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Yamaha F9.9F Owner'S Manual Download Page 63

Operation

57

outside of the outboard motor with fresh water
and, if possible, rinse the power head under
the cowling.

Cruising in muddy or turbid water

Yamaha strongly recommends that you use
the optional chromium-plated water pump kit
(available for V4 and large engines) if you use
the outboard motor in water with a lot of sedi-
ment in it, such as muddy or other turbid
(cloudy) water.

Cruising in acidic water

Water in some areas can be acidic. After op-
erating in such water, flush the cooling pas-
sages with fresh water to prevent corrosion.
Also rinse the outside of the outboard motor
with fresh water.

U6AU11E0.book  Page 57  Friday, September 7, 2007  10:51 AM

©

2019 Yamaha Motor Corporation, U.S.A.

Summary of Contents for F9.9F

Page 1: ...F9 9F T9 9G OWNER S MANUAL LIT 18626 07 71 6AU 28199 11 U S A Edition 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 2: ...r working on your outboard motor Keep this manual onboard in a waterproof bag when boating This manual should stay with the outboard motor if it is sold U6AU11E0 book Page 1 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 3: ...must be taken to avoid damage to the outboard motor NOTE A NOTE provides key information to make procedures easier or clearer Yamaha continually seeks advancements in product design and quality Therefore while this manual contains the most current product information available at the time of printing there may be minor discrepancies between your machine and this manual If there is any question con...

Page 4: ...her special situations 13 Basic requirements 15 Fueling instructions 15 Gasoline 15 Engine oil 15 Installation requirements 16 Boat horsepower rating 16 Mounting motor 16 Remote control requirements 16 Battery requirement 17 Without a rectifier or Rectifier Regulator 17 Propeller selection 17 Start in gear protection 18 Basic components 19 Main components 19 Fuel tank 20 Fuel joint 21 Fuel gauge 2...

Page 5: ...2 Procedure for tilting down manual tilt models 53 Procedure for tilting down power tilt models 53 Cruising in shallow water 54 Cruising in shallow water manual tilt models 54 Power tilt models 55 Cruising in other conditions 56 Maintenance 58 Specifications 58 Transporting and storing outboard motor 60 Dismounting the outboard motor 60 Storing outboard motor 62 Procedure 62 Lubrication 63 Cleanin...

Page 6: ...lt will not operate 87 Starter will not operate 87 Emergency starting engine 88 Engine fails to operate 89 Emergency engine operation 89 Treatment of submerged motor 89 Procedure 89 Consumer information 90 Important warranty information for U S A and Canada 90 YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD MOTOR THREE YEAR LIMITED WARRANTY 92 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAM...

Page 7: ...er is stamped on your key as shown in the illustration Record this number in the space provided for reference in case you need a new key EMU25221 Emission control information EMU25230 North American models This engine conforms to U S Environmental Protection Agency EPA regulations for ma rine SI engines See the label affixed to your engine for details EMU25242 Approval label of emission control ce...

Page 8: ...Low Emission The one star label identifies engines that meet the Air Resources Board s 2001 ex haust emission standards Engines meeting these standards have 75 lower emissions than conventional carbureted two stroke en gines These engines are equivalent to the U S EPA s 2006 standards for marine en gines 1 Approval label location 1 Manufactured date label location ZMU05159 1 Star labels location M...

Page 9: ...s Engines meeting these standards have 65 lower emissions than One Star Low Emission engines EMU33861 Four Stars Super Ultra Low Emission The four star label identifies engines that meet the Air Resources Board s Sterndrive and Inboard marine engine 2009 exhaust emission standards Personal Watercraft and Outboard marine engines may also comply with these standards Engines meeting these standards h...

Page 10: ...t Read all labels on the outboard motor and the boat If you need any additional information contact your Yamaha dealer EMU33831 Warning labels If these labels are damaged or missing contact your Yamaha dealer for replacements F9 9FMH T9 9GEH U6AU11E0 book Page 4 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 11: ...General information 5 F9 9FER T9 9GPH T9 9GPR U6AU11E0 book Page 5 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 12: ...General information 6 1 2 3 ZMU05670 U6AU11E0 book Page 6 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 13: ...ard caused by continuous rotation Electrical hazard Remote control lever gear shift lever operat ing direction dual direction Engine start Engine cranking ZMU05696 ZMU05664 ZMU05665 ZMU05666 ZMU05667 ZMU05668 U6AU11E0 book Page 7 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 14: ...ry could occur if the out board motor accidentally falls EMU33670 Engine shut off cord Attach the engine shut off cord so that the en gine stops if the operator falls overboard or leaves the helm This prevents the boat from running away under power and leaving peo ple stranded or running over people or ob jects Always attach the engine shut off cord to a secure place on your clothing or your arm o...

Page 15: ...ard to see The propeller can keep moving even when the motor is in neutral Shut off the engine when a person is in the water near you EMU33750 Passengers Consult your boat manufacturer s instructions for details about appropriate passenger loca tions in your boat and be sure all passengers are positioned properly before accelerating and when operating above an idle speed Standing or sitting in non...

Page 16: ...provided by the BoatU S Foundation is approved by the National Association of State Boating Law Administrators NASBLA and recognized by the United States Coast Guard Most but not all states accept this course to meet their minimum requirements While it cannot re place an in depth course such as one offered by the U S Coast Guard U S Power Squad ron or other organization this online course does pro...

Page 17: ... apply when you are driv ing your boat These rules are used interna tionally For USA and are also enforced by the United States Coast Guard and local agencies You should be aware of these rules and follow them whenever you encoun ter another vessel on the water EMU33700 Steering and sailing rules and sound signals Whenever two vessels on the water meet one another one vessel has the right of way i...

Page 18: ...ng 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 vessel Any vessels in the shaded 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 neith...

Page 19: ...sels with trolling lines are not considered fishing ves sels Fishing vessels have the right of way re gardless of position Fishing vessels cannot however impede the passage of other ves sels in narrow channels 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...

Page 20: ...d colors to show regulatory or advisory information These markers are white with black letters and orange boarders They signify speed zones restricted areas danger areas and general information Remember markings may vary by geograph ic location Always consult local boating au thorities before driving your boat in unfamiliar waters ZMU01708 U6AU11E0 book Page 14 Friday September 7 2007 10 51 AM 2 0...

Page 21: ...premium unleaded fuel Gasohol There are two types of gasohol gasohol con taining ethanol and that containing methanol Gasohol containing ethanol can be used if ethanol content does not exceed 10 and the fuel meets minimum octane ratings E 85 is a fuel blend containing 85 ethanol and there fore must not be used in your outboard motor All ethanol blends containing more than 10 ethanol can cause fuel...

Page 22: ...Improper mounting of the outboard mo tor could result in hazardous conditions such as poor handling loss of control or fire hazards Because the motor is very heavy spe cial equipment and training is required to mount it safely EMU33580 Remote control requirements The remote control unit must be equipped with a start in gear protection device s This device prevents the engine from starting un less ...

Page 23: ...ze and design of your propeller have a direct impact on acceleration top speed fuel economy and even engine life Yamaha designs and manufactures propellers for ev ery Yamaha outboard motor and every appli cation Your outboard motor came with a Yamaha propeller chosen to perform well over a range of applications but there may be uses where a different propeller would be more appropri ate Your Yamah...

Page 24: ...ature permits the engine to be started only when it is in neutral Always select neutral before starting the engine 1 Propeller diameter in inches 2 Propeller pitch in inches 3 Type of propeller propeller mark 1 Propeller diameter in inches 2 Propeller pitch in inches 3 Type of propeller propeller mark ZMU04606 x 1 2 3 ZMU04604 x 1 2 3 U6AU11E0 book Page 18 Friday September 7 2007 10 51 AM 2 0 1 9 ...

Page 25: ... screw 7 Trim rod 8 Clamp bracket 9 Flushing device 10 Choke knob 11 Fuel joint 12 Manual starter handle 13 Warning indicator 14 Engine stop button Engine shut off switch 15 Gear shift lever 16 Tiller handle 17 Throttle grip 18 Throttle friction adjuster 19 Tilt lock lever 20 Steering friction adjuster 21 Clamp screw 22 Rope attachment U6AU11E0 book Page 19 Friday September 7 2007 10 51 AM 2 0 1 9...

Page 26: ...ti cavitation plate 4 Propeller 5 Cooling water inlet 6 Drain screw 7 Clamp bracket 8 Power tilt switch 9 Flushing device 10 Choke knob 11 Fuel joint 12 Manual starter handle 13 Warning indicator 14 Starter button 15 Engine stop button Engine shut off switch 16 Gear shift lever 17 Tiller handle 18 Throttle grip 19 Throttle friction adjuster 20 Tilt lock lever 21 Steering friction adjuster 22 Clamp...

Page 27: ...ounted on the remote control box 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 farther opens the throttle and the engine will begin to accelerate 1 Air vent screw 2 Fuel gauge 3 ...

Page 28: ...ate the choke system press in the main switch while the key is turned to the on or start position The choke sys tem will then supply the rich fuel mixture re quired to start the engine When the key is released the choke will switch off automati cally EMU25911 Tiller handle To change direction move the tiller handle to the left or right as necessary EMU25922 Gear shift lever Pulling the gear shift ...

Page 29: ...r A friction device provides adjustable resis tance to movement of the throttle grip or the remote control lever and can be set accord ing to operator preference To increase resistance turn the adjuster clockwise To decrease resistance turn the adjuster counterclockwise WARNING EWM00031 Do not overtighten the friction adjuster If there is too much resistance it could be difficult to move the remot...

Page 30: ...r your arm or leg while operating Do not attach the cord to clothing that could tear loose Do not route the cord where it could become entangled pre venting it from functioning Avoid accidentally pulling the cord dur ing 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...

Page 31: ... the starter 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 circuits are off and the key can be removed on With the main switch in the on position the electrical circuits are on and the key can not be removed start With the main switch in the start po sition the starter motor tur...

Page 32: ...to the steering mechanism and can be set according to operator preference An ad juster lever is located on the bottom of the tiller handle bracket To increase resistance turn the lever to the port side A To decrease resistance turn the lever to the starboard side B WARNING EWM00040 Do not overtighten the friction adjuster If there is too much resistance it could be difficult to steer which could r...

Page 33: ...event the outboard motor from lifting out of the water when in reverse gear To lock it set the tilt lock lever in the lock po sition To release push the tilt lock lever in the release position EMU26321 Tilt support knob To keep the outboard motor in the tilted up po sition push the tilt support knob under the swivel bracket CAUTION ECM00660 Do not use the tilt support lever or knob when trailering...

Page 34: ...N ECM00630 Do not step on or exert pressure on the power tilt motor The power tilt unit could be damaged as a result CAUTION ECM00660 Do not use the tilt support lever or knob when trailering the boat The outboard mo tor could shake loose from the tilt support and fall If the motor cannot be trailered in the normal running position use an addi tional support device to secure it in the tilt positio...

Page 35: ...s lower Serious engine damage will occur The low oil pressure warning indicator does not indicate the engine oil level Use the oil dipstick to check the remain ing oil quantity For further information see page 35 EMU26802 Warning system CAUTION ECM00090 Do not continue to operate the engine if a warning device has activated Consult your Yamaha dealer if the problem cannot be located and corrected ...

Page 36: ... do so Check the oil level and add oil as needed If the oil level is correct and the warning device does not switch off consult your Yamaha dealer CAUTION ECM00101 Do not continue to run the engine if the low oil pressure warning indicator is on Serious engine damage could occur U6AU11E0 book Page 30 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 37: ...ently mount ed models your dealer or other person experienced in proper rigging should mount the motor EMU34801 Mounting the outboard motor CAUTION ECM01680 Do not hold the top cowling when mount ing or dismounting the outboard motor The top cowling could come off causing the outboard motor to fall 1 Be sure to mount the outboard motor while the boat is on land If the boat is on the water move it ...

Page 38: ...motor so that the anti cavitation plate is between the bottom of the boat and a level 25 mm 1 in below it CAUTION ECM01630 During water testing check the buoyan cy of the boat at rest with its maximum load Check that the static water level on the exhaust housing is low enough to prevent water entry into the power head when water rises due to waves when the outboard is not running Incorrect engine ...

Page 39: ...n the tran som This could cause loss of control and serious injury Make sure the transom screws are tightened securely Occasion ally check the screws for tightness during operation 2 If the engine restraint cable attachment is equipped on your engine an engine re straint cable or chain should be used At tach one end to the engine restraint cable attachment and the other to a secure mounting point ...

Page 40: ... Increase engine speed as much as nec essary to put the boat on plane but avoid full throttle operation then back off on the throttle while keeping the boat at a planing speed 3 Remaining eight hours Run the engine at any speed However avoid operating at full throttle for more than 5 minutes at a time 4 After the first 10 hours Operate the engine normally EMU27104 Pre operation checks WARNING EWM0...

Page 41: ... sition not tilted 2 Remove oil dipstick and wipe it clean 3 Completely insert the dipstick and re move it again 4 Check the oil level using the dipstick 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 specified level if it is above the upper mark NOTE Be sure to completely insert the dipstick into the dipstick guide EMU27433...

Page 42: ...and fuel system components Follow product labeling for use instructions EMU27450 Operating engine EMU27463 Feeding fuel portable tank 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 vapor will be released Gaso line i...

Page 43: ...rt models tiller control Starting procedure cold engine 1 Place the gear shift lever in neutral NOTE The start in gear protection device prevents the engine from starting except when in neu tral 2 Attach the engine shut off cord to a se cure place on your clothing or your arm or leg Then install the clip on the other end of the cord into the engine shut off switch WARNING EWM00121 Attach the engin...

Page 44: ...o crank and start the en gine 6 After the engine starts slowly return the manual starter handle to its original posi tion before releasing it 7 Slowly return the throttle grip to the fully closed position 8 Return the choke knob to the home posi tion gradually NOTE If the choke knob is left in the start position while the engine is running the en gine will run poorly or stall When the engine is co...

Page 45: ...gine shut off cord to a se cure place on your clothing or your arm or leg Then install the clip on the other end of the cord into the engine shut off switch 3 Place the throttle grip in the start position 4 Pull the manual starter handle slowly until you feel resistance Then give a strong pull straight out to crank and start the en gine NOTE If the engine does not start place the throt tle grip in...

Page 46: ...Then install the clip on the other end of the cord into the engine shut off switch WARNING EWM00121 Attach the engine shut off cord to a se cure place on your clothing or your arm or leg while operating Do not attach the cord to clothing that could tear loose Do not route the cord where it could become entangled pre venting it from functioning Avoid accidentally pulling the cord dur ing normal ope...

Page 47: ...so be damaged If the engine will not start after 5 seconds of cranking release the start er button wait 10 seconds then crank the engine again 7 Slowly return the throttle grip to the fully closed position 8 Return the choke knob to the home posi tion gradually NOTE If the choke knob is left in the start position while the engine is running the en gine will run poorly or stall When the engine is c...

Page 48: ... the en gine NOTE If the engine does not start place the throt tle grip in the warm engine position and try again It is not necessary to use the choke when starting a warm engine 5 Immediately after the engine starts re lease the starter button to allow it to re turn to its original position 6 Slowly return the throttle grip to the fully closed position U6AU11E0 book Page 42 Friday September 7 200...

Page 49: ...our arm or leg while operating Do not attach the cord to clothing that could tear loose Do not route the cord where it could become entangled pre venting it from functioning Avoid accidentally pulling the cord dur ing 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...

Page 50: ...ne The starter can also be damaged If the engine will not start after 5 seconds of cranking return the main switch to on wait 10 seconds then crank the engine again 8 Return the neutral throttle lever to the original position NOTE When the engine is cold for example when the ambient temperature is low in winter it needs to be warmed up For further informa tion see page 44 EMU27670 Warming up engin...

Page 51: ...rs or obstacles in the water near you CAUTION ECM01610 Warm up the engine before shifting into gear Until the engine is warm the idle speed may be higher than normal High idle speed can prevent you from shifting back to neutral If this occurs stop the en gine shift to neutral then restart the en gine and allow it to warm up To shift out of neutral 1 Pull the neutral interlock trigger up if equippe...

Page 52: ...idle speed 2 After the engine is at idle speed in gear move the remote control lever gear shift lever firmly and crisply into the neutral po sition EMU31742 Stopping boat WARNING EWM01510 Do not use the reverse function to slow down or stop the boat as it could cause you to lose control be ejected or impact ZMU02030 U6AU11E0 book Page 46 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o...

Page 53: ...off for a few minutes at idle or low speed Stop ping the engine immediately after operating at high speed is not recommended EMU27833 Procedure 1 Push and hold the engine stop button un til the engine comes to a complete stop 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 ...

Page 54: ...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 more difficult This increases the possibility of an accident If the boat begins to feel unstable or is hard to steer slow down and or readjust the trim angle EMU27872 Adjusting trim angle for manual tilt models There are 4 or 5 holes...

Page 55: ...on when trying a trim position for the first time Increase speed gradu ally and watch for any signs of instability or control problems Improper trim an gle can cause loss of control If equipped with a power trim and tilt switch located on the bottom cowling use the switch only when the boat is at a complete stop with the engine off Do not adjust the trim angle with this switch while the boat is mo...

Page 56: ...sengers overboard Bow Down Too much trim in causes the boat to plow through the water decreasing fuel economy and making it hard to increase speed Operat ing with excessive trim in at higher speeds 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 outboa...

Page 57: ...t Do not tilt up the engine by pushing the tiller handle if equipped because this could break the handle EMU27979 Procedure for tilting up manual tilt models 1 Place the remote control lever gear shift lever in neutral 2 Place the tilt lock lever if equipped in the release up position 3 Pull up the shallow water lever if equipped 4 Hold the rear of the top cowling with one hand and tilt the engine...

Page 58: ... secure it in the tilt position For more detailed information see page 60 EMU32722 Procedure for tilting up power tilt models 1 Place the remote control lever gear shift lever in neutral 2 Press the power tilt switch up until the outboard motor has tilted up com pletely 3 Push the tilt support knob into the clamp bracket to support the engine N ZMU03196 U6AU11E0 book Page 52 Friday September 7 200...

Page 59: ... press the power trim and tilt switch power tilt switch down to retract the trim rods CAUTION ECM00250 Be sure to retract the trim rods completely during mooring This protects the rods from marine growth and corrosion which could damage the power trim and tilt mechanism EMU30192 Procedure for tilting down manual tilt models 1 Place the tilt lock lever in the lock posi tion 2 Slightly tilt the engi...

Page 60: ...trol Do not rotate the outboard motor 180 and operate the boat in reverse Place the gear shift in reverse to operate the boat in reverse Use extra care when operating in re verse Too much reverse thrust can cause the outboard motor to lift out of the water increasing the chance of acci dent and personal injury Return the outboard motor to its normal position as soon as the boat is back in deeper w...

Page 61: ...nor mal running position place the gear shift lever in neutral then place the tilt lock le ver in the lock down position 5 Slightly tilt the outboard motor up until the tilt support bar automatically returns to the free position 6 Slowly lower the outboard motor to the normal position EMU32860 Power tilt models The outboard motor can be tilted up partially to allow operation in shallow water WARNI...

Page 62: ...te control lever gear shift lever in neutral 2 Slightly tilt the outboard motor up to the desired position using the power tilt switch 3 To return the outboard motor to the nor mal running position press the power tilt switch and slowly tilt the outboard motor down EMU28193 Cruising in other conditions Cruising in salt water After operating in salt water flush the cooling water passages with fresh...

Page 63: ...large engines if you use the outboard motor in water with a lot of sedi ment in it such as muddy or other turbid cloudy water Cruising in acidic water Water in some areas can be acidic After op erating in such water flush the cooling pas sages with fresh water to prevent corrosion Also rinse the outside of the outboard motor with fresh water U6AU11E0 book Page 57 Friday September 7 2007 10 51 AM 2...

Page 64: ...in T9 9GPH 1255 mm 49 4 in T9 9GPR 1255 mm 49 4 in Transom height S F9 9FMH 435 mm 17 1 in Transom height L F9 9FER 557 mm 21 9 in F9 9FMH 557 mm 21 9 in T9 9GEH 552 mm 21 7 in T9 9GPH 552 mm 21 7 in T9 9GPR 557 mm 21 9 in Transom height X T9 9GEH 620 mm 24 4 in T9 9GPH 620 mm 24 4 in T9 9GPR 625 mm 24 6 in Weight AL S F9 9FMH 41 5 kg 91 lb Weight AL L F9 9FER 42 6 kg 94 lb F9 9FMH 42 5 kg 94 lb T...

Page 65: ...ler mark F9 9FER N F9 9FMH N T9 9GEH R T9 9GPH R T9 9GPR R Fuel and oil Recommended fuel Regular unleaded gasoline Min pump octane 86 Fuel tank capacity 12 0 L 3 17 US gal 2 64 Imp gal Recommended engine oil 4 stroke outboard motor oil Recommended engine oil group 1 SAE 10W 30 10W 40 5W 30 API SE SF SG SH SJ SL Recommended engine oil group 2 SAE 15W 40 20W 40 20W 50 API SH SJ SL Lubrication Wet su...

Page 66: ...osition use an addi tional support device to secure it in the tilt position The outboard motor should be trailered and stored in the normal running position If there is insufficient road clearance in this position then trailer the outboard motor in the tilt posi tion using a motor support device such as a transom saver bar Consult your Yamaha dealer for further details EMU34821 Dismounting the out...

Page 67: ...ard motor to dismount it from the boat 7 When transporting or storing the out board motor while removed from a boat keep the outboard motor in the attitude shown or use an outboard motor stand 1 Steering bracket 2 Handgrip U6AU11E0 book Page 61 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 68: ...uble Store the outboard motor in a dry well ventilated place not in direct sunlight EMU28303 Procedure EMU32041 Flushing in a test tank 1 Dismount the outboard motor from the boat For further details see page 60 2 Wash the outboard motor body using fresh water For further information see page 65 3 Fill the fuel tank with fresh fuel and add one ounce of Yamaha Fuel Conditioner and Stabilizer to eac...

Page 69: ...roughly 13 Install the silencer cover cap and top cowling EMU28402 Lubrication 1 Install the spark plug s and torque to proper specification For information on spark plug installation see page 71 2 Change the gear oil For instructions see page 77 Inspect the oil for the presence of water that indicates a leaky seal Seal replacement should be performed by an authorized Yamaha dealer prior to use 3 ...

Page 70: ... 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 in a cool dry well ventilated place out of di rect sunlight 4 Once a month check the specific gravity of the electrolyte and recharge as re quired to prolong battery life EM...

Page 71: ...g the outboard motor After use wash the exterior of the outboard motor with fresh water Flush the cooling sys tem with fresh water NOTE For cooling system flushing instructions see page 60 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 ava...

Page 72: ...developed based upon typical use that includes operating at varied speeds with sufficient time for engine warm up and cool down a medium to light load and an average cruising speed near the 3000 to 4000 rpm range As with any engine howev er if your normal operating conditions are dif ferent you should consider service more often than shown especially how often you change your engine and gear oil E...

Page 73: ...use The symbol indicates the check ups which you may carry out yourself The symbol indicates work to be carried out by your Yamaha dealer Item Actions Initial Every 20 hours 3 months 100 hours 1 year 300 hours 3 years 500 hours 5 years Anode s external Inspection or replace ment as necessary Anode s cylinder head thermostat cov er Inspection or replace ment as necessary Battery Inspection or charg...

Page 74: ...ent as necessary Pilot water Inspection Throttle link Throttle cable Throttle pick up timing Inspection adjustment or replacement as nec essary Thermostat Inspection or replace ment as necessary Timing belt Inspection or replace ment as necessary Valve clearance Inspection and adjust ment Water inlet Inspection Main switch stop switch choke switch Inspection or replace ment as necessary Wire harne...

Page 75: ...t 2 Item Actions Every 1000 hours Guide exhaust ex haust manifold Inspection or replace ment as necessary Timing belt Replacement U6AU11E0 book Page 69 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 76: ...Maintenance 70 EMU28932 Greasing Yamaha marine grease Water resistant grease F9 9F T9 9G U6AU11E0 book Page 70 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 77: ... down and erode If electrode erosion becomes ex cessive or if carbon and other deposits are excessive you should replace the spark plug with another of the correct type 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 ...

Page 78: ...ound in the filter replace it For replace ment of the fuel filter consult your Yamaha dealer EMU29041 Inspecting idling speed WARNING EWM00451 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 CAUTION ECM00490 This procedure must be performed while the outboard motor is i...

Page 79: ...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 ECM01710 Change the engine oil after the first 20 hours of operation or 3 months and every 100 hours or at 1 year intervals thereafter Otherwise the engine will wear quickly NOTE Change the engine oil when the oil is still warm 1 Put the outboa...

Page 80: ...lt your Yamaha dealer if the problem cannot be located and corrected 6 Turn off the engine and wait 3 minutes Recheck the oil level using the dipstick 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 specified level if it is above the upper mark 7 Dispose of used oil according to local regulations NOTE For more information on ...

Page 81: ...he power tilt switches to check that all switches work 3 Tilt the outboard motor up and check that the tilt rod is pushed out completely 4 Check that the tilt rod is free of corrosion or other flaws 5 Tilt the outboard motor down Check that the tilt rod operates smoothly NOTE Consult your Yamaha dealer if any operation is abnormal EMU32110 Checking propeller WARNING EWM01610 You could be seriously...

Page 82: ...ge EMU30661 Removing propeller EMU29196 Spline models 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 washer if equipped and thrust washer ZMU01897 1 Cotter pin 2 Propeller nut 3 Washer 4 Propeller 5 Thrust washer 1 Cotter pin 2 Propeller nut 3 Washer 4 Spacer 5 Propeller 6 Thrust washer U6AU11E0 bo...

Page 83: ...th the pro peller shaft hole after tightening to the speci fied torque tighten the nut further to align it with the hole EMU29283 Changing gear oil WARNING EWM00800 Be sure the outboard motor is securely fastened to the transom or a stable stand You could be severely injured if the outboard motor falls on you Never get under the lower unit while it is tilted even when the tilt support lever or kno...

Page 84: ...evice inject the gear oil into the gear oil drain screw hole 6 Put a new gasket on the oil level plug When the oil begins to flow out of the oil level plug hole insert and tighten the oil level plug 7 Put a new gasket on the gear oil drain screw Insert and tighten the gear oil drain screw 1 Gear oil drain screw 2 Oil level plug ZMU02064 2 1 Recommended gear oil Hypoid gear oil SAE 90 Gear oil quan...

Page 85: ... result in a fuel leak which could result in a fire or ex plosion hazard Dispose of old gasoline according to lo cal regulations 1 Empty the fuel tank into an approved con tainer 2 Pour a small amount of suitable solvent into the tank Install the cap and shake the tank Drain the solvent completely 3 Remove the screws holding the fuel joint assembly Pull the assembly out of the tank 4 Clean the fil...

Page 86: ... poi sonous and highly caustic Always follow these preventive measures Avoid bodily contact with electrolytic fluid as it can cause severe burns or per manent eye injury Wear protective eye gear when handling or working near batteries Antidote EXTERNAL SKIN Flush with water EYES Flush with water for 15 minutes and get immediate medical attention Antidote INTERNAL Drink large quantities of water or...

Page 87: ...heck the specific gravity of the fluid at least once a month and recharge the battery when it is low NOTE Consult a Yamaha dealer when charging or re charging batteries EMU29332 Connecting the battery WARNING EWM00570 Mount the battery holder securely in a dry well ventilated vibration free location in the boat Install a fully charged battery in the holder CAUTION ECM01122 Make sure the main switc...

Page 88: ... 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 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 fouling paint which includes copper or gra...

Page 89: ...ft to neutral Engine will not start starter operates Q Is fuel tank empty A Fill tank with clean fresh fuel Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is fuel filter clogged A Clean or replace filter Q Is starting procedure incorrect A See page 37 Q Has fuel pump malfunctioned A Have serviced by a Yamaha dealer Q Are spark plug s fouled or of incorrect type A Inspect spark...

Page 90: ...Open air vent screw Q Is choke knob pulled out A Return to home position Q Is motor angle too high A Return to normal operating position Q Is carburetor clogged A Have serviced by a Yamaha dealer Q Is fuel joint connection incorrect A Connect correctly Q Is throttle valve adjustment incorrect A Have serviced by a Yamaha dealer Q Is battery cable disconnected A Connect securely Warning buzzer sound...

Page 91: ...eeds or other foreign matter tangled on gear housing A Remove foreign matter and clean lower unit Q Is fuel system obstructed A Check for pinched or kinked fuel line or oth er obstructions in fuel system Q Is fuel filter clogged A Clean or replace filter Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is spark plug gap incorrect A Inspect and adjust as specified Q Is ignition w...

Page 92: ...sly dam aged by a collision while operating or trailering Damage could make the out board motor unsafe to operate If the outboard motor hits an object in the wa ter follow the procedure below 1 Stop the engine immediately 2 Inspect the control system and all compo nents for damage Also inspect the boat for damage 3 Whether damage is found or not return to the nearest harbor slowly and careful ly 4...

Page 93: ...dent Attach the engine shut off cord to a se cure place on your clothing or your arm or leg while operating the boat Do not attach the cord to clothing that could tear loose Do not route the cord where it could become entangled pre venting it from functioning Avoid accidentally pulling the cord dur ing normal operation Loss of engine power means the loss of most steering control Also without engin...

Page 94: ...in neutral and that the clip is attached to the engine shut off switch The main switch must be on if equipped 5 If equipped the choke knob pull out it when the engine is cold After the engine starts gradually return the choke knob to its home position as the engine warms up 6 Insert the knotted end of the emergency starter rope into the notch in the flywheel rotor and wind the rope several turns a...

Page 95: ...r to a Yamaha dealer follow the proce dure below in order to minimize engine dam age EMU29783 Procedure 1 Thoroughly wash away mud salt sea weed and so on with fresh water 2 Remove the spark plug s then face the spark plug holes downward to allow any water mud or contaminants to drain 3 Drain the fuel from the carburetor fuel fil ter and fuel line Drain the engine oil completely 4 Fill the sump wi...

Page 96: ...Consumer information 90 EMU29811 Important warranty information for U S A and Canada U6AU11E0 book Page 90 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 97: ...Consumer information 91 U6AU11E0 book Page 91 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 98: ...ation 92 EMU29830 YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD MOTOR THREE YEAR LIMITED WARRANTY U6AU11E0 book Page 92 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 99: ...Consumer information 93 U6AU11E0 book Page 93 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 100: ...ormation 94 EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA U6AU11E0 book Page 94 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 101: ...U6AU11E0 book Page 95 Friday September 7 2007 10 51 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 102: ...A5 tate_Blank fm Page 1 Friday May 16 2003 9 00 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 103: ...A5 tate_Blank fm Page 1 Friday May 16 2003 9 00 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 104: ...September 2007 1 6 1 CR Printed in Japan Printed on recycled paper YAMAHA MOTOR CORPORATION USA 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

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