed setting mode, the display switche...

  • Page 52: Instruments and Indicators

    Instruments and indicators 46 notice ecm01601 do not continue to run the engine if the low oil pressure alert device has activat- ed. Serious engine damage will occur. Emu36221 overheat alert if the engine temperature rises too high while cruising, the overheat-alert indicator will start to blink. T...

  • Page 53: Instruments and Indicators

    Instruments and indicators 47 ately. Notice ecm00920 in such an event, the engine will not oper- ate properly. Consult a yamaha dealer im- mediately. Emu36170 low battery voltage-alert if the battery voltage drops, the low battery voltage-alert indicator and the battery volt- age value will start to...

  • Page 54: Instruments and Indicators

    Instruments and indicators 48 & fuel meter unit type. After the main switch is first turned to the “ ” (on) position, all of the displays come on as a test. After a few seconds, the unit will change to normal operation. For more information, see the operation manual for the meters. Emu41042 command ...

  • Page 55: Instruments and Indicators

    Instruments and indicators 49 by connecting an optional sensor to the unit. In addition, if optional sensors are connected to the unit, water surface temperature dis- play, depth display, and clock will also be available. For the optional sensors, consult your yamaha dealer. After the main switch is...

  • Page 56: Engine Control System

    50 engine control system emu26803 alert system notice ecm00091 do not continue to operate the engine if a alert device has activated. Consult your yamaha dealer if the problem cannot be located and corrected. Emu2681c overheat alert this engine has an overheat-alert device. If the engine temperature...

  • Page 57: Engine Control System

    Engine control system 51 emu3016b low oil pressure alert if the oil pressure drops too low, the alert de- vice will activate. The engine speed will automatically de- crease to about 2000 r/min. If equipped with a low oil pressure-alert indicator, it will light or blink. The buzzer will sound (if equ...

  • Page 58: Installation

    52 installation emu26902 installation the information presented in this section is intended as reference only. It is not possible to provide complete instructions for every possible boat and motor combination. Proper mounting depends in part on experience and the specific boat and motor combination....

  • Page 59: Installation

    Installation 53 notice ecm01634 make sure that the idle hole is high enough to prevent water from entering the engine even if the boat is stationary with the maximum load. Incorrect engine height or obstructions to the smooth flow of water (such as the design or condition of the boat, or ac- cessori...

  • Page 60: Operation

    54 operation emu36381 first-time operation emu36391 fill engine oil the engine is shipped from the factory with- out engine oil. If your dealer did not fill the oil, you must fill it before starting the engine. Notice: check that the engine is filled with oil before first-time operation to avoid sev...

  • Page 61: Operation

    Operation 55 a good rule is to use 1/3 of your fuel to get to the destination, 1/3 to return, and to keep 1/3 as an emergency reserve. With the boat lev- el on a trailer or in the water, turn the key to “ ” (on) and check the fuel level. For fuel filling instructions, see page 58. Emu36572 remove th...

  • Page 62: Operation

    Operation 56 turns smoothly and that it completely re- turns to the fully closed position. Look for loose or damaged connections of the throttle and shift cables. Remote control models: turn the steering wheel full-right and full- left. Make sure operation is smooth and unrestricted throughout the w...

  • Page 63: Operation

    Operation 57 3. Insert the oil dipstick completely and re- move it again. 4. Check that the oil level on the oil dipstick is between the upper and lower marks. Consult your yamaha dealer if the oil level is not at the proper level or if it ap- pears milky or dirty. Emu27153 engine check the engine a...

  • Page 64: Operation

    Operation 58 after installing, check the fitting of the top cowling by pushing it with both hands. If the top cowling is loose, have it repaired by your yamaha dealer. Emu34581 power trim and tilt system warning ewm01930 never get under the lower unit while it is tilted, even when the tilt support l...

  • Page 65: Operation

    Operation 59 if you should swallow some gasoline or inhale a lot of gasoline vapor, or get some gasoline in your eyes, see your doctor immediately. If gasoline spills on your skin, wash with soap and wa- ter. If gasoline spills on your clothing, change your clothes. Before refueling, check the follo...

  • Page 66: Operation

    Operation 60 tip: release the fuel vapor contained in the fuel tank. 6. While pressing and holding the pressure relief tab under the fuel tank cap again, turn the fuel tank cap counterclockwise to remove it. 7. Fill the fuel tank with fuel. Warning! Do not overfill. Otherwise fuel can ex- pand and o...

  • Page 67: Operation

    Operation 61 emu27452 operating engine warning ewm00420 before starting the engine, make sure that the boat is tightly moored and that you can steer clear of any obstructions. Be sure there are no swimmers in the water near you. When the air vent screw is loosened, gasoline vapor will be released. G...

  • Page 68: Operation

    Operation 62 4. Align the groove in the fuel joint on the outboard motor with the protrusions on the fuel hose. 5. Push in the fuel hose and turn it clock- wise to connect it securely. 6. Align the groove in the fuel joint on the fuel tank with the protrusions on the fuel hose. 7. Push in the fuel h...

  • Page 69: Operation

    Operation 63 fuel valve may also be equipped on the boat. Open the fuel valve. Tip: check the boat’s manual for the position of the fuel valve. 10. Squeeze the primer pump, with the ar- row pointing up, until you feel it become firm. During engine operation, place the tank horizontally, otherwise fu...

  • Page 70: Operation

    Operation 64 3. Place the throttle grip in the “ ” (start) position. After the engine starts, return the throttle to the fully closed po- sition. 4. Turn the main switch to “ ” (start), and hold it for a maximum of 5 seconds. 5. Immediately after the engine starts, re- lease the main switch and allo...

  • Page 71: Operation

    Operation 65 tip: the start-in-gear protection device prevents the engine from starting except when in neu- tral. 2. Attach the engine shut-off cord to a se- cure place on your clothing, or your arm or leg. Then install the clip on the other end of the cord into the engine shut-off switch. 3. Turn t...

  • Page 72: Operation

    Operation 66 emu27670 warming up engine emu27716 manual start and electric start models 1. After starting the engine, allow it to idle for 3 minutes to warm up. Failure to do so will shorten engine life. 2. Be sure the low oil pressure-alert indica- tor goes off after starting the engine. Notice: if...

  • Page 73: Operation

    Operation 67 gear) [about 35 (a detent can felt) for re- mote control models]. To shift from in gear (forward/reverse) to neutral 1. Close the throttle so that the engine slows to idle speed. 2. After the engine is at idle speed in gear move the remote control lever / gear shift lever firmly and cr...

  • Page 74: Operation

    Operation 68 pact the steering wheel or other parts of the boat. This could increase the risk of serious injury. It could also damage the shift mechanism. Do not shift into reverse while traveling at planing speeds. Loss of control, boat swamping, or damage to the boat could occur. The boat is not e...

  • Page 75: Operation

    Operation 69 2. After stopping the engine, disconnect the fuel hose from the fuel joint on the outboard motor by turning it counter- clockwise. 3. Install the fuel joint cap on the outboard motor. 4. Disconnect the fuel hose from the fuel joint on the fuel tank by turning it coun- terclockwise. 5. T...

  • Page 76: Operation

    Operation 70 emu27862 trimming outboard motor warning ewm00740 excessive trim for the operating condi- tions (either trim up or trim down) can cause boat instability and can make steering the boat more difficult. This in- creases the possibility of an accident. If the boat begins to feel unstable or...

  • Page 77: Operation

    Operation 71 to raise the bow (trim-out), press the switch “ ” (up). To lower the bow (trim-in), press the switch “ ” (down). Make test runs with the trim set to different angles to find the position that works best for your boat and operating conditions. Emu27912 adjusting boat trim when the boat i...

  • Page 78: Operation

    Operation 72 tip: depending on the type of boat, the outboard motor trim angle may have little effect on the trim of the boat when operating. Emu27935 tilting up and down if the engine will be stopped for some time or if the boat is moored in shallows, the out- board motor should be tilted up to pro...

  • Page 79: Operation

    Operation 73 3. Pull the tilt support lever toward you to support the engine. Warning! After tilting the outboard motor, be sure to support it with the tilt support knob or tilt support lever. Otherwise the out- board motor could fall back down suddenly if oil in the power trim and tilt unit or in t...

  • Page 80: Operation

    Operation 74 3. Push the power trim and tilt switch “ ” (down) to lower the outboard motor to the desired position. Emu28062 shallow water emu32851 power trim and tilt models the outboard motor can be tilted up partially to allow operation in shallow water. Notice ecm00260 do not tilt the outboard m...

  • Page 81: Operation

    Operation 75 2. Slightly tilt the outboard motor up to the desired position using the power trim and tilt switch. Warning! Using the power trim and tilt switch on the bot- tom cowling while the boat is moving or engine is on could increase the risk of falling overboard and could distract the operato...

  • Page 82: Maintenance

    76 maintenance emu43250 transporting and storing outboard motor warning ewm02620 use care when transporting fuel tank, whether in a boat or car. Do not fill fuel container to maximum capacity. Gasoline will expand consid- erably as it warms up and can build up pressure in the fuel container. This ca...

  • Page 83: Maintenance

    Maintenance 77 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 the engine oil. Do not place the outboard motor on its side before the cooling water ...

  • Page 84: Maintenance

    Maintenance 78 silencer or the fogging hole of the silenc- er cover, if equipped. When properly done, the engine 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. Drain the cooling water completely ...

  • Page 85: Maintenance

    Maintenance 79 2. Screw the garden hose adapter onto a garden hose, which is connected to a fresh water supply, and then connect it to the garden hose connector. 3. With the engine off, turn on the water tap and let the water flush through the cool- ing passages for about 15 minutes. Turn off the wa...

  • Page 86: Maintenance

    Maintenance 80 clean and paint the areas. A touch-up paint is available from your yamaha dealer. Emu2848b periodic maintenance warning ewm01871 these procedures require mechanical skills, tools, and supplies. If you do not have the proper skills, tools, or supplies to perform a maintenance procedure...

  • Page 87: Maintenance

    Maintenance 81 emu34446 maintenance chart 1 tip: refer to the sections in this chapter for explanations of each owner-specific action. The maintenance cycle on these charts assume usage of 100 hours per year and regular flushing of the cooling water passages. Maintenance frequency should be adjusted...

  • Page 88: Maintenance

    Maintenance 82 fuel filter (can be dis- assembled) inspection or replace- ment as necessary fuel line (high pres- sure) inspection fuel line (high pres- sure) inspection or replace- ment as necessary fuel line (low pres- sure) inspection fuel line (low pres- sure) inspection or replace- ment as nece...

  • Page 89: Maintenance

    Maintenance 83 emu34451 maintenance chart 2 cooling water inlet inspection main switch/stop switch inspection or replace- ment as necessary wire harness connec- tions/wire coupler con- nections inspection or replace- ment as necessary (yamaha) meter/gauge inspection fuel tank (yamaha por- table tank...

  • Page 90: Maintenance

    Maintenance 84 emu28934 greasing yamaha marine grease (water resistant grease) f50b, t50b, f60b, t60b, f70a zmu07923 6c1-9-3b-1e0.Book 84 ページ ２０１２年１１月１９日 月曜日 午前１０時３５分.

  • Page 91: Maintenance

    Maintenance 85 f50hb, f60hb, f70ha emu28958 cleaning and adjusting spark plug the spark plug is an important engine com- ponent and is easy to inspect. The condition of the spark plug can indicate something about the condition of the engine. For exam- ple, if the center electrode porcelain is very w...

  • Page 92: Maintenance

    Maintenance 86 sulator. A damaged insulator could allow external sparks, which could lead to explosion or fire. [ewm00561] 3. Be sure to use the specified spark plug, otherwise the engine may not operate properly. Before fitting the spark plug, measure the electrode gap with a wire thickness gauge; ...

  • Page 93: Maintenance

    Maintenance 87 2. Once the engine has warmed up, verify whether the idle speed is set to specifi- cation. For idle speed specifications, see page 14. If you have difficulty verifying the idle speed, or the idle speed requires adjustment, consult a yamaha dealer or other qualified mechanic. Emu38806 ...

  • Page 94: Maintenance

    Maintenance 88 tip: if the oil does not drain easily, change the tilt angle or turn the outboard motor to port and starboard to drain the oil. 7. Put a new gasket on the oil drain screw. Apply a light coat of oil to the gasket and install the drain screw. Tip: if a torque wrench is not available whe...

  • Page 95: Maintenance

    Maintenance 89 10. Remove the oil dipstick and wipe it clean. 11. Insert the dipstick and remove it again. Be sure to completely insert the dipstick into the dipstick guide, otherwise the oil level measurement will be incorrect. 12. Recheck the oil level using the dipstick to be sure the level falls...

  • Page 96: Maintenance

    Maintenance 90 off switch. Turn off the battery cut-off switch if your boat has one. Do not use your hand to hold the propeller when loosening or tightening the propeller nut. Put a wood block between the anti-cavi- tation plate and the propeller to prevent the propeller from turning. Checkpoints ch...

  • Page 97: Maintenance

    Maintenance 91 shaft. 2. Install the spacer (if equipped), thrust washer, washer (if equipped), and pro- peller on the propeller shaft. Notice: make sure to install the thrust washer before installing the propeller. Other- wise, the lower case and propeller boss could be damaged. [ecm01881] 3. Insta...

  • Page 98: Maintenance

    Maintenance 92 equipped, remove all metal particles from the screw before installing it. Always use new gaskets. Do not reuse the removed gaskets. 4. Remove the oil level plug and gasket to allow the oil to drain completely. Notice: check the used gear oil after it has been drained. If the gear oil ...

  • Page 99: Maintenance

    Maintenance 93 7. Put a new gasket on the gear oil drain screw. Insert and tighten the gear oil drain screw. Emu29316 inspecting and replacing anode(s) yamaha outboard motors are protected from corrosion by sacrificial anodes. Inspect the external anodes periodically. Remove scales from the surfaces...

  • Page 100: Maintenance

    Maintenance 94 2. Check the battery’s charge. If your boat is equipped with the digital speedome- ter, the voltmeter and low battery alert functions will help you monitor the bat- tery’s charge. If the battery needs charg- ing, consult your yamaha dealer. 3. Check the battery connections. They shoul...

  • Page 101: Trouble Recovery

    95 trouble recovery emu29427 troubleshooting a problem in the fuel, compression, or igni- tion systems can cause poor starting, loss of power, or other problems. This section de- scribes basic checks and possible remedies, and covers all yamaha outboard motors. Therefore some items may not apply to ...

  • Page 102: Trouble Recovery

    Trouble recovery 96 q. Is fuel system obstructed? A. Check for pinched or kinked fuel line or other obstructions in fuel system. Q. Is fuel contaminated or stale? A. Fill tank with clean, fresh fuel. Q. Is fuel filter clogged? A. Clean or replace filter. Q. Have ignition parts failed? A. Have servic...

  • Page 103: Trouble Recovery

    Trouble recovery 97 q. Is load on boat improperly distributed? A. Distribute load to place boat on an even plane. Q. Is water pump or thermostat faulty? A. Have serviced by a yamaha dealer. Q. Is there excess water in fuel filter cup? A. Drain filter cup. Engine power loss. Q. Is propeller damaged? ...

  • Page 104: Trouble Recovery

    Trouble recovery 98 q. Is fuel joint connection incorrect? A. Connect correctly. Q. Is heat range of spark plug incorrect? A. Inspect spark plug and replace it with rec- ommended type. Q. Is high pressure fuel pump drive belt bro- ken? A. Have serviced by a yamaha dealer. Q. Is engine not responding...

  • Page 105: Trouble Recovery

    Trouble recovery 99 f50, t50, f60, t60 f70 emu29525 power trim and tilt will not operate if the engine cannot be tilted up or down with the power trim and tilt because of a dis- charged battery or a failure with the power trim and tilt unit, the engine can be tilted manually. 1. Loosen the manual va...

  • Page 106: Trouble Recovery

    Trouble recovery 100 emu41461 water separator-alert indicator blinks while cruising warning ewm01500 gasoline is highly flammable, and its va- pors are flammable and explosive. Do not perform this procedure on a hot or running engine. Allow the engine to cool. There will be fuel in the fuel filter. ...

  • Page 107: Trouble Recovery

    Trouble recovery 101 6. Drain the water in the filter cup by soak- ing it up with a rag. 7. Firmly screw the filter cup onto the filter housing. Notice: be careful not to twist the water detection switch lead when screwing the filter cup onto the filter housing. [ecm01970] 8. Connect the water detec...

  • Page 108: Trouble Recovery

    Trouble recovery 102 5. Disconnect the water detection switch coupler. Notice: be careful not to get any water on the water detection switch coupler, otherwise a malfunc- tion could occur. [ecm01950] 6. Unscrew the filter cup from the filter housing. Notice: be careful not to twist the water detecti...

  • Page 109: Trouble Recovery

    Trouble recovery 103 11. Install the cover. 12. Install the top cowling. 13. Start the engine and make sure that the water separator-alert indicator remains off. Have a yamaha dealer inspect the outboard motor after returning to port. Emu29542 starter will not operate if the starter mechanism does n...

  • Page 110: Trouble Recovery

    Trouble recovery 104 f50, t50, f60, t60 f70 3. Prepare the engine for starting. For fur- ther information, see page 63. Be sure the engine is in neutral and that the clip is attached to the engine shut-off switch. 4. Turn on the main switch. 5. Insert the knotted end of the emergency starter rope in...

  • Page 111: Trouble Recovery

    Trouble recovery 105 emu33501 treatment of submerged motor if the outboard motor is submerged, immedi- ately take it to a yamaha dealer. Otherwise some corrosion may begin almost immedi- ately. Notice: do not attempt to run the outboard motor until it has been com- pletely inspected. [ecm00401] zmu0...

  • Page 112: Consumer Information

    106 consumer information emu29835 yamaha four-stroke outboard motor three-year limited warranty zmu07048 yamaha motor corporation, u.S.A. And yamaha motor canada ltd. (“yamaha”) hereby warrant that new yamaha four-stroke outboard motors will be free from defects in material and workmanship for the p...

  • Page 113: Consumer Information

    Consumer information 107 zmu07047 specific parts excluded from warranty. Parts replaced due to normal wear or routine maintenance such as oil, spark plugs, shear pins, propellers, hubs, fuel and oil filters, brushes for the starter motor and power tilt motor, water pump impellers, and anodes, are no...

  • Page 114: Consumer Information

    Consumer information 108 emu29845 important warranty information if you use your yamaha outside the u.S.A. Or canada welcome to the yamaha family! Congratulations on the purchase of your new yamaha products. Yamaha is commit- ted to exceptional customer satisfaction and we want your ownership experi...

  • Page 115

    Emu43021 for your best ownership experience, think genuine yamaha! Genuine yamaha parts — genuine yamaha replacement parts are the exact same parts as the ones originally equipped on your vehicle, providing you with the performance and du- rability you have come to expect. Why settle for aftermarket...

  • Page 116

    Printed on recycled paper printed in japan november 2012–2.8  1 ! 6c1-9-3b-1e0.Book 1 ページ ２０１２年１１月１９日 月曜日 午前１０時３５分.