Yamaha 150 Owner'S Manual Download Page 65

Page: 65 / 82

Trouble Recovery

Q. Is fuel system obstructed?
A. Check for pinched or kinked fuel line or
other obstructions in fuel system.

Q. Is fuel contaminated or stale?
A. Fill tank with clean, fresh fuel.

Q. Is fuel filter clogged?
A. Clean or replace filter.

Q. Have ignition parts failed?
A. Have serviced by a Yamaha dealer.

Q. Has warning system activated?
A. Find and correct cause of warning.

Q. Is spark plug gap incorrect?
A. Inspect and adjust as specified.

Q. Is ignition wiring damaged or poorly con-
nected?
A. Check wires for wear or breaks. Tighten
all loose connections. Replace worn or bro-
ken wires.

Q. Is specified engine oil not being used?
A. Check and replace oil as specified.

Q. Is thermostat faulty or clogged?
A. Have serviced by a Yamaha dealer.

Q. Are carburetor adjustments incorrect?
A. Have serviced by a Yamaha dealer.

Q. Is fuel pump damaged?
A. Have serviced by a 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 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 sounds or indicator
lights.

Q. Is cooling system clogged?
A. Check water intake for restriction.

Q. Is engine oil level low?
A. Fill oil tank with specified engine oil.

Q. Is heat range of spark plug incorrect?
A. Inspect spark plug and replace it with rec-
ommended type.

Q. Is specified engine oil not being used?
A. Check and replace oil with specified type.

Q. Is engine oil contaminated or deteriorat-
ed?
A. Replace oil with fresh, specified type.

Q. Is oil filter clogged?
A. Have serviced by a Yamaha dealer.

Q. Has oil feed/injection pump malfunc-
tioned?

Summary of Contents for 150

Page 1: ...150 OWNER S MANUAL 64C 28199 1C U S A Edition LIT 18626 06 98 64C 9 1C Hyoshi 06 2 9 3 56 PM ページ 1 ...

Page 2: ...EMU25060 ZMU01690 Read this owner s manual carefully before operating your outboard motor 64C 9 1C Hyoshi 06 2 9 3 56 PM ページ 2 ...

Page 3: ...ut board motor CAUTION ECM00700 A CAUTION indicates special precautions that 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 prod uct information available at the time of print ing there may be minor ...

Page 4: ...t support lever for power trim and tilt or hydro tilt model 16 Top cowling lock lever pull up type 16 Flushing device 16 Tachometer 17 Digital tachometer 17 Oil level indicators three indicators 17 Oil level indicator digital type 18 Overheat warning indicator digital type 18 Speedometer digital type 18 Trim meter 19 Trim meter digital type 19 Hour meter digital type 19 Trip meter 20 Clock 20 Fuel...

Page 5: ... filter 50 Cleaning fuel filter 50 Inspecting idling speed 51 Checking water in engine oil tank 51 Checking wiring and connectors 51 Exhaust leakage 51 Water leakage 52 Checking power trim and tilt system 52 Checking propeller 53 Removing the propeller 54 Installing the Propeller 54 Changing gear oil 54 Inspecting and replacing anode s 55 Checking battery for electric start models 56 Connecting th...

Page 6: ...h is equipped with the mo tor the key identification number 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 f...

Page 7: ...ption Consult your dealer for correct use Never operate after drinking alcohol or tak ing drugs About 50 of all boating fatali ties involve intoxication Have an approved personal flotation de vice PFD on board for every occupant It is a good idea to 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 ha...

Page 8: ...ch for obstacles and other traffic Always watch carefully for swimmers dur ing the engine operation Stay away from swimming areas When a swimmer is in the water near you shift into neutral and shut off the engine Do not illegally discard empty containers used to replace or replenish oil For the correct processing of empty containers consult the dealer where you purchased the oil When replacing oil...

Page 9: ...ternational Rules of the Road The rules presented here in your Owner s Manual are condensed and have been pro vided for your convenience only Consult your local U S Coast Guard Auxiliary or De partment of Motor Vehicles for a complete set of rules governing the waters in which you will be using your boat EMU25510 Steering and sailing rules and sound signals Whenever two vessels on the water meet o...

Page 10: ...ssel In the following illustration your boat is in the center You should give the right of way to any vessels shown in white area you are the Give Way vessel Any vessels in the shad ed 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...

Page 11: ... not considered fishing vessels Fishing vessels have the right of way regardless of position Fishing vessels cannot however impede the passage of other vessels 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 driv en vessel has the right of wa...

Page 12: ...ry or advisory information These markers are white with black letters and orange boarders They signify speed zones restrict ed areas danger areas and general infor mation Remember markings may vary by geo graphic location Always consult local boat ing authorities before driving your boat in unfamiliar waters ...

Page 13: ... FLAMMABLE AND EXPLOSIVE Do not smoke when refueling and keep away from sparks flames or other sources of ignition Stop engine before refueling Refuel in a well ventilated area Refuel portable fuel tanks off the boat Take care not to spill gasoline If gaso line spills wipe it up immediately with ZMU01708 ...

Page 14: ...minimum octane ratings Yamaha does not recommended gasohol containing methanol because it can cause fuel system damage or engine performance problems EMU25660 Engine oil Use Yamalube 2 M outboard oil If Ya malube 2 M is not available use only anoth er outboard motor manufacturer s factory brand oil with TC W3 rating CAUTION ECM01290 Serious engine damage can result from the use of lower quality oi...

Page 15: ...s stock a range of propellers and can advise you and install a propeller on your outboard that is best suited to your ap plication NOTE Select a propeller which will allow the engine to reach the middle or upper half of the oper ating range at full throttle with the maximum boat load If operating conditions such as light boat loads then allow the engine r min to rise above the maximum recommended ...

Page 16: ...nted on the remote control box 1 4 5 6 7 8 9 10 12 13 11 15 16 19 17 18 3 2 14 10 ZMU04662 1 Power trim and tilt switch 2 Flushing device 3 Tilt support lever 4 Anti cavitation plate 5 Trim tab anode 6 Propeller 7 Cooling water inlet 8 Anode 9 Clamp bracket 10 Top cowling lock lever 11 Choke knob 12 Top cowling 13 Cooling water pilot hole 14 Remote control box side mount type 15 Digital tachometer...

Page 17: ...eutral throttle lever To open the throttle without shifting into ei ther forward or reverse put the remote con trol lever in the neutral position and lift the neutral throttle lever NOTE The neutral throttle lever will operate only when the remote control lever is in neutral The remote control lever will operate only when the neutral throttle lever is in the closed position 1 Power trim and tilt s...

Page 18: ...uch resistance it could be difficult to move the remote control lever or throttle grip which could result in an accident When constant speed is desired tighten the adjuster to maintain the desired throttle set ting EMU25990 Engine stop lanyard switch The lock plate must be attached to the en gine stop switch for the engine to run The lanyard should be attached to a secure place on the operator s c...

Page 19: ...on the electrical circuits are off and the key can be removed on With the main switch in the on posi tion the electrical circuits are on and the key cannot be removed start With the main switch in the start po sition the starter motor turns to start the en gine When the key is released it returns automatically to the on position EMU26141 Power trim and tilt switch on remote control or tiller handl...

Page 20: ...er boat or an obsta cle NOTE For instructions on using the power trim and tilt switch see page 36 EMU26241 Trim tab with anode The trim tab should be adjusted so that the steering control can be turned to either the right or left by applying the same amount of force WARNING EWM00840 An improperly adjusted trim tab could cause difficult steering Always test run after the trim tab has been installed...

Page 21: ...r 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 by moving the lever s down ward EMU26460 Flushing device This device is used to clean the cooling wa ter passages of the motor using a garden hose and tap water NOTE For details on usage see page 43 1 Trim tab 2 Bolt 3 Cap 1 Tilt support lever 1 2 3 ZMU02525 A B A B Z...

Page 22: ...ate when the en gine is equipped with the appropriate func tions EMU26540 Oil level indicators three indicators The indicators on the gauge show the status of the oil level For details on how to read the indicators see page 29 CAUTION ECM00030 Do not operate the engine without oil Se rious engine damage will occur 1 Flushing device 1 Tachometer 2 Oil level indicator 1 ZMU04011 ZMU04577 1 2 1 Tacho...

Page 23: ...will start to blink For fur ther information on reading the indicator see page 21 CAUTION ECM00050 Do not continue to run the engine if the overheat warning indicator is on Serious engine damage will occur EMU26600 Speedometer digital type This gauge shows the boat speed NOTE After the main switch is first turned on all segments of the display come on as a test After a few seconds the gauge will c...

Page 24: ... trim and tilt switch EMU26620 Trim meter digital type This meter shows the trim angle of your out board motor NOTE Memorize the trim angles that work best for your boat under different conditions Adjust 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 EMU26650 Ho...

Page 25: ...ce is kept in memory by bat tery power The stored data will be lost if the battery is disconnected EMU26700 Clock Press the mode button repeatedly until the indicator on the face of the gauge points to time To set the clock be sure the gauge is in the time mode Press the set button the hour display will begin blinking Press the mode button until the desired hour is displayed Press the set button a...

Page 26: ...f battery voltage drops the display will auto matically turn on and begin to blink CAUTION ECM00870 Get back to the port soon if a warning de vice has activated For charging the bat tery consult your Yamaha dealer EMU26801 Warning system CAUTION ECM00090 Do not continue to operate the engine if a warning device has activated Consult your Yamaha dealer if the problem can not be located and correcte...

Page 27: ...nlet for clogging EMU26846 Oil level warning and oil filter clogging warning Oil injection models This engine has an oil level warning system If the oil level falls below the lower limit the warning system will activate Activation of warning device Engine speed will automatically decrease to about 2000 r min The oil level warning indicator will light or blink ZMU01757 ZMU04766 ZMU02630 ZMU03942 ...

Page 28: ...as been activated stop the engine and check for the cause NOTE The warning for oil filter clogging is similar to the warnings for low oil level and overheat ing To make troubleshooting easier check for engine overheating first then oil level and finally oil filter clogging ZMU04586 ZMU03025 1 Oil filter 1 Oil filter 1 ZMU03906 1 ZMU01952 ...

Page 29: ...n is intended as reference only It is not possible to provide complete in structions for every possible boat and motor combination Proper mounting depends in part on experience and the specific boat and motor combination WARNING EWM00830 Improper mounting of the outboard mo tor could result in hazardous conditions such as poor handling loss of control or fire hazards Observe the following For perm...

Page 30: ...r see page 34 EMU27020 Breaking in engine Your new engine requires a period of break in to allow mating surfaces of moving parts to wear in evenly Correct break in will help en sure proper performance and longer engine life CAUTION ECM00140 Failure to follow the break in procedure could result in reduced engine life or even severe engine damage Premix fuel must be used during break in in addition ...

Page 31: ...aks or gaso line fumes Check fuel line connections to be sure they are tight if equipped Yamaha fuel tank or boat tank Be sure the fuel tank is positioned on a se cure flat surface and that the fuel line is not twisted or flattened or likely to contact sharp objects if equipped Yamaha fuel tank or boat tank EMU27120 Oil Check to be sure you have plenty of oil for your trip EMU27130 Controls Check ...

Page 32: ...ged the amount of ad ditives such as aromatics and oxygenates has increased These additives are impor tant for the engines in passenger cars but they can have detrimental effects in marine engines because of increased deposits in the combustion chamber When enough de posits collect piston rings begin sticking Performance drops and engine wear in creases dramatically While many additives available ...

Page 33: ...l 0 8 Imp gal can be added 2 Turn on the main switch The Yamaha oil injection system will automatically feed oil from the remote oil tank to the engine oil tank 3 Operate the engine normally CAUTION ECM00570 When the engine is operated for the first time or stored for a period of time a min imum of 5 liters 5 3 US qt 4 4 Imp qt of oil should be kept in the remote oil tank Otherwise the oil feed pu...

Page 34: ...e than 300 cm3 0 32 US qt 0 26 Imp qt 1500 cm3 1 6 US qt 1 31 Imp qt or less Add oil see page 27 Red Yellow Green 300 cm3 0 32 US qt 0 26 Imp qt or less more than 1500 cm3 1 6 US qt 1 31 Imp qt Check oil filter for clog ging Check battery cable connection Buzzer will sound Engine speed is auto matically reduced to about 2000 r min Red 300 cm3 0 32 US qt 0 26 Imp qt or less 1500 cm3 1 6 US qt 1 31 ...

Page 35: ...nd drowsiness Keep cockpit and cab in areas well ventilated Avoid blocking exhaust outlets 1 If there is an air vent screw on the fuel tank cap loosen it 2 or 3 turns 2 If there is a fuel joint or a fuel cock on the boat firmly connect the fuel line to the joint or open the fuel cock 3 Squeeze the primer pump with the ar row pointing up until you feel it become firm EMU27490 Starting engine EMU276...

Page 36: ...ly depending on engine temperature After the engine starts return the throttle to the original position NOTE On remote controls equipped with a neu tral throttle lever a good starting point is to lift the lever just until you feel resistance then lift slightly more The neutral throttle lever or free accelera tor can only be used when the remote con trol lever is in neutral 5 Press in and hold the ...

Page 37: ...ually re turn the choke knob to its home position as the engine warms up 2 Check for a steady flow of water from the cooling water pilot hole CAUTION ECM00511 A continuous flow of water from the cool ing water pilot hole shows that the water pump is pumping water through the cool ing passages If water is not flowing out of the hole at all times while the engine is running overheating and serious d...

Page 38: ...he throttle more than half Oth erwise the boat could become unstable which could result in loss of control and an accident Tiller handle models 1 Place the throttle grip in the fully closed position 2 Move the gear shift lever quickly and firmly from neutral to reverse Remote control models 1 Pull up the neutral interlock trigger if equipped and move the remote control lever quickly and firmly fro...

Page 39: ...rrect trim angle will help im prove performance and fuel economy while reducing strain on the engine Correct trim angle depends upon the combination of boat engine and propeller Correct trim is also affected by variables such as the load in the boat sea conditions and running speed WARNING EWM00740 Excessive trim for the operating condi tions either trim up or trim down can cause boat instability ...

Page 40: ...n that works best for your boat and operating conditions EMU27911 Adjusting boat trim When the boat is on plane a bow up attitude results in less drag greater stability and effi ciency This is generally when the keel line of the boat is up about 3 to 5 degrees With the bow up the boat may have a greater tenden cy to steer to one side or the other Compen sate for this as you steer The trim tab can ...

Page 41: ...structions and also to reduce salt corrosion WARNING EWM00220 Be sure all people are clear of the out board motor when tilting up and down also be careful not to pinch any body parts between the drive unit and engine bracket WARNING EWM00250 Leaking fuel is a fire hazard If there is a fuel joint on the outboard motor discon nect the fuel line or close the fuel cock if the engine will be tilted for...

Page 42: ... loses pres sure 5 Models equipped with trim rods Once the outboard motor is supported with the tilt support lever 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 complete ly during mooring This protects the rods from marine growth and corrosion which could damage the power trim and tilt mechanism EMU28054 Proce...

Page 43: ...ing up for shallow water cruising Return the outboard motor to its normal position as soon as the boat is back in deeper water CAUTION ECM00260 Do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of the water when set ting up for and cruising in shallow water Otherwise severe damage from overheat ing can result EMU28185 Procedure for power trim ...

Page 44: ...r After operating in salt water flush the cooling water passages with fresh water to prevent them from becoming clogged with salt de posits NOTE For cooling system flushing instructions see page 41 Cruising in turbid water Yamaha strongly recommends that you use the optional chromium plated water pump kit not available for some models if you use the outboard motor in turbid or muddy water conditio...

Page 45: ...eed in neutral 700 25 r min Engine Type 2 stroke V Displacement 2596 0 cm3 158 41 cu in Bore stroke 90 0 68 0 mm 3 54 2 68 in Ignition system CDI micro computer Spark plug with resistor NGK BR7HS 10 Spark plug gap 0 9 1 0 mm 0 035 0 039 in Control system Remote control Starting system Electric Starting carburetion system Choke valve Min cold cranking amps CCA SAE 380 0 A Min marine cranking amps M...

Page 46: ... trail ered in the normal running position use an additional 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 po sition using a motor support device such as a transom saver bar Consult your Yamaha dealer for further de...

Page 47: ... to rust Perform the flush ing and fogging at the same time WARNING EWM00090 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 6 Run the engine at a fast idle for 10 15 minutes in neutral position while supply ing fresh water 7 Just prior to turning off the engine quick l...

Page 48: ...ies of water or milk followed by milk of magnesia beaten egg or vegetable oil Get immediate medical attention Batteries also generate explosive hydro gen gas therefore you should always follow these preventive measures Charge batteries in a well ventilated ar ea Keep batteries away from fire sparks or open flames for example welding equipment lighted cigarettes and so on DO NOT SMOKE when charging...

Page 49: ...tom cowling fitting or let the hose hang free during normal opera tion Water will leak out of the connector instead of cooling the engine which can cause serious overheating Be sure the connector is tightened securely on the fit ting after flushing the engine NOTE When flushing the engine with the boat in the water tilting up the outboard motor un til it is completely out of the water will achieve...

Page 50: ...stablishment or individual All warranty repairs however including those to the emission control system must be performed by an authorized Yamaha marine dealership A service manual is available for purchase through your Yamaha dealer for owners who have the mechanical skills tools and other equipment necessary to perform mainte nance not covered by this owner s manual EMU28510 Replacement parts If ...

Page 51: ... dealer Item Actions Initial Every 10 hours 1 month 50 hours 3 months 100 hours 6 months 200 hours 1 year Anode s external Inspection replace ment Anode s internal Inspection replace ment Battery Inspection charging Cooling water pas sages Cleaning Cowling clamp Inspection Fuel filter can be dis assembled Inspection cleaning Fuel system Inspection Gear oil Change Greasing points Greasing Idling sp...

Page 52: ...ction replace ment Oil pump Inspection adjustment Oil tank water drain Inspection cleaning Spark plug s Cleaning adjustment replacement Item Actions Initial Every 10 hours 1 month 50 hours 3 months 100 hours 6 months 200 hours 1 year ...

Page 53: ...hen removing or installing a spark plug be careful not to damage the insulator A damaged insulator could allow external sparks which could lead to explosion or fire The spark plug is an important engine com ponent and is easy to inspect The condition of the spark plug can indicate something about the condition of the engine For exam ZMU03912 ...

Page 54: ...he 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 a turn past fin ger tight Have the spark plug adjusted to the correct torque as soon as possible with a torque wrench EMU28962 Checking fuel system WARNING EWM00060 Gasoline and its vapors are highly flam mable and explosive Keep away from sparks cigarett...

Page 55: ...el in a rag Wipe up any spilled fuel immediately The fuel filter must be reassembled carefully with the O ring filter cup and hoses in place Improper assembly or replacement could result in a fuel leak which could result in a fire or explosion hazard EMU29001 Cleaning fuel filter 1 Remove the nut holding the fuel filter as sembly if equipped 2 Unscrew the filter cup catching any spilled fuel in a ...

Page 56: ...ank or with the outboard motor in the water 1 Start the engine and allow it to warm up fully in neutral until it is running smooth ly NOTE Correct idling speed inspection is only possi ble if the engine is fully warmed up If not warmed up fully the idle speed will measure higher than normal If you have difficulty ver ifying the idle speed or the idle speed re quires adjustment consult a Yamaha dea...

Page 57: ...r trim and tilt switches on the remote control and en gine bottom cowling if equipped 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 the mo tor in the up position Operate the tilt down switch briefly so the motor is sup ported by the tilt support lever 5 Check that the tilt rod and...

Page 58: ...nd to hold the pro peller when loosening or tightening the propeller nut Put a wood block be tween the anti cavitation plate and the propeller to prevent the propeller from turning Checkpoints Check each of the propeller blades for wear erosion from cavitation or ventila tion or other damage Check the propeller shaft for damage Check the splines shear pin for wear or damage Check for fish line tan...

Page 59: ...washer and propeller on the propeller shaft 3 Install the spacer if equipped and the washer Tighten the propeller nut to the specified torque 4 Align the propeller nut with the propeller shaft hole Insert a new cotter pin in the hole and bend the cotter pin ends NOTE If the propeller nut does not align with the propeller shaft hole after tightening to the specified torque tighten the nut further t...

Page 60: ...ion and using a flexible or pressur ized filling device 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 EMU29312 Inspecting and replacing anode s Yamaha outboard mo...

Page 61: ...or milk followed by milk of magnesia beaten egg or vegetable oil Get immediate medical attention Batteries also generate explosive hydro gen gas therefore you should always follow these preventive measures Charge batteries in a well ventilated ar ea Keep batteries away from fire sparks or open flames for example welding equipment lighted cigarettes and so on DO NOT SMOKE when charging or han dling...

Page 62: ...re work ing on the battery Reversal of the battery cables will dam age the electrical parts Connect the red battery cable first when installing the battery and discon nect the black battery cable first when removing it Otherwise the electrical parts can be damaged The electrical contacts of the battery and cables must be clean and properly connected or the battery will not start the engine Connect...

Page 63: ... have it re paired by your Yamaha dealer EMU29400 Coating the boat bottom A clean hull improves boat performance The boat bottom should be kept as clean of ma rine growth as possible If necessary the boat bottom can be coated with an anti foul ing paint approved for your area to inhibit marine growth Do not use anti fouling paint which includes copper or graphite These paints can cause more rapid ...

Page 64: ...A Have serviced 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 tank with clean fresh fuel Q Is fuel filter clogged A Clean or replace filter Q Is starting procedure incorrect A See page 30 Q Has fuel pump malfunctioned A Have serviced by a Yamaha deal...

Page 65: ...p damaged A Have serviced by a 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 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 ...

Page 66: ...ed or of incorrect type A Inspect 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 pinched or kinked fuel line or other obstructions in fuel system Q Is fuel filter clogged A Clean or replace filter Q Is fuel contaminated or stale A Fill tank with clea...

Page 67: ...r EMU29432 Temporary action in emergency EMU29440 Impact damage WARNING EWM00870 The outboard motor can be seriously damaged 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 com ponents for damage Also i...

Page 68: ...gency starter rope is used to start the engine the start in gear protection device does not oper ate Make sure the remote control lever is in neutral Otherwise the boat could unexpectedly start to move which could result in an accident Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating the boat Do not attach the lanyard to clothing that coul...

Page 69: ...ca ble from the starter if equipped 3 Remove the starter flywheel cover after removing the bolt s 4 Prepare the engine for starting For fur ther information see page 30 Be sure the engine is in neutral and that the en gine stop switch lanyard lock plate is at tached to the engine stop switch The main switch must be on if equipped 5 If equipped the choke knob pull out it when the engine is cold Aft...

Page 70: ... or stopping CAUTION ECM00380 Follow this procedure only in an emer gency and just long enough to return to port for repairs EMU29741 Low oil level warning activates If the oil level is allowed to drop too low the red segment will appear on the oil level indi cator the buzzer will sound and engine speed will be limited to about 2000 r min If this happens a reserve amount of oil can be pumped from ...

Page 71: ... reserve oil capacity is 1500 cm3 1 6 US qt 1 31 Imp qt The oil feed pump will not operate if the engine is tilted up more than 35 Put the engine in the upright position not tilted before using the emergency switch EMU29760 Treatment of submerged motor If the outboard motor is submerged immedi ately take it to a Yamaha dealer Otherwise some corrosion may begin almost immedi ately If you cannot imm...

Page 72: ...carburetor fuel filter and fuel line 4 Feed fogging oil or engine oil through the carburetor s and spark plug holes while cranking with the manual starter or emergency starter rope 5 Take the outboard motor to a Yamaha dealer as soon as possible CAUTION ECM00400 Do not attempt to run the outboard motor until it has been completely inspected ZMU01910 ZMU01911 ...

Page 73: ...68 Consumer information EMU29811 Important warranty information for U S A and Canada ...

Page 74: ...Consumer information 69 ...

Page 75: ...Consumer information 70 EMU29820 YAMAHA MOTOR CORPORATION U S A OUTBOARD MOTOR TWO YEAR LIMITED WARRANTY ...

Page 76: ...Consumer information 71 ...

Page 77: ...Consumer information 72 ...

Page 78: ...Consumer information 73 EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA ...

Page 79: ...64C 9 1C Hyoshi 06 2 9 3 56 PM ページ 3 ...

Page 80: ...Printed in Japan May 2006 0 1 1 Printed on recycled paper 64C 9 1C Hyoshi 06 2 9 3 56 PM ページ 4 ...

Page 81: ... au détail OUTBOARD MOTOR MODEL AND SERIAL NUMBER From I D label on clamp bracket MODÉLE ET NO DE SÉRIE DU MOTEUR HORS BORD sur l étiquette d identification de la presse de fixation For Dealer Use Only A l usage du concessionnaire YAMAHA DEALER NUMBER NO DU CONCESSIONNAIRE YAMAHA DEALER NAME NOM DU CONCESSIONNAIRE DATE SOLD DATE DE LIVRAISON OWNER S NAME NOM DU PROPRIÉTAIRE ADDRESS ADRESSE PHONE N...

Page 82: ...PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT Warranty card 04 2 17 03 2 41 PM Page 2 ...

Search results

Summary of Contents for 150

Reviews:

Related manuals for 150

Brands by name

Popular brands

Yamaha 150, Owner'S Manual

Search results

Summary of Contents for 150

Reviews:

Related manuals for 150

Brands by name

Popular brands