- DL manuals
- Yamaha
- Outboard Motor
- 115C
- Owner's Manual
Yamaha 115C Owner's Manual
Summary of 115C
Page 1
Printed in japan march 2003-0.5 × 1 ! 64c-28199-18 (115ceto, 130beto, 150feto, 150geto) (e) printed on recycled paper 115c 130c 150c v150c owner’s manual u.S.A.Edition lit-18626-05-45 64c-9-18_hyoshi 2/18/03 9:18 am page 1.
Page 2
64c-9-18_hyoshi 2/18/03 9:18 am page 2.
Page 3: To The Owner
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 op...
Page 4: Contents
Ema20010 contents general information basic components operation maintenance trouble recovery index e 1 2 3 4 5 6 read this owner’s manual carefully before operating your outboard motor. 64c-9-18-1 2/18/03 10:16 am page 3.
Page 5: Chapter 1
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 6: Identification Numbers
1-1 emu00005 identification numbers record emu00007 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 num- ber in the spaces provided to assist you in ordering spare parts from your ...
Page 7: Emission Control
1-2 e ****** q w ****** q w v4 v6 emu01385 emission control information emu01386 north american models this engine conforms to u.S. Environ- mental protection agency (epa) regula- tions for marine si engines. See the label affixed to your engine for details. Approval label of emission control certif...
Page 8: Safety
1-3 e 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 9
1-4 e 8 when a swimmer is in the water near you shift into neutral and shut off the engine. 8 be informed about boating safety. Addi- tional publications and information can be obtained from many organizations, including the following: united states coast guard consumer affairs staff (g-bc) office o...
Page 10: Important Labels
1-5 emu00140¯ important labels warning labels 1 e 001777 q 001778 q location 001206 w v4 v6 engine oil only warning 6e5-13437-43 pour the engine oil into this oil tank, not gasoline. Recommended oil: yamalube 2 stroke outboard oil or an equivalent tc-w3 certified outborad oil. Do not add gasoline to...
Page 11: Basic Boating Rules
1-6 e 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 12
1-7 e 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 13
1-8 e 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 of when driving your boat around other vessels....
Page 14
1-9 e remember, markings may vary by geo- graphic location. Always consult local boat- ing authorities before driving your boat in unfamiliar waters. 1 1 a 1 1 proceeding toward head of navigation from seaward can buoy odd number. Leave to port. Or secondary channel buoys starts new numbering system...
Page 15: Fueling Instructions
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 bo...
Page 16
1-11 emu01804 gasoline if knocking or pinging occurs, use a differ- ent brand of gasoline or premium unlead- ed fuel. Emu00027 gasohol there are two types of gasohol: gasohol containing ethanol and that containing methanol. Gasohol containing ethanol can be used if ethanol content does not exceed 10...
Page 17: Battery Requirement
1-12 emu01775 battery requirement c c do not use a battery that does not meet the specified capacity. If a battery which does not meet specifications is used, the electric system could perform poorly or be overloaded, causing electric system damage. For electric start models, choose a battery which ...
Page 18
1-13 yamaha outboard motors are fitted with propellers chosen to perform well over a range of applications, but there may be uses where a propeller with a different pitch would be more appropriate. For a greater operating load, a smaller-pitch propeller is more suitable as it enables the correct eng...
Page 19: Start-In-Gear Protection
1-14 e emu01209 start-in-gear protection yamaha outboard motors or yamaha approved remote control units are equipped with start-in-gear protection device(s). This feature permits the engine to be started only when it is neutral. Always select neutral before starting the engine. 64c-9-18-1 2/18/03 10...
Page 20: -Memo-
E -memo- 64c-9-18-1 2/18/03 10:16 am page 20
Page 21: Chapter 2
Emc00010 chapter 2 basic components main components..............................2-1 operations of controls and other functions ................................2-3 remote control .....................................2-3 choke knob ...........................................2-8 trim tab ................
Page 22: Main Components
2-1 e emu01206 main components q e r t y u i o !1 !2 !3 trip trip time time batt batt km/h km/h knot mph km mile speed speed yamaha set set mode mode !5 !8 !0 w !1 !4 !6 !7 1 power trim and tilt switch * 2 flushing device 3 tilt support lever 4 anti-cavitation plate 5 trim tab (anode) * 6 propeller ...
Page 23: Main Components
2-2 e emu01206 main components trip trip time time batt batt km/h km/h knot knot mph km mile speed speed yamaha set set mode mode !5 !6 !8 !7 q w e r t y u i o !0 !1 !2 !3 !4 !1 v150 1 power trim and tilt switch 2 flushing device 3 tilt support lever 4 anti-cavitation plate 5 trim tab (anode) * 6 pr...
Page 24: Operations of Controls
2-3 e 000200 w q e r t y u emc20010 operations of controls and other functions emu00096 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 neut...
Page 25
2-4 e r n f q w e r t y u u t r y 701031 701034** up dn n 701033* q w emc50010* remote control lever moving the lever forward from the neu- tral position engages forward gear. Pulling the lever back from neutral engages reverse. The engine will contin- ue to run at idle until the lever is moved abou...
Page 26
2-5 e on start off 701021 701055 emc48110 main switch the main switch controls the ignition sys- tem; its operation is described below. 8 off electrical circuits switched off. (the key can be removed.) 8 on electrical circuits switched on. (the key cannot be removed.) 8 start starter-motor will turn...
Page 27
2-6 e 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 28
2-7 e up dn 701034** up dn 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 “dn” til...
Page 29
E q w e 603014 a b 603012 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 instal...
Page 30
E 2-9 302012 up down 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. Push- ing the switch “up” trims the motor up, then tilts the motor up. Pressing the switch “dn”...
Page 31
E 2-10 001082 001049 q t w u y e r 001078 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 but...
Page 32
E 2-11 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 33
E 2-12 001051 q 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 nece...
Page 34
E 2-13 q w e 802023* emd25110 speedometer the meter will show the boat speed. Note: the speedometer displays km/h, mph, or knots, depending upon operator prefer- ence. Select the desired unit of measure- ment by setting the selector switch on the back of the meter. See the illustration for setting. ...
Page 35
E 2-14 802024 trip time batt km/h knot mph km mile speed yamaha set mode emu01274 trip meter this meter displays the distance the boat has traveled since the meter was last reset. Repeatedly push and release the “mode” button until the indicator on the face of the meter points to “trip”. To reset th...
Page 36
E 2-15 emd40410 warning indicator 8 fuel warning if the fuel level decreases to one segment the fuel level warning segment 1 begins blinking. 8 low battery voltage warning if battery voltage drops, the display 2 will be automatically turned on and it begins blinking. C c do not continue to operate t...
Page 37
E 2-16 yamaha set mode p s mpg km/l gph i/h econ sync ttl fuel management q w e emd42012 fuel management meter optional equipment the meter contains the fuel flow meter, fuel consumption meter, fuel economy meter, twin engine speed synchronizer, water separator warning indicator. 1 fuel flow meter 2...
Page 38: P S
E 2-17 p s mpg km/l gph i/h econ sync ttl fuel management emu01277 fuel economy this meter displays the distance per liter or gallon when cruising for reference use by the operator. Repeatedly push and release the “mode” button until the indicator on the face of the meter points to “econ.” note: if ...
Page 39
E 2-18 note: 8 fuel consumption varies greatly with boat design, weight, propeller used, engine trim angle, sea conditions (including wind), and throttle position. Fuel consumption also varies slightly with the type of water (salt, fresh, and contaminate levels), air temperature and humidity, cleanl...
Page 40: P S
E 2-19 emu01278 twin engine speed synchronizer this meter displays the difference in engine speed (r/min) between the port and starboard engines for reference pur- poses when synchronizing the two engines’ speeds. Repeatedly push and release the “mode” button until the indicator on the face of the m...
Page 41
E 2-20 emd60010 tilt support lever to keep the outboard motor in the tilted-up position, lock the tilt support lever to the clamp bracket. Emd63210 top cowling lock levers v6 to remove the engine top cowling, pull up the front and rear lock levers. Then lift off the cowling. When replacing the cowli...
Page 42
E 2-21 2) align the three cowling hooks with the locks on the bottom cowling. 3) press down on the top of the cowling at the front and both sides of the back until the three locks click. 4) to make sure the cowling is locked properly push the cowling from each side. If it lifts, repeat step 3. C c m...
Page 43: Warning System
E 2-22 emd80010 warning system c c do not continue to operate the engine if the warning device has activated. Con- sult your yamaha dealer if the problem cannot be located and corrected. Emu01476 overheat warning this engine has an overheat warning device. If the engine temperature rises too high, t...
Page 44
E 2-23 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. ( 2); included (—); n/a if the warning system has been activated, stop the engine and check for the cause. Note: the...
Page 45: Chapter 3
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 ................................................3-5...
Page 46: Installation
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 acce- ssories such as transom ladders/depth finder transducers) can create airborne water spray while the boat is cruising. Severe engine damage may result if th...
Page 47
3-2 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 possibl...
Page 48
3-3 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 optimum e...
Page 49: Filling Fuel
3-4 emf30010 filling fuel and engine oil 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 certain cha...
Page 50
3-5 emu01800 filling oil this engine uses the oil injection system, which provides superior lubrication by ensuring the proper oil ratio for all operat- ing conditions. No fuel premixing is need- ed (except during break-in). Simply pour gasoline into the fuel tank and oil into the oil tank. Convenie...
Page 51
3-6 e on start off 701024 on start off 701052 2) turn on the main switch. The oil injection system will automatically feed oil from the remote oil tank to the engine oil tank. 3) turn the off main switch when the engine oil tank is full. 4) proceed to start the engine. Other- wise the oil level warn...
Page 52
3-7 e emu01825 using remote oil tank 150 1) pour engine oil into the remote oil tank. Note: the oil level lines on the remote oil tank indicate the amount of additional oil that can be added to the tank. The top oil level line indicates approximately 1.9 l (0.5 us gal, 0.4 imp gal) can be added, and...
Page 53
E 3-8 1,500 cm 3 (1.6 us qt, 1.31 imp qt) or less emu01543 oil level indicator the various oil level system functions are as follows: remarks oil level indica- tor (digital tachometer) oil level indica- tor (analog tachometer) engine oil tank remote oil tank green red yellow green yellow red more th...
Page 54: Pre-Operation Check
E 3-9 emf40110 pre-operation check 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 no fuel leak...
Page 55
E 3-10 emu01790 operation after a long period of storage when operating the engine after a long period (12 months) of storage, proceed as follows: 1) use a 50:1 gasoline-oil mixture to start the engine. 2) start the engine. Leave it idling. W 8 do not touch or remove electrical parts when starting o...
Page 56: Breaking In Engine
E 3-11 emu01776 breaking in engine your new engine requires a period of break-in to allow mating surfaces of mov- ing parts to wear in evenly. Correct break- in will help ensure proper performance and longer engine life. C c 8 failure to follow the break-in procedure could result in reduced engine l...
Page 57
E 3-12 emu01784 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...
Page 58: Starting Engine
E 3-13 001671 emu01197 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 released. Gas...
Page 59
E 3-14 emu00248 procedure for remote control model 4) place the remote control lever in the neutral position. Note: the start-in-gear protection device per- mits the engine to be started only when it is in neutral. N 701015 000293 5) attach the engine stop switch lanyard to a secure place on your cl...
Page 60
E 8) press in and hold the main switch to operate the remote choke system.(the remote choke switch returns to its home position when you release your hand. Therefore, keep the switch pressed in.) note: 8 it is not necessary to use the choke when the engine is warm. 8 set the choke knob to the home p...
Page 61
E 3-16 c c 8 do not turn the main switch to “start” when the engine is running. 8 do not keep the starter motor turning for more than 5 seconds. The starter can be damaged. The battery will also run down quickly, making it harder to start the engine. If the engine does not start within 5 seconds, re...
Page 62: Warming Up Engine
E 3-17 emg00010 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 shows t...
Page 63: Shifting
E 3-18 emg20310 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). Forward pull up the neutral interloc...
Page 64: Stopping Engine
E 3-19 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. Emg41511 1) turn the main switch to “off”. Note: the engine can also be stopped by pulling the lanyard from the engine stop ...
Page 65: Trimming Outboard
E 3-20 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 combinatio...
Page 66
E 3-21 adjusting trim angle 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 67
E 3-22 emu19160 trim angle settings and boat handling when the boat is on plane, a bow-up atti- tude results in less drag, greater stability and efficiency. This is generally when the keel line of the boat is up about 3 to 5 degrees. With the bow up, the boat may have a greater tendency to steer to ...
Page 68: Tilting Up/down
E 3-23 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, follow th...
Page 69
E 3-24 emu01201 procedure for tilting up power trim/tilt model 1) if there is a fuel joint or a fuel cock on the boat, disconnect the fuel line or close the fuel cock. 2) push the power trim/tilt switch “up” until the outboard has tilted up com- pletely. 302012 up down up dn 403033 3) turn the tilt-...
Page 70: Cruising In
E 3-25 4) once the engine is supported with the tilt-support lever, push the power trim/tilt switch down to retract the trim rods. 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 mechani...
Page 71: Chapter 4
Emk00010 chapter 4 maintenance specifications .....................................4-1 transporting and storing outboard motor ...............................4-3 trailering outboard motor...................4-3 storing outboard motor ......................4-4 periodic maintenance........................
Page 72: Specifications
4-1 e emk10010 specifications 9 fuel fuel tank capacity l (us gal, imp gal) 9 recommended engine oil lubrication engine oil capacity (engine oil tank) l (us qt, imp qt) (remote oil tank) 9 recommended gearcase oil gear oil capacity cm 3 (us oz, imp oz) 9 spark plug n•m (kgf•m, lb•ft) 9 propeller nut...
Page 73
4-2 e 808 (31.8) 1,472 (58.0)/1,599 (22.9) 582 (22.9) 516 (20.3)/642 (25.3) 163 (359)/167 (368) 5,000~6,000 95.6 (130) at 5,500 r/min 700~800 2-stroke, 90°v 4 1,730 (105.6) 90.0 × 68.0 (3.54 × 2.68) c.D.I system br9hs-10 0.9~1.0 (0.035~0.039) remote control electric start 380 502 124 12-20 choke val...
Page 74: 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. Trailering outboard motor the motor should be trailered and stored in the normal running p...
Page 75
E 4-4 emu01796* storing outboard motor when storing your yamaha outboard motor for prolonged periods of time (2 months or longer), several important pro- cedures must be performed to prevent excessive damage. This is especially important for your oil injection-equipped outboard motor due to the lean...
Page 76
E 4-5 flushing cooling system and fogging engine cooling system flushing is essential to pre- vent the cooling system from clogging up with salt, sand, or dirt. In addition, fogging of the engine is mandatory to prevent expensive engine damage due to rust. Per- form the flushing and fogging at the s...
Page 77
E 4-6 emk26110* 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 rein- stall the spark plugs and torque to prop- er specification. (refer to the periodic cleaning and inspection section, “c...
Page 78
E 4-7 emk28010* battery care w battery electrolyte is poisonous and dangerous, causing severe burns, etc. It contains 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 magne- sia, be...
Page 79: Periodic Maintenance
E 4-8 emu01569 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. Maintenance, replacement, or repair of the emi...
Page 80
E 4-9 emu19470 maintenance chart frequency of maintenance operations may be adjusted according to the operating con- ditions, but the following table gives general guidelines. Refer to the sections in this chapter for explanations of each owner-specific action. The mark ( ●) indicates the check-ups ...
Page 81
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 82
E 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 1/4 to 1/2...
Page 83
E 4-12 emk38010 checking fuel system w gasoline (petrol) and its vapors are high- ly flammable and explosive. Keep away from sparks, cigarettes, flames or other sources of ignition. Check the fuel line for leaks, cracks, or mal- functions. If any problem is found, it should be repaired immediately b...
Page 84
E 4-13 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 85
E 4-14 emu09912 inspecting idling speed w 8 do not touch or remove electrical parts when starting or during operation. 8 keep hands, hair and clothes away from flywheel and other rotating parts while engine is running. C c this procedure must be performed while the outboard motor is in the water. A ...
Page 86
E 4-15 note: correct idling speed inspection is only possible if the engine is fully warmed up. If not warmed up fully, the idle speed will measure higher than normal. If you have difficulty verifying the idle speed, or the idle speed requires adjustment, consult a yamaha dealer or other qualified m...
Page 87
E 4-16 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 electrical syst...
Page 88
E 4-17 emu00366 greasing yamaha marine grease (water resistant grease) v4 103061 64c-9-18-4 2/19/03 9:10 am page 18.
Page 89
E 4-18 emu00366 greasing yamaha marine grease (water resistant grease) v6 103062 64c-9-18-4 2/19/03 9:10 am page 19.
Page 90
E 4-19 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) check the p...
Page 91
E 4-20 eml08210* 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, put the main sw...
Page 92
E 4-21 [how to remove propeller] 1) using pliers straighten the cotter-pin and pull it out. 2) remove the propeller nut. 3) remove the propeller. 1 thrust washer 4 washer 2 propeller 5 propeller nut 3 spacer 6 cotter pin [how to install propeller] 1) apply yamaha marine grease a or marine grease (wa...
Page 93
E 4-22 emu01460 changing gear oil w 8 be sure the outboard is securely fas- tened to the transom or a stable stand. You could be severely injured if the out- board falls on you. 8 never get under the lower unit while it is tilted, even when the tilt-support lever/knob is locked. Severe injury could ...
Page 94
E 4-23 5) with the outboard motor in a vertical position, and using a flexible or pres- surized filling device, inject the gear oil into the oil drain plug hole. 6) when the oil begins to flow out of the oil level plug hole, insert and tighten the oil level plug. 7) insert and tighten the oil drain ...
Page 95
E 4-24 emu04041 checking battery (for electric start models) 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...
Page 96
E 4-25 c c 8 a poorly maintained battery will quick- ly deteriorate. 8 ordinary tap-water contains minerals harmful to a battery, and should not be used for topping-up. 1) check the electrolyte level at least once a month. Fill to the manufactur- er’s recommended level when neces- sary. Top up only ...
Page 97
E 4-26 upper level lower level 000863 q w emu01304 connecting the battery w mount the battery holder securely in a dry, well-ventilated, vibration-free loca- tion in the boat. Install the fully charged battery in the holder. C c 8 make sure the main switch (on applica- ble models) is “off” before wo...
Page 98
E 4-27 q w e r 901013 901014 w e r t y q emu01280 disconnecting the battery disconnect the black lead from the neg- ative (-) terminal first. Then disconnect the red lead from the positive (+) termi- nal. 1 large red lead for starting battery 2 small red lead for accessory battery charg- ing 3 large...
Page 99
E 4-28 emu01172 cleaning cooling-water passages flushing device equipped model perform this procedure right after opera- tion for the most thorough flushing. 1) after shutting off the engine, unscrew the garden-hose connector 2 from the fitting 1 on the bottom cowling. 2) screw the garden-hose conne...
Page 100
E 4-29 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 101: Chapter 5
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 operate ...............
Page 102: Troubleshooting
5-1 e 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 103
5-2 e 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 104
5-3 e 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 105
5-4 e 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 106: Temporary Action In
5-5 emn20010 temporary action in emergency emu01492 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 procedure below. 1) s...
Page 107
5-6 emn30210 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 emer- gency 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 108
5-7 procedure 1) remove the top cowling. 2) remove the flywheel cover by removing the bolts. 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. The main switch must be on. Note: 8 in thi...
Page 109
5-8 emn32110 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, discon- nect the connection on the yellow cord (emergency circuit) to return to port. W when the conn...
Page 110
5-9 e 218011* q 218012* q 905013* e w emu19930 low oil level warning activates if the oil level is allowed to drop too low, the red segment will appear on the oil level indicator, the buzzer will sound, and engine speed will be limited to about 2,000 r/min. If this happens, a reserve amount of oil c...
Page 111
5-10 e 301026* e q w note: 8 reserve oil capacity is maximum 1,500 cm 3 (1.6 us qt, 1.31 imp qt). 8 put the engine in the down position before operating the emergency switch. Emd64111* top cowling does not unlock if the top cowling stays locked when the release lever is operated, the cable may be da...
Page 112
5-11 emn50011 treatment of submerged motor if the outboard motor is submerged, imme- diately take it a yamaha dealer. Otherwise, some corrosion may begin almost immedi- ately. If you cannot immediately take the outboard motor to a yamaha dealer, follow the procedure below for taking care to mini- mi...
Page 113: Chapter 6
Emp00010 chapter 6 index index ........................................................6-1 e 1 2 3 4 5 6 64c-9-18-6 2/19/03 9:13 am page 1.
Page 114: Index
6-1 e emr80000 index a adjusting trim angle ..............................3-21 b basic boating rules ..................................1-6 battery care...............................................4-8 battery requirement ..............................1-12 breaking in engine ...........................
Page 115
6-2 e maintenance chart .................................4-10 motor exterior ........................................4-28 mounting height ......................................3-3 mounting the outboard motor ...............3-2 n neutral interlock trigger ..........................2-4 neutral throttl...
Page 116: 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 committed to exceptional customer satisfaction, and we want your ownership experience to be a satisfying one. Please read the followi...
Page 117
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 purchased yamaha needs service while in the united states, yamaha will assist the local dealer whenever possible. However, some pro...
Page 118
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 119
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 120
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 121
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 committed to exceptional customer satisfaction, and we want your ownership experience to be a satisfying on...
Page 122: 115C
Printed in japan march 2003-0.5 × 1 ! 64c-28199-18 (115ceto, 130beto, 150feto, 150geto) (e) printed on recycled paper 115c 130c 150c v150c owner’s manual u.S.A.Edition lit-18626-05-45 64c-9-18_hyoshi 2/18/03 9:18 am page 1.
Page 123
Yamaha motor co., ltd. Made in japan pays d'origine japon outboard motor warranty registration enregistrement de la garantie du moteur hors-bord please complete and mail this card. This information is necessary to accurately register your unit for warranty. Veuillez signer ci-dessous pour attester q...
Page 124: Attn: Warranty Department
Place postage here attn: warranty department warranty card 2/27/02 11:47 am page 2.