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13

Specifications and requirements

EMU31480

Specifications

TIP:

“(AL)” stated in the specification data below
represents the numerical value for the alumi-
num propeller installed.
Likewise, “(SUS)” represents the value for
stainless steel propeller installed and “(PL)”
for plastic propeller installed.

EMU2821C

Dimension:

Overall length:

808 mm (31.8 in)

Overall width:

582 mm (22.9 in)

Overall height L:

1472 mm (58.0 in)

Transom height L:

516 mm (20.3 in)

Weight (without propeller) L:

163.0 kg (359 lb)

Performance:

Full throttle operating range:

4500–5500 r/min

Maximum output:

84.6 kW@5000 r/min
(115 HP@5000 r/min)

Idling speed (in neutral):

750

±

50 r/min

Engine:

Type:

2-stroke V

Displacement:

1730.0 cm

3

Bore

×

stroke:

90.0

×

68.0 mm (3.54

×

2.68 in)

Ignition system:

CDI

Spark plug with resistor (NGK):

BR8HS-10

Spark plug gap:

0.9–1.0 mm (0.035–0.039 in)

Control system:

Remote control

Starting system:

Electric

Starting carburetion system:

Choke valve

Min. cold cranking amps (CCA/SAE):

380.0 A

Min. marine cranking amps (MCA/ABYC):

502.0 A

Min. reserve capacity (RC/SAE):

124 minutes

Maximum generator output:

20.0 A

Drive unit:

Gear positions:

Forward-neutral-reverse

Gear ratio:

2.00 (26/13)

Trim and tilt system:

Power trim and tilt

Propeller mark:

K

Fuel and oil:

Recommended fuel:

Regular unleaded gasoline

Min. pump octane:

86

Recommended engine oil:

YAMALUBE 2-stroke outboard motor
oil

Lubrication:

Oil injection

Engine oil tank capacity:

0.9 L (0.95 US qt, 0.79 Imp.qt)

Remote oil tank capacity:

10.5 L (11.10 US qt, 9.24 Imp.qt)

Recommended gear oil:

Hypoid gear oil SAE#90

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Summary of Contents for 115

Page 1: ...115 OWNER S MANUAL 6N6 28199 1H U S A Edition LIT 18626 07 95 q Read this manual carefully before operating this outboard motor 6N6 9 1H Hyoshi 08 2 21 9 42 ページ 1 ...

Page 2: ... Read this manual carefully before operating this outboard motor Keep this manual onboard in a waterproof bag when boating This manual should stay with the outboard motor if it is sold 6N6 9 1H Hyoshi 08 2 21 9 42 ページ 2 ...

Page 3: ... death or serious injury NOTICE ECM00701 A NOTICE indicates special precautions that must be taken to avoid damage to the outboard motor or other property TIP A TIP provides key information to make pro cedures 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 prin...

Page 4: ...Boat horsepower rating 14 Mounting motor 14 Remote control requirements 14 Battery requirements 14 Specifications of Battery 14 Mounting battery 14 Multiple batteries 15 Propeller selection 15 Start in gear protection 15 Engine oil requirements 15 Fuel requirements 16 Gasoline 16 Ring Free Fuel Additive 16 Muddy or acidic water 17 Anti fouling paint 17 Motor disposal requirements 17 Emission contr...

Page 5: ...on 42 Operating engine 43 Feeding fuel 43 Starting engine 43 Checks after starting engine 45 Cooling water 45 Warming up engine 45 Choke start models 45 Checks after engine warm up 45 Shifting 45 Stop switches 45 Shifting 46 Stopping boat 47 Stopping engine 47 Procedure 47 Trimming outboard motor 47 Adjusting trim angle Power trim and tilt 48 Adjusting boat trim 48 Tilting up and down 49 Procedure...

Page 6: ...ubleshooting 69 Temporary action in emergency 72 Impact damage 72 Replacing fuse 72 Power trim and tilt will not operate 73 Starter will not operate 73 Emergency starting engine 74 Engine fails to operate 75 Low oil level alert activates 75 Top cowling does not unlock 76 Treatment of submerged motor 76 Consumer information 77 Important warranty information for U S A and Canada 77 YAMAHA MOTOR CORP...

Page 7: ... mo tor and the clamp bracket when the motor is trimmed or tilted Keep body parts out of this area at all times Be sure no one is in this area before operating the power trim and tilt mechanism The power trim and tilt switches operate even when the main switch is off Keep peo ple be away from the switches whenever working around the motor Never get under the lower unit while it is tilt ed even whe...

Page 8: ...for every occupant Yamaha recommends that you must wear a PFD whenever boating At a minimum children and non swimmers should always wear PFDs and everyone should wear PFDs when there are potentially hazardous boat ing conditions EMU33730 People in the water Always watch carefully for people in the wa ter such as swimmers skiers or divers whenever the engine is running When someone is in the water ...

Page 9: ...nforcement agency if their boat is involved in any of the following accidents 1 There is loss of life or probable loss of life 2 There is personal injury that requires medical attention beyond first aid 3 There is property damage to boats or other property over a certain amount 4 There is complete loss of a boat Contact local law enforcement personnel if a report is necessary EMU33870 Boat educati...

Page 10: ...ion about boating safety and laws 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 www uscgboating org United States Power Squadrons 1 888 FOR USPS 1 888 367 8777 www usps org Boat Owners Association of The United States 1 800 336 BOAT 1 800 336 2628 www ...

Page 11: ...e had to all dangers of naviga tion and collision and to any special circum stances which may render a departure from the above rules necessary in order to avoid immediate danger In other words follow the standard rules ex cept when a collision will occur unless both vessels try to avoid each other If that is the case both vessels become Give Way vessels EMU25521 Rules when encountering vessels Th...

Page 12: ...cal to do so If the operator of a power driven vessel is preparing to go around a bend that may obstruct the view of other wa ter vessels the operator should sound a pro longed blast on the whistle 4 to 6 seconds If another vessel is around the bend it too should sound the whistle Even if no reply is heard however the vessel should still pro ceed around the bend with caution If you navigate such w...

Page 13: ...r into port and black buoys are to port left side When navigating out of port your posi tion with respect to the buoys should be re versed red buoys should be to port and black buoys to starboard Many bodies of water used by boaters are entirely within the boundaries of a particular state The Uniform State Waterway Marking System has been devised for these waters This system uses buoys and signs w...

Page 14: ...Safety information 8 ZMU01708 ...

Page 15: ...al number in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for reference in case your outboard motor 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 1 Outboard motor...

Page 16: ...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 EMU33831 Warning labels If these labels are damaged or missing contact your Yamaha dealer for replacements ZMU06196 3 1 2 ...

Page 17: ...General information 11 1 2 3 ZMU05670 ...

Page 18: ... mean as follows Notice Warning Read Owner s Manual Hazard caused by continuous rotation Electrical hazard Remote control lever gear shift lever operat ing direction dual direction Engine start Engine cranking ZMU05696 ZMU05664 ZMU05665 ZMU05666 ZMU05667 ZMU05668 ...

Page 19: ...lacement 1730 0 cm3 Bore stroke 90 0 68 0 mm 3 54 2 68 in Ignition system CDI Spark plug with resistor NGK BR8HS 10 Spark plug gap 0 9 1 0 mm 0 035 0 039 in Control system Remote control Starting system Electric Starting carburetion system Choke valve Min cold cranking amps CCA SAE 380 0 A Min marine cranking amps MCA ABYC 502 0 A Min reserve capacity RC SAE 124 minutes Maximum generator output 20...

Page 20: ...33 EMU33581 Remote control requirements WARNING EWM01580 If the engine starts in gear the boat can move suddenly and unexpectedly pos sibly causing a collision or throwing passengers overboard If the engine ever starts in gear the start in gear protection device is not working correctly and you should dis continue using the outboard Contact your Yamaha dealer The remote control unit must be equipp...

Page 21: ...range at full throttle with the maximum boat load Generally chose a larger pitch propel ler for a smaller operating load and a smaller pitch propeller for a heavier load If you carry loads that vary widely chose the propeller that lets the engine run in the proper range for your maximum load but remember that you may need to reduce your throttle setting to stay within the recommended engine speed ...

Page 22: ...ur boat s fuel tank and outboard motor when using etha nol Ethanol is known to allow moisture to be absorbed into boat fuel tanks and systems Moisture in the fuel can cause corrosion of metallic fuel system components starting and running complaints and require addition al fuel system maintenance EMU27270 Ring Free Fuel Additive Gasoline is a precise blend of many different substances each chosen ...

Page 23: ...ly discard dump the motor Yamaha recommends consulting the dealer about discarding the motor EMU25221 Emission control information EMU25230 North American models This engine conforms to U S Environmental Protection Agency EPA regulations for ma rine SI engines See the label affixed to your engine for details EMU30390 Approval label of emission control certif icate This label is attached to the bot...

Page 24: ...Specifications and requirements 18 1 Manufactured date label location 1 ZMU04618 ...

Page 25: ...nted on the remote control box 4 7 8 9 10 1 2 3 5 6 12 11 13 14 15 16 17 18 19 ZMU04764 1 Top cowling 2 Power trim and tilt switch 3 Flushing device 4 Tilt support lever 5 Anti cavitation plate 6 Trim tab anode 7 Propeller 8 Cooling water inlet 9 Anode 10 Clamp bracket 11 Top cowling release lever 12 Choke knob 13 Cooling water pilot hole 14 Remote control box side mount type 15 Digital tachometer...

Page 26: ...tral 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 TIP The neutral throttle lever will operate only when the remote control lever is in neutral The remote control lever will operate only when the neutral throttle lever is in the closed position 1 Power trim and tilt swit...

Page 27: ...n constant speed is desired tighten the adjuster to maintain the desired throttle set ting EMU25993 Engine shut off cord lanyard and clip The clip must be attached to the engine shut off switch for the engine to run The cord should be attached to a secure place on the operator s clothing or arm or leg Should the operator fall overboard or leave the helm the cord will pull out the clip stopping ign...

Page 28: ...ved start With the main switch in the start po sition the starter motor turns to start the en gine When the key is released it returns automatically to the on position EMU32052 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 and then tilts it up Press ing the ...

Page 29: ...or increasing the risk of collision with another boat or an obsta cle EMU26244 Trim tab with anode 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 justing the trim tab The trim tab should be adjusted so that the steering cont...

Page 30: ...can be removed by operat ing the cowling release lever Pulling the front lever unlocks the top cowling for remov al When installing the top cowling 1 Set the top cowling straight down onto the engine being careful to avoid catch ing spark plug wires or other wires 2 Align the three cowling hooks with the locks on the bottom cowling 3 Press down on the top of the cowling at the front and both sides...

Page 31: ...s free of corrosion Check that the cable is properly se cured in the holder When reinstalling the cowling ensure that both the front and rear locks have operated properly If the cowling has not been locked properly some parts may be damaged by the top cowling shaking during operation EMU26460 Flushing device This device is used to clean the cooling wa ter passages of the motor using a garden hose ...

Page 32: ...egment on the trim meter display will blink EMU26651 Hour meter This meter shows the number of hours the engine has been run It can be set to show the total number of hours or the number of hours for the current trip The display can also be turned on and off To change the display format press the mode button The display can show total hours or trip hours or turn off To reset the trip hours simulta...

Page 33: ...rious en gine damage will occur EMU26602 Digital speedometer This gauge shows the boat speed and other information All segments of the display will light momen tarily after the main switch is turned on and will return to normal thereafter EMU36061 Speedometer The speedometer displays km h mph or knots according to operator preference Se lect the desired units of measurement by set ting the selecto...

Page 34: ...mode button repeatedly until the indicator on the face of the gauge points to trip meter clock or voltmeter EMU26691 Trip meter This gauge displays the distance the boat has traveled since the gauge was last reset The trip distance is shown in kilometers or miles depending upon the unit of measure ment selected for the speedometer To reset the trip meter to zero press the set and mode buttons at t...

Page 35: ... the engine ECM01770 EMU26732 Low battery voltage alert indicator If battery voltage drops the display will auto matically turn on and blink Get back to the port soon if an alert device has activated For charging the battery con sult your Yamaha dealer EMU26471 Analog tachometer This gauge shows the engine speed and has the following functions EMU26541 Oil level indicators three indicators 2 The i...

Page 36: ...his gauge shows the trim angle of your out board motor Memorize the trim angles that work best for your boat under different conditions Adjust the trim angle to the desired setting with the power trim and tilt switch 1 Oil level indicators ZMU04580 1 ZMU04581 ...

Page 37: ...ink The buzzer will sound if equipped on the tiller handle remote control box or main switch panel If the alert system has activated stop the en gine and check the cooling water inlets Check trim angle to be sure that the cool ing water inlet is submerged Check the cooling water inlet for clogging EMU26848 Oil level alert and oil filter clogging alert Oil injection models This engine has an oil le...

Page 38: ...s been activated stop the engine and check for the cause TIP The alert for oil filter clogging is similar to the alerts for low oil level and overheating To make troubleshooting easier check for en gine overheating first then oil level and fi nally oil filter clogging ZMU03942 ZMU04586 ZMU03025 1 Oil filter 1 Oil filter 1 ZMU03906 1 ZMU01952 ...

Page 39: ...t is well balanced Otherwise the boat could be hard to steer For single en gine boats mount the outboard motor on the centerline keel line of the boat EMU26931 Mounting height boat bottom The mounting height of your outboard motor affects its efficiency and reliability If it is mounted too high propeller ventilation may occur which will reduce propulsion due to excessive propeller slip and the wat...

Page 40: ... ning Incorrect engine height or obstructions to the smooth flow of water such as the design or condition of the boat or ac cessories such as transom ladders or depth finder transducers can create airborne water spray while the boat is cruising If the motor is operated con tinuously in the presence of airborne water spray enough water could enter the engine through the intake opening on the cowlin...

Page 41: ...sy plan ing boat accelerate at full throttle onto plane then immediately reduce the throttle to 3000 r min or less 3 Next two hours Accelerate at full throttle onto plane then reduce engine speed to three quar ter throttle approximately 4000 r min Vary engine speed occasionally Run at full throttle for one minute then allow about 10 minutes of operation at three quarter throttle or less to let the...

Page 42: ...rom sparks cigarettes flames or other sources of ignition WARNING EWM00910 Leaking fuel can result in fire or explo sion Check for fuel leakage regularly If any fuel leakage is found the fuel system must be repaired by a qualified mechanic Improper repairs can make the outboard unsafe to operate EMU36450 Check for fuel leaks Check under top cowling and in the boat for fuel leaks or gasoline fumes ...

Page 43: ...ows 1 Use a 50 1 gasoline oil mixture to start the engine 2 Start the engine Leave it idling WARNING Do not touch or remove electrical parts when starting or dur ing operation Keep hands hair and clothes away from the flywheel and other rotating parts while the engine is running EWM00091 3 Watch for oil flowing through the oil feed pipes After any air in the oil lines has been expelled the oil inj...

Page 44: ...NOTICE If the cowling is not installed correctly water spray under the cowling can damage the engine or the cowling can blow off at high speeds ECM01990 After installing check the fitting of the top cowling by pushing it with both hands If the top cowling is loose have it repaired by your Yamaha dealer EMU29158 Checking power trim and tilt system WARNING EWM01930 Never get under the lower unit whi...

Page 45: ...tivate the tilt down switch until the trim rods have retracted completely into the cylinders 7 Activate the trim up switch until the tilt rod is fully extended Unlock the tilt sup port lever 8 Tilt the outboard motor down Check that the tilt rod and trim rods operate smoothly EMU36581 Battery Check that the battery is in good condition and fully charged Check that the battery connections are clean...

Page 46: ...ent electrostatic sparks 7 Fill the fuel tank but do not overfill Fuel can expand and overflow if the tempera ture increases 8 Tighten the filler cap securely 9 Wipe up any spilled gasoline immediate ly with dry rags Dispose rags properly According to local laws or regulations EMU27282 Filling oil This engine uses the Yamaha oil injection system which provides superior lubrication by ensuring the ...

Page 47: ...o cancel the oil level alert 4 Operate the engine normally NOTICE 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 ON START OFF ZMU04143 ON START OFF ZMU04144 ...

Page 48: ...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 40 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 Im...

Page 49: ...on the boat firmly connect the fuel line to the joint or open the fuel cock 3 Squeeze the primer pump with the ar row pointing up until you feel it become firm EMU27492 Starting engine WARNING EWM01600 Before starting the engine make sure that the boat is tightly moored and that you can steer clear of any obstructions Be sure there are no swimmers in the wa ter near you EMU27645 Electric start rem...

Page 50: ...to the original position TIP On remote controls equipped with a neu tral throttle lever a good starting point is to lift the lever just until you feel resistance then lift slightly more The neutral throttle lever or free accelera tor can only be used when the remote con trol lever is in neutral 5 Press in and hold the main switch to op erate the remote choke system The re mote choke switch automat...

Page 51: ... a while for water to start flowing out of the pilot hole NOTICE ECM01810 If water is not flowing out of the pilot hole at all times while the engine is running overheating and serious damage could occur Stop the engine and check wheth er the cooling water inlet on the lower case or the cooling water pilot hole is blocked Consult your Yamaha dealer if the problem cannot be located and cor rected C...

Page 52: ... normal High idle speed can prevent you from shifting back to neutral If this occurs stop the engine shift to neutral then restart the engine and allow it to warm up To shift out of neutral 1 Pull the neutral interlock trigger up if equipped 2 Move the remote control lever firmly and crisply forward for forward gear or backward for reverse gear about 35 a detent can felt To shift from in gear forw...

Page 53: ...ter stopping the engine disconnect the fuel line or close the fuel cock if there is a fuel joint or a fuel cock on the boat 3 Tighten the air vent screw on the fuel tank cap if equipped 4 Remove the key if the boat will be left unattended TIP The engine can also be stopped by pulling the cord and removing the clip from the en gine shut off switch then turning the main switch to off EMU27862 Trimmi...

Page 54: ... at a complete stop with the engine off Do not adjust the trim angle with this switch while the boat is moving Adjust the outboard motor trim angle using the power trim and tilt switch To raise the bow trim out press the switch up To lower the bow trim in press the switch down Make test runs with the trim set to different angles to find the position that works best for your boat and operating cond...

Page 55: ...xcessive trim in at higher speeds also makes the boat unstable Resistance at the bow is greatly increased heightening the danger of bow steering and making opera tion difficult and dangerous TIP 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 ...

Page 56: ... lever toward you to support the engine WARNING After tilting the outboard motor be sure to support it with the tilt support knob or tilt support lever Otherwise the out board motor could fall back down suddenly if oil in the power trim and tilt unit or in the power tilt unit loses pressure EWM00262 NOTICE Do not use the tilt support lever or knob when trailering the boat The outboard mo tor could...

Page 57: ...Release the tilt support lever 3 Push the power trim and tilt switch down to lower the outboard motor to the desired position EMU28061 Shallow water EMU32851 Power trim and tilt models The outboard motor can be tilted up partially to allow operation in shallow water NOTICE ECM00260 Do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of the water...

Page 58: ...ing in other conditions Cruising in salt water After operating in salt water flush the cooling water passages with fresh water to prevent them from becoming clogged Also rinse the outside of the outboard motor with fresh wa ter and if possible rinse the power head un der the cowling Cruising in muddy turbid or acidic water Yamaha strongly recommends that you use the optional chromium plated water ...

Page 59: ...is 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 EMU30272 Storing outboard motor When storing your 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 outbo...

Page 60: ... engine is running EWM00091 6 Run the engine at a fast idle for 10 15 minutes in neutral position while supply ing fresh water 7 Just prior to turning off the engine quick ly spray Yamaha Stor Rite Engine Fogging Oil alternately into each carbu retor each intake manifold When prop erly done the engine will smoke excessively and almost stall 8 Remove the flushing attachment and wipe off any excess ...

Page 61: ...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 the cool ing passages for about 15 minutes Turn off the water an...

Page 62: ...rform a maintenance procedure have a Yamaha dealer or other qualified mechanic do the work The procedures involve disassembling the motor and exposing dangerous parts To reduce the risk of injury from moving hot or electrical parts Turn off the engine and keep the key s and engine shut off cord lanyard with you when you perform maintenance unless otherwise specified The power trim and tilt switche...

Page 63: ...e Chart were developed based upon typical use that includes operating at varied speeds with sufficient time for engine warm up and cool down a medium to light load and an average cruising speed near the 3000 to 4000 rpm range As with any engine however if your normal operating conditions are different you should consider service more often than shown especially how often you change your engine and...

Page 64: ...e flushed with clean water after each use The symbol indicates the check ups which you may carry out yourself The symbol indicates work to be carried out by your Yamaha dealer Item Actions Initial Every 20 hours 3 months 100 hours 1 year 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 ...

Page 65: ...spection or Adjust ment Power trim tilt unit Operation noise and oil leakage Inspection Propeller Propeller nut Cotter pin Inspection or replace ment as necessary Shift link shift cable Inspection adjustment or replacement as nec essary Spark plug s Inspection or replace ment as necessary Spark plug caps high tension cords Inspection or replace ment as necessary Water from the cooling water pilot ...

Page 66: ...switch Inspection or replace ment as necessary Yamaha Meter gauge Inspection Item Actions Every 1000 hours Guide exhaust exhaust manifold Inspection or replace ment as necessary Item Actions Initial Every 20 hours 3 months 100 hours 1 year 300 hours 3 years 500 hours 5 years ...

Page 67: ...k plug can indicate something about the condition of the engine For exam ple if the center electrode porcelain is very white this could indicate an intake air 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 re move and inspect the spark plug because heat and deposits will cause ...

Page 68: ...st the gap to spec ification if necessary 4 When fitting the plug wipe off any dirt from the threads and then screw it in to the correct torque TIP 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 EMU37450 Che...

Page 69: ...d re quires adjustment consult a Yamaha dealer or other qualified mechanic 2 Verify whether the idle speed is set to specification For idle speed specifica tions see page 13 EMU29050 Checking water in engine oil tank Oil injection models There is a water trap at the bottom of the en gine oil tank If water or foreign matter is vis ible in this trap consult your Yamaha dealer EMU29112 Checking wirin...

Page 70: ...peller shaft oil seal for dam age EMU30661 Removing propeller EMU29197 Spline models 1 Straighten the cotter pin and pull it out using a pair of pliers 2 Remove the propeller nut washer and spacer if equipped WARNING Do not use your hand to hold the propel ler when loosening the propeller nut EWM01890 3 Remove the propeller washer if equipped and thrust washer EMU30671 Installing propeller EMU2923...

Page 71: ... fastened to the transom or a stable stand You could be severely injured if the outboard motor falls on you Never get under the lower unit while it is tilted even when the tilt support lever or knob is locked Severe injury could occur if the outboard motor accidental ly falls 1 Tilt the outboard motor so that the gear oil drain screw is at the lowest point pos sible 2 Place a suitable container un...

Page 72: ...screw Insert and tighten the gear oil drain screw EMU29312 Inspecting and replacing anode s Yamaha outboard motors are protected from corrosion by sacrificial anodes Inspect the external anodes periodically Remove scales from the surfaces of the anodes Consult a Yamaha dealer for replacement of external anodes NOTICE ECM00720 Do not paint anodes as this would render them ineffective TIP Inspect gr...

Page 73: ...t is equipped with the digital speedome ter the voltmeter and low battery alert functions will help you monitor the bat tery s charge If the battery needs charg ing consult your Yamaha dealer 3 Check the battery connections They should be clean secure and covered by an insulating cover WARNING Bad connections can produce shorting or arcing and cause an explosion EWM01910 EMU29333 Connecting the ba...

Page 74: ...E If they are left on the electrical system can be damaged ECM01930 2 Disconnect the negative cable s from the negative terminal NOTICE Al ways disconnect all negative ca bles first to avoid a short circuit and damage to the electrical system ECM01940 3 Disconnect the positive cable s and re move the battery from the boat 4 Clean maintain and store the battery according to the manufacturer s instr...

Page 75: ...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 43 Q Has fuel pump malfunctioned A Have serviced by a Yamaha deal...

Page 76: ...erviced by a Yamaha dealer Q Is air vent screw on fuel tank closed A Open air vent screw Q Is choke knob pulled out A Return to home position Q Is motor angle too high A Return to normal operating position Q Is carburetor clogged A Have serviced by a Yamaha dealer Q Is fuel joint connection incorrect A Connect correctly Q Is throttle valve adjustment incorrect A Have serviced by a Yamaha dealer Q ...

Page 77: ...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 s...

Page 78: ...amaha dealer EMU29433 Temporary action in emergency EMU29440 Impact damage WARNING EWM00870 The outboard motor can be seriously damaged by a collision while operating or trailering Damage could make the out board motor unsafe to operate If the outboard motor hits an object in the wa ter follow the procedure below 1 Stop the engine immediately 2 Inspect the control system and all com ponents for da...

Page 79: ... 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 cure place on your clothing or your arm or leg while operating the boat Do not attach the cord to clothing that could tear loose Do not route the cord where it could become entangled ...

Page 80: ...the starter flywheel cover after removing the bolt s 4 Prepare the engine for starting For fur ther information see page 43 Be sure the engine is in neutral and that the clip is attached to the engine shut off switch The main switch must be on if equipped 5 If equipped the choke knob pull out it when the engine is cold After the engine starts gradually return the choke knob to its home position as...

Page 81: ...orming this procedure NOTICE ECM00901 If the emergency switch is held up too long too much oil will be pumped into the engine oil tank overflowing it Re lease the switch when oil reaches the upper level line on the engine oil tank Do not use this emergency procedure unless the oil level alert indicators are working 1 Remove the top cowling 2 Turn on the main switch 3 Lift the emergency switch to p...

Page 82: ...mergency cowling release wire coming out of the hole on the side of the pilot hole in the bottom cowling to re lease the port side rear lock 3 Lift the port side of the top cowling to pull out the emergency cowling release wire from the port side of the bottom cowling 4 Pull the emergency cowling release wire to release the starboard side rear lock NOTICE Be sure the problem with the cowling lock ...

Page 83: ...77 Consumer information EMU29811 Important warranty information for U S A and Canada ...

Page 84: ...Consumer information 78 ...

Page 85: ...Consumer information 79 EMU29820 YAMAHA MOTOR CORPORATION U S A OUTBOARD MOTOR TWO YEAR LIMITED WARRANTY ...

Page 86: ...Consumer information 80 ...

Page 87: ...Consumer information 81 ...

Page 88: ...Consumer information 82 EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA ...

Page 89: ...6N6 9 1H Hyoshi 08 2 21 9 42 ページ 3 ...

Page 90: ...Printed in Japan April 2008 0 3 1 Printed on recycled paper 6N6 9 1H Hyoshi 08 2 21 9 42 ページ 4 ...

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