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- Outboard Motor
- F250
- Owner's Manual
Yamaha F250 Owner's Manual
Summary of F250
Page 1
F250 lf250 owner’s manual lit-18626-06-80 6p2-28199-12 u.S.A.Edition.
Page 2
Zmu01690 read this owner’s manual carefully before operating your outboard motor. U6p212e0.Book page 1 monday, june 6, 2005 4:23 pm.
Page 3
Important manual information emu31280 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 key number .................................... 1 emission control information ....... 1 north american models.................. 1 star labels ...................
Page 5: Table Of Contents
Table of contents operating engine....................... 31 feeding fuel.................................. 31 starting engine ............................. 31 warming up engine ................... 33 manual start and electric start models ...................................... 33 shifting ............
Page 6: Table Of Contents
Table of contents consumer information................ 70 important warranty information for u.S.A. And canada ........... 70 yamaha motor corporation, u.S.A. Four-stroke outboard motor three-year limited warranty ........... 72 important warranty information if you use your yamaha outside the usa o...
Page 7: 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 8: General Information
General information 2 emu25262 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 califor- nia air resources board (carb) star label. See below for a description of your particular label. Emu25280 one ...
Page 9: General Information
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. Emu25362 safety information ● befo...
Page 10: General Information
General information 4 ● know the marine laws and regulations where you will be boating—and obey them. For basic boating rules, see “rules 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 ar...
Page 11: General Information
General information 5 emu25413 label (counter rotation models) warning ewm01281 use only a counterclockwise rotation pro- peller with this engine. Counterclockwise propellers are marked with a letter “l” after the size indication. The wrong type of propeller could cause the boat to go in an unexpect...
Page 12: General Information
General information 6 crossing: (you are traveling across the other vessel’s path) overtaking: (you are passing or being passed by another vessel) in the following illustration, your boat is in the center. You should give the right-of-way to any vessels shown in white area (you are the give-way vess...
Page 13: General Information
General information 7 vessels, the operator should sound a pro- longed blast on the whistle (4 to 6 seconds). If another vessel is around the bend, it too should sound the whistle. Even if no reply is heard, however, the vessel should still pro- ceed around the bend with caution. If you nav- igate s...
Page 14: 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 15: 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 16: General Information
General information 10 emu25700 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 elec- tric system could perform poorly or be overloaded, causing electric system dam- age. For electric s...
Page 17: General Information
General information 11 for instructions on propeller removal and in- stallation, see page 57. Emu25770 start-in-gear protection yamaha outboard motors or yamaha-ap- proved remote control units are equipped with start-in-gear protection device(s). This feature permits the engine to be started only wh...
Page 18: Basic Components
Basic components 12 emu25796 main components note: * may not be exactly as shown; also may not be included as standard equipment on all models. Emu26180 remote control the remote control lever actuates both the shifter and the throttle. The electrical switches are mounted on the remote control box. ...
Page 19: Basic Components
Basic components 13 emu26190 remote control lever moving the lever forward from the neutral po- sition engages forward gear. Pulling the lever back from neutral engages reverse. The en- gine will continue to run at idle until the lever is moved about 35° (a detent can be felt). Moving the lever fart...
Page 20: Basic Components
Basic components 14 note: the neutral throttle lever will operate only when the remote control lever is in neutral. The remote control lever will operate only when the neutral throttle lever is in the closed position. Emu26232 free accelerator to open the throttle without shifting into either forwar...
Page 21: Basic Components
Basic components 15 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 engine stop switch for the engine to run. The lanyard should be attached to a secure place on the operator’s...
Page 22: Basic Components
Basic components 16 with the main switch in the “ ” (start) po- sition, the starter motor turns to start the en- gine. When the key is released, it returns automatically to the “ ” (on) position. Emu26141 power trim and tilt switch on remote control or tiller handle the power trim and tilt system ad...
Page 23: Basic Components
Basic components 17 note: for instructions on using the power trim and tilt switch, see page 37. Emu26161 power trim and tilt switches (twin binnacle type) the power trim and tilt system adjusts the out- board motor angle in relation to the transom. Pushing the switch “ ” (up) trims the out- board m...
Page 24: Basic Components
Basic components 18 emu26340 tilt support lever for power trim and tilt or hydro tilt model to keep the outboard motor in the tilted up po- sition, lock the tilt support lever to the clamp bracket. Emu26382 top cowling lock lever (pull up type) to remove the engine top cowling, pull up the lock leve...
Page 25: Basic Components
Basic components 19 emu26491 digital tachometer the tachometer shows the engine speed and has the following functions. Note: all segments of the display will light momen- tarily after the main switch is turned on and will return to normal thereafter. Note: the water separator and engine trouble warn...
Page 26: Basic Components
Basic components 20 emu26600 speedometer (digital type) this gauge shows the boat speed. Note: after the main switch is first turned on, all seg- ments of the display come on as a test. After a few seconds, the gauge will change to nor- mal operation. Watch the gauge when turning on the main switch ...
Page 27: Basic Components
Basic components 21 emu26650 hour meter (digital type) this meter shows the number of hours the en- gine 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. ● changing the display format pressing the “ ...
Page 28: Basic Components
Basic components 22 note: the clock operates on battery power. Discon- necting the battery will stop the clock. Reset the clock after connecting the battery. Emu26710 fuel gauge the fuel level is indicated by eight segments. When all segments are showing, the fuel tank is full. Caution: ecm00860 the...
Page 29: Basic Components
Basic components 23 emu26740 fuel management meter the fuel management meter shows the state of the fuel consumption while the engine is running. Note: after the main switch is first turned on, all seg- ments of the display come on as a test. After a few seconds, the gauge will change to nor- mal op...
Page 30: Basic Components
Basic components 24 ● the fuel consumption meter and fuel econ- omy meter will indicate the same unit of measurement. Emu26760 fuel consumption meter this gauge displays the total amount of fuel consumed since the gauge was last reset. Press the “ ” (mode) button repeatedly until the indicator on th...
Page 31: Basic Components
Basic components 25 press the “ ” (mode) button repeatedly until the indicator on the face of the gauge points to “ ” (synchronizer). Note: if the two engines’ speeds are not synchro- nized while cruising, they can be synchro- nized by adjusting trim angle or throttle. Emu26791 water separator warni...
Page 32: Basic Components
Basic components 26 ● the buzzer will sound. If the warning system has activated, stop the engine and check the cooling water inlet for clogging. Note: dual engine drive users: should the overheat warning system of one engine activate, the engine will slow down and the buzzer will sound. This will c...
Page 33: Basic Components
Basic components 27 caution: ecm00100 do not continue to run the engine if the low oil pressure warning indicator is on. Serious engine damage could occur. U6p212e0.Book page 27 monday, june 6, 2005 4:23 pm.
Page 34: Operation
Operation 28 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 35: Operation
Operation 29 emu26930 mounting height (boat bottom) to run your boat at optimum efficiency, the water resistance (drag) of the boat and out- board motor must be made as little as possi- ble. The mounting height of the outboard motor greatly affects the water resistance. If the mounting height is too...
Page 36: Operation
Operation 30 emu27102 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 37: Operation
Operation 31 3. Securely close the cap after filling the tank. Wipe up any spilled fuel. Emu27270 ring free fuel additive gasoline is a precise blend of many different substances, each chosen to give certain char- acteristics. Gasoline blends have been changing in recent years in response to con- ce...
Page 38: Operation
Operation 32 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 or leg. Then install the lock plate on the other end of the lanyard into the en- gine stop switc...
Page 39: Operation
Operation 33 4. Turn the main switch to “ ” (start), and hold it for a maximum of 5 seconds. 5. Immediately after the engine starts, re- lease the main switch to return it to “ ” (on). Caution: ecm00191 ● never turn the main switch to “ ” (start) while the engine is running. ● do not keep the starte...
Page 40: Operation
Operation 34 hole is blocked. Consult your yamaha dealer if the problem cannot be located and corrected. ● if the cooling passage is frozen, it may take awhile for water to start flowing out of the pilot hole. Emu27740 shifting warning ewm00180 before shifting, make sure there are no swimmers or obs...
Page 41: Operation
Operation 35 remote control models pull up the neutral interlock trigger (if equipped) and move the remote control lever quickly and firmly from neutral to reverse. Emu27820 stopping engine before stopping the engine, first let it cool off for a few minutes at idle or low speed. Stop- ping the engin...
Page 42: Operation
Operation 36 engine, and propeller. Correct trim is also af- fected by variables such as the load in the boat, sea conditions, and running speed. Warning ewm00740 excessive trim for the operating condi- tions (either trim up or trim down) can cause boat instability and can make steer- ing the boat m...
Page 43: Operation
Operation 37 emu27911 adjusting boat trim when the boat is on plane, a bow-up attitude results in less drag, greater stability and effi- ciency. 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 tenden- cy to steer to one side o...
Page 44: Operation
Operation 38 connect the fuel line if the outboard mo- tor is equipped with a fuel joint. Otherwise fuel may leak. Caution: ecm00990 ● before tilting the outboard motor, follow the procedure under “stopping engine” in this chapter. Never tilt the outboard motor while the engine is running. Se- vere ...
Page 45: Operation
Operation 39 warning ewm00260 after tilting the outboard motor, be sure to support it with the tilt support knob or tilt support lever. Otherwise the outboard mo- tor could fall back down suddenly if oil in the power trim and tilt unit loses pressure. 5. Models equipped with trim rods: once the outb...
Page 46: Operation
Operation 40 emu28060 cruising in shallow water the outboard motor can be tilted up partially to allow operation in shallow water. Emu30710 power trim and tilt models / power tilt models the outboard motor can be tilted up partially to allow operation in shallow water. Warning ewm00660 ● place the g...
Page 47: Operation
Operation 41 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. Emu28191 cruising in other conditions cruising in salt water after operating in salt water, wash out the cooling water passages with fresh wate...
Page 48: Maintenance
Maintenance 42 emu28217 specifications dimension: overall length: 892 mm (35.1 in) overall width: 634 mm (25.0 in) overall height x: 1829 mm (72.0 in) overall height u: 1956 mm (77.0 in) transom height x: 643 mm (25.3 in) transom height u: 770 mm (30.3 in) weight (without propeller) x: 274.0 kg (604...
Page 49: Maintenance
Maintenance 43 emu28222 transporting and storing outboard motor warning ewm00690 ● 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. ● use care when transporting fuel tank, whether in a boat or car....
Page 50: Maintenance
Maintenance 44 emu28301 procedure emu30740 flushing with the flushing attachment 1. Wash the outboard motor body using fresh water. For further information, see page 47. 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...
Page 51: Maintenance
Maintenance 45 6. Run the engine at a fast idle for a few minutes in neutral position while supply- ing fresh water. 7. Just prior to turning off the engine, quickly spray “yamaha stor-rite engine fogging oil” (part no. Lub-strrt-12-00) alter- nately into the intake silencer or the fog- ging hole of...
Page 52: Maintenance
Maintenance 46 batteries vary among manufacturers. There- fore the following procedures may not always apply. Consult your battery manufacturer’s in- structions. Procedure 1. Disconnect and remove the battery from the boat. Always disconnect the black negative cable first to prevent the risk of shor...
Page 53: Maintenance
Maintenance 47 cause serious overheating. Be sure the connector is tightened securely on the fit- ting after flushing the engine. Note: ● when flushing the engine with the boat in the water, tilting up the outboard motor until it is completely out of the water will achieve better results. ● for cool...
Page 54: Maintenance
Maintenance 48 emu30562 maintenance chart note: ● refer to the sections in this chapter for explanations of each owner-specific action. ● the maintenance cycle on these charts assume usage of 200 hours per year and regular flushing of the cooling water passages. Maintenance frequency should be adjus...
Page 55: Maintenance
Maintenance 49 emu28874 maintenance chart (additional) throttle link / throttle cable / throttle pick-up timing inspection / adjustment water pump inspection / replace- ment engine oil inspection / change oil filter (cartridge) change spark plug(s) cleaning / adjustment / replacement timing belt ins...
Page 56: Maintenance
Maintenance 50 emu28931 greasing yamaha marine grease (water resistant grease) u6p212e0.Book page 50 monday, june 6, 2005 4:23 pm.
Page 57: Maintenance
Maintenance 51 emu30770 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 or fire. Caution: ecm01510 ● do not use any tools to remove or i...
Page 58: Maintenance
Maintenance 52 5. 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 estimate of the correct torque is 1...
Page 59: Maintenance
Maintenance 53 ● fuel system parts leakage ● fuel line joint leakage ● fuel line cracks or other damage ● fuel connector leakage 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 doin...
Page 60: Maintenance
Maintenance 54 emu29084 changing engine oil warning ewm00760 ● avoid draining the engine oil immediate- ly after stopping the engine. The oil is hot and should be handled with care to avoid burns. ● be sure the outboard motor is securely fastened to the transom or a stable stand. Caution: ecm01240 c...
Page 61: Maintenance
Maintenance 55 4. Start the engine and watch to make sure the low oil pressure warning indicator 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 ...
Page 62: Maintenance
Maintenance 56 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 contact with the surface of the drain hole. Then tighten 1/4 to 1/2 turn more. Tighten the drain screw to the correct torque with a torque wre...
Page 63: Maintenance
Maintenance 57 5. Check that the tilt rod and trim rods are free of corrosion or other flaws. 6. Activate the tilt-down switch until the trim rods have retracted completely into the cylinders. 7. Activate the trim-up switch until the tilt rod is fully extended. Unlock the tilt support lever. 8. Tilt...
Page 64: Maintenance
Maintenance 58 ● 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. Note: if the shear pin equipped: it is designed to break if the propeller hits a hard underwater obstacle to help protect ...
Page 65: Maintenance
Maintenance 59 1. Apply yamaha marine grease or a corro- sion resistant grease to the propeller shaft. 2. Install the thrust washer and propeller on the propeller shaft. 3. Install the spacer and washer. Tighten the propeller nut to the specified torque. 4. Align the propeller nut with the propeller...
Page 66: Maintenance
Maintenance 60 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. Emu29312 inspecting and replacing anode(s) yamaha outboard motors are protected from corrosion by sacrificial anodes. Inspect the exter...
Page 67: Maintenance
Maintenance 61 ● drink large quantities of water or milk followed by milk of magnesia, beaten egg, or vegetable oil. Get immediate medical attention. Batteries also generate explosive hydro- gen gas; therefore, you should always fol- low these preventive measures: ● charge batteries in a well-ventil...
Page 68: Maintenance
Maintenance 62 ● the electrical contacts of the battery and cables must be clean and properly connected, or the battery will not start the engine. Connect the red battery cable to the posi- tive (+) terminal first. Then connect the black battery cable to the negative (-) ter- minal. Connecting an ac...
Page 69: Maintenance
Maintenance 63 emu29400 coating the boat bottom a clean hull improves boat performance. The boat bottom should be kept as clean of marine growth as possible. If necessary, the boat bot- tom can be coated with an anti-fouling paint approved for your area to inhibit marine growth. Do not use anti-foul...
Page 70: Trouble Recovery
Trouble recovery 64 emu29424 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 71: Trouble Recovery
Trouble recovery 65 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 72: Trouble Recovery
Trouble recovery 66 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 73: Trouble Recovery
Trouble recovery 67 a. Connect correctly. 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. H...
Page 74: Trouble Recovery
Trouble recovery 68 emu29471 replacing fuse if a fuse has blown, remove the electrical cov- er, open the fuse holder and remove the fuse with a fuse puller (if equipped). Replace it with a spare one of the proper amperage. Warning ewm00630 be sure to use the specified fuse. An in- correct fuse or a ...
Page 75: Trouble Recovery
Trouble recovery 69 emu29522 power trim and tilt / power 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 unit, the engine can be tilted manual...
Page 76: Consumer Information
Consumer information 70 emu29811 important warranty information for u.S.A. And canada u6p212e0.Book page 70 monday, june 6, 2005 4:23 pm.
Page 77: Consumer Information
Consumer information 71 u6p212e0.Book page 71 monday, june 6, 2005 4:23 pm.
Page 78: Consumer Information
Consumer information 72 emu29830 yamaha motor corporation, u.S.A. Four-stroke outboard motor three-year limited warranty u6p212e0.Book page 72 monday, june 6, 2005 4:23 pm.
Page 79: Consumer Information
Consumer information 73 u6p212e0.Book page 73 monday, june 6, 2005 4:23 pm.
Page 80: Consumer Information
Consumer information 74 emu29841 important warranty information if you use your yamaha outside the usa or canada u6p212e0.Book page 74 monday, june 6, 2005 4:23 pm.
Page 81
May 2005–2.4 × 1 cr printed in japan printed on recycled paper yamaha motor corporation, usa.
Page 82
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 83
Place post age here a ttn: w a rr ant y dep a rtment warranty card 2/27/02 11:47 am page 2.