Yamaha F9.9C Ower's Manual

Other manuals for F9.9C: Service Manual, Owner's Manual

Summary of F9.9C

  • Page 1

    Printed in japan april 2003-0.5 × 1 ! 6g8-28199-1m (f9.9bmh, f9.9be, ft9.9aeh, ft9.9ae) (e) printed on recycled paper f9.9c t9.9c owner’s manual u.S.A.Edition lit-18626-05-49 6g8-9-1m-hyoshi 3/29/03 4:03 pm page 1.

  • Page 2

    6g8-9-1m-hyoshi 3/29/03 4:03 pm page 2.

  • Page 3: To The Owner

    E emu14490 to the owner thank you for choosing a yamaha outboard motor. This owner’s manual contains infor- mation needed for proper operation, main- tenance and care. A thorough understand- ing of these simple instructions will help you obtain maximum enjoyment from your new yamaha. If you have any...

  • Page 4: Contents

    E emu00030 contents 1 2 3 4 5 6 general information basic components operation maintenance trouble recovery index read this owner’s manual carefully before operating your outboard motor. 6g8-9-1m-1 4/4/03 11:32 am page 3.

  • Page 5: Chapter 1

    E 1 2 3 4 5 6 emu00040 chapter 1 general information identification numbers record 1-1 outboard motor serial number..............1-1 key number ..........................................1-1 emission control information ..1-2 star labels.............................................1-3 safety informat...

  • Page 6: Identification Numbers

    E 1-1 emu00050 identification numbers record emu00070 outboard motor serial num- ber the outboard motor serial number is stamped on the label attached to the port side of the clamp-bracket. Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from you...

  • Page 7: Manufactured:

    E 1-2 001537 q w emission control information engine family : this engine conforms to 2001 u.S. Epa regulations for marine si engines. This engine conforms to 2001 california emission regulations for si marine engines. Refer to the owners manual for maintenance specifications and adjustments. Fels :...

  • Page 8

    E 1-3 000852 q emu13890 star labels your outboard motor is labeled with a california air resources board (carb) star label. See below for a description of your particular label. 1 star label one star - low emission the one-star label identifies engines that meet the air resources board’s 2001 exhaus...

  • Page 9: Qsafety Information

    E 1-4 emu09170 qsafety information 8 before mounting or operating the out- board motor, read this entire manual. Reading it should give you an under- standing of the motor and its operation. 8 before operating the boat, read any owner’s or operator’s manuals supplied with it and all labels. Be sure ...

  • Page 10

    E 1-5 8 be informed about boating safety. Additional publications and information can be obtained from many organiza- tions, including the following: united states coast guard consumer affairs staff (g-bc) office of boating, public, and consumer affairs u.S. Coast guard headquarters washington, d.C....

  • Page 11: Important Labels

    E 1-6 001519 w e q warning this engine is equipped with a neutral starting device. The engine will not start unless the shift control is in neutral position. 6e0-83627-41 warning 7be sure shift control is in neutral before starting engine. (except 2hp) 7do not touch or remove electrical parts when s...

  • Page 12: Basic Boating Rules

    E 1-7 emu00150 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 internationally, and are also enforced by the united states coast guard ...

  • Page 13

    E 1-8 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 other vessel’s path) ...

  • Page 14

    E 1-9 sailing vessel right-of-way sailing vessels should normally be given the right-of-way. The exceptions to this are: 1. When the sailing vessel is overtaking the power-driven vessel, the power-dri- ven vessel has the right-of-way. 2. Sailing vessels should keep clear of any fishing vessel. 3. In...

  • Page 15

    E 1-10 remember, markings may vary by geo- graphic location. Always consult local boat- ing authorities before driving your boat in unfamiliar waters. 1 1 a 1 1 proceeding toward head of navigation from seaward can buoy odd number. Leave to port. Or secondary channel buoys starts new numbering syste...

  • Page 16: Fueling Instructions

    E 1-11 emu00160 fueling instructions w gasoline and its vapors are high- ly flammable and explosive! 8 do not smoke when refueling, and keep away from sparks, flames, or other sources of ignition. 8 stop engine before refueling. 8 refuel in a well-ventilated area. Refuel portable fuel tanks off the ...

  • Page 17

    E 1-12 emu18040 gasoline if knocking or pinging occurs, use a differ- ent brand of gasoline or premium unleaded fuel. Recommended gasoline: regular unleaded gasoline with a minimum octane rating of 86 (pump octane number) = (r+m)/2 emu00270 gasohol there are two types of gasohol: gasohol containing ...

  • Page 18: Engine Oil

    E 1-13 emu17690 engine oil recommended engine oil: 4-stroke motor oil with a combination of cor- responding sae and api as shown in the chart. C c all 4-stroke engines are shipped from the factory without engine oil. Sae api se sf sg sh sj 10w-30 10w-40 engine oil quantity: see chapter 4, “specifica...

  • Page 19: Battery Requirement

    E 1-14 emu17750 battery requirement c c 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 whic...

  • Page 20: Propeller Selection

    E 1-15 emu13950 propeller selection the performance of your outboard motor will be critically affected by your choice of propeller, as an incorrect choice could adversely affect performance and could also seriously damage the motor. Engine speed depends on the propeller size and boat load. If engine...

  • Page 21: Start-In-Gear Protection

    E 1-16 1 propeller diameter (in inches) 2 propeller pitch (in inches) 3 type of propeller (propeller mark) refer to the section “checking pro- peller” for instructions on propeller removal and installation. 9-1/4 x 9-3/4 - j 602021 q w e 11-3/4 x 9-1/4 - r 602031 w q e emu12090 start-in-gear protect...

  • Page 22: -Memo-

    E -memo- 6g8-9-1m-1 4/4/03 11:32 am page 22.

  • Page 23: Chapter 2

    Emu00370 chapter 2 basic components main components.............................2-1 operations of controls and other functions ..............................2-2 fuel tank ...............................................2-2 gear shift lever .....................................2-3 engine stop lanyard ...

  • Page 24: Main Components

    E 2-1 emu12060 main components q w e r !0 o !2 !1 i t y u !5 !7 !8 @2 !3 @1 !4 !9 !6 !5 @0 @1 !9 @3 @4 @5 !8 1 top cowling 2 top cowling lock lever 3 cooling water pilot hole 4 oil drain bolt 5 anti-cavitation plate 6 anode 7 propeller 8 cooling water inlet 9 shallow water lever 0 trim angle adjusti...

  • Page 25: Operations of Controls

    E 2-2 emu00390 operations of controls and other functions emu14650 fuel tank if your model included a portable fuel tank, its parts and functions are as follows. 1 fuel hose joint 2 fuel meter (if equipped) 3 fuel tank cap 4 air vent screw (if equipped) emu00420 fuel hose joint this connector is pro...

  • Page 26

    E 2-3 310016 q e w 001138 q w emu00510 gear shift lever (for tiller con- trol model) turning the gear-shift lever towards you engages the clutch with the forward gear so that the boat moves ahead. Turning the lever away from you engages the reverse gear so that the boat moves astern. 1 neutral 2 for...

  • Page 27

    E 2-4 209015 306022 emu00600 starter button (for tiller control model) when you push the starter button, the elec- tric starter motor cranks the engine to start it. Emu00590 recoil starter handle (if equipped) pull the handle gently until resistance is felt. Then vigorously pull the handle straight ...

  • Page 28

    E 2-5 001533 emu00720 engine stop button pushing this button opens the ignition circuit and stops the engine. 001531 q 502013 emu00670 throttle indicator the fuel consumption curve on the throttle indicator shows the relative amount of fuel consumed for each throttle position. Choose the setting tha...

  • Page 29

    E 2-6 507011 1 2 3 701012 q w e r t y r n f q w e r t y u u t r y 701031 emu00740 gear shift lever turning the gear-shift lever forward (bow side) engages the clutch with the forward gear so that the boat moves ahead. Turning the lever backward (stern side) engages the reverse gear so that the boat ...

  • Page 30

    E 2-7 701036 n 000324 q w emu00990 neutral interlock trigger to shift out of neutral, the neutral interlock trigger of the remote control lever must first be pulled up. Emu01000 neutral throttle lever to open the throttle without shifting into either forward or reverse, place the remote control leve...

  • Page 31

    E 2-8 000569 q w emu09340 engine stop lanyard switch the lock-plate 1 must be attached to the engine stop lanyard switch for the engine to run. The lanyard 2 should be attached to a secure place on the operator’s clothing, or arm or leg. Should the operator fall over- board or leave the helm, the la...

  • Page 32

    E 2-9 701035 emu11550 throttle friction adjusting screw a friction device in the remote control box provides adjustable resistance to movement of the remote control lever, and can be set according to operator preference. An adjust- ing screw is located on the front of the remote control box. W do no...

  • Page 33

    E 2-10 emu18750 steering lock device t9.9eh a boat with a rudder (such as a sailboat) can be steered with the boat’s rudder if the engine is locked in the straight-ahead posi- tion. Lock the steering lock lever to the steering lock plate. 1 steering lock lever 2 steering lock plate note: if the sail...

  • Page 34

    E 2-11 emu01160 shallow water lever (if equipped) lifting this lever will tilt the motor up partially to provide more clearance when operating in shallow water. Emu18730 oil pressure indicator the oil pressure lamp is on when the engine is running and oil pressure is nor- mal. If oil pressure drops ...

  • Page 35

    E 2-12 emu01520 tilt lock mechanism (for manual tilt model) the tilt-lock mechanism is used to prevent reverse thrust from the propeller lifting the outboard motor when reversing. To lock it, set the tilt-lock lever in the up position. To release it, push the tilt-lock lever down. 1 tilt-lock lever ...

  • Page 36: -Memo-

    E -memo- 6g8-9-1m-2 4/4/03 11:34 am page 14.

  • Page 37: Chapter 3

    Emu01740 chapter 3 operation installation.......................................3-1 mounting the outboard motor................3-2 clamping the outboard motor ...............3-5 charging battery ...................................3-6 breaking in (running in) engine......................................

  • Page 38: Installation

    E 3-1 emu01750 installation c c incorrect engine height or obstructions to smooth water flow (such as the design or condition of the boat or acces- sories such as transom ladders/depth finder transducers) can create airborne water spray while the boat is cruising. Severe engine damage may result if ...

  • Page 39

    E 3-2 emu14780 mounting the outboard motor w 8 overpowering a boat may cause severe instability. Do not install an out- board motor with more horsepower than the maximum rating on the capacity plate of the boat. If the boat does not have a capacity plate, consult the boat manufacturer. 8 the informa...

  • Page 40

    E 3-3 mount the outboard motor on the center line (keel line) of the boat, and ensure that the boat itself is well balanced. Otherwise, the boat will be hard to steer. For boats without a keel or which are asymmetrical, consult your dealer. 1 center line (keel line) 104011 q emu12980 mounting height...

  • Page 41

    E 3-4 emu13010 points to note on sailboats (for ft9.9) when mounting the outboard motor on the motor bracket of a sailboat, check the fol- lowing points: 8 when using the outboard, the cavitation plate should be 50 mm (2 in) or more below the water surface to prevent pro- peller damage. Because a sa...

  • Page 42

    E 3-5 emu13180 clamping the outboard motor 1) place the outboard on the transom so that it is positioned as close to the cen- ter as possible. Tighten the transom clamp screws evenly and securely. Check the clamp-screws for tightness occasionally during operation of the motor as they can work loose ...

  • Page 43

    E 3-6 emu18760 charging battery for t9.9mh if an accessory battery charging is required, proceed the following steps for connecting the charging circuit to the battery. The charge lead and fuse holder for making the circuit are provided in the packing. 1) remove the top cowling and remove the cdi un...

  • Page 44: Breaking In (Running In)

    E 3-7 emu02240 breaking in (running in) engine your new engine requires a period of break- in (running-in) to allow mating surfaces of moving parts to wear-in evenly. Correct break-in (running-in) will help ensure proper performance and longer engine life. C c failure to follow the break-in (running...

  • Page 45: Pre-Operation Checks

    E 3-8 emu02040 pre-operation checks w if any item in the pre-operation check is not working properly, have it inspected and repaired before operating the out- board motor. Otherwise, an accident could occur. C c do not start the engine out of water. Overheating and serious engine damage can occur. E...

  • Page 46

    E 3-9 emu02090 controls 8 check throttle, shift, and steering for proper operation before starting the engine. 8 the controls should work smoothly, with- out binding or unusual free play. 8 look for loose or damaged connections. 8 check operation of the starter and stop switches when the outboard mo...

  • Page 47: Filling Fuel

    E 3-10 902055 emu02020 filling fuel 1) remove the fuel tank cap. 2) fill the fuel tank carefully. 3) close the cap securely after refueling. Wipe up any spilled fuel. Emu02030 ring free fuel additive gasoline is a precise blend of many differ- ent substances, each chosen to give certain characterist...

  • Page 48: Starting Engine

    E 3-11 902053 001525 902061 001671 emu14610 starting engine w 8 before starting the engine, make sure that the boat is tightly moored and that you can steer clear of any obstruc- tions. Be sure there are no swimmers in the water near you. 8 when the air vent screw is loosened, gasoline (petrol) vapo...

  • Page 49

    E 3-12 n n 001139 503016 emu14970 procedure for tiller con- trol model 4) place the gear-shift lever in the neutral position. Note: the start-in-gear protection device prevents the engine from starting except when in neutral. 5) attach the engine stop switch lanyard to a secure place on your clothin...

  • Page 50

    E 3-13 209015 emu09140 manual start model 7) pull the starter handle slowly until you feel resistance. Then, give a strong pull straight out to crank and start the engine. Repeat it, if necessary. 8) after the engine starts, return the starter handle slowly to the original position before releasing ...

  • Page 51

    E 3-14 n 701015 000293 emu02470 procedure for remote con- trol model 4) place the remote control lever in the neutral position. Note: the start-in-gear protection device prevents the engine from starting except when in neutral. 5) attach the engine stop switch lanyard to a secure place on your cloth...

  • Page 52

    E 3-15 emu09490 electric start model 7) turn the main switch to “start”, and hold it for a maximum of 5 seconds. 8) immediately after the engine starts, release the main switch to return it to “on”. C c 8 do not turn the main switch to “start” when the engine is running. 8 do not keep the starter-mo...

  • Page 53: Warming Up Engine

    E 3-16 emu18830 warming up engine 1) after starting the engine, allow it to idle for 3 minutes to warm up. Failure to do so will shorten engine life. 2) be sure the oil pressure indicator stays on after starting the engine. 3) check for a steady flow of water from the cooling water pilot hole. C c 8...

  • Page 54: Checkpoints After

    E 3-17 emu18850 checkpoints after starting engine 8 check for a steady flow of water from the cooling water pilot hole. 8 check that the oil pressure indicator is on. For further information, see chapter 2, “oil pressure indicator.” 8 check that the engine idle speed is stable after the engine has w...

  • Page 55: Shifting

    E 3-18 emu02610 shifting w before shifting, make sure there are no swimmers or obstacles in the water near you. C c to change the shifting position from for- ward to reverse or vice-versa, close the throttle first so that the engine idles (or runs at low speeds). Emu02650 forward tiller control mode...

  • Page 56

    E 3-19 503012 402053 r n n r n r 701044 emu13260 reverse w when operating in reverse, go slowly. Do not open the throttle more than half. Otherwise, the boat may become unsta- ble, which could result in loss of control and an accident. 1) place the throttle control grip in the fully closed position ...

  • Page 57: Stopping Engine

    E 3-20 001533 on start off 701023 001526 902052 emu02730 stopping engine let it cool off for a few minutes at idle or low speed first. Stopping the engine immediate- ly after operating at high speed is not rec- ommended. Emu02770 1) push and hold the engine stop button or turn the main switch to “of...

  • Page 58: Trimming Outboard

    E 3-21 000910 q emu14120 trimming outboard motor the trim angle of the outboard motor helps determine the position of the bow of the boat in the water. The correct trim angle will help improve performance and fuel econo- my while reducing strain on the engine. The correct trim angle depends upon the...

  • Page 59

    E 3-22 adjusting trim angle emu09510 manual tilt model there are 4 or 5 holes provided in the clamp bracket to adjust the outboard motor trim angle. 1) stop the engine. 2) remove the trim angle adjusting rod 1 from the clamp bracket while tilting the motor up slightly. 3) reposition the rod in the d...

  • Page 60

    E 3-23 emu19160 trim angle settings and boat handling when the boat is on plane, a bow-up atti- tude results in less drag, greater stability and efficiency. 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 tendency to steer to ...

  • Page 61: Tilting Up/down

    E 3-24 105031 emu02850 tilting up/down if the engine will be stopped for some time, or if the boat is moored in shallows, the engine should be tilted up to protect the propeller and casing from damage by colli- sion with obstructions, and also to reduce salt corrosion. C c 8 before tilting the motor...

  • Page 62

    E 3-25 001526 001528 001529 001560 emu02860 procedure for tilting up manual tilt model 1) remove the fuel-line connection from the motor. (if the fuel connector is pro- vided on the motor.) 2) place the tilt-lock lever in release. 3) hold the rear of the top cowling with one hand, tilt the engine up...

  • Page 63: Cruising In Shallow

    E 3-26 000832 emu13700 cruising in shallow water manual tilt model the outboard motor can be tilted up partial- ly to allow operation in shallow water. W 8 place the gear shift in the neutral posi- tion before using the shallow water cruising system. 8 run the boat at the lowest possible speed when ...

  • Page 64

    E 3-27 n 5 n 001528 001562 402053 emu03130 procedure 1) place the gear shift lever in the neutral position. 2) push the tilt-lock lever down to the release position. 3) slightly tilt up the engine and pull the shallow water lever toward the transom. 4) to return the engine to the normal posi- tion, ...

  • Page 65: Cruising In Other Condi-

    E 3-28 emu03160 cruising in other condi- tions cruising in salt water after operating in salt water, wash out the cooling-water passages with fresh water to prevent them from becoming clogged-up with salt deposits. Note: refer to cooling system flushing instructions in “transporting and storing out-...

  • Page 66: -Memo-

    E -memo- 6g8-9-1m-3 4/4/03 11:35 am page 30

  • Page 67: Chapter 4

    Emu03170 chapter 4 maintenance specifications...................................4-1 transporting and storing outboard motor .............................4-3 trailering outboard motor .....................4-3 storing outboard motor .........................4-4 periodic maintenance.......................

  • Page 68: Specifications

    E 4-1 emu18700¯ specifications model unit f9.9mhc item dimensions overall length mm (in.) overall width mm (in.) overall height s/l/x mm (in.) transom height s/l/x mm (in.) weight s/l/x kg (lb.) performance full throttle operating range r/min maximum output kw (hp) @ r/min idling speed (in neutral) ...

  • Page 69

    E 4-2 f9.9erc t9.9ehc t9.9erc 575 (22.64) 325 (12.8) — / 1,131 (44.53) / — — / 559 (22) / — — / 44.5 (98) / — 4,500–5,500 7.3 (9.9) @ 5,000 900–1,000 4-stroke, l2 232 (14.16) 59 × 42.4 (2.32 × 1.67) cdi system cr6hs 0.6–0.7 (0.02–0.03) remote control electric start 0.15–0.20 (0.0059–0.0079) 0.20–0.2...

  • Page 70: Transporting And Stor-

    E 4-3 emu13690 transporting and stor- ing outboard motor w 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. Emu03260 trailering outboard motor the motor should be trailered and stored in the normal...

  • Page 71

    E 4-4 001515 q e w emu03300 storing outboard motor when storing your yamaha outboard for prolonged periods of time, (2 months or longer), several important procedures must be performed to prevent expensive dam- age. It is advisable to have your outboard ser- viced by an authorized yamaha dealer prio...

  • Page 72

    E 4-5 emu03380 flushing cooling system and fogging engine cooling system flushing is essential to pre- vent the cooling system from clogging up with salt, sand, or dirt. In addition, fogging of the engine is mandatory to prevent expensive engine damage due to rust. Perform the flushing and fogging a...

  • Page 73

    E 4-6 6) remove the motor from the water tank. 7) install the top cowling. 1 water surface 2 lowest water level 605016 q w 000353 q emu03420 8 flushing with the flushing attachment c c avoid running the outboard at high speed while on the flushing attachment, or overheating could occur. 1) remove th...

  • Page 74

    E 4-7 emu03490 lubrication 1) remove the spark plug(s). Spray a yamaha “stor-rite engine fogging oil” into each cylinder for 10 seconds. Grease the spark plug threads and reinstall the spark plug(s) and torque to proper specification. (refer to the “cleaning and adjusting spark plug”). 2) turn the e...

  • Page 75

    E 4-8 emu15450 battery care w battery electrolyte is poisonous and dangerous, causing severe burns, etc. It contains sulfuric acid. Avoid contact with skin, eyes, or clothing. Antidote: external: flush with water. Internal: drink large quantities of water or milk. Follow with milk of magne- sia, bea...

  • Page 76: Periodic Maintenance

    E 4-9 emu15690 periodic maintenance w be sure to turn off the engine when you perform maintenance unless otherwise specified. If the owner is not familiar with machine servicing, this work should be done by a yamaha dealer or other qualified mechanic. Maintenance, replacement, or repair of the emiss...

  • Page 77

    E 4-10 emu19351 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 mark ( ●) indicates the check-ups...

  • Page 78

    E 4-11 emu03660 greasing yamaha marine grease (water resistant grease) 001563 500 hours 1000 hours (2.5 years) (5 years) timing belt replacement 1 item actions every 6g8-9-1m-4 4/4/03 11:45 am page 12.

  • Page 79

    E 4-12 emu12020 cleaning and adjusting spark plug w when removing or installing a spark plug, be careful not to damage the insu- lator. 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. Th...

  • Page 80

    E 4-13 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. 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 to 1/2...

  • Page 81

    E 4-14 001541 emu15090 checking fuel system w gasoline (petrol) and its vapors are high- ly flammable and explosive. Keep away from sparks, cigarettes, flames or other sources of ignition. Check the fuel line for leaks, cracks, or mal- functions. If any problem is found, it should be repaired immedi...

  • Page 82

    E 4-15 001523 emu03700 inspecting fuel filter w gasoline (petrol) is highly flammable, and its vapors are flammable and explo- sive. 8 if you have any question about proper- ly doing this procedure, consult your yamaha dealer. 8 do not perform this procedure on a hot or running engine. Allow the eng...

  • Page 83

    E 4-16 emu09912 inspecting idling speed w 8 do not touch or remove electrical parts when starting or during opera- tion. 8 keep hands, hair and clothes away from flywheel and other rotating parts while engine is running. C c this procedure must be performed while the outboard motor is in the water. ...

  • Page 84

    E 4-17 emu18840 changing engine oil w 8 avoid draining the engine oil immedi- ately after stopping the engine. The oil is hot and should be handled with care to avoid burns. 8 be sure the outboard motor is secure- ly fastened to the transom or a stable stand. C c 8 change the engine oil after the fi...

  • Page 85

    E 4-18 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 wrench as soo...

  • Page 86

    E 4-19 note: 8 for more information on the disposal of used oil, consult your yamaha dealer. 8 change the oil more often when operat- ing the engine under adverse conditions such as extended trolling. Emu03830 checking wiring and connec- tors 1) check that each grounding wire is properly secured. 2)...

  • Page 87

    E 4-20 210012 602051 602054 emu03880 checking propeller w you could be seriously injured if the engine accidentally starts while you are near the propeller. 8 before inspecting, removing or installing the propeller, remove the spark plug caps from the spark plugs. Also, put the shift control in neut...

  • Page 88

    E 4-21 001559 t e w q y 001549 q t w r y e f9.9 t9.9 emu09971 removing the propeller 1) straighten the cotter-pin 1 and pull it out using a pair of pliers. 2) remove the propeller nut 2 and wash- er 3. 3) remove the deflector 4 (for t9.9), pro- peller 5 and thrust washer 6. Emu09981 installing the p...

  • Page 89

    E 4-22 4) align the propeller nut with the propeller shaft hole. Insert a new cotter pin in the hole and bend the cotter pin ends. Note: when the propeller nut does not align with the propeller shaft hole after tightening to the specified torque, then tighten the nut further to align it with the hol...

  • Page 90

    E 4-23 3) remove the gear oil drain screw 1. 4) remove the oil level plug 2 to allow the oil to drain completely. C c inspect the used oil after it has been drained. If the oil is milky, water is get- ting into the gear case which can cause gear damage. Consult a yamaha dealer for repair of the lowe...

  • Page 91

    E 4-24 902054 emu15100 cleaning fuel tank w gasoline (petrol) is highly flammable, and its vapors are flammable and explo- sive. 8 if you have any question about proper- ly doing this procedure, consult your yamaha dealer. 8 keep away from sparks, cigarettes, flames or other sources of ignition when...

  • Page 92

    E 4-25 604034 emu14622 inspecting and replacing anode(s) yamaha outboard motors are protected from corrosion by sacrificial anodes. Inspect the external anodes periodically. Remove scales from the surfaces of the anodes. Consult a yamaha dealer for replacement of external anodes. C c do not paint an...

  • Page 93

    E 4-26 emu04041 checking battery (for electric start models) w battery electrolytic fluid is dangerous; it contains sulfuric acid and therefore is poisonous and highly caustic. Always follow these preventive mea- sures: 8 avoid bodily contact with electrolytic fluid as it can cause severe burns or p...

  • Page 94

    E 4-27 c c 8 a poorly maintained battery will quick- ly deteriorate. 8 ordinary tap-water contains minerals harmful to a battery, and should not be used for topping-up. 1) check the electrolyte level at least once a month. Fill to the manufacturer’s rec- ommended level when necessary. Top up only wi...

  • Page 95

    E 4-28 c c 8 make sure the main switch (on applica- ble models) is “off” before working on the battery. 8 reversal of the battery leads will dam- age the rectifier. 8 connect the red lead first when installing the battery and disconnect the red lead last when removing it. Otherwise, the electrical s...

  • Page 96

    E 4-29 emu16350 checking top cowling check the fitting of the top cowling by push- ing it with both hands. If the fitting is loose have it repaired by a yamaha dealer. Emu04090 motor exterior emu04100 cleaning the outboard motor after use, wash the exterior of the outboard with fresh water. Flush th...

  • Page 97: Chapter 5

    Emu04140 chapter 5 trouble recovery troubleshooting ............................5-1 temporary action in emergency .........................................5-4 impact damage .....................................5-4 replacing fuse ......................................5-4 starter will not operate........

  • Page 98: Troubleshooting

    E 5-1 emu17520 troubleshooting a problem in the fuel, compression, or ignition systems can cause poor starting, loss of power, or other problems. The troubleshooting chart describes basic checks and possible remedies. (this chart covers all yamaha outboard motors. Therefore, some items may not apply...

  • Page 99

    E 5-2 c. Engine idles irregularly or stalls. Trouble possible cause remedy 8. Poor connections or damaged ignition wiring. 9. Specified engine oil not used. 10. Thermostat faulty or clogged. 11. Carburetor adjustments incorrect. 12. Fuel pump damaged. 13. Air vent screw on the fuel tank closed. 14. ...

  • Page 100

    E 5-3 trouble possible cause remedy e. Engine vibrates excessively. 1. Propeller damaged. 2. Propeller shaft damaged. 3. Weeds or other foreign matter tangled on propeller. 4. Motor mounting bolt loose. 5. Clamp screw is loose. 6. Steering pivot loose or damaged. 1. Have propeller repaired or replac...

  • Page 101: Temporary Action In

    E 5-4 607011 emu04160 temporary action in emergency emu14920 impact damage w the outboard motor can be seriously damaged by a collision while operating or trailering. Damage could make the outboard motor unsafe to operate. If the outboard motor hits any object in the water, follow the procedure belo...

  • Page 102

    E 5-5 emu04230 starter will not operate if the starter mechanism does not operate (engine cannot be cranked with the starter), the engine can be started with an emer- gency starter rope. W 8 use this procedure only in an emer- gency and only to return to port for repairs. 8 when the emergency starte...

  • Page 103

    E 5-6 208032 off 000977 on 208033 emu18741 procedure 1) to remove the cowling: depress the lock-lever at the rear of the cowling, and lift the cowling up and backward. 2) to remove the flywheel cover: pull out the lock pin, loosen the bolt, and then remove the flywheel cover. 3) lock the front panel...

  • Page 104

    E 5-7 emu04340 engine fails to operate emu04420 cold engine fails to start 1) place the gear shift lever / remote con- trol lever in the neutral position. 2) open the throttle halfway (on models with neutral throttle-limiter, open throttle as far as it will go). 3) start the engine. 4) if the engine...

  • Page 105

    E 5-8 emu15110 treatment of submerged motor if the outboard motor is submerged, imme- diately take it a yamaha dealer. Otherwise, some corrosion may begin almost immedi- ately. If you cannot immediately take the outboard motor to a yamaha dealer, follow the proce- dure below in order to minimize eng...

  • Page 106: -Memo-

    E -memo- 6g8-9-1m-5 4/4/03 11:46 am page 10

  • Page 107: Chapter 6

    Emu04500 chapter 6 index index......................................................6-1 e 1 2 3 4 5 6 6g8-9-1m-6 4/4/03 12:04 pm page 1.

  • Page 108: Index

    E 6-1 emu04510 index a adjusting trim angle ...............................3-22 air vent screw ..........................................2-2 approval label of emission control certificate .................................................1-2 b basic boating rules ..................................1-7...

  • Page 109

    E 6-2 mounting the outboard motor ..................3-2 n neutral interlock trigger ...........................2-7 neutral throttle lever ................................2-7 o oil pressure indicator ............................2-11 one star - low emission.........................1-3 operations of co...

  • Page 110: Canada

    Emu15990 important warranty information for u.S.A. And canada welcome to the yamaha family! Congratulations on the purchase of your new yamaha marine power. Yamaha is commit- ted to exceptional customer satisfaction, and we want your ownership experience to be a satisfying one. Please read the follo...

  • Page 111

    5. Your warranty applies specifically to repairs made in the country of purchase. If your u.S.- purchased yamaha needs warranty service while in canada, or your canadian purchased yamaha needs service while in the united states, yamaha will assist the local dealer when- ever possible. However, some ...

  • Page 112: Four-Stroke Outboard Motor

    Emu14040 yamaha motor corporation, u.S.A. Four-stroke outboard motor three-year limited warranty yamaha motor corporation, u.S.A. Hereby warrants that new yamaha 1999-or-later model four-stroke outboard motors originally distributed by yamaha motor corporation, u.S.A. Will be free from defects in ma...

  • Page 113

    Specific parts excluded from warranty. Parts replaced due to normal wear or routine maintenance such as oil, spark plugs, shear pins, propellers, hubs, fuel and oil filters, brushes for the starter motor and power tilt motor, water pump impellers, and anodes, are not covered by warranty. Charges for...

  • Page 114

    Emu11780 important warranty information if you use your yamaha outside u.S.A. Or canada welcome to the yamaha family! Congratulations on the purchase of your new yamaha marine power. Yamaha is committed to exceptional customer satisfaction, and we want your ownership expe- rience to be a satisfying ...

  • Page 115: F9.9C

    Printed in japan april 2003-0.5 × 1 ! 6g8-28199-1m (f9.9bmh, f9.9be, ft9.9aeh, ft9.9ae) (e) printed on recycled paper f9.9c t9.9c owner’s manual u.S.A.Edition lit-18626-05-49 6g8-9-1m-hyoshi 3/29/03 4:03 pm page 1.

  • Page 116

    Yamaha motor co., ltd. Made in japan pays d'origine japon outboard motor warranty registration enregistrement de la garantie du moteur hors-bord please complete and mail this card. This information is necessary to accurately register your unit for warranty. Veuillez signer ci-dessous pour attester q...

  • Page 117: Attn:  Warranty Department

    Place postage here attn: warranty department warranty card 2/27/02 11:47 am page 2.