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Yamaha 90A, Owner'S Manual

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Yamaha 90A Owner'S Manual Download Page 81

Trouble Recovery

75

ately take it to a Yamaha dealer. Otherwise
some corrosion may begin almost immedi-
ately. 

NOTICE:

 Do not attempt to run the

outboard motor until it has been com-
pletely inspected.

 [ECM00401]

 

6H1-9-2A-1E0.book  75 ページ  ２０１０年２月１７日　水曜日　午前１０時４２分

Summary of Contents for 90A

Page 1: ...Read this manual carefully before operating this outboard motor OWNER S MANUAL 90A 6H1 28199 2A E0 6H1 9 2A 1E0 book 1...

Page 2: ...52 Read this manual carefully before operating this outboard motor Keep this manual onboard in a waterproof bag when boating This manual should stay with the outboard motor if it is sold 6H1 9 2A 1E0...

Page 3: ...ing there may be minor discrepancies between your machine and this manual If there is any question concerning this manu al please consult your Yamaha dealer To ensure long product life Yamaha recom m...

Page 4: ...tiple batteries 11 Propeller selection 11 Start in gear protection 11 Engine oil requirements 11 Fuel requirements 11 Gasoline 11 Muddy or acidic water 12 Anti fouling paint 12 Motor disposal requirem...

Page 5: ...vel indicator operation 37 Operating engine 37 Sending fuel portable tank 37 Starting engine 38 Checks after starting engine 41 Cooling water 41 Warming up engine 41 Electric start and prime start mod...

Page 6: ...cking battery for electric start models 65 Connecting the battery 65 Disconnecting the battery 66 Trouble Recovery 67 Troubleshooting 67 Temporary action in emergency 70 Impact damage 70 Replacing fus...

Page 7: ...he clamp bracket when the motor is trimmed or tilted Keep body parts out of this area at all times Be sure no one is in this area before operating the power trim and tilt mechanism The power trim and...

Page 8: ...mmends that you must wear a PFD whenever boating At a minimum children and non swimmers should always wear PFDs and everyone should wear PFDs when there are potentially hazardous boat ing conditions E...

Page 9: ...not have brakes and stopping the engine or reducing throttle can reduce the ability to steer If you are not sure that you can stop in time before hitting an obstacle apply throttle and turn in anothe...

Page 10: ...r key as shown in the illustration Record this number in the space provided for reference in case you need a new key EMU37290 EC Declaration of Conformity DoC This outboard motor conforms to certain p...

Page 11: ...213 C Tick label Engines affixed with this label conform to certain portion s of the Australian Radio Communications Act 1 CE marking location 1 C Tick label location 1 ZMU06654 ZMU06040 1 ZMU06655 ZM...

Page 12: ...is manual Read any manuals supplied with the boat Read all labels on the outboard motor and the boat If you need any additional information contact your Yamaha dealer EMU33832 Warning labels If these...

Page 13: ...681 Keep hands hair and clothing away from rotating parts while the engine is running Do not touch or remove electrical parts when starting or during operation 3 WARNING EWM01671 Read Owner s Manuals...

Page 14: ...lows Notice Warning Read Owner s Manual Hazard caused by continuous rotation Electrical hazard Remote control lever gear shift lever operat ing direction dual direction Engine start Engine cranking ZM...

Page 15: ...n Idle speed in neutral 800 50 r min Engine Type 2 stroke L Displacement 1140 0 cm3 Bore stroke 82 0 72 0 mm 3 23 2 83 in Ignition system CDI micro computer Spark plug NGK B8HS 10 Spark plug with resi...

Page 16: ...andling loss of control or fire hazards Because the motor is very heavy spe cial equipment and training is required to mount it safely Your dealer or other person experienced in proper rigging should...

Page 17: ...nge at full throttle with the maximum boat load Generally select a larger pitch propel ler for a smaller operating load and a smaller pitch propeller for a heavier load If you carry loads that vary wi...

Page 18: ...m plated water pump kit if you use the outboard motor in muddy or acidic water conditions However depending on the model it might not be required EMU36330 Anti fouling paint A clean hull improves boat...

Page 19: ...as a fuel storage container Com mercial users should conform to relevant TRIP TIME BATT Km h knot mph km mile SPEED YAMAHA set mode 1 9 2 12 13 14 15 16 17 19 18 3 4 5 6 7 8 11 10 ZMU07225 1 Top cowli...

Page 20: ...l lever actuates both the shifter and the throttle The electrical switch es are mounted on the remote control box EMU26190 Remote control lever Moving the lever forward from the neutral po sition enga...

Page 21: ...The remote control lever will operate only when the neutral throttle lever is in the closed position EMU25912 Tiller handle To change direction move the tiller handle to the left or right as necessary...

Page 22: ...could be difficult to move the remote control lever or throttle grip which could result in an accident EWM00032 When constant speed is desired tighten the adjuster to maintain the desired throttle set...

Page 23: ...tton is pushed EMU26091 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...

Page 24: ...26143 Power trim and tilt switch on remote control or tiller handle The power trim and tilt system adjusts the outboard motor angle in relation to the tran som Pressing the switch up trims the outboar...

Page 25: ...steering is correct Be sure you have tightened the bolt after ad justing the trim tab The trim tab should be adjusted so that the steering control can be turned to either the right or left by applyin...

Page 26: ...move the engine top cowling turn the cowling lock lever s and lift off the cowling When installing the cowling check to be sure it fits properly in the rubber seal Then lock the cowling again by retur...

Page 27: ...djust the trim angle to the desired using the power trim and tilt switch If the trim angle of your motor exceeds the trim operating range the top segment on the trim meter display will blink EMU26651...

Page 28: ...052 Do not continue to run the engine if the overheat alert indicator is on Serious en gine damage will occur EMU26602 Digital speedometer This gauge shows the boat speed and other information All seg...

Page 29: ...nge the display press the mode button repeatedly until the indicator on the face of the gauge points to trip meter clock or voltmeter EMU26691 Trip meter This gauge displays the distance the boat has...

Page 30: ...device has activated Get back to the port within trolling engine speed NOTICE Running out of fuel can damage the engine ECM01770 EMU26732 Low battery voltage alert indicator If battery voltage drops t...

Page 31: ...work best for your boat under different conditions Adjust the trim angle to the desired setting with the power trim and tilt switch EMU26631 Hour meter This gauge shows the number of hours the engine...

Page 32: ...er will sound if equipped on the tiller handle remote control box or main switch panel If the alert system has activated stop the en gine and check the cooling water inlets Check trim angle to be sure...

Page 33: ...as been activated stop the engine and check for the cause TIP The alert for oil filter clogging is similar to the alerts for low oil level and overheating To make troubleshooting easier check for en g...

Page 34: ...lanced Otherwise the boat could be hard to steer For single en gine boats mount the outboard motor on the centerline keel line of the boat EMU26933 Mounting height boat bottom The mounting height of y...

Page 35: ...as the design or condition of the boat or ac cessories such as transom ladders or depth finder transducers can create airborne water spray while the boat is cruising If the outboard motor is oper ated...

Page 36: ...ccelerate at full throttle onto plane then immediately reduce the throttle to 3000 r min or less 3 Next two hours Accelerate at full throttle onto plane then reduce engine speed to three quar ter thro...

Page 37: ...re or explo sion Check for fuel leakage regularly If any fuel leakage is found the fuel system must be repaired by a qualified mechanic Improper repairs can make the outboard unsafe to operate EMU3645...

Page 38: ...re you have plenty of oil for your trip EMU27153 Engine Check the engine and engine mounting Look for loose or damaged fasteners Check the propeller for damage Check for engine oil leaks EMU27171 Oper...

Page 39: ...tion ECM01801 EMU36963 Install cowling 1 Be sure that all cowling lock levers are released 2 Be sure that the rubber seal is seated all the way around the top cowling 3 Place the top cowling on bottom...

Page 40: ...ntrol and en gine bottom cowling to check that all switches work 3 Tilt the outboard motor up and check that the tilt rod and trim rods are extend ed completely 4 Use the tilt support lever to lock th...

Page 41: ...me gasoline or inhale a lot of gasoline vapor or get some gasoline in your eyes see your doctor immediately If gasoline spills on your skin wash with soap and wa ter If gasoline spills on your clothin...

Page 42: ...xing is needed Simply pour gasoline into the fuel tank and oil into the oil tank Convenient indicator seg ments indicate the status of the oil supply For details on reading the indicator seg ments see...

Page 43: ...tain carbon monoxide a col orless odorless gas which could cause brain damage or death when inhaled Symptoms include nausea dizziness and drowsiness Keep cockpit and cab in areas well ventilated Avoid...

Page 44: ...ntil you feel it become firm During engine operation place the tank horizontally otherwise fuel cannot be drawn from the fuel tank EMU27493 Starting engine WARNING EWM01600 Before starting the engine...

Page 45: ...shut off switch 3 Place the throttle grip in the start position After the engine starts return the throttle to the fully closed po sition 4 Turn the main switch to start and hold it for a maximum of 5...

Page 46: ...ost steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward 1 Place the remote control lever in neutral TIP The star...

Page 47: ...ne is running overheating and serious damage could occur Stop the engine and check wheth er the cooling water inlet on the lower case or the cooling water pilot hole is blocked Consult your Yamaha dea...

Page 48: ...1 Pull the neutral interlock trigger up if equipped 2 Move the remote control lever gear shift lever firmly and crisply forward for forward gear or backward for reverse gear about 35 a detent can felt...

Page 49: ...amage to the boat could occur The boat is not equipped with a separate braking system Water resistance stops it af ter the throttle lever is moved back to idle The stopping distance varies depending o...

Page 50: ...bility of an accident If the boat begins to feel unstable or is hard to steer slow down and or readjust the trim angle The trim angle of the outboard motor helps determine the position of the bow of t...

Page 51: ...aise the bow trim out press the switch up To lower the bow trim in press the switch down Make test runs with the trim set to different angles to find the position that works best for your boat and ope...

Page 52: ...e will be stopped for some time or if the boat is moored in shallows the out board motor should be tilted up to protect the propeller and lower casing from damage by collision with obstructions and al...

Page 53: ...ard motor could fall back down suddenly if oil in the power trim and tilt unit or in the power tilt unit loses pressure EWM00262 NOTICE Do not use the tilt support lever or knob when trailering the bo...

Page 54: ...owth and corrosion which could damage the power trim and tilt mechanism ECM00252 EMU33121 Procedure for tilting down power trim and tilt models 1 Push the power trim and tilt switch up until the outbo...

Page 55: ...from overheat ing can result EMU32913 Procedure for power trim and tilt models 1 Place the remote control lever gear shift lever in neutral 2 Slightly tilt the outboard motor up to the desired positi...

Page 56: ...ecoming clogged Also rinse the outside of the outboard motor with fresh wa ter Cruising in muddy turbid or acidic water Yamaha strongly recommends that you use the optional chromium plated water pump...

Page 57: ...g the fuel line causing engine start dif ficulty or malfunction When storing or transporting the outboard motor make sure to follow the procedure list ed below Disconnect the fuel line from the outboa...

Page 58: ...h speed while on the flushing attachment otherwise overheating could occur ECM02000 5 Cooling system flushing is essential to prevent the cooling system from clog ging up with salt sand or dirt In add...

Page 59: ...e tails see page 59 TIP For long term storage fogging the engine with oil is recommended Contact your Yamaha dealer for information about fogging oil and procedures for your engine EMU28444 Flushing p...

Page 60: ...ools and supplies If you do not have the proper skills tools or supplies to perform a maintenance procedure have a Yamaha dealer or other qualified mechanic do the work The procedures involve disassem...

Page 61: ...down Frequent quick acceleration and decelera tion Frequent shifting Frequently starting and stopping the en gine s Operation that fluctuates often between light and heavy cargo loads Outboard motors...

Page 62: ...h clean water after each 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...

Page 63: ...rim and tilt unit Operation noise and oil leakage Inspection Propeller propeller nut cotter pin Inspection or replace ment as necessary PCV Pressure Con trol Valve Inspection or replace ment as necess...

Page 64: ...coupler con nections Inspection or replace ment as necessary Yamaha Meter gauge Inspection Fuel tank Yamaha por table tank Inspection and clean ing as necessary Item Actions Every 1000 hours Exhaust...

Page 65: ...Do not attempt to diagnose any problems yourself Instead take the outboard motor to a Yamaha dealer You should periodically re move and inspect the spark plug because heat and deposits will cause the...

Page 66: ...er EMU29044 Inspecting idle 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...

Page 67: ...seriously injured if the en gine accidentally starts when you are near the propeller Before inspecting re moving or installing the propeller place the shift control in neutral turn the main switch to...

Page 68: ...ne grease or a corro sion resistant grease to the propeller shaft 2 Install the spacer if equipped thrust washer washer if equipped and pro peller on the propeller shaft NOTICE Make sure to install th...

Page 69: ...les on the magnetic gear oil drain screw this can indicate lower unit problem Con sult your Yamaha dealer ECM01900 TIP If a magnetic gear oil drain screw is equipped remove all metal particles from th...

Page 70: ...fire or ex plosion hazard Dispose of old gasoline according to lo cal regulations 1 Empty the fuel tank into an approved container 2 Pour a small amount of suitable solvent into the tank Install the c...

Page 71: ...many batteries but you should always refer to the battery manufacturer s instructions NOTICE ECM01920 A poorly maintained battery will quickly deteriorate 1 Check the electrolyte level 2 Check the ba...

Page 72: ...he battery will not start the engine EMU29371 Disconnecting the battery 1 Turn off the battery cut off switch if equipped and main switch NOTICE If they are left on the electrical system can be damage...

Page 73: ...ced by a Yamaha dealer Q Is shift lever in gear A Shift 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...

Page 74: ...Yamaha dealer Q Is air vent screw on fuel tank closed A 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 c...

Page 75: ...ct spark plug s Clean or replace with recommended type Q Are weeds or other foreign matter tangled on gear housing A Remove foreign matter and clean lower unit Q Is fuel system obstructed A Check for...

Page 76: ...ler EMU29433 Temporary action in emergency EMU29441 Impact damage WARNING EWM00870 The outboard motor can be seriously damaged by a collision while operating or trailering Damage could make the out bo...

Page 77: ...trol lever is in neutral Otherwise the boat could unexpectedly start to move which could result in an accident Attach the engine shut off cord to a se cure place on your clothing or your arm or leg wh...

Page 78: ...Prepare the engine for starting For fur ther information see page 38 Be sure the engine is in neutral and that the clip is attached to the engine shut off switch The main switch must be on if equippe...

Page 79: ...just long enough to return to port for repairs EMU29706 Cold engine fails to start If the engine fails to start when it is cold use the following procedure WARNING EWM00410 When starting or operating...

Page 80: ...econds If the starter motor is turned continu ously for more than 5 seconds the battery will be quickly discharged thus making it impossible to start the engine The starter can also be dam aged If the...

Page 81: ...ery 75 ately take it to a Yamaha dealer Otherwise some corrosion may begin almost immedi ately NOTICE Do not attempt to run the outboard motor until it has been com pletely inspected ECM00401 6H1 9 2A...

Page 82: ...YAMAHA MOTOR CO LTD Printed on recycled paper Printed in Japan March 2010 0 1 1 6H1 9 2A 1E0 book 1...

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