Yamaha F25D manual

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- informations concerning technical data of Yamaha F25D
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Table of contents for the manual

  • Page 1

    Printed in Japan April 2004–0.9 × 1 ! Printed on recycled paper F25D T25D O WNER’S MANU AL 65W -28199-19 U .S.A.Edition LIT -18626-06-01 65W-9-19-Hyoshi 3/29/04 10:28 PM Page 1[...]

  • Page 2

    EMU25060 ZMU01690 Read this owner ’ s manual carefully before operating your outboard motor. 65W-9-19-Hyoshi 3/29/04 10:28 PM Page 2[...]

  • Page 3

    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 ob- tain maximum enjoyment from your new Yamaha. If you have any question about the o[...]

  • Page 4

    Table of contents General information .......................... 1 Identification numbers record .......... 1 Outboard motor serial number .......... 1 Key number ....................................... 1 Emission control information ........... 1 North American models..................... 1 Star labels ......................................... 2 S[...]

  • Page 5

    Table of contents Starting engine ................................ 31 Warming up engine ....................... 35 Manual start and electric start models .......................................... 35 Shifting .......................................... 35 Forward (tiller handle and remote control models) ............................. 35 Reverse (aut[...]

  • Page 6

    Table of contents Important warranty information for U.S.A. and Canada ..................... 79 YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY ................................ 81 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADA ................... 83[...]

  • Page 7

    1 General information 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 provided to assist you in ordering spare parts from[...]

  • Page 8

    General information 2 EMU25261 Manufactured date label This label is attached to the clamp bracket or the swivel bracket. EMU25272 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. EMU25280 One Star—Low Emission The one-star label identifie[...]

  • Page 9

    General information 3 EMU25300 Three Stars—Ultra Low Emission The three-star label identifies engines that meet the Air Resources Board’s 2008 ex- haust emission standards. Engines meeting these standards have 65% lower emissions than One Star-Low-Emission engines. EMU25361 Safety information ● Before mounting or operating the outboard motor,[...]

  • Page 10

    General information 4 of the road” on page 5. ● Stay informed about the weather. Check weather forecasts before boating. Avoid boating in hazardous weather. ● Tell someone where you are going: leave a Float Plan with a responsible person. Be sure to cancel the Float Plan when you re- turn. ● Use common sense and good judgment when boating. [...]

  • Page 11

    General information 5 EMU25464 Caution labels EMU25472 Label CAUTION: ECM01190 Transport and store the engine only as shown. Otherwise, engine damage could result from Leaking oil. EMU25500 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 [...]

  • Page 12

    General information 6 sels. EMU25520 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 ves- sel head-on) Crossing: (you are traveling across the oth- er vessel’s path) Overtaking: ([...]

  • Page 13

    General information 7 EMU25530 Other special situations There are three other rules you should be aware of when driving your boat around oth- er vessels. Narrow channels and bends When navigating in narrow channels, you should keep to the right when it is safe and practical to do so. If the operator of a power- driven vessel is preparing to go arou[...]

  • Page 14

    General information 8 EMU25540 Fueling instructions W ARNING 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. Refuel portable fuel tanks off the boat. ● Tak[...]

  • Page 15

    General information 9 dry rags. ● Do not overfill the fuel tank. ● Tighten the filler cap securely after re- fueling. ● If you should swallow some gasoline, inhale a lot of gasoline vapor, or get gasoline in your eyes, get immediate medical attention. ● If any gasoline spills onto your skin, im- mediately wash with soap and water. Change cl[...]

  • Page 16

    General information 10 EMU25690 Battery requirement CAUTION: ECM01060 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 meets the followin[...]

  • Page 17

    General information 11 NO TE: 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, reduce the throttle setting to maintain the eng[...]

  • Page 18

    12 Basic components EMU25795 Main components NO TE: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. F25D, T25D 27 24 1 3 4 5 6 10 9 11 8 7 25 26 29 28 30 2 23 12 13 14 17 21 19 20 18 22 15 16 ZMU04992 1. T op cowling 2. Cooling water pilot hole 3. T op cowling loc k lev er(s) 4. Drain screw 5. Anti-cav[...]

  • Page 19

    Basic components 13 EMU25802 Fuel tank If your model was equipped with a portable fuel tank, its function is as follows. W ARNING 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 licensing or approval authority regula- tio[...]

  • Page 20

    Basic components 14 EMU26201 Neutral interlock trigger To shift out of neutral, first pull the neutral in- terlock trigger up. EMU26211 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. NO TE: The neutral throttle[...]

  • Page 21

    Basic components 15 EMU25941 Throttle grip The throttle grip is on the tiller handle. Turn the grip counterclockwise to increase speed and clockwise to decrease speed. EMU25961 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[...]

  • Page 22

    Basic components 16 When constant speed is desired, tighten the adjuster to maintain the desired throttle set- ting. EMU25990 Engine stop lanyard switch The lock plate must be attached to the en- gine 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 operato[...]

  • Page 23

    Basic components 17 EMU26070 Manual starter handle To start the engine, first gently pull the han- dle out until resistance is felt. From that posi- tion, then pull the handle straight out quickly to crank the engine. EMU26080 Starter button To start the engine with the electric starter, push the starter button. EMU26090 Main switch The main switch[...]

  • Page 24

    Basic components 18 difficult to steer, which could result in an accident. EMU26122 Steering friction adjuster A friction device provides adjustable resis- tance to the steering mechanism, and can be set according to operator preference. An ad- justing screw or bolt is located on the swivel bracket. To increase resistance, turn the adjuster clockwi[...]

  • Page 25

    Basic components 19 while the boat is moving could increase the risk of falling overboard and could distract the operator, increasing the risk of collision with another boat or an obsta- cle. NO TE: For instructions on using the power trim and tilt switch, see page 41. EMU26240 Trim tab with anode The trim tab should be adjusted so that the steerin[...]

  • Page 26

    Basic components 20 EMU26261 Trim rod (tilt pin) The position of the trim rod determines the minimum trim angle of the outboard motor in relation to the transom. EMU30530 Tilt lock mechanism The tilt lock mechanism is used to prevent the outboard motor from lifting out of the wa- ter when in reverse gear. To lock it, set the tilt lock lever in the [...]

  • Page 27

    Basic components 21 EMU26372 Top cowling lock lever(s) (turn type) To remove the engine top cowling, turn the lock lever(s) and lift off the cowling. When in- stalling the cowling, check to be sure it fits properly in the rubber seal. Then lock the cowling again by returning the lever(s) to the lock position. EMU26460 Flushing device This device is[...]

  • Page 28

    Basic components 22 EMU26491 Digital tachometer The tachometer shows the engine speed and has the following functions. NO TE: All segments of the display will light momen- tarily after the main switch is turned on and will return to normal thereafter. NO TE: The water separator and engine trouble warning indicators only operate when the en- gine is[...]

  • Page 29

    Basic components 23 overheat warning indicator is on. Serious engine damage will occur. EMU26610 Trim meter This gauge shows the trim angle of your out- board motor. NO TE: Memorize the trim angles that work best for your boat under different conditions. Adjust the trim angle to the desired setting with the power trim and tilt switch. EMU26620 Trim[...]

  • Page 30

    Basic components 24 1 second while the trip hours are displayed resets the trip counter to 0 (zero). NO TE: The total number of hours the engine has been run cannot be reset. EMU26801 Warning system CAUTION: ECM00090 Do not continue to operate the engine if a warning device has activated. Consult your Yamaha dealer if the problem can- not be locate[...]

  • Page 31

    Basic components 25 EMU30164 Low oil pressure warning If the oil pressure drops too low, the warning device will activate. Activation of warning device ● The engine speed will automatically de- crease to about 2000 r/min. ● The low oil pressure warning indicator will light. ● The buzzer will sound (if equipped on the tiller handle, remote con[...]

  • Page 32

    26 Operation 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 transducers) can create airborne water spray while the boat is cruising. Severe engine damage may result if the motor is operated conti[...]

  • Page 33

    Operation 27 motor greatly affects the water resistance. If the mounting height is too high, cavitation 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 reduc[...]

  • Page 34

    Operation 28 board (if packed). For details, consult your Yamaha dealer. W ARNING 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 same quality of material and strength and must be tightened securely. After tighten- ing, test run the engine and check their tightn[...]

  • Page 35

    Operation 29 er operation before starting the engine. ● The controls should work smoothly, with- out binding or unusual free play. ● Look for loose or damaged connections. ● Check operation of the starter and stop switches when the outboard motor is in the water. EMU27140 Engine ● Check the engine and engine mounting. ● Look for loose or [...]

  • Page 36

    Operation 30 EMU27270 Ring Free Fuel Additive Gasoline is a precise blend of many different substances, each chosen to give certain characteristics. Gasoline blends have been changing in recent years in response to con- cerns about pollution and resulting emis- sions regulations. One of the most obvious changes has been the elimination of lead from[...]

  • Page 37

    Operation 31 line to the joint on the fuel tank. 3. If a steering friction adjuster is provided on your outboard motor, securely attach the fuel line to the fuel line clamp. NO TE: During engine operation place the tank hori- zontally, otherwise fuel cannot be drawn from the fuel tank. 4. Squeeze the primer pump with the outlet end up until you fee[...]

  • Page 38

    Operation 32 3. Place the throttle grip in the “” (start) position. 4. Pull the manual starter handle slowly un- til you feel resistance. Then give a strong pull straight out to crank and start the engine. Repeat if necessary. 5. After the engine starts, slowly return the manual starter handle to its original po- sition before releasing it. NO [...]

  • Page 39

    Operation 33 during normal operation. Loss of en- gine 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 forward. 3. Place the throttle grip in the “” (start) position. After the engine starts, return the throttle to the fully clos[...]

  • Page 40

    Operation 34 NO TE: 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 or leg. Then install the lock plate on the other end of the lanyard into the en- gine stop switch. W ARNING EWM00120 ● Attach the engine stop s[...]

  • Page 41

    Operation 35 again. NO TE: ● When the engine is cold, it needs to be warmed up. For further information, see page 35. ● If the engine is warm and fails to start, open the throttle slightly and try to start the engine again. If the engine still fails to start, see page 72. EMU27670 Warming up engine EMU27710 Manual start and electric start model[...]

  • Page 42

    Operation 36 2. Move the gear shift lever quickly and firmly from neutral to forward. Remote control models 1. Pull up the neutral interlock trigger (if equipped) and move the remote control lever quickly and firmly from neutral to forward. EMU27784 Reverse (automatic reverse lock and power trim and tilt models) W ARNING EWM00190 When operating in [...]

  • Page 43

    Operation 37 EMU27795 Reverse (manual tilt and hydro tilt models) W ARNING EWM00190 When operating in reverse, go slowly. Do not open the throttle more than half. Oth- erwise the boat could become unstable, which could result in loss of control and an accident. Tiller control models 1. Place the throttle grip in the fully closed position. 2. On mod[...]

  • Page 44

    Operation 38 EMU27820 Stopping engine Before stopping the engine, first let it cool off for a few minutes at idle or low speed. Stop- ping the engine immediately after operating at high speed is not recommended. EMU27844 Procedure 1. Push and hold the engine stop button or turn the main switch to “” (off). 2. After stopping the engine, disconne[...]

  • Page 45

    Operation 39 also affected by variables such as the load in the boat, sea conditions, and running speed. W ARNING 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 u[...]

  • Page 46

    Operation 40 EMU27881 Adjusting trim angle Power trim and tilt models W ARNING EWM00750 ● Be sure all people are clear of the out- board motor when adjusting the tilt an- gle, also be careful not to pinch any body parts between the drive unit and clamp bracket. ● Use caution when trying a trim position for the first time. Increase speed gradu- [...]

  • Page 47

    Operation 41 Bow Up Too much trim-out puts the bow of the boat too high in the water. Performance and econ- omy are decreased because the hull of the boat is pushing the water and there is more air drag. Excessive trim-out can also cause the propeller to ventilate, which reduces per- formance further, and the boat may “ por- poise ” (hop in the[...]

  • Page 48

    Operation 42 on page 38. Never tilt the outboard mo- tor while the engine is running. Severe damage from overheating can result. ● Do not tilt up the engine by pushing the tiller handle (if equipped) because this could break the handle. EMU27976 Procedure for tilting up (manual tilt models) 1. Place the gear shift lever in neutral. 2. Disconnect [...]

  • Page 49

    Operation 43 EMU28005 Procedure for tilting up Power trim and tilt models / power tilt models 1. Place the remote control lever / the gear shift lever in neutral. 2. Disconnect the fuel line from the out- board motor or close the fuel cock. 3. Press the power trim and tilt switch / power tilt switch “” (up) until the out- board motor has tilted[...]

  • Page 50

    Operation 44 sure. 5. Models equipped with trim rods: Once the outboard motor is supported with the tilt support lever, press the power trim and tilt switch “” (down) to retract the trim rods. CAUTION: ECM00250 Be sure to retract the trim rods complete- ly during mooring. This protects the rods from marine growth and corrosion which could damag[...]

  • Page 51

    Operation 45 EMU28071 Cruising in shallow water (manual tilt models) W ARNING EWM00710 ● Place the gear shift in neutral before us- ing the shallow water cruising system. ● Run the boat at the lowest possible speed when using the shallow water cruising system. The tilt lock mecha- nism does not work while the shallow water cruising system is be[...]

  • Page 52

    Operation 46 low water cruising. 4. To return the outboard motor to the nor- mal running position, place the gear shift lever in neutral, then place the tilt lock le- ver in the lock/down position. 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 [...]

  • Page 53

    Operation 47 3. To return the outboard motor to the nor- mal running position, press the power trim / tilt switch and slowly tilt the out- board motor down. EMU28190 Cruising in other conditions Cruising in salt water After operating in salt water, wash out the cooling water passages with fresh water to prevent them from becoming clogged with salt [...]

  • Page 54

    48 Maintenance EMU28216 Specifications Dimension: Overall length: F25EH 1151 mm (45.3 in) F25ER 703 mm (27.7 in) F25MH 1151 mm (45.3 in) F25TR 703 mm (27.7 in) T25TR 713 mm (28.1 in) Overall width: F25EH 430 mm (16.9 in) F25ER 376 mm (14.8 in) F25MH 430 mm (16.9 in) F25TR 376 mm (14.8 in) T25TR 373 mm (14.7 in) Overall height S: 1148 mm (45.2 in) O[...]

  • Page 55

    Maintenance 49 F25TR Electric T25TR Electric Starting carburetion system: Prime start Valve clearance (cold engine) IN: 0.15 – 0.25 mm (0.0059 – 0.0098 in) Valve clearance (cold engine) EX: 0.25 – 0.35 mm (0.0098 – 0.0138 in) Min. cold cranking amps (CCA/SAE): 245.0 A Min. marine cranking amps (MCA/ABYC): 323.0 A Min. reserve capacity (RC/S[...]

  • Page 56

    Maintenance 50 F25ER 35.0 Nm (25.8 ft-lb) (3.57 kgf-m) F25MH 35.0 Nm (25.8 ft-lb) (3.57 kgf-m) F25TR 35.0 Nm (25.8 ft-lb) (3.57 kgf-m) T25TR 40.0 Nm (29.5 ft-lb) (4.08 kgf-m) Engine oil drain bolt: F25EH 28.0 Nm (20.7 ft-lb) (2.86 kgf-m) F25ER 28.0 Nm (20.7 ft-lb) (2.86 kgf-m) F25MH 28.0 Nm (20.7 ft-lb) (2.86 kgf-m) F25TR 28.0 Nm (20.7 ft-lb) (2.86[...]

  • Page 57

    Maintenance 51 NO TE: Place a towel or something similar under the outboard motor to protect it from damage. EMU28241 Storing outboard motor When storing your Yamaha outboard motor for prolonged periods of time (2 months or longer), several important procedures must be performed to prevent excessive damage. It is advisable to have your outboard mot[...]

  • Page 58

    Maintenance 52 5. Fill the tank with fresh water to above the level of the anti-cavitation plate. CAUTION: ECM00300 Do not run the engine without supplying it with cooling water. Either the engine water pump will be damaged or the en- gine will be damaged from overheating. Before starting the engine, be sure to supply water to the cooling water pas[...]

  • Page 59

    Maintenance 53 2. Spray the outboard motor exterior with “ Yamaha Silicone Protectant ” (Part No. LUB-SILCNE-13-00). 3. Wax the cowling with a non-abrasive wax such as “ Yamaha Silicone Wax ” (Part No. ACC-11000-15-02). EMU28430 Battery care W ARNING EWM00330 Battery electrolytic fluid is dangerous; it contains sulfuric acid and therefore i[...]

  • Page 60

    Maintenance 54 2. Screw the garden hose connector onto a garden hose which is connected to a fresh water supply. 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 water and disconnect the garden hose. 4. When flushing is complete, reinstall the garden hose connect[...]

  • Page 61

    Maintenance 55 EMU28483 Periodic maintenance W ARNING EWM01070 Be sure to turn off the engine when you perform maintenance unless otherwise specified. If you or the owner is not famil- iar with machine servicing, this work should be done by your Yamaha dealer or other qualified mechanic. Maintenance, replacement, or repair of the emission control d[...]

  • Page 62

    Maintenance 56 EMU28521 Maintenance chart Frequency of maintenance operations may be adjusted according to the operating condi- tions, but the following table gives general guidelines. Refer to the sections in this chapter for explanations of each owner-specific action. The “” symbol indicates the check-ups which you may carry out yourself. The[...]

  • Page 63

    Maintenance 57 NO TE: When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use. EMU28871 Maintenance chart (additional) EMU28910 NO TE: When using lead or high-sulfur gasoline, inspecting valve clearance may be required more frequently than every 500 hours. Spark plug(s) Cleaning / adjustment[...]

  • Page 64

    Maintenance 58 EMU28931 Greasing Yamaha marine grease (Water resistant grease) F25MH, F25EH ZMU02891[...]

  • Page 65

    Maintenance 59 F25ER, F25TR, T25TR EMU28951 Cleaning and adjusting spark plug W ARNING 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 or fire. The spark plug is an important engine com- ponent and is easy to inspect. The condit[...]

  • Page 66

    Maintenance 60 When fitting the plug, always clean the gas- ket surface and use a new gasket. Wipe off any dirt from the threads and screw in the spark plug to the correct torque. NO TE: If a torque-wrench is not available when you are fitting a spark plug, a good estimate of the correct torque is 1/4 to 1/2 a turn past fin- ger-tight. Have the spa[...]

  • Page 67

    Maintenance 61 EMU28980 Inspecting fuel filter W ARNING 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 the engine to cool. ● There will be fuel in t[...]

  • Page 68

    Maintenance 62 parts while the engine is running. ● 2-hp models: The propeller rotates whenever the engine is running. Do not move the throttle control lever from the 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 mo[...]

  • Page 69

    Maintenance 63 2. Prepare a suitable container that holds a larger amount than the engine oil capac- ity. Loosen and remove the drain screw while holding the container under the drain hole. Then remove the oil filler cap. Let the oil drain completely. Wipe up any spilled oil immediately. 3. Put a new gasket on the oil drain screw. Apply a light coa[...]

  • Page 70

    Maintenance 64 5. Start the engine and watch to make sure the low oil pressure warning indicator (if equipped) turns off. Make sure that there are no oil leaks. CAUTION: ECM00680 If the low oil pressure warning indicator does not turn off or if there are oil leaks, stop the engine and find the cause. Con- tinued operation with a problem could cause[...]

  • Page 71

    Maintenance 65 EMU29130 Water leakage Start the engine and check that no water leaks from the joints between the exhaust cover, cylinder head, and body cylinder. EMU29140 Engine oil leakage Check for oil leaks on the around the engine. NO TE: If any leaks are found, consult your Yamaha dealer. EMU29161 Checking power trim and tilt system W ARNING E[...]

  • Page 72

    Maintenance 66 Checkpoints ● Check each of the propeller blades for wear, erosion from cavitation or ventila- tion, 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 propeller shaft oil seal for dam- age. NO T[...]

  • Page 73

    Maintenance 67 3. Remove the propeller and thrust wash- er. EMU29230 Installing the propeller CAUTION: ECM00340 ● Be sure to install the thrust washer be- fore installing the propeller, otherwise the lower case and propeller boss could be damaged. ● Be sure to use a new cotter pin and bend the ends over securely. Otherwise the propeller could c[...]

  • Page 74

    Maintenance 68 NO TE: If the magnetic gear oil drain screw equipped: remove all metal particles from the screw before installing it. 4. Remove the oil level plug to allow the oil to drain completely. CAUTION: ECM00710 Inspect the used oil after it has been drained. If the oil is milky, water is getting into the gear case which can cause gear damage[...]

  • Page 75

    Maintenance 69 flames, or other sources of ignition when cleaning the fuel tank. ● Remove the fuel tank from the boat be- fore cleaning it. Work only outdoors in an area with good ventilation. ● Wipe up any spilled fuel immediately. ● Reassemble the fuel tank carefully. Im- proper assembly can result in a fuel leak, which could result in a fi[...]

  • Page 76

    Maintenance 70 poisonous and highly caustic. Always follow these preventive mea- sures: ● Avoid bodily contact with electrolytic fluid as it can cause severe burns or permanent eye injury. ● Wear protective eye gear when han- dling or working near batteries. Antidote (EXTERNAL): ● SKIN - Flush with water. ● EYES - Flush with water for 15 mi[...]

  • Page 77

    Maintenance 71 ing on the battery. ● Reversal of the battery cables will dam- age the electrical parts. ● Connect the red battery cable first when installing the battery and discon- nect the black battery cable first when removing it. Otherwise, the electrical parts can be damaged. ● The electrical contacts of the battery and cables must be c[...]

  • Page 78

    72 Trouble Recovery EMU29422 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 your model. If your outboard motor requires repair[...]

  • Page 79

    Trouble Recovery 73 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 serviced by a Yamaha dealer. Q. Has warning system activ[...]

  • Page 80

    Trouble Recovery 74 A. Have serviced by a Yamaha dealer. 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? A. Have prope[...]

  • Page 81

    Trouble Recovery 75 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 properly to shift lever position? A. Have serviced by a Yamaha dealer. Engine vibrates excessively. Q. Is prop[...]

  • Page 82

    Trouble Recovery 76 NO TE: Consult your Yamaha dealer if the new fuse immediately blows again. EMU29510 Power trim and tilt will not operate If the engine cannot be tilted up or down with the power trim and tilt/ the power tilt because of a discharged battery or a failure with the power trim and tilt unit/the power tilt, the en- gine can be tilted [...]

  • Page 83

    Trouble Recovery 77 starter mechanism or top cowling after the engine is running. ● Do not touch the ignition coil, spark plug wire, spark plug cap, or other elec- trical components when starting or op- erating the motor. You could get an electrical shock. EMU30290 Emergency starting engine 1. Remove the top cowling. 2. Remove the start-in-gear p[...]

  • Page 84

    Trouble Recovery 78 5. Insert the knotted end of the emergency starter rope into the notch in the flywheel rotor and wind the rope around the fly- wheel several turns clockwise. 6. Pull the rope slowly until resistance is felt. 7. Give a strong pull straight out to crank and start the engine. Repeat if neces- sary. EMU29760 Treatment of submerged m[...]

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    79 Consumer information EMU29811 Important warranty information for U.S.A. and Canada[...]

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    Consumer information 80[...]

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    Consumer information 81 EMU29830 YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY[...]

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    Consumer information 82[...]

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    Consumer information 83 EMU29840 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADA[...]

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    Printed in Japan April 2004–0.9 × 1 ! Printed on recycled paper F25D T25D O WNER’S MANU AL 65W -28199-19 U .S.A.Edition LIT -18626-06-01 65W-9-19-Hyoshi 3/29/04 10:28 PM Page 1[...]

  • Page 91

    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 attester que le montage et l’inspection ont ét?[...]

  • Page 92

    PLACE POST AGE HERE A T TN: W ARR ANT Y DEP ARTMENT Warranty card 2/27/02 11:47 AM Page 2[...]