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- Yamaha
- Outboard Motor
- 15D
- Owner's Manual
Yamaha 15D Owner's Manual
Summary of 15D
Page 1
9.9d 15d owner’s manual lit-18626-05-82 63v-28199-17 april 2004–0.3 × 1 cr printed in japan printed on recycled paper yamaha motor corporation, usa u.S.A.Edition.
Page 2
Zmu01690 read this owner’s manual carefully before operating your outboard motor..
Page 3: To The Owner
Important manual information emu25100 to the owner thank you for choosing 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 obtain maximum enjoyment from your ne...
Page 4: Table Of Contents
Table of contents general information ...................... 1 identification numbers record ...... 1 outboard motor serial number ....... 1 emission control information ....... 1 north american models.................. 1 safety information ....................... 2 important labels....................
Page 5: Table Of Contents
Table of contents cruising in other conditions ....... 31 maintenance................................. 32 specifications ............................ 32 transporting and storing outboard motor....................... 32 clamp screw mounting models .... 33 storing outboard motor................. 33 pr...
Page 6: General Information
General information 1 emu25170 identification numbers record emu25182 outboard motor serial number the outboard motor serial number is stamped on the label attached to the port side of the clamp bracket or the upper part of the swivel bracket. Record your outboard motor serial number in the spaces p...
Page 7: General Information
General information 2 emu25361 safety information ● before mounting or operating the outboard motor, read this entire manual. Reading it should give you an understanding of the motor and its operation. ● before operating the boat, read any own- er’s or operator’s manuals supplied with it and all lab...
Page 8: General Information
General information 3 ● always watch carefully for swimmers during the engine operation. ● stay away from swimming areas. ● when a swimmer is in the water near you shift into neutral and shut off the engine. Be informed about boating safety. Additional publications and information can be obtained fr...
Page 9: General Information
General information 4 which does not have the right-of-way is called the “give-way” or “burdened” vessel. These rules determine which vessel has the right-of- way, and what each vessel should do. Stand-on vessel the vessel with the right-of-way has the duty to continue its course and speed, except t...
Page 10: General Information
General information 5 crossing when two power driven vessels are crossing each other’s path close enough to run the risk of collision, the vessel which has the other on the starboard (right) side must keep out of the way of the other. If the other vessel is on your right, you must keep out of its wa...
Page 11: General Information
General information 6 reading buoys and other markers the waters of the united states are marked for safe navigation by the lateral system of buoyage. Simply put, buoys and markers have an arrangement of shapes, colors, num- bers and lights to show which side of the buoy a boater should pass on when...
Page 12: General Information
General information 7 emu25540 fueling instructions warning ewm00010 gasoline and its vapors are high- ly flammable and explosive! ● do not smoke when refueling, and keep away from sparks, flames, or other sources of ignition. ● stop engine before refueling. ● refuel in a well-ventilated area. Refue...
Page 13: General Information
General information 8 ● take care not to spill gasoline. If gaso- line spills, wipe it up immediately with dry rags. ● do not overfill the fuel tank. ● tighten the filler cap securely after refu- eling. ● if you should swallow some gasoline, in- hale a lot of gasoline vapor, or get gaso- line in you...
Page 14: General Information
General information 9 note: select a propeller which will allow the engine to reach the middle or upper half of the oper- ating range at full throttle with the maximum boat load. If operating conditions such as light boat loads then allow the engine r/min to rise above the maximum recommended range,...
Page 15: Basic Components
Basic components 10 emu25795 main components note: * may not be exactly as shown; also may not be included as standard equipment on all models. Emu25802 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 engin...
Page 16: Basic Components
Basic components 11 emu25830 fuel joint this joint is used to connect the fuel line. Emu25841 fuel gauge this gauge is located on either the fuel tank cap or on the fuel joint base. It shows the ap- proximate amount of fuel remaining in the tank. Emu25850 fuel tank cap this cap seals the fuel tank. ...
Page 17: Basic Components
Basic components 12 emu25961 throttle indicator the fuel consumption curve on the throttle in- dicator shows the relative amount of fuel con- sumed for each throttle position. Choose the setting that offers the best performance and fuel economy for the desired operation. Emu25970 throttle friction a...
Page 18: Basic Components
Basic components 13 control. Also, without engine power, the boat could slow rapidly. This could cause people and objects in the boat to be thrown forward. Note: the engine cannot be started with the lock plate removed. Emu26001 engine stop button to open the ignition circuit and stop the en- gine, ...
Page 19: Basic Components
Basic components 14 to increase resistance, turn the adjuster clockwise. To decrease resistance, turn the adjuster counterclockwise. Warning ewm00040 do not overtighten the friction adjuster. If there is too much resistance, it could be difficult to steer, which could result in an accident. Emu26261...
Page 20: Basic Components
Basic components 15 emu26430 carrying handle a carrying handle is included on the clamp bracket. After setting the handle up, it enables you to carry the outboard motor easily with one hand. To set up the carrying handle, proceed as fol- lows: 1. Place the tilt lock lever in the lock posi- tion. 2. ...
Page 21: Operation
Operation 16 emu26901 installation caution: ecm00110 incorrect engine height or obstructions to smooth water flow (such as the design or condition of the boat, or accessories such as transom ladders or depth finder trans- ducers) can create airborne water spray while the boat is cruising. Severe eng...
Page 22: Operation
Operation 17 tends to occur, thus reducing the propulsion; and if the propeller tips cut the air, the engine speed will rise abnormally and cause the en- gine to overheat. If the mounting height is too low, the water resistance will increase and thereby reduce engine efficiency. Mount the outboard m...
Page 23: Operation
Operation 18 3. Secure the clamp bracket to the transom using the bolts provided with the out- board (if packed). For details, consult your yamaha dealer. Warning ewm00650 avoid using bolts, nuts or washers other than those contained in the engine pack- aging. If used, they must be of at least the s...
Page 24: Operation
Operation 19 emu27101 preoperation checks warning ewm00080 if any item in the preoperation check is not working properly, have it inspected and repaired before operating the outboard motor. Otherwise an accident could occur. Caution: ecm00120 do not start the engine out of water. Over- heating and s...
Page 25: Operation
Operation 20 while many additives available may reduce deposits, yamaha recommends the use of ring free fuel additive, available from your yamaha dealer. Ring free fuel additive has repeatedly proven its ability to clean com- bustion deposits from inside the engine, nota- bly the critical piston-rin...
Page 26: Operation
Operation 21 emu27450 operating engine emu27461 feeding fuel (portable tank) 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 lo...
Page 27: Operation
Operation 22 emu27490 starting engine emu27530 manual start models 1. Place the gear shift lever in neutral. Note: the start-in-gear protection device prevents the engine from starting except when in neu- tral. 2. Attach the engine stop switch lanyard to a secure place on your clothing, or your arm ...
Page 28: Operation
Operation 23 note: ● it is not necessary to use the choke when starting a warm engine. ● if the choke knob is left in the pulled out po- sition while the engine is running, the en- gine will run poorly or stall. 5. Pull the manual starter handle slowly until you feel resistance. Then give a strong p...
Page 29: Operation
Operation 24 emu27740 shifting warning ewm00180 before shifting, make sure there are no swimmers or obstacles in the water near you. Caution: ecm00220 to change the boat direction or shifting position from forward to reverse or vice- versa, first close the throttle so that the en- gine idles (or run...
Page 30: Operation
Operation 25 3. Move the gear shift lever quickly and firm- ly from neutral to reverse. Remote control models 1. Check that the tilt lock lever is in the lock position. 2. Pull up the neutral interlock trigger (if equipped) and move the remote control lever quickly and firmly from neutral to re- ver...
Page 31: Operation
Operation 26 note: if the outboard motor is equipped with an en- gine stop switch lanyard, the engine can also be stopped by pulling the lanyard and remov- ing the lock plate from the engine stop switch. Emu27861 trimming outboard motor the trim angle of the outboard motor helps determine the positi...
Page 32: Operation
Operation 27 3. Reposition the rod in the desired hole. To raise the bow (“trim-out”), move the rod away from the transom. To lower the bow (“trim-in”), move the rod to- ward the transom. Make test runs with the trim set to different an- gles to find the position that works best for your boat and op...
Page 33: Operation
Operation 28 note: depending on the type of boat, the outboard motor trim angle may have little effect on the trim of the boat when operating. Emu27931 tilting up and down if the engine will be stopped for some time or if the boat is moored in shallows, the outboard motor should be tilted up to prot...
Page 34: Operation
Operation 29 4. Pull up the shallow water lever (if equipped). 5. Hold the rear of the top cowling with one hand and tilt the engine up fully. 6. Push the tilt support knob into the clamp bracket. Or the tilt support bar will turn to the lock position automatically. Emu28022 procedure for tilting do...
Page 35: Operation
Operation 30 ● return the outboard motor to its normal position as soon as the boat is back in deeper water. Caution: ecm00260 do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of the water when set- ting up for and cruising in shallow water. Ot...
Page 36: Operation
Operation 31 5. Slightly tilt the outboard motor up until the tilt support bar automatically returns to the free position. 6. Slowly lower the outboard motor to the normal position. Emu28190 cruising in other conditions cruising in salt water after operating in salt water, wash out the cooling water...
Page 37: Maintenance
Maintenance 32 emu28216 specifications dimension: overall length: 873 mm (34.4 in) overall width: 332 mm (13.1 in) overall height s: 1040 mm (40.9 in) transom height s: 440 mm (17.3 in) weight (al) s: 36.0 kg (79 lb) performance: full throttle operating range: 4500–5500 r/min maximum output: 15mh 11...
Page 38: Maintenance
Maintenance 33 warning ewm00700 never get under the lower unit while it is tilted, even if a motor support bar is used. Severe injury could occur if the outboard motor accidentally falls. Caution: ecm00660 do not use the tilt support lever or knob when trailering the boat. The outboard mo- tor could...
Page 39: Maintenance
Maintenance 34 2. Fill the fuel tank with fresh fuel and add one ounce of “yamaha fuel conditioner and stabilizer” (part no. Lub-fuelc-12- 00) to each gallon of fuel. Note: the use of “yamaha fuel conditioner and stabilizer” eliminates the need to drain the fuel system. Consult your yamaha dealer or...
Page 40: Maintenance
Maintenance 35 emu28400 lubrication (except oil injection models) 1. Grease the spark plug threads and install the spark plug(s) and torque to proper specification. For information on spark plug installation, see page 37. 2. Change the gear oil. For instructions, see page 42. Inspect the oil for the...
Page 41: Maintenance
Maintenance 36 ger the operator and passengers. Yamaha genuine parts and accessories are available from your yamaha dealer. Emu28521 maintenance chart frequency of maintenance operations may be adjusted according to the operating conditions, but the following table gives general guidelines. Refer to...
Page 42: Maintenance
Maintenance 37 emu28931 greasing yamaha marine grease (water resistant grease) emu28951 cleaning and adjusting spark plug warning ewm00560 when removing or installing a spark plug, be careful not to damage the insulator. A damaged insulator could allow external sparks, which could lead to explosion ...
Page 43: Maintenance
Maintenance 38 spark plug because heat and deposits will cause the spark plug to slowly break down and erode. If electrode erosion becomes ex- cessive, or if carbon and other deposits are excessive, you should replace the spark plug with another of the correct type. Before fitting the spark plug, me...
Page 44: Maintenance
Maintenance 39 emu28980 inspecting fuel filter warning ewm00310 gasoline is highly flammable, and its va- pors are flammable and explosive. ● if you have any question about properly doing this procedure, consult your yamaha dealer. ● do not perform this procedure on a hot or running engine. Allow th...
Page 45: Maintenance
Maintenance 40 start position during warm-up. The boat could unexpectedly start to move, which could result in an accident. Caution: ecm00490 this procedure must be performed while the outboard motor is in the water. A flush- ing attachment or test tank can be used. A diagnostic tachometer should be...
Page 46: Maintenance
Maintenance 41 checkpoints ● check each of the propeller blades for wear, erosion from cavitation or ventilation, or other damage. ● check the propeller shaft for damage. ● check the splines / shear pin for wear or damage. ● check for fish line tangled around the pro- peller shaft. ● check the prope...
Page 47: Maintenance
Maintenance 42 1. Apply yamaha marine grease or a corro- sion resistant grease to the propeller shaft. 2. Install the spacer(if equipped), thrust washer, and propeller on the propeller shaft. 3. Install the spacer (if equipped) and the washer. Tighten the propeller nut to the specified torque. 4. Al...
Page 48: Maintenance
Maintenance 43 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 gear oil drain screw. Emu29302 cleaning fuel tank warning ewm00920 gasoline is highly flammable, and its va- pors are flammable and explosive. ● if you have ...
Page 49: Maintenance
Maintenance 44 note: inspect ground leads attached to external an- odes on equipped models. Consult a yamaha dealer for inspection and replacement of inter- nal anodes attached to the power unit. Emu29390 checking top cowling check the fitting of the top cowling by pushing it with both hands. If it ...
Page 50: Trouble Recovery
Trouble recovery 45 emu29422 troubleshooting a problem in the fuel, compression, or ignition systems can cause poor starting, loss of pow- er, or other problems. This section describes basic checks and possible remedies, and cov- ers all yamaha outboard motors. Therefore some items may not apply to ...
Page 51: Trouble Recovery
Trouble recovery 46 a. Check for pinched or kinked fuel line or oth- er 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 serviced by a yamaha dealer. Q. Ha...
Page 52: Trouble Recovery
Trouble recovery 47 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 53: Trouble Recovery
Trouble recovery 48 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 properly to shift lever position? A. Have serviced by a yamaha dealer. Engine vibrates excessively. Q....
Page 54: Trouble Recovery
Trouble recovery 49 ● do not attach the lanyard to clothing that could tear loose. Do not route the cord where it could become entangled, preventing it from functioning. ● avoid accidentally pulling the lanyard during normal operation. Loss of engine power means the loss of most steering control. Al...
Page 55: Trouble Recovery
Trouble recovery 50 emu29760 treatment of submerged motor if the outboard motor is submerged, immedi- ately take it to a yamaha dealer. Otherwise some corrosion may begin almost immediate- ly. If you cannot immediately take the outboard motor to a yamaha dealer, follow the proce- dure below in order...
Page 56: Consumer Information
Consumer information 51 emu29811 important warranty information for u.S.A. And canada u63v17e0.Book page 51 thursday, february 26, 2004 11:52 am.
Page 57: Consumer Information
Consumer information 52 u63v17e0.Book page 52 thursday, february 26, 2004 11:52 am.
Page 58: Consumer Information
Consumer information 53 emu29820 yamaha motor corporation, u.S.A. Outboard motor two year limited warranty u63v17e0.Book page 53 thursday, february 26, 2004 11:52 am.
Page 59: Consumer Information
Consumer information 54 u63v17e0.Book page 54 thursday, february 26, 2004 11:52 am.
Page 60: Consumer Information
Consumer information 55 u63v17e0.Book page 55 thursday, february 26, 2004 11:52 am.
Page 61: Consumer Information
Consumer information 56 emu29840 important warranty information if you use your yamaha outside u.S.A. Or canada u63v17e0.Book page 56 thursday, february 26, 2004 11:52 am.
Page 62: Outboard Motor W
Yamaha motor co., ltd. Made in japan pays d'origine japon outboard motor w arranty registra tion enregistrement de la garantie du mo teur hors-bord please complete and mail this card. This information is necessary to accurately register your unit for warranty . V euillez signer ci-dessous pour attes...
Page 63: Ttn: W
Place post age here a ttn: w a rr ant y dep a rtment warranty card 2/27/02 11:47 am page 2.
Page 64
9.9d 15d owner’s manual lit-18626-05-82 63v-28199-17 april 2004–0.3 × 1 cr printed in japan printed on recycled paper yamaha motor corporation, usa u.S.A.Edition.