Yamaha 15A Page 8 Owner'S Manual Download | Manualshive

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1-1

E

EMU00005

IDENTIFICATION NUMBERS

RECORD

EMU00007

OUTBOARD MOTOR SERIAL
NUMBER

The outboard motor serial number is
stamped on the label attached to the port
side of the clamp-bracket.
Record your outboard motor serial num-
ber in the spaces provided to assist you in
ordering spare parts from your Yamaha
dealer or for reference in case your out-
board motor is stolen.

1

Outboard motor serial number

E

1

401012

YAMAHA MOTOR CO., LTD.
MADE IN JAPAN
PAYS D'ORIGINE JAPON

63V-9-14-1 4/25/01 2:01 PM Page 6

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Summary of Contents for 15A

Page 1: ...9 9A 15A LIT 18626 04 53 9 9A 15A OWNER S MANUAL U S A Edition...

Page 2: ......

Page 3: ...pecial 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 advance ments in product...

Page 4: ......

Page 5: ...GENERAL INFORMATION BASIC COMPONENTS OPERATION MAINTENANCE TROUBLE RECOVERY INDEX CONTENTS READ THIS OWNER S MANUAL CAREFULLY BEFORE OPERATING YOUR OUTBOARD MOTOR E 1 2 3 4 5 6...

Page 6: ......

Page 7: ...D 1 1 Outboard motor serial number 1 1 EMISSION CONTROL INFORMATION 1 2 SAFETY INFORMATION 1 3 IMPORTANT LABELS 1 5 Warning labels 1 5 BASIC BOATING RULES 1 6 FUELING INSTRUCTIONS 1 10 Gasoline petrol...

Page 8: ...label attached to the port side of the clamp bracket Record your outboard motor serial num ber in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for reference in...

Page 9: ...of Emission control certificate This label is attached to the bottom cowl ing 1 Emission control information label Existing Technology N A Manufactured date label This label is attached to the clamp b...

Page 10: ...carefully for swimmers during the engine operation 8 Stay away from swimming areas 8 When a swimmer is in the water near you shift into neutral and shut off the engine EMU00917 SAFETY INFORMATION 8 Be...

Page 11: ...ted States Coast Guard Consumer Affairs Staff G BC Office of Boating Public and Consumer Affairs U S Coast Guard Headquarters Washington D C 20593 0001 Boating Safety Hotline 1 800 368 5647 National M...

Page 12: ...will not start unless the shift control is in neutral position 6E0 83627 41 WARNING Be sure shift control is in neutral before starting engine except 2HP Do not touch or remove electrical parts when s...

Page 13: ...ccur unless both vessels try to avoid each other If that is the case both vessels become Give Way vessels EMB40010 BASIC BOATING RULES Rules of the road Just as there are rules which apply when you ar...

Page 14: ...You must stay out RULES WHEN ENCOUNTERING VESSELS There are three main situations which you may encounter with other vessels which could lead to a collision unless the Steer ing Rules are followed Me...

Page 15: ...markers are white with black letters and orange boarders They signify speed zones restricted areas danger areas and general information of its way until you are clear of it Like wise if another vesse...

Page 16: ...oward head of naviga MAIN CHANNEL BUOYS 1 3 5 7 tion Leave to port left proceeding upstream LIGHTED BUOY Port Hand White Light Green Light old new old new old new LIGHTED BUOY Starboard Hand 2 4 6 Eve...

Page 17: ...ely with dry rags 8 Do not overfill the fuel tank 8 Tighten the filler cap securely after refueling 8 If you should swallow some gasoline inhale a lot of gasoline vapor or get gasoline in your eyes ge...

Page 18: ...ethanol can be used if ethanol content does not exceed 10 and the fuel meets minimum octane ratings Gasohol containing methanol is not recommended by Yama ha because it can cause fuel system dam age o...

Page 19: ...verse effect on the engine Yamaha outboard motors are fitted with propellers chosen to perform well over a range of applications but there may be uses where a propeller with a different pitch would be...

Page 20: ...s reduce the throttle setting to maintain the rpm in the proper operating range 1 Propeller diameter in inches 2 Propeller pitch in inches 3 Type of propeller propeller mark Refer to the section CHECK...

Page 21: ...shift lever 2 2 Engine stop button 2 3 Engine stop lanyard switch 2 3 Throttle control grip 2 4 Choke knob 2 4 Recoil starter handle 2 4 Tiller handle 2 5 Steering friction adjustment 2 6 Trim angle a...

Page 22: ...ndle 6 Gear shift lever 7 Throttle control grip 8 Throttle friction adjustment knob 9 Engine stop button Engine stop lanyard switch 0 Clamp screw q Carrying handle w Cooling water inlet e Anti cavitat...

Page 23: ...This meter is on the fuel tank cap It shows current fuel quantity in the fuel tank approximately Fuel tank cap This cap is for filling fuel To remove it turn it counterclockwise Air Vent screw This sc...

Page 24: ...the lock plate stopping igni tion to the engine This will prevent the boat from running away under power w 8 Attach the lanyard to a secure place on your clothing your arm or leg while operating 8 Do...

Page 25: ...on Choose the setting that offers the best performance and fuel economy for the desired operation 1 Throttle indicator EMC42310 CHOKE KNOB Pulling out this knob supplies a rich mix ture required to st...

Page 26: ...able for opera tor preference An adjusting screw bolt is located within the tiller handle To increase the resistance Turn the adjusting screw bolt clockwise To decrease the resistance Turn the adjusti...

Page 27: ...ten the friction screw bolt If there is too much resis tance it may be difficult to steer which could result in an accident EMU01297 TRIM ANGLE ADJUSTING ROD The position of the trim angle adjusting r...

Page 28: ...the tilt lock lever in the lock posi tion while using the carrying handle Oth erwise the lower casing may fall to the grand while carrying the motor 1 Clamp bracket bar E q 2 7 403013 EMD48010 TILT S...

Page 29: ...xing 3 6 PRE OPERATION CHECKS 3 7 BREAKING IN RUNNING IN ENGINE 3 8 STARTING ENGINE 3 10 WARMING UP ENGINE 3 13 SHIFTING 3 14 Forward 3 14 Reverse 3 15 STOPPING ENGINE 3 16 TRIMMING OUTBOARD MOTOR 3 1...

Page 30: ...ne water spray while the boat is cruising Severe engine damage may result if the motor is operat ed continuously in the presence of air borne water spray NOTE During water testing check the buoyancy o...

Page 31: ...the specific boat motor com bination 8 Your dealer or other person experi enced in proper rigging should mount the motor If you are mounting the motor yourself you should be trained by an experienced...

Page 32: ...ight is too high cavitation tends to occur thus reducing the propulsion and if the pro peller tips cut the air the engine speed will rise abnormally and cause the engine to overheat If the mounting he...

Page 33: ...Loose clamp screws could allow the motor to move on the transom or fall off the transom This could cause loss of control and serious injury Make sure the transom screws are tightened securely Occasion...

Page 34: ...itives such as aromatics and oxy genates has increased These additives are important for the engines in passen ger cars but they can have detrimental effects in marine engines because of increased dep...

Page 35: ...ng ratio is incorrect the following problems could occur Low oil ratio Lack of oil could cause major engine trouble such as piston seizure High oil ratio Too much oil could cause fouled spark plugs sm...

Page 36: ...40012 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 EMF411...

Page 37: ...ine and engine mounting 8 Look for loose or damaged fasteners 8 Check the propeller for damage cC Do not start the engine out of water Overheating and serious engine damage can occur EMF50012 BREAKING...

Page 38: ...ne then reduce engine speed to three quarter throttle approximately 4 000 r min Vary engine speed occasional ly Run at full throttle for one minute then allow about 10 minutes of opera tion at three q...

Page 39: ...ust gases which contain carbon monoxide a col orless odorless gas which may cause brain damage or death when inhaled Symptoms include nausea dizziness and drowsiness Keep cockpit and cabin areas well...

Page 40: ...e engine stop switch w 8 Attach the engine stop switch lanyard to a secure place on your clothing your arm or leg while operating 8 Do not attach the lanyard to clothing that could tear loose Do not r...

Page 41: ...he choke knob to the original position NOTE 8 It is not necessary to use the choke when restarting a hot engine 8 If the choke knob is left pulled out the engine will stall 8 Pull the starter handle s...

Page 42: ...flow of water from the pilot hole shows that the water pump is pumping water through the cooling pas sages If water is not flowing out of the pilot hole at all times while the engine is running do no...

Page 43: ...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 EMG22110 FORWARD 1 Place the throttle control grip in th...

Page 44: ...e unstable which could result in loss of control and an accident 1 Place the throttle control grip in the fully closed position for Tiller control model 2 Check that the tilt lock lever for Man ual ti...

Page 45: ...Push and hold the engine stop button until the engine comes to a complete stop 2 After stopping the engine disconnect the fuel line from the motor 3 Tighten the air vent screw on the fuel tank cap aft...

Page 46: ...peller Correct trim is also affected by variables such as the load in the boat sea conditions and running speed w Excessive trim for the operating condi tions either trim up or trim down can cause boa...

Page 47: ...nsom Make test runs with the trim set to differ ent angles to find the position that works best for your boat and operating condi tions w 8 Stop the engine before adjusting the trim angle 8 Use care t...

Page 48: ...s more air drag Excessive trim up can cause the propeller to ventilate which reduces performance further When trimmed out too much a boat may porpoise hop in the water which could throw the operator a...

Page 49: ...does not work while the shallow water cruising system is being used Hitting an underwater obstacle could cause the engine to lift out of the water resulting in loss of control 8 Use extra care when op...

Page 50: ...ine in a partially raised position NOTE If the engine is tilted up completely the tilt lock lever automatically locks The shallow water lever is no longer effective 4 When lowering the engine push the...

Page 51: ...m over heating can result 8 Do not tilt up the engine by pushing the steering handle as this could break the handle 8 Keep the power unit higher than the propeller at all times Otherwise water can run...

Page 52: ...position EMU00300 PROCEDURE FOR TILTING DOWN 1 Place the tilt lock lever in the lock position 2 Slightly tilt up the engine until the tilt support bar is released automatically 3 Tilt down the engine...

Page 53: ...esh water to prevent them from becoming clogged up with salt deposits NOTE Refer to cooling system flushing instruc tions in TRANSPORTING AND STORING OUTBOARD MOTOR CRUISING IN TURBID WATER It is stro...

Page 54: ...E MEMO...

Page 55: ...art 4 8 Cleaning and adjusting spark plug 4 9 Checking fuel system 4 11 Inspecting fuel filter 4 12 Adjusting idling speed 4 13 Checking wiring and connectors 4 14 Exhaust leakage 4 14 Water leakage 4...

Page 56: ...tarting system 8Battery capacity V AH kc Minimum cold crank peformance Amps at 17 8 C 0 F Minimum reserve capacity minutes at 26 7 C 80 F 8Alternator output V A W 8Starting carburetion system 2 stroke...

Page 57: ...1 97 C D I B7HS 10 0 9 1 0 0 035 0 039 Tiller control Manual start 12 80 Choke valve start system Forward Neutral Reverse 2 08 27 13 Manual J Regular unleaded gasoline P O N minimum 86 25 6 6 5 5 YAM...

Page 58: ...onal support device to secure it in the up position w 8 Never get under the lower unit while it is tilted even if a motor support bar is used Severe injury could occur if the outboard accidentally fal...

Page 59: ...and stabilizer Part No LUB FUELC 12 00 to each gallon of fuel NOTE The use of Yamaha Fuel Conditioner and Stabilizer eliminates the need to drain the fuel system Consult your Yamaha dealer or other qu...

Page 60: ...he fresh water level is below the level of the anti cavitation plate or if the water supply is insufficient engine seizure may occur a 605024 q w 1 Remove the engine top cowling 2 Install the outboard...

Page 61: ...the lower unit oil Refer to the Periodic Maintenance section Changing gear oil Inspect the oil for the presence of water which indi cates a leaky seal Seal replacement should be performed by an autho...

Page 62: ...ha dealer for owners who have the mechanical skills tools and other equipment necessary to perform maintenance not covered by this owner s manual EMK33011 REPLACEMENT PARTS If replacement parts are ne...

Page 63: ...nts Greasing 7 4 15 Gear oil Change 7 7 4 18 Fuel system Inspection 7 4 11 Fuel filter Cleaning Inspection 7 7 7 4 12 Fuel tank 1 Cleaning 7 4 19 Idling speed Adjustment 7 4 13 Anode Inspection Replac...

Page 64: ...r leak or carburetion problem in that cylinder Do not attempt to diagnose any problems yourself Instead take the outboard motor to a Yamaha dealer You should periodically remove and inspect the spark...

Page 65: ...hen you are fitting a spark plug a good esti mate of the correct torque is 1 4 to 1 2 a turn past finger tight Have the spark plug adjusted to the correct torque as soon as possible with a torque wren...

Page 66: ...found it should be repaired immediately by Yama ha dealer or other qualified mechanic Checking points 8 Fuel system parts leakage 8 Fuel hose joint leakage 8 Fuel hose cracks or other damage 8 Fuel co...

Page 67: ...filter cup and hoses in place Improper assembly or replacement can result in a fuel leak which could result in a fire or explosion hazard EMU00978 1 Remove the nut holding the fuel filter assembly if...

Page 68: ...up fully in Neutral until it is running smoothly If the outboard is mounted on a boat be sure the boat is tightly moored 2 Adjust the throttle stop screw 1 to set the idling speed to specification se...

Page 69: ...t each connector is engaged securely EXHAUST LEAKAGE Start the engine and check that no exhaust leaks from the joints between the exhaust cover cylinder head and crank case WATER LEAKAGE Start the eng...

Page 70: ...E 4 15 EMU00366 GREASING Yamaha marine grease Water resistant grease 103011...

Page 71: ...anyard from the engine stop switch Turn off the battery cut off switch if your boat has one 8 Do not use your hand to hold the pro peller when loosening or tightening the propeller nut Put a wood bloc...

Page 72: ...e installing propeller otherwise lower case and propeller boss may be damaged 3 Tighten the propeller nut to the speci fied torque 4 Align the propeller nut with the pro peller shaft hole Insert a new...

Page 73: ...oard falls on you 2 Place a suitable container under the gearcase 3 Remove the oil drain plug NOTE The oil drain plug is magnetic Remove all metal particles from the plug before rein stalling it 4 Rem...

Page 74: ...e and explosive 8 If you have any question about properly doing this procedure consult your Yamaha dealer 8 Keep away from sparks cigarettes flames or other sources of ignition when cleaning the fuel...

Page 75: ...lean the filter located on the end of the suction pipe in a suitable clean ing solvent Allow the filter to dry 3 Replace the gasket with a new one Reinstall the fuel meter assembly and tighten the scr...

Page 76: ...ANSPORTING AND STORING OUTBOARD MOTOR Checking Painted Surface of Motor Check the motor for scratches nicks or flaking paint Areas with damaged paint are more likely to corrode If necessary clean and...

Page 77: ...EMN00010 Chapter 5 TROUBLE RECOVERY TROUBLESHOOTING 5 1 TEMPORARY ACTION IN EMERGENCY 5 5 Impact damege 5 5 Starter will not operate 5 6 Treatment of submerged motor 5 8 E 1 2 3 4 5 6...

Page 78: ...ure incorrect 5 Fuel pump malfunctions 6 Spark plug s fouled or incorrect type 7 Spark plug cap s fitted incorrectly 8 Poor connections or damaged ignition wiring 9 Ignition parts faulty 10 Engine sto...

Page 79: ...on incorrect 17 Throttle valve adjustment incorrect 1 Inspect spark plug s Clean or replace with recommended type 2 Check for pinched or kinked fuel line or other obstructions in fuel system 3 Fill ta...

Page 80: ...propeller repaired or replaced 2 Install correct propeller to operate outboard at its recommended speed r min range 3 Adjust trim angle to achieve most efficient operation 4 Have motor adjusted to pro...

Page 81: ...er shaft damaged 3 Weeds or other foreign matter tangled on propeller 4 Motor mounting bolt loose 5 Steering pivot loose or damaged 1 Have propeller repaired or replaced 2 Have serviced by a Yamaha de...

Page 82: ...otor unsafe to operate If the outboard motor hits any object in the water follow the procedure below 1 Stop the engine immediately 2 Inspect control system and all compo nents for damage Also inspect...

Page 83: ...pectedly start to move which could result in an accident 8 Be sure no one is standing behind you when pulling the starter rope It could whip behind you and injure someone 8 An unguarded rotating flywh...

Page 84: ...12 407021 301012 3 Prepare the engine for starting See STARTING ENGINE for procedures Be sure the engine is in Neutral and that the lanyard is attached to the engine stop switch On the electric start...

Page 85: ...Thoroughly wash away mud salt seaweed etc with fresh water 2 Remove the spark plugs and face the spark plug holes downward to allow any water mud or contaminants to drain 3 Drain the fuel from the car...

Page 86: ...E MEMO...

Page 87: ...EMP00010 Chapter 6 INDEX INDEX 6 1 E 1 2 3 4 5 6...

Page 88: ...1 Engine stop button 2 3 Engine stop lanyard switch 2 3 Exhaust leakage 4 14 F Filling fuel 3 5 Filling fuel and engine oil 3 5 Filling fuel tank 4 4 Flushing cooling system and fogging engine 4 5 For...

Page 89: ...grip 2 4 Throttle friction adjustment 2 5 Throttle indicator 2 4 Tiller handle 2 5 Tilt lock mechanism 2 6 Tilt support bar 2 7 Tilting up down 3 22 Top cowling lock lever 2 7 Trailering outboard mot...

Page 90: ...istration records are checked 2 Read the Limited Warranty statement which follows these instructions This warranty applies to Yamaha outboard motors sold in the United States whether purchased sepa ra...

Page 91: ...lable in one country may not be sold or serviced in the other 6 If you need any additional information about your Yamaha or warranty coverage which your dealer cannot provide please contact us directl...

Page 92: ...or purchased and registered for use in the United States only excluding its territo ries For warranty provisions outside the United States contact the particular country s local Yamaha distributor WAR...

Page 93: ...SO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE YAMAHA MOTOR CORPORATION U S A Post Office Box 6555 Cypress California 90630 WARRANTY QUESTIONS AND ANSWERS Q What costs are my responsibility durin...

Page 94: ...tion such as names addresses model engine serial number dates and receipts CHANGE OF ADDRESS The federal government requires each manufacturer of a motor vehicle to maintain a complete up to date list...

Page 95: ...l receive service If you need more information about your warranty coverage or your Yamaha outside the U S A or Canada please contact an autho rized Yamaha dealer in your country 2 Keep a copy of your...

Page 96: ......

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Page 98: ...9 9A 15A Printed in Japan March 2001 0 5 1 63V 28199 14 9 9FMH 15FMH E Printed on recycled paper...

Page 99: ...9 9A 15A paper OWNER S MANUAL...

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