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Yamaha LZ300C, Owner'S Manual

The Yamaha LZ300C Owner's Manual is an essential resource for every boat owner. This comprehensive manual provides detailed instructions on operating and maintaining your LZ300C model. Easily download the manual for free from our website, ensuring that you have the necessary knowledge to optimize your boating experience.

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Table of contents

 

General information .......................... 1

 

Identification numbers record ..........  1

 

Outboard motor serial number .......... 1
Key number....................................... 1

 

Emission control information ...........  1

 

North American models..................... 1
Star labels ......................................... 2

 

Safety information ...........................  3
Important labels...............................  4

 

Warning labels .................................. 4
Caution labels ................................... 5

 

Basic boating rules (Rules of the 

road) .............................................. 5

 

Steering and sailing rules and sound 

signals............................................. 5

Rules when encountering vessels .... 6
Other special situations..................... 7

 

Fueling instructions .........................  9

 

Gasoline ............................................ 9
Engine oil .......................................... 9

 

Battery requirement.........................  9

 

Battery specifications ...................... 10

 

Propeller selection.........................  10
Start-in-gear protection .................  11

 

Basic components .......................... 12

 

Main components ..........................  12

 

Remote control................................ 12
Remote control lever ....................... 13
Neutral interlock trigger ................... 13
Neutral throttle lever........................ 14
Free accelerator .............................. 14
Throttle friction adjuster................... 14
Engine stop lanyard switch ............. 15
Main switch ..................................... 16
Power trim and tilt switch on remote 

control ........................................... 16

Power trim and tilt switch on bottom 

engine cowling .............................. 17

Power trim and tilt switches (twin 

binnacle type) ............................... 17

Trim tab with anode ........................ 18
Tilt support lever for power trim and 

tilt or hydro tilt model..................... 18

Top cowling lock lever (pull up 

type).............................................. 18

Flushing device ............................... 19
Digital tachometer ........................... 19
Oil level indicator (digital type) ........ 19
Overheat warning indicator (digital 

type) .............................................. 20

Speedometer (digital type) .............. 20
Trim meter (digital type) .................. 21
Hour meter (digital type).................. 21
Trip meter ........................................ 21
Clock ............................................... 22
Fuel gauge ...................................... 22
Fuel warning indicator ..................... 22
Low battery voltage warning 

indicator ........................................ 23

Fuel management meter ................. 23
Fuel flow meter................................ 23
Fuel consumption meter.................. 24
Fuel economy.................................. 24
Twin-engine speed synchronizer .... 25
Water separator warning indicator .. 25

 

Warning system ............................  26

 

Overheat warning (twin engines) .... 26
Oil level warning and oil filter 

clogging warning ........................... 26

 

Operation ......................................... 28

 

Installation.....................................  28

 

Mounting the outboard motor .......... 28

 

Breaking in engine ........................  29

 

Procedure for HPDI models ............ 30

 

Preoperation checks .....................  30

 

Fuel ................................................. 30
Oil .................................................... 30
Controls ........................................... 31
Engine ............................................. 31
Operation after a long period of 

storage .......................................... 31

 

Filling fuel and engine oil ..............  32

 

Ring Free Fuel Additive................... 32
Filling oil for oil injection models...... 32
Oil level indicator operation ............. 34

 

Operating engine ..........................  35

 

Feeding fuel .................................... 35
Starting engine ................................ 35

 

Warming up engine.......................  37

 

Electric start and prime start 

Summary of Contents for LZ300C

Page 1: ...Z300C LZ300C OWNER S MANUAL 6D0 28199 11 U S A Edition LIT 18626 05 69 ...

Page 2: ...EMU25071 ZMU01690 Read this owner s manual carefully before operating your outboard motor ...

Page 3: ...otor 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 discrepanc...

Page 4: ... tab with anode 18 Tilt support lever for power trim and tilt or hydro tilt model 18 Top cowling lock lever pull up type 18 Flushing device 19 Digital tachometer 19 Oil level indicator digital type 19 Overheat warning indicator digital type 20 Speedometer digital type 20 Trim meter digital type 21 Hour meter digital type 21 Trip meter 21 Clock 22 Fuel gauge 22 Fuel warning indicator 22 Low battery...

Page 5: ...ing spark plug 53 Checking fuel system 54 Inspecting fuel filter 55 Cleaning fuel filter 55 Inspecting idling speed 56 Checking water in engine oil tank 57 Checking wiring and connectors 57 Exhaust leakage 57 Water leakage 57 Checking power trim and tilt system 57 Checking propeller 58 Removing the propeller 59 Installing the propeller 59 Changing gear oil 60 Inspecting and replacing anode s 61 Ch...

Page 6: ...mber 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 EMU25220 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 ...

Page 7: ...ifies engines that meet the Air Resources Board s 2001 ex haust emission standards Engines meeting these standards have 75 lower emissions than conventional carbureted two stroke en gines These engines are equivalent to the U S EPA s 2006 standards for marine en gines EMU25290 Two Stars Very Low Emission The two star label identifies engines that meet the Air Resources Board s 2004 ex haust emissi...

Page 8: ...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 hazardous boating condi tions Gasoline is highly flammable and its va pors are fl...

Page 9: ...into neutral and shut off the engine Be informed about boating safety Additional publications and information can be obtained from many organizations including the fol lowing United States Coast Guard Consumer Affairs Staff G BC Office of Boating Public and Consumer Af fairs U S Coast Guard Headquarters Washington D C 20593 0001 Boating Safety Hotline 1 800 368 5647 National Marine Manufacturers A...

Page 10: ...ates Coast Guard and local agen cies You should be aware of these rules and follow them whenever you encounter another vessel on the water Several sets of rules prevail according to geographic location but are all basically the same as the International 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 loc...

Page 11: ... collision unless the Steering Rules are followed Meeting you are approaching another ves sel head on Crossing you are traveling across the oth er vessel s path Overtaking you are passing or being passed by another vessel 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 e...

Page 12: ...ishing ves sels under the International Rules Vessels with trolling lines are 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 ov...

Page 13: ...e shapes and colors to show regulato 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 ZMU01708 ...

Page 14: ...oreign mat ter EMU25570 Gasoline If knocking or pinging occurs use a different brand of gasoline or premium unleaded fuel Gasohol There are two types of gasohol gasohol con taining ethanol and that containing metha nol Gasohol containing ethanol can be used if ethanol content does not exceed 10 and the fuel meets minimum octane ratings Yamaha does not recommended gasohol containing methanol becaus...

Page 15: ...ge of applications but there may be uses where a propeller with a different pitch would be more appropriate For a greater operating load a smaller pitch propeller is more suit able as it enables the correct engine speed to be maintained Conversely a larger pitch propeller is more suitable for a smaller oper ating load Yamaha dealers stock a range of propellers and can advise you and install a prop...

Page 16: ...ns on propeller removal and in stallation see page 58 EMU25770 Start in gear protection Yamaha outboard motors or Yamaha ap proved remote 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 ...

Page 17: ...mode YAMAHA set mode P S mpg Km L gph I h ECON SYNC TTL FUEL MANAGEMENT 13 14 15 16 19 17 18 1 2 12 11 9 10 8 7 6 5 3 4 2 ZMU01860 1 Top cowling 2 Top cowling lock lever s 3 Trim tab anode 4 Propeller 5 Cooling water inlet 6 Anti cavitation plate 7 Anode 8 Clamp bracket 9 Tilt support lever 10 Flushing device 11 Power trim and tilt switch 12 Cooling water pilot hole 13 Remote control box side moun...

Page 18: ...rate EMU26200 Neutral interlock trigger To shift out of neutral first pull the neutral in terlock trigger up 1 Power trim and tilt switch 2 Remote control lever 3 Neutral interlock trigger 4 Neutral throttle lever 5 Main switch choke switch 6 Engine stop lanyard switch 7 Throttle friction adjuster 1 Remote control lever 2 Power trim and tilt switch 3 Free accelerator 4 Throttle friction adjuster 1...

Page 19: ...rol lever is in the neutral position After the button is pushed the throttle be gins to open after the remote control lever is moved at least 35 After using the free accelerator return the remote control lever to the neutral position The free accelerator button will return au tomatically to its set position The remote control will then engage forward and re verse normally EMU25970 Throttle frictio...

Page 20: ... plate stopping ignition to the engine This will prevent the boat from running away un der power WARNING EWM00120 Attach the engine stop switch lanyard to a secure place on your clothing or your arm or leg while operating Do not attach the lanyard to clothing that could tear loose Do not route the lanyard where it could become entan gled preventing it from functioning Avoid accidentally pulling th...

Page 21: ... sition the starter motor turns to start the en gine When the key is released it returns automatically to the on position EMU26140 Power trim and tilt switch on remote control The power trim and tilt system adjusts the outboard motor angle in relation to the tran som Pressing the switch up trims the outboard motor up then tilts it up Pressing the switch down tilts the outboard mo tor down and trim...

Page 22: ...uld increase the risk of falling overboard and could distract the operator increasing the risk of collision with another boat or an obsta cle NOTE For instructions on using the power trim and tilt switch see page 41 EMU26161 Power trim and tilt switches twin binnacle type The power trim and tilt system adjusts the outboard motor angle in relation to the tran som Pushing the switch up trims the out...

Page 23: ... veer the right starboard side turn the trim tab end to the starboard side B in the figure CAUTION ECM00840 The trim tab also serves as an anode to protect the engine from electrochemical corrosion Never paint the trim tab as it will become ineffective as an anode EMU26340 Tilt support lever for power trim and tilt or hydro tilt model To keep the outboard motor in the tilted up position lock the t...

Page 24: ...the main switch is turned on and will return to normal thereafter EMU26550 Oil level indicator digital type This indicator shows the engine oil level If the oil level falls below the lower limit the warning indicator will start to blink For fur ther information see page 26 CAUTION ECM00030 Do not operate the engine without oil Se rious engine damage will occur 1 Flushing device ZMU01951 ZMU01865 1...

Page 25: ...ain switch is first turned on all segments of the display come on as a test After a few seconds the gauge will change to normal operation Watch the gauge when turning on the main switch to make sure all segments come on NOTE The speedometer displays km h mph or knots according to operator preference Se lect the desired unit of measurement by set ting the selector switch on the back of the gauge Se...

Page 26: ... display format in the following pat tern Total hours Trip hours Display off Resetting the trip hours Simultaneously pressing the set and mode buttons for more than 1 second while the trip hours are displayed resets the trip counter to 0 zero NOTE The total number of hours the engine has been run cannot be reset EMU26690 Trip meter This gauge displays the distance the boat has traveled since the g...

Page 27: ... is indicated by eight segments When all segments are showing the fuel tank is full CAUTION ECM00860 The Yamaha fuel tank sensor differs from conventional sensors Incorrectly setting the selector switch on the gauge will give false readings Consult your Yamaha dealer on how to correctly set the selec tor switch NOTE The fuel level reading can be affected by the position of the sensor in the fuel t...

Page 28: ...over a one hour period at the cur rent rate of engine operation If twin engines are installed on your boat the fuel flow meter displays the total fuel flow of both the port and starboard engines It also displays for port and starboard Use the set button to rotate the fuel flow display in the following order Press the set button once to display the fuel flow of the starboard engine An for starboard...

Page 29: ... To reset the total fuel consumption to zero press the set and mode buttons at the same time EMU26770 Fuel economy This gauge displays the distance per liter or gallon when cruising and is only for refer ence use by the operator Press the mode button repeatedly until the indicator on the face of the gauge points to economy NOTE If twin engines are installed on your boat the gauge will only display...

Page 30: ...n in fuel consumption EMU26780 Twin engine speed synchronizer This gauge displays the difference in engine speed r min between the port and star board engines for reference purposes when synchronizing the two engines speeds Press the mode button repeatedly until the indicator on the face of the gauge points to synchronizer NOTE If the two engines speeds are not synchro nized while cruising they ca...

Page 31: ...ning system has activated stop the engine and check the cooling water inlet for clogging NOTE Dual engine drive users Should the overheat warning system of one engine activate the engine will slow down and the buzzer will sound This will cause the other engine to slow down and the buzzer to sound To switch off the warning activation on the engine not affected by overheating turn off the main switc...

Page 32: ...tivated 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 1 Oil filter ZMU01871 1 ZMU01872 1 Oil filter 1 ZMU01952 ...

Page 33: ... does not have a capacity plate consult the boat manufacturer The information presented in this sec tion 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 ha...

Page 34: ...ation and the desired use Test runs at different heights can help deter mine the optimum mounting height Con sult your Yamaha dealer or boat manufacturer for further information on de termining the proper mounting height For instructions on setting the trim angle of the outboard motor see page 39 EMU27041 Breaking in engine Your new engine requires a period of break in to allow mating surfaces of ...

Page 35: ...ing at full throttle for more than 5 minutes at a time Let the engine cool between full throttle runs Vary en gine speed occasionally 5 After the first 10 hours Operate the engine normally EMU27100 Preoperation checks WARNING EWM00080 If any item in the preoperation check is not working properly have it inspected and repaired before operating the out board motor Otherwise an accident could occur C...

Page 36: ...erating the engine after a long peri od 12 months of storage proceed as fol lows 1 Start the engine Leave it idling 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 2 Watch for oil flowing through the oil feed pipes After any air in the oil lines has bee...

Page 37: ...Yamaha recommends the use of Ring Free Fuel Additive available from your Yamaha dealer Ring Free Fuel Addi tive has repeatedly proven its ability to clean combustion deposits from inside the engine notably the critical piston ring land area and fuel system components Follow product la beling for use instructions EMU27290 Filling oil for oil injection models WARNING EWM00530 Do not add gasoline int...

Page 38: ...ine 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 pump chamber will not be filled with oil and no oil will be supplied ...

Page 39: ...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 32 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 40: ...noxide 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 or a fuel cock on the boat firmly connect the fuel line to the joint or open the fuel...

Page 41: ...ine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward 3 Turn the main switch to on NOTE Dual engine users When the main switch is turned on the buzzer operates for a few sec onds then stops automatically The buzzer also operates if one of the engines stalls 4 Turn the main switch to start and hold it for a maximum of 5 seconds 5 Immediately afte...

Page 42: ... at all times while the engine is run ning overheating and serious 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 problem cannot be located and cor rected EMU27740 Shifting WARNING EWM00180 Before shifting make sure there are no swimmers or obstacles in the water near you CA...

Page 43: ...f equipped tiller control 1 Place the throttle grip in the fully closed position 2 Move the gear shift lever quickly and firmly from neutral to reverse If equipped remote control Pull up the neutral interlock trigger if equipped and move the remote control lever quickly and firmly from neutral to reverse EMU27820 Stopping engine Before stopping the engine first let it cool off for a few minutes at...

Page 44: ...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 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...

Page 45: ...ipped EMU27910 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 also be adjusted to help offset this effect When th...

Page 46: ...otor should be tilted up to protect the propeller and casing from damage by colli sion with obstructions 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 ou...

Page 47: ...t it with the tilt support knob or tilt support lever Otherwise the outboard motor could fall back down suddenly if oil in the power trim and tilt unit loses pres sure 5 If the trim rods equipped once the out board motor is supported with the tilt support lever press the power trim and tilt switch down to retract the trim rods CAUTION ECM00250 Be sure to retract the trim rods complete ly during mo...

Page 48: ...desired position EMU28060 Cruising in shallow water The outboard motor can be tilted up partially to allow operation in shallow water EMU28090 Power trim and tilt models 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 nor...

Page 49: ...g position press the power trim tilt switch and slowly tilt the out board motor down EMU28190 Cruising in other conditions Cruising in salt water After operating in salt water wash out the cooling water passages with fresh water to prevent them from becoming clogged with salt deposits NOTE For cooling system flushing instructions see page 46 Cruising in turbid water Yamaha strongly recommends that...

Page 50: ... plug gap 1 5 1 6 mm 0 059 0 063 in Control system Remote control Starting system Electric Battery Min cold cranking amps CCA SAE 512 0 A Min marine cranking amps MCA ABYC 675 0 A Min reserve capacity RC SAE 182 minutes Alternator output for battery DC 50 0 A Starting carburetion system Electronic fuel injection Drive unit Gear positions Forward neutral reverse Gear ratio 1 75 28 16 Trim and tilt ...

Page 51: ...rmal 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 details EMU28250 Storing outboard motor When storing your Yamaha outboard motor for prolonged periods of time 2 months or longer several important procedures must be perfo...

Page 52: ... parts when starting or during operation Keep hands hair and clothes away from the flywheel and other rotating parts while the engine is running NOTE When using the flushing attachment maintain adequate water pressure and a steady water flow If the overheat warning device is activated turn the engine off and consult your Yamaha dealer 6 Run the engine at a fast idle for 10 15 minutes in neutral po...

Page 53: ...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 injury Wear protective eye gear when han dling or working near batteries Antidote EXTERNAL SKIN Flush with water EYES Flush with water for 15 minutes and get immediate medical attention Antidote INTERNAL Drink large quantities of water ...

Page 54: ... garden hose connector on the fitting on the bottom cowling Tighten the connec tor securely CAUTION ECM00540 Do not leave the garden hose connector loose on the bottom 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 af...

Page 55: ...devices and sys tems may be performed by any marine engine repair establishment 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 nanc...

Page 56: ...l 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 replace ment Fuel system Inspection Gear oil Change Greasing points Greasing Idling speed EFI mod els Inspection adjustment PCV Pressure Con trol Valve Inspection Power trim and tilt unit Inspection Prop...

Page 57: ...High pressure fuel pump oil level Inspection filling 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 Item Actions Every 500 hours 2 5 years 1000 hours 5 years High pressure fuel pump drive belt Replacement ...

Page 58: ...560 When 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 ZMU01939 ...

Page 59: ...g 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 EMU28961 Checking fuel system WARNING EWM00900 Gasoline and its vapors are highly flam mable and explosive Keep away from sparks ci...

Page 60: ...e on a hot or running engine Allow the engine to cool There will be fuel in the fuel filter Keep away from sparks cigarettes flames or other sources of ignition This procedure will 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...

Page 61: ...ve the throttle control lever from the start position during warm up The boat could unexpectedly start to move which could result in an accident CAUTION ECM00490 This procedure must be performed while the outboard motor is in the water A flushing attachment or test tank can be used A diagnostic tachometer should be used for this procedure Results may vary depending on whether testing is conducted ...

Page 62: ...r trim and tilt system WARNING EWM00430 Never get under the lower unit while it is tilted even when the tilt support lever is locked Severe injury could occur if the outboard motor accidentally falls Make sure no one is under the outboard motor before performing this test 1 Check the power trim and tilt unit for any sign of oil leaks 2 Operate each of the power trim and tilt switches on the remote...

Page 63: ...s from the spark plugs Also place the shift control in neutral turn the main switch to off and re move the key and remove the lanyard from the engine stop switch Turn off the battery cut off switch if your boat has one Do not use your hand 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 prope...

Page 64: ...e the boat could move in the opposite direction from that expected 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 resista...

Page 65: ...talling it 4 Remove the oil level plug to allow the oil to drain completely CAUTION ECM00710 Inspect the used oil after it has been drained If the oil is milky water is getting into the gear case which can cause gear damage Consult a Yamaha dealer for re pair of the lower unit seals NOTE For disposal of used oil consult your Yamaha dealer 5 With the outboard motor in a vertical po sition and using...

Page 66: ...ays follow these preventive mea sures Avoid bodily contact with electrolytic fluid as it can cause severe burns or permanent eye injury Wear protective eye gear when han dling or working near batteries Antidote EXTERNAL SKIN Flush with water EYES Flush with water for 15 minutes and get immediate medical attention Antidote INTERNAL Drink large quantities of water or milk followed by milk of magnesi...

Page 67: ... charging batteries EMU29361 Connecting the Battery WARNING EWM00570 Mount the battery holder securely in a dry well ventilated vibration free loca tion in the boat Install a fully charged bat tery in the holder CAUTION ECM01121 Make sure the main switch on applica ble models is off before work ing on the battery Reversal of the battery cables will dam age the electrical parts Connect the red batt...

Page 68: ...top cowling Check the fitting of the top cowling by push ing it with both hands If it is loose 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 n...

Page 69: ... 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 35 Q Has fuel pump malfunctioned A Have serviced by a Yamaha dea...

Page 70: ...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 71: ...g s fouled 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 w...

Page 72: ...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 damage is found or not return to the nearest harbor slowl...

Page 73: ...tely blows again EMU29520 Power trim and tilt will not operate If the engine cannot be tilted up or down with the power trim and tilt the power tilt because of a discharged battery or a failure with the power trim and tilt unit the power tilt the en gine can be tilted manually 1 Loosen the manual valve screw by turn ing it counterclockwise until it stops 2 Put the engine in the desired position th...

Page 74: ...on the engine oil tank Do not use this emergency procedure unless the oil level warning indicators are working 1 Remove the top cowling 2 Turn on the main switch 3 Lift the emergency switch to pump re serve oil into the engine oil tank from the remote oil tank 4 After using the emergency switch turn off the main switch then turn it back on This resets the warning system to nor mal operation The ye...

Page 75: ...y wash away mud salt sea weed and so on 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 vapor separator fuel filter and fuel line 4 Spray Fogging Oil or supply engine oil through the intake manifold and spark plug holes while rotating the flywheel manually 5 Take the outboard motor to a Yamah...

Page 76: ...71 Consumer information EMU29811 Important warranty information for U S A and Canada ...

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

Page 78: ...Consumer information 73 EMU29820 YAMAHA MOTOR CORPORATION U S A OUTBOARD MOTOR TWO YEAR LIMITED WARRANTY ...

Page 79: ...Consumer information 74 ...

Page 80: ...Consumer information 75 ...

Page 81: ...Consumer information 76 EMU29840 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U S A OR CANADA ...

Page 82: ...Printed in Japan August 2003 1 4 1 Printed on recycled paper ...

Page 83: ...r 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 ...

Page 84: ...PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT Warranty card 2 27 02 11 47 AM Page 2 ...

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