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- Outboard Motor
- F75
- Owner's Manual
Yamaha F75 Owner's Manual
Summary of F75
Page 1
F75 f90 owner’s manual lit-18626-06-79 6d6-28199-12 u.S.A.Edition.
Page 2
Zmu01690 read this owner’s manual carefully before operating your outboard motor. U6d612e0.Book page 1 monday, june 6, 2005 3:37 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
Important manual information u6d612e0.Book page 2 monday, june 6, 2005 3:37 pm.
Page 5: 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 6: Table Of Contents
Table of contents shifting ...................................... 32 forward (tiller handle and remote control models) ............. 32 reverse (automatic reverse lock and power trim and tilt models)........ 32 trolling ...................................... 33 adjusting trolling speed ................
Page 7: Table Of Contents
Table of contents consumer information................ 67 important warranty information for u.S.A. And canada ........... 67 yamaha motor corporation, u.S.A. Four-stroke outboard motor three-year limited warranty ........... 69 important warranty information if you use your yamaha outside the usa o...
Page 8: 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 9: 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 10: 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 11: 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 12: General Information
General information 5 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 when you are driving your boat. These rules are used inter- nationally, and are also enforced by the unit- ed...
Page 13: General Information
General information 6 area must yield to you (they are the give-way vessels). Both you and the meeting vessel must alter course to avoid each other. Meeting if you are meeting another power vessel head on, and are close enough to run the risk of col- lision, neither of you has the right-of-way! Both...
Page 14: General Information
General information 7 fishing vessel right-of-way all vessels which are fishing with nets, lines or trawls are considered to be “fishing vessels” under the international rules. Vessels with trolling lines are not considered fishing ves- sels. Fishing vessels have the right-of-way re- gardless of pos...
Page 15: 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 16: 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 17: 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 18: General Information
General information 11 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 19: 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 20: 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 21: Basic Components
Basic components 14 emu25922 gear shift lever pulling the gear shift lever towards you puts the engine in forward gear so that the boat moves ahead. Pushing the lever away from you puts the engine in reverse gear so that the boat moves astern. Emu25941 throttle grip the throttle grip is on the tille...
Page 22: Basic Components
Basic components 15 warning ewm00030 do not overtighten the friction adjuster. If there is too much resistance, it could be difficult to move throttle lever or grip, which could result in an accident. When constant speed is desired, tighten the adjuster to maintain the desired throttle set- ting. Em...
Page 23: Basic Components
Basic components 16 emu26001 engine stop button to open the ignition circuit and stop the en- gine, push this button. Emu26090 main switch the main switch controls the ignition system; its operation is described below. ● “ ” (off) with the main switch in the “ ” (off) posi- tion, the electrical circ...
Page 24: Basic Components
Basic components 17 emu26151 power trim and tilt switch on bottom engine cowling the power trim and tilt switch is located on the side of the bottom engine cowling. Pressing the switch “ ” (up) trims the outboard motor up, then tilts it up. Pressing the switch “ ” (down) tilts the outboard motor dow...
Page 25: Basic Components
Basic components 18 emu26241 trim tab with anode the trim tab should be adjusted so that the steering control can be turned to either the right or left by applying the same amount of force. Warning ewm00840 an improperly adjusted trim tab could cause difficult steering. Always test run af- ter the t...
Page 26: Basic Components
Basic components 19 emu26382 top cowling lock lever (pull up type) to remove the engine top cowling, pull up 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 by moving the lever(s) downward. Emu2646...
Page 27: Basic Components
Basic components 20 emu26521 low oil pressure warning indicator if oil pressure drops too low, the warning indi- cator will start to blink. For further information, see page 24. Caution: ecm00020 ● do not continue to run the engine if the low oil pressure warning indicator is on and the engine oil l...
Page 28: Basic Components
Basic components 21 note: the speedometer displays km/h, mph, or knots, according to operator preference. Se- lect the desired unit of measurement by set- ting the selector switch on the back of the gauge. See the illustration for settings. Emu26620 trim meter (digital type) this meter shows the tri...
Page 29: Basic Components
Basic components 22 emu26690 trip meter this gauge displays the distance the boat has traveled since the gauge was last reset. Press the “ ” (mode) button repeatedly until the indicator on the face of the gauge points to “ ” (trip). To reset the trip meter to zero, press the “ ” (set) and “ ” (mode)...
Page 30: Basic Components
Basic components 23 emu26720 fuel warning indicator if the fuel level decreases to one segment, the fuel level warning segment will begin to blink. Caution: ecm00880 do not continue to operate the engine with full throttle if a warning device has activat- ed. Get back to the port within trolling en-...
Page 31: Basic Components
Basic components 24 ● the buzzer will sound (if equipped on the tiller handle, remote control box, or main switch panel). If the warning system has activated, stop the engine and check the cooling water inlet for clogging. Emu26854 low oil pressure warning if the oil pressure drops too low, the warn...
Page 32: Operation
Operation 25 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 33: Operation
Operation 26 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 34: Operation
Operation 27 ● check fuel line connections to be sure they are tight (if equipped yamaha fuel tank or boat tank). ● be sure the fuel tank is positioned on a se- cure, flat surface, and that the fuel line is not twisted or flattened, or likely to contact sharp objects (if equipped yamaha fuel tank or...
Page 35: Operation
Operation 28 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- cerns about pollution and resulting emissions regulations. One of the most obv...
Page 36: Operation
Operation 29 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 37: Operation
Operation 30 caution: ecm00191 ● never turn the main switch to “ ” (start) while the engine is running. ● do not keep the starter motor turning for more than 5 seconds. If the starter motor is turned continuously for more than 5 seconds, the battery will be quickly dis- charged, thus making it impos...
Page 38: Operation
Operation 31 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 39: Operation
Operation 32 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 40: Operation
Operation 33 2. Move the gear shift lever quickly and firm- ly from neutral to reverse. Remote control models pull up the neutral interlock trigger (if equipped) and move the remote control lever quickly and firmly from neutral to reverse. Emu30880 trolling emu30890 adjusting trolling speed the trol...
Page 41: Operation
Operation 34 2. After stopping the engine, disconnect the fuel line if there is a fuel joint on the out- board motor. 3. Tighten the air vent screw on the fuel tank cap (if equipped). 4. Remove the key if the boat will be left un- attended. Note: the engine can also be stopped by pulling the lanyard...
Page 42: Operation
Operation 35 emu27881 adjusting trim angle power trim and tilt models warning 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 positi...
Page 43: Operation
Operation 36 note: to adjust the trim angle while the boat is mov- ing, use the power trim and tilt switch located on the remote control device or tiller handle, if equipped. Emu27911 adjusting boat trim when the boat is on plane, a bow-up attitude results in less drag, greater stability and effi- c...
Page 44: Operation
Operation 37 warning ewm00220 be sure all people are clear of the out- board motor when tilting up and down, also be careful not to pinch any body parts between the drive unit and engine bracket. Warning ewm00250 leaking fuel is a fire hazard. If there is a fuel joint on the outboard motor, discon- ...
Page 45: Operation
Operation 38 4. Push the tilt support knob into the clamp bracket or pull the tilt support lever toward you to support the engine. 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...
Page 46: Operation
Operation 39 emu28060 cruising in shallow water the outboard motor can be tilted up partially to allow operation in shallow water. Emu28090 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 40 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 41 emu28217 specifications dimension: overall length: 817 mm (32.2 in) overall width: 479 mm (18.9 in) overall height l: 1582 mm (62.3 in) overall height x: 1710 mm (67.3 in) transom height l: 536 mm (21.1 in) transom height x: 664 mm (26.1 in) weight (without propeller) l: 168.0 kg (370...
Page 49: Maintenance
Maintenance 42 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 43 emu28301 procedure emu30001 flushing with the flushing attachment 1. Wash the outboard motor body using fresh water. For further information, see page 46. 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 44 equipped. When properly done, the en- gine will smoke excessively and almost stall. 8. Remove the flushing attachment and wipe off any excess water. 9. Install the top cowling and propeller. 10. Drain the cooling water completely out of the motor. Clean the body thoroughly. Note: a fl...
Page 52: Maintenance
Maintenance 45 procedure 1. Disconnect and remove the battery from the boat. Always disconnect the black negative cable first to prevent the risk of shorting. 2. Clean the battery casing and terminals. Fill each cell to the upper level with dis- tilled water. 3. Store the battery on a level surface ...
Page 53: Maintenance
Maintenance 46 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 47 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 48 emu28874 maintenance chart (additional) emu28910 note: when using lead or high-sulfur gasoline, inspecting valve clearance may be required more fre- quently than every 500 hours. Throttle link / throttle cable / throttle pick-up timing inspection / adjustment water pump inspection / r...
Page 56: Maintenance
Maintenance 49 emu28931 greasing yamaha marine grease (water resistant grease) emu28952 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 57: Maintenance
Maintenance 50 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 1/4 ...
Page 58: Maintenance
Maintenance 51 ● 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 the fuel filter. Keep away from sparks, cigarettes, flames or other sources of igni...
Page 59: Maintenance
Maintenance 52 ● if the oil level is above the upper level mark, drain until the level meets the specified capacity. Overfilling the oil could cause leakage or damage. Caution: ecm01240 change the engine oil after the first 10 hours of operation, and every 100 hours or at 6-month intervals thereafte...
Page 60: Maintenance
Maintenance 53 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...
Page 61: Maintenance
Maintenance 54 note: if any leaks are found, consult your yamaha dealer. Emu29162 checking power trim and tilt / power tilt system warning ewm00430 ● never get under the lower unit while it is tilted, even when the tilt support lever is locked. Severe injury could occur if the outboard motor acciden...
Page 62: Maintenance
Maintenance 55 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 63: Maintenance
Maintenance 56 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. Align the propeller nut with the propeller shaft hole. Insert a new cotter pin in the hol...
Page 64: Maintenance
Maintenance 57 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 65: Maintenance
Maintenance 58 ● 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 66: Maintenance
Maintenance 59 connect the red battery cable to the posi- tive (+) terminal first. Then connect the black battery cable to the negative (-) terminal. Emu29370 disconnecting the battery disconnect the black cable from the nega- tive (-) terminal first. Then disconnect the red cable from the positive ...
Page 67: Trouble Recovery
Trouble recovery 60 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 68: Trouble Recovery
Trouble recovery 61 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 69: Trouble Recovery
Trouble recovery 62 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 70: Trouble Recovery
Trouble recovery 63 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 71: Trouble Recovery
Trouble recovery 64 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 72: Trouble Recovery
Trouble recovery 65 ● avoid accidentally pulling the lanyard during normal operation. Loss of engine 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. ● be sure no one is stand...
Page 73: Trouble Recovery
Trouble recovery 66 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 74: Consumer Information
Consumer information 67 emu29811 important warranty information for u.S.A. And canada u6d612e0.Book page 67 monday, june 6, 2005 3:37 pm.
Page 75: Consumer Information
Consumer information 68 u6d612e0.Book page 68 monday, june 6, 2005 3:37 pm.
Page 76: Consumer Information
Consumer information 69 emu29830 yamaha motor corporation, u.S.A. Four-stroke outboard motor three-year limited warranty u6d612e0.Book page 69 monday, june 6, 2005 3:37 pm.
Page 77: Consumer Information
Consumer information 70 u6d612e0.Book page 70 monday, june 6, 2005 3:37 pm.
Page 78: Consumer Information
Consumer information 71 emu29841 important warranty information if you use your yamaha outside the usa or canada u6d612e0.Book page 71 monday, june 6, 2005 3:37 pm.
Page 79
May 2005–1.8 × 1 cr printed in japan printed on recycled paper yamaha motor corporation, usa.
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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...
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Place post age here a ttn: w a rr ant y dep a rtment warranty card 2/27/02 11:47 am page 2.