Yamaha F13.5B Page 29 Owner'S Manual Download

Page: 29 / 90

Basic components

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 54.

EMU26302

Warning indicator

If the engine develops a condition which is
cause for warning, the indicator lights up. For
details on how to read the warning indicator,
see page 23.

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 corrected.

EMU26817

Overheat warning

This engine has an overheat-warning de-
vice. If the engine temperature rises too high,
the warning device will activate.

Activation of warning device

●

The engine speed will automatically de-
crease to about 2000 r/min.

●

If equipped with an overheat-warning indi-
cator, it will light or blink.

●

The buzzer will sound (if equipped on the
tiller handle, remote control box, or main
switch panel).

1. Flushing device

1. Warning indicator

ZMU05597

ZMU05530

ZMU05592

ZMU02360

Summary of Contents for F13.5B

Page 1: ...OWNER S MANUAL F13 5B F15C F20B 6AG 28199 72 E0 ...

Page 2: ...51 Read this owner s manual carefully before operating or 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 ...

Page 3: ...ost current prod uct information available at the time of print 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 mends that you use the product and perform the specified periodic inspections and main tenance by correctly following the instruc tions in...

Page 4: ...121 F13 5B F15C F20B OWNER S MANUAL 2007 by Yamaha Motor Co Ltd 1st Edition April 2007 All rights reserved Any reprinting or unauthorized use without the written permission of Yamaha Motor Co Ltd is expressly prohibited Printed in Japan ...

Page 5: ... 11 Propeller selection 11 Start in gear protection 12 Basic components 13 Main components 13 Fuel tank 13 Fuel joint 14 Fuel gauge 14 Fuel tank cap 14 Air vent screw 14 Remote control 14 Remote control lever 15 Neutral interlock trigger 15 Neutral throttle lever 15 Tiller handle 15 Gear shift lever 16 Throttle grip 16 Throttle indicator 16 Throttle friction adjuster 16 Engine shut off switch 17 E...

Page 6: ...care 53 Flushing power unit 54 Cleaning the outboard motor 55 Checking painted surface of motor 55 Periodic maintenance 55 Replacement parts 55 Severe operating conditions 55 Maintenance chart 1 57 Maintenance chart 2 59 Greasing 60 Cleaning and adjusting spark plug 61 Checking fuel system 62 Inspecting fuel filter 63 Cleaning fuel filter 63 Inspecting idling speed 64 Changing engine oil 64 Checki...

Page 7: ...tor is sto len EMU25190 Key number If a main key switch 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 EMU25202 EC label Engines affixed with this label conform to certain portions of the European Parliament directive relating to machinery Refer to the la...

Page 8: ...General information 2 1 EC label location ZMU05590 1 ZMU05593 1 ZMU01696 ...

Page 9: ...r Read this 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 EMU33830 Warning labels If these labels are damaged or missing contact your Yamaha dealer for replacements ZMU05739 1 2 3 ...

Page 10: ...lothing away from rotating parts while the engine is running Do not touch or remove electrical parts when starting or during operation 3 WARNING EWM01670 Read Owner s Manuals and labels Wear an approved personal flotation device PFD Attach engine shut off cord lanyard to your PFD arm or leg so the engine stops if you accidentally leave the helm which could prevent a runaway boat EMU33841 Symbols T...

Page 11: ...Operator s Manual Hazard 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 ...

Page 12: ...n when the tilt support lever or knob is locked Severe injury could occur if the outboard motor accidentally falls EMU33670 Engine shut off cord Attach the engine shut off cord so that the engine stops if the operator falls overboard or leaves the helm This prevents the boat from running away under power and leaving people stranded or running over people or objects Always attach the engine shut of...

Page 13: ...he water near the boat shift into neutral and shut off the motor Stay away from swimming areas Swimmers can be hard 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 instruc tions for details about appropriate passenger locations in your boat and be sure all pas seng...

Page 14: ...tting an obstacle apply throttle and turn in another direction EMU33790 Weather Stay informed about the weather Check weather forecasts before boating Avoid boating in hazardous weather EMU33880 Passenger training Make sure at least one other passenger is trained to operate the boat in the event of an emergency EMU33890 Boating safety publications Be informed about boating safety Additional public...

Page 15: ...g if gasoline spills on it Touch the fuel nozzle to the filler open ing or funnel to help prevent electro static sparks CAUTION ECM00010 Use only new clean gasoline which has been stored in clean containers and is not contaminated with water or foreign mat ter EMU25580 Gasoline If knocking or pinging occurs use a different brand of gasoline or premium unleaded fuel EMU25683 Engine oil NOTE If the ...

Page 16: ...board mo tor could result in hazardous condi tions 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 it is in neutral WARNING EW...

Page 17: ...ation top speed fuel economy and even engine life Yamaha designs and manufactures propel lers for every Yamaha outboard motor and every application 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 appropriate Your Yamaha dealer can help you select the right propeller for your boating...

Page 18: ...mote control units are equipped with start in gear protection device s This feature 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 ZMU04605 x 1 2 3 ...

Page 19: ...cowling 2 Top cowling lock lever s 3 Drain screw 4 Anti cavitation plate 5 Trim tab 6 Propeller 7 Cooling water inlet 8 Trim rod 9 Clamp bracket 10 Manual starter handle 11 Warning indicator 12 Gear shift lever 13 Engine stop button Engine shut off switch 14 Tiller handle 15 Throttle friction adjuster 16 Tilt lock lever 17 Transom clamp handle 18 Rope attachment 19 Steering friction adjuster 20 Fl...

Page 20: ...When removed the tank can be filled with fuel To remove the cap turn it counterclockwise EMU25860 Air vent screw This screw is on the fuel tank cap To loosen the screw turn it counterclockwise EMU26180 Remote control The remote control lever actuates both the shifter and the throttle The electrical switch es are mounted on the remote control box 1 Fuel joint 2 Fuel gauge 3 Fuel tank cap 4 Air vent...

Page 21: ...n terlock trigger up EMU26211 Neutral 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 p...

Page 22: ... the throttle indicator shows the relative amount of fuel consumed for each throttle position Choose the setting that offers the best performance and fuel economy for the desired operation EMU25971 Throttle friction adjuster 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 res...

Page 23: ... the clip stopping ignition to the engine This will prevent the boat from running away under power 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 du...

Page 24: ...090 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 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 W...

Page 25: ... 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 result in an accident If the resistance does not increase even when the lever is turned to the port side A make...

Page 26: ...sult in an accident EMU26252 Trim tab 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 or re placed to be sure steering is correct Be sure you have tightened the bolt after ad...

Page 27: ... position push the tilt support knob under the swivel bracket CAUTION ECM00660 Do not use the tilt support lever or knob when trailering the boat The outboard motor could shake loose from the tilt sup port and fall If the motor cannot be trail ered in the normal running position use an additional support device to secure it in the tilt position EMU26332 Tilt support bar The tilt support bar keeps ...

Page 28: ... 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 motor could shake loose from the tilt sup port and fall If the motor cannot be trail ered in the normal running position use an additional support device to secure it in the tilt position EMU26382 Top cowling lock lever pull up type...

Page 29: ...ue to operate the engine if a warning device has activated Consult your Yamaha dealer if the problem can not be located and corrected EMU26817 Overheat warning This engine has an overheat warning de vice If the engine temperature rises too high the warning device will activate Activation of warning device The engine speed will automatically de crease to about 2000 r min If equipped with an overhea...

Page 30: ...low oil pressure warning indicator it will light or blink The buzzer will sound if equipped on the tiller handle remote control box or main switch panel If the warning system has activated stop the engine as soon as it is safe to 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 ...

Page 31: ... consult the boat manufacturer Improper mounting of the outboard mo tor could result in hazardous condi tions such as poor handling loss of control or fire hazards For permanent ly mounted models your dealer or oth er person experienced in proper rigging should mount the motor EMU32011 Mounting the outboard motor 1 Be sure to mount the outboard motor while the boat is on land If the boat is on the...

Page 32: ...l 25 mm 1 in below it CAUTION ECM01630 During water testing check the buoy ancy of the boat at rest with its maxi mum 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 run ning Incorrect engine height or obstructions to the smooth flow of water such as the design or condition...

Page 33: ...y check the screws for tightness during operation 2 If the engine restraint cable attachment is equipped on your engine an engine restraint cable or chain should be used Attach one end to the engine restraint cable attachment and the other to a se cure mounting point on the boat Other wise the engine could be completely lost if it accidentally falls off the transom 3 Secure the clamp bracket to th...

Page 34: ...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 EWM00081 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 CAUTIO...

Page 35: ... 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 Filling fuel WARNING EWM00060 Gasoline and its vapors are highly flam mable and explosive Keep aw...

Page 36: ...t gases which contain 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 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 on the motor firmly connect the fuel line to the joint...

Page 37: ...ord 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 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 functio...

Page 38: ... 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 engine shut off cord to a se cure place on your clothing or your arm or ...

Page 39: ...ery will be quickly discharged thus making it im possible to start the engine The starter can also be damaged If the engine will not start after 5 seconds of cranking release the starter button wait 10 sec onds then crank the engine again NOTE When the engine is cold it needs to be warmed up For further information see page 35 If the engine is warm and fails to start open the throttle slightly and...

Page 40: ... boat to be thrown forward 3 Turn the main switch to on 4 Turn the main switch to start and hold it for a maximum of 5 seconds 5 Immediately after the engine starts re lease the main switch and allow it to re turn to on CAUTION ECM00191 Never turn the main switch to start while the engine is running Do not keep the starter motor turning for more than 5 seconds If the starter motor is turned contin...

Page 41: ...e shows that the water pump is pumping water through the cooling passages If water is not flowing out of the pilot hole at all times while the en gine is running overheating and seri ous damage could occur Stop the engine and check whether the cooling water inlet on the lower case or the cooling water pilot hole is blocked Consult your Yamaha dealer if the prob lem cannot be located and corrected ...

Page 42: ...own position if equipped before operating in reverse NOTE Tiller handle models The gear shift lever op erates only when the throttle grip is in the ful ly closed position To shift from in gear forward reverse to neutral 1 Close the throttle so that the engine slows to 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 n...

Page 43: ...parate braking system Water resistance stops it af ter the throttle lever is moved back to idle The stopping distance varies depending on gross weight water surface conditions and wind direction EMU27820 Stopping engine Before stopping the engine first let it cool off for a few minutes at idle or low speed Stop ping the engine immediately after operating at high speed is not recommended EMU27845 P...

Page 44: ...40 Excessive trim for the operating condi tions either trim up or trim down can cause boat instability and can make steering the boat more difficult This in creases 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 provided in the clamp bracket t...

Page 45: ...stabil ity or control problems Improper trim angle 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 moving Tilt the engine to the desired angle using the power tilt switch NOTE Stay within the trim operating...

Page 46: ...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 outboard motor trim angle may have little effect on the trim of the boat when operating EMU27934 Tilting up and down If the engine will be stopped for some time or if the boat is moored in shallows the out board mot...

Page 47: ...lace 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 up fully 5 Push the tilt support knob into the clamp bracket Or the tilt support bar will turn to the lock position automatically CAUTION ECM01640 Do not use the tilt support lever or knob when trailering the boat The out...

Page 48: ...er tilt unit loses pressure CAUTION ECM01640 Do not use the tilt support lever or knob when trailering the boat The outboard motor could shake loose from the tilt sup port and fall If the motor cannot be trail ered in the normal running position use an additional support device to secure it in the tilt position For more detailed in formation see page 50 4 Models equipped with trim rods Once the ou...

Page 49: ...for tilting down power tilt models 1 Push the power tilt switch up until the outboard motor is supported by the tilt rod and the tilt support knob becomes free 2 Pull out the tilt support knob 3 Push the power tilt switch down to lower the outboard motor to the desired position EMU28060 Cruising in shallow water The outboard motor can be tilted up partially to allow operation in shallow water ZMU0...

Page 50: ...e 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 ac cident and personal injury 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 cool...

Page 51: ...l position EMU32860 Power tilt models The outboard motor can be tilted up partially to allow operation in shallow water WARNING EWM00660 Place the gear shift in neutral before setting 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 low...

Page 52: ...sh wa ter and if possible rinse the power head un der 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 sediment in it such as muddy or other turbid cloudy water Cruising in acidic water Water in some areas can be acidic After op er...

Page 53: ...90 mm 15 4 in F15CMH 420 mm 16 5 in F20BE 390 mm 15 4 in F20BEH 420 mm 16 5 in F20BEP 390 mm 15 4 in F20BMH 420 mm 16 5 in Overall height S F13 5BEP 1078 mm 42 4 in F13 5BMH 1078 mm 42 4 in F15CE 1078 mm 42 4 in F15CEH 1078 mm 42 4 in F15CMH 1078 mm 42 4 in F20BE 1078 mm 42 4 in F20BEH 1078 mm 42 4 in F20BEP 1078 mm 42 4 in F20BMH 1078 mm 42 4 in Overall height L 1205 mm 47 4 in Transom height S F...

Page 54: ... r min F15CMH 11 0 kW 5500 r min 15 HP 5500 r min F20BE 14 7 kW 5500 r min 20 HP 5500 r min F20BEH 14 7 kW 5500 r min 20 HP 5500 r min F20BEP 14 7 kW 5500 r min 20 HP 5500 r min F20BMH 14 7 kW 5500 r min 20 HP 5500 r min Idling speed in neutral 1050 50 r min Engine Type 4 stroke L Displacement 362 0 cm3 Bore stroke 63 0 58 1 mm 2 48 2 29 in Ignition system CDI Spark plug NGK DPR6EB 9 Spark plug ga...

Page 55: ...ilt F20BEP Power tilt F20BMH Manual tilt Propeller mark J Fuel and oil Recommended fuel Regular unleaded gasoline Min research octane 90 Fuel tank capacity 25 L 6 60 US gal 5 50 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 s...

Page 56: ...a motor support bar is used Severe injury could occur if the outboard motor accidentally falls CAUTION ECM00660 Do not use the tilt support lever or knob when trailering the boat The outboard motor could shake loose from the tilt sup port and fall If the motor cannot be trail ered in the normal running position use an additional support device to secure it in the tilt position The outboard motor s...

Page 57: ...ur Yamaha outboard motor for prolonged periods of time 2 months or longer several important procedures must be performed to prevent excessive damage It is advisable to have your outboard motor serviced by an authorized Yamaha dealer prior to storage However you the owner with a minimum of tools can perform the fol lowing procedures CAUTION ECM01080 To prevent problems which can be caused by oil en...

Page 58: ...engine top cowling and si lencer cover Remove the propeller For further details see page 68 5 Position the outboard motor on a water tank For further details see page 25 6 Fill the tank with fresh water until the anti cavitation plate is immersed in wa ter CAUTION ECM00290 If the fresh water level is below the level of the anti cavitation plate or if the water supply is insufficient engine seizure...

Page 59: ... oil is recommended Contact your Yamaha dealer for information about fogging oil and procedures for your engine EMU28431 Battery care WARNING EWM00330 Battery electrolytic fluid is dangerous it contains sulfuric acid and therefore is poisonous and highly caustic Always follow these preventive mea sures Avoid bodily contact with electrolytic fluid as it can cause severe burns or permanent eye injur...

Page 60: ... water pump may be damaged and severe damage from overheating can result 1 After shutting off the engine unscrew the garden hose connector from the fit ting on the bottom cowling 2 Screw the garden hose adapter onto a garden hose which is connected to a fresh water supply and then connect it to the garden hose connector 3 With the engine off turn on the water tap and let the water flush through th...

Page 61: ...en you perform maintenance unless otherwise specified If you are not familiar with ma chine servicing this work should be done by your Yamaha dealer or other qualified mechanic EMU28511 Replacement parts If replacement parts are necessary use only genuine Yamaha parts or parts of equivalent design and quality Any part of inferior quality may malfunction and the resulting loss of control could enda...

Page 62: ...intenance Yamaha recommends that you do this service twice as often as specified in the maintenance chart For ex ample if a particular service should be done at 50 hours do it instead at 25 hours This will help prevent more rapid deterioration of engine components ...

Page 63: ... 3 months 100 hours 1 years 300 hours 3 years 500 hours 5 years Anode s external Inspection or replace ment as necessary Anode s cylinder head thermostat cover Inspection or replace ment as necessary Anodes exhaust cover cooling water passage cover Rectifier Regula tor cover Replacement Anode s exhaust cover cover joint Replacement Battery Inspection or charging replacement as neces sary Cooling w...

Page 64: ...rk plug caps high tention cordes Inspection or replace ment 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 s...

Page 65: ...10 NOTE When using lead or high sulfur gasoline inspecting valve clearance may be required more frequently than every 500 hours Item Actions Every 1000 hours Guide exhaust exhaust manifold Inspection or replace ment as necessary Timing belt Replacement ...

Page 66: ...Maintenance 60 EMU28941 Greasing Yamaha grease A water resistant grease Yamaha grease D corrosion resistant grease for propeller shaft F13 5BMH F13 5BEH F15CMH F15CEH F20BMH F20BEH ZMU05557 ...

Page 67: ... A damaged insulator could allow external sparks which could lead to explosion or fire WARNING EWM01550 The engine will still be very hot when it has just been turned off Take extremely care so that neither you nor anyone else gets burnt To avoid burns work on the engine when it has cooled down The spark plug is an important engine com ponent and is easy to inspect The condition ZMU05595 ...

Page 68: ...w gasket Wipe off any dirt from the threads and screw in the spark plug to the correct torque NOTE If a torque wrench is not available when you are fitting a spark plug a good estimate of the correct torque is 1 4 to 1 2 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 i...

Page 69: ...ll allow some fuel to spill Catch fuel 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...

Page 70: ...er 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 dealer or other qualified mechanic 2 Verify ...

Page 71: ...completely Wipe up any spilled oil immediately 3 Put a new gasket on the oil drain screw Apply a light coat of oil to the gasket and install the drain screw NOTE If a torque wrench is not available when you are installing the drain screw finger tighten the screw just until the gasket comes into contact with the surface of the drain hole Then tighten 1 4 to 1 2 turn more Tighten the drain screw to ...

Page 72: ...ure the level falls between the up per 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 the disposal of used oil consult your Yamaha dealer Change the oil more often when operating the engine under adverse conditions such as extended trolling EM...

Page 73: ... 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 injured if the en gin...

Page 74: ...ped and thrust washer EMU30671 Installing propeller EMU29232 Spline models CAUTION ECM00340 Be sure to install the thrust washer be fore installing the propeller otherwise the lower case and propeller boss could be damaged Be sure to use a new cotter pin and bend the ends over securely Otherwise the propeller could come off during op eration and be lost 1 Apply Yamaha marine grease or a cor rosion...

Page 75: ...e gear oil drain screw is at the lowest point pos sible 2 Place a suitable container under the gear case 3 Remove the gear oil drain screw and gasket NOTE If a magnetic gear oil drain screw is equipped remove all metal particles from the screw before installing it Always use new gaskets Do not reuse the removed gaskets 4 Remove the oil level plug and gasket to allow the oil to drain completely CAU...

Page 76: ...ch 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 container 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 filter located on the end of t...

Page 77: ...tion Antidote INTERNAL Drink large quantities 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 cigar...

Page 78: ...s off before 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 The electrical contacts of the battery and cables must be clean and properly connected or the battery will not start the engine Connect the red battery cable to the POSI T...

Page 79: ...t 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 engine corrosion ...

Page 80: ...rviced 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 31 Q Has fuel pump malfunctioned A Have serviced by a Yamaha dealer Q Are ...

Page 81: ...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 ca...

Page 82: ...t 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 clean fresh fuel Q Is...

Page 83: ...ncy 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 inspect the boat for damage 3 Whether ...

Page 84: ...er rope WARNING EWM01022 Use this procedure only in an emergen cy to return to the nearest port for re pairs When the emergency 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 shut off cord to a se cu...

Page 85: ...er moving parts when the engine is running Do not install the starter mechanism or top cowling after the engine is running Do not touch the ignition coil spark plug wire spark plug cap or other elec trical components when starting or op erating the motor You could get an electrical shock EMU31993 Emergency starting engine manual starter model 1 Remove the top cowling 2 Remove the dust cover 3 Disc...

Page 86: ...ure If the engine fails to start after 4 or 5 tries open the throttle a small amount between 1 8 and 1 4 and try again Also if the engine is warm and fails to start open the throttle a same amount and try to start the engine again If the engine still fails to start see page 31 Slowly return the throttle grip to the fully closed position so that the engine does not stall EMU32003 Emergency starting...

Page 87: ...rical system plate by tightening the bolt s and fix the plate 7 Prepare the engine for starting For fur ther information see page 31 Be sure that the gear shift is in neutral and that the clip is attached to the engine shut off switch The main switch must be on if equipped ZMU05613 ZMU05624 ZMU05614 ZMU05615 ZMU05616 ...

Page 88: ...he fully closed position so that the engine does not stall 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 immediately take the outboard motor to a Yamaha dealer follow the proce dure below in order to minimize engine dam age EMU29783 Procedure 1 Thoroughly wash awa...

Page 89: ...Trouble Recovery 83 rope 6 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 ...

Page 90: ...YAMAHA MOTOR CO LTD Printed on recycled paper Printed in Japan April 2007 1 2 1 ...

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