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- F2.5D
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Yamaha F2.5D Manual
Summary of F2.5D
Page 1
F2.5d owner’s manual lit-18626-05-96 69m-f8199-12 january 2004–0.3 × 1 cr printed in france 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 star labels ...................................... 2 safety information .........
Page 5: Table Of Contents
Table of contents cleaning and anticorrosion measures .................................. 33 cleaning the outboard motor........ 33 checking painted surface of motor ........................ 34 periodic maintenance................ 34 replacement parts ....................... 34 maintenance chart........
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 emu25272 star labels your outboard motor is labeled with a califor- nia air resources board (carb) star label. See below for a description of your particular label. Emu25280 one star—low emission the one-star label identifies engines that meet the air resources board’s 2001 ex-...
Page 8: General Information
General information 3 emu25360 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 9: General Information
General information 4 ● 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 10: General Information
General information 5 emu25464 caution labels emu25481 label caution: ecm01200 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, t...
Page 11: General Information
General information 6 “in obeying and construing these rules due re- gard shall be had to all dangers of navigation and collision, and to any special circumstanc- es, which may render a departure from the above rules necessary in order to avoid im- mediate danger.” in other words, follow the standar...
Page 12: General Information
General information 7 overtaking if you are passing another vessel, you are the “give-way” vessel. This means that the other vessel is expected to maintain 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 yo...
Page 13: General Information
General information 8 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 14: General Information
General information 9 ● 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 15: General Information
General information 10 speed is too high or too low for good engine performance, this will have an adverse effect on the engine. Yamaha outboard motors are fitted with pro- pellers chosen to perform well over a range of applications, but there may be uses where a propeller with a different pitch wou...
Page 16: Basic Components
Basic components 11 emu25795 main components note: * may not be exactly as shown; also may not be included as standard equipment on all models. Emu25821 fuel tank if your model included a fuel tank, its parts and functions are as follows. 1. Top cowling 2. Top cowling lock lever(s) 3. Carrying handl...
Page 17: Basic Components
Basic components 12 emu25850 fuel tank cap this cap seals the fuel tank. When removed, the tank can be filled with fuel. To remove the cap, turn it counterclockwise. Emu25860 air vent screw this screw is on the fuel tank cap. To loosen the screw, turn it counterclockwise. Emu25872 fuel cock the fuel...
Page 18: Basic Components
Basic components 13 emu25930 gear shift lever pulling the gear shift lever towards you puts the engine in forward gear so that the boat moves ahead. Emu25941 throttle grip the throttle grip is on the tiller handle. Turn the grip counterclockwise to increase speed and clockwise to decrease speed. Emu...
Page 19: Basic Components
Basic components 14 emu25990 engine stop lanyard switch the lock plate 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 helm, the lanyard will ...
Page 20: Basic Components
Basic components 15 emu26121 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 clockwise. T...
Page 21: Basic Components
Basic components 16 emu26450 carrying handle a carrying handle is provided on the rear of the outboard motor. It enables you to carry the outboard motor easily with one hand. U69m12e0.Book page 16 monday, june 21, 2004 10:31 am.
Page 22: Operation
Operation 17 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 23: Operation
Operation 18 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 24: Operation
Operation 19 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 same quality of material and strength and must be tightened securely. After tighten- ing, test run the engine and check their tightness. Emu301...
Page 25: Operation
Operation 20 emu30212 checking the engine oil level 1. Put the outboard motor in an upright po- sition (not tilted). 2. Check the oil level using the oil level check window to be sure the level falls between the upper and lower marks. Fill with oil if it is below the lower mark, or drain to the spec...
Page 26: Operation
Operation 21 emu27450 operating engine emu27472 feeding fuel warning ewm00420 ● before starting the engine, make sure that the boat is tightly moored and that you can steer clear of any obstructions. Be sure there are no swimmers in the water near you. ● when the air vent screw is loosened, gasoline...
Page 27: Operation
Operation 22 warning ewm00120 ● attach the engine stop switch lanyard to a secure place on your clothing, or your arm or leg while operating. ● do not attach the lanyard to clothing that could tear loose. Do not route the lanyard where it could become entan- gled, preventing it from functioning. ● a...
Page 28: Operation
Operation 23 ● if the engine does not start on the first try, repeat the procedure. If the engine fails to start after 4 or 5 tries, open the throttle a small amount (between 1/8 and 1/4) and try again. Also if the engine is warm and fails to start, open the throttle a same amount and try to start t...
Page 29: Operation
Operation 24 2. Move the gear shift lever quickly and firm- ly from neutral to forward. Remote control models pull up the neutral interlock trigger (if equipped) and move the remote control lever quickly and firmly from neutral to forward. Emu27810 reverse warning ewm00190 when operating in reverse,...
Page 30: Operation
Operation 25 2. After stopping the engine, tighten the air vent screw on the fuel tank cap and set the fuel cock lever or knob to the closed position, if equipped. 3. Disconnect the fuel line if you are using an external fuel tank. Note: if the outboard motor is equipped with an en- gine stop switch...
Page 31: Operation
Operation 26 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 32: Operation
Operation 27 also makes the boat unstable. Resistance at the bow is greatly increased, heightening the danger of “bow steering” and making opera- tion difficult and dangerous. Note: depending on the type of boat, the outboard motor trim angle may have little effect on the trim of the boat when opera...
Page 33: Operation
Operation 28 2. On full-pivot system models, tighten the steering friction adjuster by turning it clockwise to prevent the motor from turn- ing freely. 3. Tighten the air vent screw. On models equipped with a fuel joint, disconnect the fuel line from the outboard motor. 4. Close the fuel cock. 5. Ti...
Page 34: Operation
Operation 29 4. Loosen the steering friction adjuster by turning it counterclockwise, and adjust the steering friction according to operator preference. Warning ewm00720 if there is too much resistance it could be difficult to steer, which could result in an accident. U69m12e0.Book page 29 monday, j...
Page 35: Maintenance
Maintenance 30 emu28213 specifications dimension: overall length: 623 mm (24.5 in) overall width: 345 mm (13.6 in) overall height s: 1021 mm (40.2 in) transom height s: 432 mm (17.0 in) weight (al) s: 17.0 kg (37 lb) performance: full throttle operating range: 5250–5750 r/min maximum output: 1.8 kw@...
Page 36: Maintenance
Maintenance 31 pressure in the fuel container. This can cause fuel leakage and a potential fire hazard. 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 no...
Page 37: Maintenance
Maintenance 32 it is advisable to have your outboard motor serviced by an authorized yamaha dealer pri- or to storage. However, you, the owner, with a minimum of tools, can perform the following procedures. Caution: ecm01080 ● to prevent problems which can be caused by oil entering the cylinder from...
Page 38: Maintenance
Maintenance 33 warning ewm00090 ● do not touch or remove electrical parts when starting or during operation. ● keep hands, hair, and clothes away from the flywheel and other rotating parts while the engine is running. 7. Run the engine at a fast idle for 10–15 minutes in neutral position. 8. Just pr...
Page 39: Maintenance
Maintenance 34 emu28460 checking painted surface of motor check the motor for scratches, nicks, or flak- ing paint. Areas with damaged paint are more likely to corrode. If necessary, clean and paint the areas. A touch-up paint is available from your yamaha dealer. Emu28483 periodic maintenance warni...
Page 40: Maintenance
Maintenance 35 emu28521 maintenance chart frequency of maintenance operations may be adjusted according to the operating conditions, but the following table gives general guidelines. Refer to the sections in this chapter for expla- nations of each owner-specific action. The “ ” symbol indicates the ...
Page 41: Maintenance
Maintenance 36 emu28931 greasing yamaha marine grease (water resistant grease) emu28950 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 42: Maintenance
Maintenance 37 before fitting the spark plug, measure the electrode gap with a wire thickness gauge; adjust the gap to specification if necessary. 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 correc...
Page 43: Maintenance
Maintenance 38 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 44: Maintenance
Maintenance 39 3. Put a new gasket on the oil drain screw. Apply a light coat of oil to the gasket and install the drain screw. Note: if a torque wrench is not available when you are installing the drain screw, finger tighten the screw just until the gasket comes into con- tact with the surface of t...
Page 45: Maintenance
Maintenance 40 emu29120 exhaust leakage start the engine and check that no exhaust leaks from the joints between the exhaust cover, cylinder head, and body cylinder. Emu29130 water leakage start the engine and check that no water leaks from the joints between the exhaust cover, cylinder head, and bo...
Page 46: Maintenance
Maintenance 41 emu29193 removing the propeller 1. Straighten the cotter pin and pull it out us- ing a pair of pliers. 2. Remove the propeller nut, washer, and spacer (if equipped). 3. Remove the propeller and thrust washer. Emu30370 installing the propeller caution: ecm00340 ● be sure to install the...
Page 47: Maintenance
Maintenance 42 note: if the magnetic gear oil drain screw equipped: remove all metal particles from the screw be- fore 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 get...
Page 48: Maintenance
Maintenance 43 emu29390 checking top cowling check the fitting of the top cowling by pushing it with both hands. If it is loose have it repaired by your yamaha dealer. Emu29400 coating the boat bottom a clean hull improves boat performance. The boat bottom should be kept as clean of marine growth as...
Page 49: Trouble Recovery
Trouble recovery 44 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 50: Trouble Recovery
Trouble recovery 45 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 51: Trouble Recovery
Trouble recovery 46 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 52: Trouble Recovery
Trouble recovery 47 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 53: Trouble Recovery
Trouble recovery 48 ● 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 54: Trouble Recovery
Trouble recovery 49 7. Remove the starter case by pulling it to- wards you. 8. Install the fuel tank bracket by installing the bolts. 9. Install 2 bolts into the rear section of the fuel tank. 10. Prepare the engine for starting; see page 21. Be sure the engine is in neutral and that the engine stop...
Page 55: Trouble Recovery
Trouble recovery 50 15. Install the top cowling. 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 t...
Page 56: Consumer Information
Consumer information 51 emu29811 important warranty information for u.S.A. And canada u69m12e0.Book page 51 monday, june 21, 2004 10:31 am.
Page 57: Consumer Information
Consumer information 52 u69m12e0.Book page 52 monday, june 21, 2004 10:31 am.
Page 58: Consumer Information
Consumer information 53 emu29830 yamaha motor corporation, u.S.A. Four-stroke outboard motor three-year limited warranty u69m12e0.Book page 53 monday, june 21, 2004 10:31 am.
Page 59: Consumer Information
Consumer information 54 u69m12e0.Book page 54 monday, june 21, 2004 10:31 am.
Page 60: Consumer Information
Consumer information 55 emu29840 important warranty information if you use your yamaha outside u.S.A. Or canada u69m12e0.Book page 55 monday, june 21, 2004 10:31 am.
Page 61: F2.5D
F2.5d owner’s manual lit-18626-05-96 69m-f8199-12 january 2004–0.3 × 1 cr printed in france yamaha motor corporation, usa u.S.A.Edition.
Page 62
Warranty card 12/6/01 7:40 pm page 1.
Page 63
Warranty card 12/6/01 7:40 pm page 2.