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Yamaha 60A Owner's Manual

Summary of 60A

  • Page 1

    60a/70a/90a paper lit-18626-04-56 60a 70a 90a owner’s manual u.S.A.Edition 6h3-9-1l hyoshi 01.4.26 5:41 pm y [ w 1 (2,1).

  • Page 2

    6h3-9-1l hyoshi 01.4.26 5:41 pm y [ w 2 (1,1).

  • Page 3: To The Owner

    E thank you for choosing a yamaha out- board motor. This owner’s manual con- tains information needed for proper oper- ation, maintenance and care. A thorough understanding of these simple instruc- tions will help you obtain maximum enjoyment from your new yamaha. If you have any question about the ...

  • Page 4

    6h3-9-1l 1 4/26/01 5:23 pm page 2.

  • Page 5: Contents

    1 2 3 4 5 6 e contents general information basic components operation maintenance trouble recovery index read this owner’s manual carefully before operating your outboard motor. Ema20010 6h3-9-1l 1 4/26/01 5:23 pm page 3.

  • Page 6

    6h3-9-1l 1 4/26/01 5:23 pm page 4.

  • Page 7: Chapter 1

    E emb00010 chapter 1 general information identification numbers record ....................................................1-1 outboard motor serial number...........1-1 key number...........................................1-1 emission control information...1-2 safety information.......................

  • Page 8: Yamaha

    Emu00008 key number if a main key switch is equipped with the motor, 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. 1 key number 1-1 e 1 401012 904011* 123 yamaha q emu00005 identif...

  • Page 9: Emission Control

    1-2 e q w emu01385 emission control information emu01386 north american models this engine conforms to u.S. Environmental protection agency (epa) regulations for marine si engines. See the label affixed to your engine for details. Approval label of emission control certificate this label is attached...

  • Page 10: Safety

    E 1-3 emu00917 safety information 8 before mounting or operating the out- board motor, read this entire manual. Reading it should give you an under- standing of the motor and its operation. 8 before operating the boat, read any owner’s or operator’s manuals supplied with it and all labels. Be sure y...

  • Page 11

    E 1-4 8 when a swimmer is in the water near you shift into neutral and shut off the engine. 8 be informed about boating safety. Additional publications and information can be obtained from many organiza- tions, including the following: united states coast guard consumer affairs staff (g-bc) office o...

  • Page 12: Important Labels

    E 1-5 202021 q 202022 q 90 emb30010 important labels warning labels warning be sure shift control is in neutral before starting engine. (except 2hp) do not touch or remove electrical parts when starting or during operation. Keep hands,hair,and clothes away from flywheel and other rotating parts whil...

  • Page 13: Basic Boating Rules

    E 1-6 emb40010 basic boating rules (rules of the road) just as there are rules which apply when you are driving on streets and high ways, there are waterway rules which apply when you are driving your boat. These rules are used internationally, and are also enforced by the united states coast guard ...

  • Page 14

    E 1-7 rules when encountering vessels there are three main situations which you may encounter with other vessels which could lead to a collision unless the steering rules are followed: meeting (you are approaching another vessel head-on) crossing (you are travelling across the other ves- sel’s path)...

  • Page 15

    E 1-8 its course and speed. You must stay out of its way until you are clear of it. Likewise, if another vessel is passing you, you should maintain your speed and direction so that the other vessel can steer itself around you. Other special situations there are three other rules you should be aware ...

  • Page 16

    E 1-9 remember, markings may vary by geo- graphic location. Always consult local boating authorities before driving your boat in unfamiliar waters. 1 1 1 a 1 1 1 proceeding toward head of navigation from seaward can buoy odd number. Leave to port. Or secondary channel buoys starts new numbering syst...

  • Page 17: Fueling Instructions

    E 1-10 emu00016 fueling instructions w gasoline and its vapors are high- ly flammable and explosive! 8 do not smoke when refueling, and keep away from sparks, flames, or other sources of ignition. 8 stop engine before refueling. 8 refuel in a well-ventilated area. Refuel portable fuel tanks off the ...

  • Page 18

    E 1-11 emu00018 gasoline (petrol) if knocking or pinging occurs, use a differ- ent brand of gasoline or premium unlead- ed fuel. If unleaded gasoline is not avail- able, then leaded regular gasoline can be emu00027 gasohol there are two types of gasohol: gasohol containing ethanol and that containin...

  • Page 19: Battery Requirement

    E 1-12 emu01430¯ battery requirement c c do not use a battery that does not meet the specified capacity. If a battery which differs from the specification is used, the electrical system may perform poorly or be overloaded, causing electrical system damage. C c models with only a rectifier installed:...

  • Page 20: Propeller Selection

    E 1-13 emu01395 propeller selection the performance of your outboard motor will be critically affected by your choice of propeller, as an incorrect choice could adversely affect performance and could also seriously damage the motor. Engine speed depends on the propeller size and boat load. If engine...

  • Page 21: Start-In-Gear Protection

    E 1-14 1 propeller diameter (in inches) 2 propeller pitch (in inches) 3 type of propeller (propeller mark) refer to the section “checking pro- peller” for instructions on propeller removal and installation. Emu01209 start-in-gear protection yamaha outboard motors or yamaha approved remote control un...

  • Page 22: —Memo—

    E —memo— 6h3-9-1l 1 4/26/01 5:23 pm page 20

  • Page 23: Chapter 2

    E 2 emc00010 chapter 2 basic components main components..............................2-1 operations of controls and other functions ................................2-2 fuel tank.................................................2-2 remote control......................................2-3 power trim/til...

  • Page 24: Main Components

    Emu01206 main components q !0 w !3 !4 e r t y u i o !2 !1 e 2-1 1 top cowling 2 top cowling lock lever 3 anti-cavitation plate 4 trim tab (anode) * 5 propeller 6 cooling water inlet 7 anode 8 trim angle adjusting rod 9 clamp bracket 0 tilt support lever q power trim and tilt switch * w flushing devi...

  • Page 25: Operations of Controls

    E q w e r 902051 emc20010 operations of controls and other functions emc21012 fuel tank if your model was equipped with a portable fuel tank, its function is as fol- lows. 1 fuel hose joint 2 fuel meter(if equipped) 3 fuel tank cap 4 air vent screw(if equipped) fuel hose joint this connector is prov...

  • Page 26

    E 2-3 701011* w q e r t y u r n f q w e r t y u u t r y 701031 000323 up dn emc80612 remote control both the shifter and the throttle are actu- ated by the remote control lever. In addi- tion, this control also has the electrical switches. 1 remote control lever 2 neutral interlock trigger 3 neutral...

  • Page 27

    E 2-4 n 701033* q w on start off 701045 neutral throttle lever to open the throttle without shifting into either forward or reverse, place the remote control lever in the neutral posi- tion and lift the neutral throttle lever. Note: the neutral throttle lever will operate only when the remote contro...

  • Page 28

    E 2-5 000569 q w emc28210 engine stop lanyard switch the lock-plate on the end of the lanyard must be attached to the engine stop switch for the engine to run. The lanyard should be attached to a secure place on the operator’s clothing, or arm or leg. Should the operator fall overboard or leave the ...

  • Page 29

    E 2-6 up dn 701034* up dn 701035 emu01331 power trim/tilt switch the power trim/tilt adjusts the motor angle in relation to the transom. The power trim/tilt switch is located on the remote control lever grip. Pushing the switch “up” trims the motor up, then tilts the motor up. Pressing the switch “d...

  • Page 30

    E 2-7 emu01125 power trim/tilt switch the power trim/tilt adjusts the motor angle in relation to the transom. The power trim/tilt switch is located on the side of the bottom engine cowling. Pushing the switch “up” trims the motor up, then tilts the motor up. Pressing the switch “dn” tilts the motor ...

  • Page 31

    E 2-8 emd04011 trim tab the trim tab should be adjusted so that the steering control can be turned to either the right or left by applying the same amount of force. W an improperly adjusted trim tab may cause difficult steering. Always test run after the trim tab has been installed or replaced to be...

  • Page 32

    E 2-9 q t w u y e r 001078 001082 001049 emu01614 digital tachometer this gauge contains the tachometer, trim meter, hour meter, oil level indicator, and the overheat warning indicator. 1 tachometer 2 trim meter 3 hour meter 4 oil level indicator 5 overheat warning indicator 6 set button 7 mode butt...

  • Page 33

    2-10 e 001087 emu01620 hour meter this meter shows the number of hours the engine has been run. It can be set to show the total number of hours or the number of hours for the current trip. The display can also be turned on and off. 8 changing the display format pressing the mode button changes the d...

  • Page 34

    E 2-11 001052 q emu01553 overheat warning indicator if the engine temperature rises too high, the warning indicator will start to blink. Refer to “overheat warning” for details. 1 overheat warning indicator c c do not continue to operate the engine if a warning device has activated. If neces- sary, ...

  • Page 35

    E 2-12 403011* q 301041* 000945 q emd60010 tilt support lever to keep the outboard motor in the tilted- up position, lock the tilt support lever to the clamp bracket. Q 301042* emd63111 top cowling lock levers to remove the engine top cowling, turn the front lock lever and rear lock lever(s). Then l...

  • Page 36: Warning System

    E 2-13 701054 605015 emd80010 warning system c c do not continue to operate the engine if the warning device has activated. Consult your yamaha dealer if the problem can- not be located and corrected. Emd82012 overheat warning this engine has an overheat warning device. If the engine temperature ris...

  • Page 37

    E 2-14 001054 701054 213025 q emd84012 oil level warning / oil filter clogging warning this engine has an oil level warning sys- tem. If oil level falls below lower limit, the warning device will activate. ( 1); included (—); n/a if the warning system has been activated, stop the engine and check fo...

  • Page 38

    E 2-15 oil level warning system the various oil-level warning system functions are as follows: oil level warning indicator (digital tachometer) no refilling necessary. More than 770 cm 3 (0.81 us qt, 0.68 imp qt) buzzer sounds in remote control box and engine speed is limited to about 2,000 r/min to...

  • Page 39: Chapter 3

    1 2 4 5 6 e emf00010 chapter 3 operation installation ........................................3-1 mounting the outboard motor ............3-2 filling fuel and engine oil ............3-4 filling fuel ..............................................3-4 filling oil...........................................

  • Page 40: Installation

    E 3-1 emf10010 installation c c incorrect engine height or obstructions to smooth water flow (such as the design or condition of the boat or accessories such as transom ladders/depth finder trans- ducers) can create airborne water spray while the boat is cruising. Severe engine damage may result if ...

  • Page 41

    E 104011 q emu00176 mounting the outboard motor w improper mounting of the outboard motor could result in hazardous condi- tions such as poor handling, loss of con- trol, or fire hazards. Observe the follow- ing: 8 the information presented in this sec- tion is intended as reference only. It is not ...

  • Page 42

    E 104014 w overpowering a boat may cause severe instability. Do not install an outboard motor with more horsepower than the maximum rating on the capacity plate of the boat. If the boat does not have a capacity plate, consult the boat manufac- turer. Emu01299 mounting height to run your boat at opti...

  • Page 43: Filling Fuel and

    E 902055 emu01031 filling fuel 1) remove the fuel tank cap. 2) fill the fuel tank carefully. 3) close the cap securely after refueling. Wipe up any spilled fuel. Ring free fuel additive gasoline is a precise blend of many differ- ent substances, each chosen to give cer- tain characteristics. Gasolin...

  • Page 44

    Emf32310 filling oil (for precision blend system model) this engine uses the yamaha preci- sion blend system, which provides superior lubrication by ensuring the prop- er oil ratio for all operating conditions. No fuel premixing is needed (except during break-in/running-in). Simply pour gaso- line i...

  • Page 45: Pre-Operation Checks

    E 3-6 203016 q w emf40110 pre-operation checks w if any item in the pre-operation check is not working properly, have it inspected and repaired before operating the out- board motor. Otherwise, an accident could occur. Fuel check to be sure you have plenty of fuel for your trip. Make sure there are ...

  • Page 46

    E 212011* engine check the engine and engine mounting. Look for loose or damaged fasteners. Check the propeller for damage. C c do not start the engine out of water. Overheating and serious engine damage can occur. Emf44010 operation after a long period of storage (for precision blend system model) ...

  • Page 47: Breaking In (Running In)

    E 3-8 emf50112 breaking in (running in) engine your new engine requires a period of break-in (running-in) to allow mating sur- faces of moving parts to wear-in evenly. Correct break-in (running-in) will help ensure proper performance and longer engine life. C c 8 failure to follow the break-in (runn...

  • Page 48

    E emu00227 run the engine under load (in gear with a propeller installed) as follows. 1) first 10 minutes: run the engine at the lowest possi- ble-speed. A fast idle in neutral is best. 2) next 50 minutes: do not exceed half throttle (approxi- mately 3,000 r/min). Vary engine speed occasionally. If ...

  • Page 49: Starting Engine

    E 3-10 304034* 902053 emu01147 starting engine w 8 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. 8 when the air vent screw is loosened, gasoline (petrol) vapor will be relea...

  • Page 50

    E 3-11 000293 emf65010 procedure for remote control model 4) place the remote control lever in the neutral position. Note: 8 the start-in-gear protection device pre- vents the engine from starting except when in neutral. 8 it is not necessary to open the free accelerator lever or neutral throttle le...

  • Page 51

    E 3-12 emu00949 electric start model 7) turn the main switch to “start”, and hold it for a maximum of 5 sec- onds. 8) immediately after the engine starts, release the main switch to return it to “on”. C c 8 do not turn the main switch to “start” when the engine is running. 8 do not keep the starter-...

  • Page 52: Warming Up Engine

    E 3-13 309014 emg00210 warming up engine 1) before beginning operation, allow the engine to warm up at idling speed for 3 minutes. (failure to do this will shorten engine life.) 2) check for a steady flow of water from the cooling-water pilot hole. C c a continuous flow of water from the pilot hole ...

  • Page 53: Shifting

    E 3-14 701043 n f emu00261 shifting w before shifting, make sure there are no swimmers or obstacles in the water near you. C c to change the shifting position from for- ward to reverse or vice-versa, close the throttle first so that the engine idles (or runs at low speeds). N r 701044 emu00264 forwa...

  • Page 54: Stopping Engine

    E 3-15 on start off 701023 304034* 902052 emg38010 stopping engine let it cool off for a few minutes at idle or low speed first. Stopping the engine immediately after operating at high speed is not recommended. Emg41211 procedure 1) turn the main switch to “off”. Note: the engine can also be stopped...

  • Page 55: Trimming Outboard

    E 3-16 000862 q emu01412 trimming outboard motor the trim angle of the outboard motor helps determine the position of the bow of the boat in the water. The correct trim angle will help improve performance and fuel economy while reducing strain on the engine. The correct trim angle depends upon the c...

  • Page 56

    E 3-17 up dn 701034 up dn q emu01401 power trim/tilt model w 8 be sure all people are clear of the out- board motor when adjusting the trim/tilt angle, also be careful not to pinch any body parts between the drive unit and clamp bracket. 8 use caution when trying a trim position for the first time. ...

  • Page 57

    E 3-18 105011 q 105013 w 105015 e bow up when the boat is on plane, a bow-up atti- tude result in less drag, greater stability and efficiency. This is generally when the keel line of the boat is up about 3 to 5 degrees. When trimmed out, the boat may have more tendency to steer to one side or the ot...

  • Page 58: Tilting Up/down

    E 3-19 000817 emu01200 tilting up/down if the engine will be stopped for some time, or if the boat is moored in shallows, the engine should be tilted up to protect the propeller and casing from damage by collision with obstructions, and also to reduce salt corrosion. C c before tilting the motor, fo...

  • Page 59

    E 3-20 up dn 701034* up dn 302021* dn up 403011* 411014 emu00295 procedure for tilting up power tilt / power trim/tilt model 1) remove the fuel-line connection from the motor. (if the connector is provid- ed on the motor.) 2) push the power tilt / power trim/tilt switch “up” until the outboard has t...

  • Page 60: Cruising In Other

    E 3-21 411021 c c be sure to retract the trim rods complete- ly during mooring. This protects the rods from marine growths and corrosion which could damage the power trim/tilt mechanism. Emh60010 cruising in other conditions cruising in salt water after operating in salt water, wash out the cooling-...

  • Page 61: Chapter 4

    1 2 3 5 6 e emk00010 chapter 4 maintenance specification data.............................4-1 transporting and storing outboard motor ...............................4-3 trailering outboard motor ...................4-3 storing outboard motor .......................4-4 periodic maintenance...............

  • Page 62: Specification Data

    Emk10011* specification data 4-1 model unit 60tra item 25 (2.5, 18) 35 (3.5, 25) 8spark plug n•m (kgf•m, lb•ft) 8propeller nut n•m (kgf•m, lb•ft) dimensions performance 8overall length mm (in.) 8overall width mm (in.) 8overall height l/x mm (in.) 8transom height l/x mm (in.) 8weight kg (lb.) 713 (28...

  • Page 63

    4-2 70tra 90tra — 713 (28.1) 364 (14.3) 1,374 (54.1)/1,501 (59.1) 521 (20.5)/648 (25.5) 107.5 (237)/110.5 (244) 5,000~6,000 51.5 (70) at 5,500 r/min 750~850 2-stroke, l 3 849 (51.8) 72.0 × 69.5 (2.8 × 2.7) c.D.I system b8hs-10 0.9~1.0 (0.035~0.039) remote control electric start 12-70~100 380 124 12-...

  • Page 64: Transporting and

    E 4-3 emu01369 transporting and storing outboard motor w leaking fuel is a fire hazard. When trans- porting and storing the outboard motor, close the air vent screw and fuel cock to prevent fuel from leaking. 000940 emu00326 trailering outboard motor the motor should be trailered and stored in the n...

  • Page 65

    E emk16010 storing outboard motor when storing your yamaha outboard for prolonged periods of time, (2 months or longer), several important procedures must be performed to prevent expensive damage. This is especially important for your precision blend equipped outboard due to the lean oil ratios used...

  • Page 66

    E 605014 emk22111 flushing cooling system and fogging engine cooling system flushing is essential to prevent the cooling system from clogging up with salt, sand, or dirt. In addition, fog- ging of the engine is mandatory to pre- vent expensive engine damage due to rust. Perform the flushing and fogg...

  • Page 67

    E 4-6 emk26111 lubrication 1) remove the spark plugs, and spray a 10 second spray of “yamaha stor- rite engine fogging oil” into each cylinder. Grease the spark plug threads and reinstall the spark plugs and torque to proper specification. (refer to “cleaning and adjust- ing spark plug”.) 2) turn th...

  • Page 68

    E 4-7 emk29010 battery care w battery electrolyte is poisonous and dan- gerous, causing severe burns, etc. It con- tains sulfuric acid. Avoid contact with skin, eyes, or clothing. Antidote: external; flush with water. Internal; drink large quantities of water or milk. Follow with milk of mag- nesia,...

  • Page 69: Periodic Maintenance

    E 4-8 emk32110 periodic maintenance w be sure to turn off the engine when you perform maintenance unless otherwise specified. If the owner is not familiar with machine servicing, this work should be done by a yamaha dealer or other quali- fied mechanic. A service manual is available for purchase thr...

  • Page 70

    4-9 note: cooling water passages; when operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use. Interval item initial every refer page 10 hours 50 hours (3 months) 100 hours (6 months) 200 hours (1 year) carburetor cooling water passages fuel filt...

  • Page 71

    E 4-10 emu01202 cleaning and adjusting spark plug w 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 component and is easy to inspect. The co...

  • Page 72

    E 903022 q w 4-11 when fitting the plug, always clean the gasket surface and use a new gasket. Wipe off any 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 esti- mate of the correct torque is...

  • Page 73

    4-12 emk38010 checking fuel system w gasoline (petrol) and its vapors are highly flammable and explosive. Keep away from sparks, cigarettes, flames or other sources of ignition. Check the fuel line for leaks, cracks, or malfunctions. If any problem is found, it should be repaired immediately by yama...

  • Page 74

    E 207016 emk50011 cleaning fuel filter w gasoline (petrol) is highly flammable, and its vapors are flammable and explosive. 8 if you have any question about properly doing this procedure, consult your yamaha dealer. 8 do not perform this procedure on a hot or running engine. Allow the engine to cool...

  • Page 75

    E 207013 q w e r 4) reinstall the filter element in the cup. Make sure the o-ring in position in the cup. Firmly screw the cup onto the filter housing. 5) attach the filter assembly to the bracket with that the fuel hoses are attached to the filter assembly. 6) run the engine and check the filter an...

  • Page 76

    E 204015 q 213013 q w 213014 q w 2) adjust the throttle stop-screw to set the idling speed to specification (see “specifications”) by turning the stop-screw clockwise to increase the idling speed, and turning it counter- clockwise to decrease the idling speed. Note: correct idling-speed adjustment i...

  • Page 77

    E 205016 q w 413011 emu01329 replacing fuse if the fuse has blown on an electric start model, open the fuse holder and replace the fuse with a new one of proper amper- age. W be sure to use the specified fuse. An incorrect fuse or a piece of wire may allow excessive current flow. This could cause el...

  • Page 78

    Emu00366 greasing yamaha marine grease (water resistant grease) 4-17 103031* e 6h3-9-1l 4 4/26/01 5:32 pm page 4-17.

  • Page 79

    E 411015 411016 eml02011 checking power trim and tilt system w 8 never get under the lower unit while it is tilted, even when the tilt-support lever is locked. Severe injury could occur if the outboard accidentally falls. 8 make sure no one is under the out- board before performing this test. 1) che...

  • Page 80

    E 210012 602051 602054 eml08011* checking propeller w you could be seriously injured if the engine accidentally starts while you are near the propeller. 8 before inspecting, removing or installing the propeller, remove the spark plug caps from the spark plugs. Also, put the shift control in neutral,...

  • Page 81

    E 602053 emu00397 installing the propeller c c 8 be sure to install the thrust washer before installing propeller, otherwise, lower case and propeller boss may be damaged. 8 be sure to use a new cotter pin and bend the ends over securely. Otherwise, the propeller could come off during operation and ...

  • Page 82

    E q w 601016 eml20010 changing gear oil w never get under the lower unit while it is tilted, even when the tilt-support lever is locked. Severe injury could occur if the outboard accidentally falls. 1) put the outboard in a vertical position (not tilted). W be sure the outboard is securely fastened ...

  • Page 83

    E 601015 603024 405012 5) with the outboard motor in an verti- cal position, using a flexible or pres- surized filling device, inject outboard motor hypoid gear oil (sae 90) into the oil drain plug hole. 6) when oil begins to flow out of the oil level plug hole, insert and tighten the oil level plug...

  • Page 84

    E eml26010 checking battery (for electric start model) w battery electrolytic fluid is dangerous; it contains sulfuric acid and therefore is poi- sonous and highly caustic. Always follow these preventive mea- sures: 8 avoid bodily contact with electrolytic fluid as it can cause severe burns or perma...

  • Page 85

    E 1) check the electrolyte level at least once a month. Fill to the manufactur- er’s recommended level when neces- sary. Top up only with distilled water (or pure de-ionized water suitable to use in batteries). C c ordinary tap-water contains minerals harmhul to a battery, and should not be used for...

  • Page 86

    E emu01280 disconnecting the battery disconnect the black lead from the neg- ative (-) terminal first. Then disconnect the red lead from the positive (+) termi- nal. 4-25 c c 8 make sure the main switch (on applica- ble models) is “off” before working on the battery. 8 reversal of the battery leads ...

  • Page 87

    E q w e 000841 eml40010 checking bolts and nuts 1) check that bolts securing the cylinder head and engine and the nut securing the flywheel are tightened with their specified tightening torques. 2) check the tightening torques of other bolts and nuts. Emu00409 motor exterior emu00410 cleaning the ou...

  • Page 88

    E 102025 c c do not leave the garden-hose connector loose on the bottom cowling fitting or let the hose hang free during normal opera- tion. Water will leak out of the connector instead of cooling the engine, which can cause serious overheating. Be sure the connector is tightened securely on the fit...

  • Page 89: Chapter 5

    1 2 3 6 4 e emn00010 chapter 5 trouble recovery troubleshooting ..............................5-1 temporary action in emergency ............................................5-5 impact damage .....................................5-5 power trim/tilt will not operate............5-5 starter will not oper...

  • Page 90: Troubleshooting

    E 5-1 emu01204¯ troubleshooting a problem in the fuel, compression, or ignition systems can cause poor starting, loss of power, or other problems. The troubleshooting chart describes basic checks and possi- ble remedies. (this chart covers all yamaha outboard motors. Therefore, some items may not ap...

  • Page 91

    E 5-2 c. Engine idles irregularly or stalls. Trouble possible cause remedy 1. Spark plug(s) fouled or incorrect type. 2. Fuel system obstructed. 3. Fuel contaminated or stale. 4. Fuel filter clogged. 5. Failed ignition parts. 6. Warning system activated. 7. Spark plug gap incorrect. 8. Poor connecti...

  • Page 92

    E 5-3 d. Warning buzzer sounds or indicator lamp lights. Trouble possible cause remedy 1. Cooling system clogged. 2. Engine oil level low. 3. Heat range of spark plug incorrect. 4. Specified engine oil not used. 5. Engine oil contaminated or deteriorated. 6. Oil filter clogged. 7. Oil feed/injection...

  • Page 93

    E 5-4 trouble possible cause remedy 13. Poor connections or damaged ignition wiring. 14. Failed ignition parts. 15. Specified engine oil not used. 16. Thermostat faulty or clogged. 17. Air vent screw closed. 18. Fuel pump damaged. 19. Fuel joint connection incorrect. 20. Heat range of spark plug inc...

  • Page 94: Temporary Action In

    E 607011 411012 q 5-5 emn20010 temporary action in emergency emh80010 impact damage w 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 any object in the water, follow the pro...

  • Page 95

    E 5-6 emn30410 starter will not operate if the starter mechanism does not operate (engine cannot be cranked with the starter), the engine can be started with an emergency starter rope. W 8 use this procedure only in an emer- gency and only to return to port for repairs. 8 when the emergency starter ...

  • Page 96

    E 208022 on start off 701026 208016 procedure 1) remove the top cowling. 2) remove the flywheel cover by remov- ing the bolts. 5-7 3) prepare the engine for starting. See “starting engine” for procedures. Be sure the engine is in neutral and that the lanyard is attached to the engine stop switch. Th...

  • Page 97

    E 216012 q w emn32311 engine fails to operate if battery voltage is low or in the unlikely event of an ignition system malfunction, the engine speed may become erratic or the engine may stop. In such a case, dis- connect the connection on the yellow cord (emergency circuit) to return to port. W when...

  • Page 98

    E 902025 n 701014 5-9 1) adjust the trim angle so that the drive shaft is at right angles to the water surface or is trimmed in. 2) open the emergency starter valve located behind the silencer cover on the front side. 214013 open close 3) squeeze the priming pump two or three times to feed fuel. 4) ...

  • Page 99

    E open close 214014 7) after the engine starts, return the emergency starter valve (if used) to “close”. Note: when the starter mechanism malfunc- tions, refer to “starter will not operate”. 5-10 6h3-9-1l 5 4/26/01 5:34 pm page 5-10

  • Page 100

    E 107012 107013 107014 emn50011 treatment of submerged motor if the outboard motor is submerged, immediately take it a yamaha dealer. Otherwise, some corrosion may begin almost immediately. If you cannot imme- diately take the outboard motor to a yamaha dealer, follow the procedure bel- low for taki...

  • Page 101: Chapter 6

    1 2 3 4 5 e emp00010 chapter 6 index index ........................................................6-1 6 6h3-9-1l 6 4/26/01 5:35 pm page 1.

  • Page 102: Index

    E engine oil ................................................1-11 engine stop lanyard switch.....................2-5 exhaust leakage .....................................4-16 f filling fuel .................................................3-4 filling fuel and engine oil........................3-4 fi...

  • Page 103

    6-2 motor exterior ........................................4-26 mounting the outboard motor ...............3-2 mounting height ......................................3-3 n neutral interlock trigger ..........................2-3 neutral throttle lever ...............................2-4 o oil-level ind...

  • Page 104: Canada

    Emu01599 important warranty information for u.S.A. And canada welcome to the yamaha family! Congratulations on the purchase of your new yamaha marine power. Yamaha is commit- ted to exceptional customer satisfaction, and we want your ownership experience to be a satisfying one. Please read the follo...

  • Page 105

    5. Your warranty applies specifically to repairs made in the country of purchase. If your u.S.-purchased yamaha needs warranty service while in canada, or your canadian pur- chased yamaha needs service while in the united states, yamaha will assist the local dealer whenever possible. However, some p...

  • Page 106

    Emu00912* yamaha motor corporation, u.S.A. Outboard motor two year limited warranty yamaha motor corporation, u.S.A. Is proud of its heritage and reputation for producing products with high standards of quality and workmanship. Product excellence provides the cornerstone for our commitment to custom...

  • Page 107

    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 not covered by warranty. Charges for ...

  • Page 108

    Customer service if your machine requires warranty service, you must take it to any authorized yamaha outboard dealer within the continental united states. Be sure to bring your warranty registration identification or other valid proof of the original date of purchase. If a question or problem arise...

  • Page 109

    Emu01178 important warranty information if you use your yamaha outside u.S.A. Or canada welcome to the yamaha family! Congratulations on the purchase of your new yamaha marine power. Yamaha is com- mitted to exceptional customer satisfaction, and we want your ownership experience to be a satisfying ...

  • Page 110

    6h3-9-1l 6 4/26/01 5:35 pm page 6-9.

  • Page 111

    Gm6-9-05-6 0.10.13 16:59 ページ 6-7.

  • Page 112

    60a/70a/90a printed in japan april 2001—0.6 × 1 ! 6h3-28199-1l (60feto, 70beto, 90aeto) (e) printed on recycled paper ow 6h3-9-1l hyoshi 01.4.26 5:41 pm y [ w 1 (1,1).

  • Page 113

    60a/70a/90a paper lit-18626-04-56 60a 70a 90a owner’s manual u.S.A.Edition 6h3-9-1l hyoshi 01.4.26 5:41 pm y [ w 1 (2,1).