Yamaha SX225A, Owner'S Manual

Page 1: ...LIT 18626 04 64 SX225A LX225A SX250A LX250A OWNER S MANUAL U S A Edition...

Page 2: ......

Page 3: ...ions that must be taken to avoid damage to the outboard motor NOTE A NOTE provides key information to make procedures easier or clearer Yamaha continually seeks advance ments in product design and qua...

Page 4: ...E CONTENTS GENERAL INFORMATION BASIC COMPONENTS OPERATION MAINTENANCE TROUBLE RECOVERY INDEX 1 2 3 4 5 6 READ THIS OWNER S MANUAL CAREFULLY BEFORE OPERATING YOUR OUTBOARD MOTOR EMA20010...

Page 5: ...serial number 1 1 Key number 1 1 EMISSION CONTROL INFORMATION 1 2 SAFETY INFORMATION 1 3 IMPORTANT LABELS 1 5 BASIC BOATING RULES 1 6 FUELING INSTRUCTIONS 1 10 Gasoline petrol 1 10 Engine oil 1 11 BA...

Page 6: ...IFICATION NUMBERS RECORD EMU00007 OUTBOARD MOTOR SERIAL NUMBER The outboard motor serial number is stamped on the label attached to the port side of the clamp bracket Record your outboard motor serial...

Page 7: ...bracket or the swivel bracket 2 Manufactured date label EMISSION CONTROL INFORMATION ENGINE FAMILY THIS ENGINE CONFORMS TO 2001 U S EPA REGULATIONS FOR MARINE SI ENGINES THIS ENGINE CONFORMS TO 2001 C...

Page 8: ...ly Make sure there are no gas fumes or leaking fuel before starting the engine 8 This product emits exhaust gases which contain carbon monoxide a colorless odorless gas which may cause brain damage or...

Page 9: ...organiza tions including the following United States Coast Guard Consumer Affairs Staff G BC Office of Boating Public and Consumer Affairs U S Coast Guard Headquarters Washington D C 20593 0001 Boati...

Page 10: ...Keep hands hair and clothes away from flywheel 6and other rotating parts while engine is running 6A1 83625 41 WARNING Hot surface under this cover during and after operation To avoid burns do not touc...

Page 11: ...ccur unless both vessels try to avoid each other If that is the case both vessels become Give Way vessels EMB40010 BASIC BOATING RULES Rules of the road Just as there are rules which apply when you ar...

Page 12: ...run the risk of collision neither of you has the right of way Both of you should alter course to avoid an accident You should keep the other vessel on your port left 102045 side This rule doesn t appl...

Page 13: ...d orange boarders They signify speed zones restricted areas danger areas and general information of its way until you are clear of it Likewise if another vessel is passing you you should maintain your...

Page 14: ...old new old new LIGHTED BUOY Starboard Hand 2 4 6 Even number increasing toward head of naviga tion Leave to starboard right proceeding up stream White Light Red Light A LIGHTED SAFE WATER BUOY No nu...

Page 15: ...l tank 8 Tighten the filler cap securely after refueling 8 If you should swallow some gasoline inhale a lot of gasoline vapor or get gasoline in your eyes get immediate medical attention 8 If any gaso...

Page 16: ...does not exceed 10 and the fuel meets minimum octane ratings Gasohol containing methanol is not recommended by Yamaha because it can cause fuel system damage or engine performance prob lems cC 8 Use...

Page 17: ...cations If any electrical accessories are used use a second battery to power them Choose a battery with the same capacity as the one for the engine If the engine s battery voltage drops approximately...

Page 18: ...nstall a propeller on your outboard that is best suited to your application NOTE At full throttle and under a maximum boat load the engine s rpm should be within the upper half of the full throttle op...

Page 19: ...amaha outboard motors or Yamaha approved remote control units are equipped with start in gear protection device s This feature permits the engine to be started only when it is Neutral Always select Ne...

Page 20: ...E MEMO...

Page 21: ...te control 2 2 Trim tab 2 7 Power trim tilt switch 2 8 Tilt support lever 2 8 Digital tachometer 2 9 Digital speedometer 2 12 Fuel management meter 2 15 Top cowling release lever 2 19 Flushing device...

Page 22: ...4 Anti cavitation plate 5 Trim tab Anode 6 Propeller 7 Cooling water inlet 8 Anode 9 Clamp bracket 0 Power trim and tilt unit q Cowling release lever w Top cowling e Cooling water pilot hole r Remote...

Page 23: ...ed by the remote control lever In addi tion the electrical switches are mounted on the remote control box Side mount remote control box Binnacle mount remote control box Switch panel for use with 1 Re...

Page 24: ...tral 2 Forward 3 Reverse 4 Shift 5 Fully closed 6 Throttle 7 Fully open EMC50210 Neutral throttle lever To open the throttle without shifting into either Forward or Reverse place the remote control le...

Page 25: ...s The power trim tilt adjusts the motor angle in relation to the transom The power trim tilt switch is located on the remote control lever grip Individual engine switches are also on the control cover...

Page 26: ...t from running away under power w 8 Attach the engine stop switch lanyard to a secure place on your clothing your arm or leg while operating 8 Do not attach the lanyard to clothing that could tear loo...

Page 27: ...rn counterclockwise 702035 EMC81110 Free accelerator To open the throttle without shifting into either Forward or Reverse push the free accelerator button and turn the remote control lever NOTE 8 The...

Page 28: ...d to be sure steering is correct Be sure you have tightened the bolt after adjusting the trim tab 1 Trim tab 2 Bolt 3 Cap cC The trim tab also serves as an anode to protect the engine from electroche...

Page 29: ...s current position w Use the power trim tilt switch located on the bottom engine cowling only when the boat is at a complete stop with the engine off Attempting to use the cowl ing mounted power trim...

Page 30: ...cator and the overheat warning indicator 1 Tachometer 2 Trim meter 3 Hour meter 4 Oil level indicator 5 Overheat warning indicator 6 Set button 7 Mode button NOTE All segments of the display will ligh...

Page 31: ...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 a...

Page 32: ...r cC Do not operate the engine without oil Serious engine damage will occur EMU01553 Overheat Warning Indicator If the engine temperature rises too high the warning indicator will start to blink Refer...

Page 33: ...witch For speed unit 3 Selector switch For fuel sender EMD40012 DIGITAL SPEEDOMETER This meter contains the speedometer fuel meter with warning trip meter clock and voltmeter with warning 1 Speedomete...

Page 34: ...n again to start the clock NOTE The clock operates on battery power Disconnecting the battery will stop the clock Reset the clock after connecting the battery EMU01274 Trip Meter This meter displays t...

Page 35: ...this manual Consult a Yamaha dealer if the problem cannot be located and corrected EMD40310 Fuel meter The fuel level is displayed by eight seg ments When all segments are showing the fuel is full cC...

Page 36: ...gine speed synchronizer 3 Water separator warning indicator Operates only if the sensor has been installed NOTE After the main switch is first turned on all portions of the meter come on as a check Af...

Page 37: ...utton again the meter will display fuel flow of port side engine and P indication By pressing set button again the meter will display total fuel flow NOTE 8 The meter displays gallon hour and liter de...

Page 38: ...s air temperature and humidity cleanliness of the boat bottom engine mounting height skill of the operator and individual gasoline formulation winter or summer fuel and amount of additives 8 The Yamah...

Page 39: ...oints to SYNC 1 Port side engine speed is higher 2 Port side engine speed is slightly higher 3 Engine speed is synchronized evenly between Port and Starboard side engines 4 Starboard side engine speed...

Page 40: ...ck 4 To make sure the cowling is locked properly push the cowling from each side If it lifts repeat step 3 cC Make sure the cowling lock connection cable is operating correctly before rein stalling th...

Page 41: ...EMU01146 FLUSHING DEVICE This device 1 is used to clean the cooling water passages of the motor using a gar den hose and tap water NOTE Refer to Cleaning Cooling water Passages in Chapter 4 for instru...

Page 42: ...other engine to slow down and the buzzer to sound For the other engine the warning system can be released by shifting the remote control lever into the neutral 2 21 EMD80010 WARNING SYSTEM cC Do not...

Page 43: ...or oil filter clogging is simi lar to the warnings for low oil level and overheating For easy troubleshooting it is advisable to check for engine overheating first then oil level and finally oil filte...

Page 44: ...E MEMO...

Page 45: ...8 Operation after a long period of storage 3 9 BREAKING IN RUNNING IN ENGINE 3 10 STARTING ENGINE 3 12 WARMING UP ENGINE 3 15 SHIFTING 3 16 Forward 3 16 Reverse 3 16 STOPPING ENGINE 3 17 TRIMMING OUT...

Page 46: ...rne water spray while the boat is cruising Severe engine damage may result if the motor is operated continuously in the presence of airborne water spray NOTE During water testing check the buoyancy of...

Page 47: ...and the specific boat motor com bination 8 Your dealer or other person experi enced in proper rigging should mount the motor If you are mounting the motor yourself you should be trained by an experien...

Page 48: ...mounting height is too high cavitation tends to occur thus reducing the propulsion and if the pro peller tips cut the air the engine speed will rise abnormally and cause the engine to overheat If the...

Page 49: ...gasoline has changed the amount of additives such as aromatics and oxy genates has increased These additives are important for the engines in passen ger cars but they can have detrimental effects in m...

Page 50: ...e engine oil into the engine oil tank proceed as follows w Do not add gasoline Petrol into the oil tank Fire or explosion could result E 3 5 ON START OFF 701024 ON START OFF 701052 Engine oil tank cap...

Page 51: ...ed 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 wit...

Page 52: ...0 26 Imp qt or less More than 300 cm3 0 32 US qt 0 26 Imp qt 300 cm3 0 32 US qt 0 26 Imp qt or less More than 1 500 cm3 1 6 US qt 1 31 Imp qt More than 1 500 cm3 1 6 US qt 1 31 Imp qt 1 500 cm3 1 6 US...

Page 53: ...il 8 Check to be sure you have plenty of oil for your trip Controls 8 Check throttle shift and steering for prop er operation before starting the engine 8 The controls should work smoothly without bin...

Page 54: ...ywheel and other rotating parts while engine is running 3 Watch for oil flowing through the oil feed pipes After any air in the oil lines has been expelled YAMAHA PRECISION BLEND SYSTEM should supply...

Page 55: ...end System 8 After break in running in use gaso line petrol only If premix fuel is used continually the oxygen sensor for Electronic Fuel Injection system could be damaged cC Make sure to mix gasoline...

Page 56: ...ccelerate at full throttle onto plane then reduce engine speed to three quarter throttle approximately 4 000 r min Vary engine speed occasional ly Run at full throttle for one minute then allow about...

Page 57: ...way from open flames and sparks while loosening the air vent screw 8 This product emits exhaust gases which contain carbon monoxide a col orless odorless gas which may cause brain damage or death when...

Page 58: ...lock plate on the other end of the lanyard in the engine stop switch w 8 Attach the engine stop switch lanyard to a secure place on your clothing your arm or leg while operating 8 Do not attach the l...

Page 59: ...Turn the main switch to START and hold it for a maximum of 5 sec onds 8 Immediately after the engine starts release the main switch to return it to ON cC 8 Do not turn the main switch to START when th...

Page 60: ...tinuous flow of water from the pilot hole shows that the water pump is pumping water through the cooling pas sages If water is not flowing out of the pilot hole at all times while the engine is runnin...

Page 61: ...idles or runs at low speeds FORWARD Pull up the neutral interlock trigger If equipped and move the remote control lever quickly and firmly from Neutral to Forward REVERSE Pull up the neutral interloc...

Page 62: ...ely after operating at high speed is not recommended EMG41511 1 Turn the main switch to OFF NOTE The engine can also be stopped by pulling the lanyard from the engine stop switch then turning the main...

Page 63: ...t engine and propeller Correct trim is also affected by variables such as the load in the boat sea conditions and running speed w Excessive trim for the operating condi tions either trim up or trim do...

Page 64: ...itch located on the bottom engine cowling if equipped only when the boat is at a complete stop with the engine off The outboard motor trim angle can be adjusted operating the power trim tilt switch 1...

Page 65: ...t is pushing the water and there is more air drag Excessive trim up can cause the propeller to ventilate which reduces performance further When trimmed out too much a boat may porpoise hop in the wate...

Page 66: ...proce dures under STOPPING ENGINE Never tilt the motor while the engine is running Severe damage from overheating can result w Be sure all people are clear of the out board motor when adjusting the ti...

Page 67: ...upport lever toward you and support the engine w After tilting the engine be sure to sup port it with the tilt support lever Otherwise the engine could fall back down suddenly if oil in the power trim...

Page 68: ...MH60010 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 up with salt deposi...

Page 69: ...12 Cleaning fuel filter 4 13 Adjusting idling speed 4 14 Checking water trap under engine oil tank 4 15 Replacing fuse 4 16 Checking wiring and connectors 4 16 Exhaust leakage 4 16 Water leakage 4 16...

Page 70: ...25 2 768 30 2 237 522 242 534 9 Full throttle operating range r min 9 Maximum output kW HP 9 Idling speed in neutral r min 4 500 5 500 165 5 225 at 5 000 r min 675 725 ENGINE 9 Engine type Number of c...

Page 71: ...2 22 1 641 25 2 768 30 2 239 527 244 538 4 500 5 500 183 9 250 at 5 000 r min 675 725 Regular unleaded gasoline P O N minimum 86 YAMALUBE 2 STROKE OUTBOARD OIL or an equivalent TC W3 certified outboar...

Page 72: ...C Do not use the tilt support lever knob when trailering the boat The outboard motor could shake loose from the tilt support and fall If the motor can not be trailered in the down position use an addi...

Page 73: ...ing procedures can be performed by you the owner with a minimum of tools cC Do not use any chemical goods contain ing Silicon Phosphorus or Lead Otherwise the oxygen sensor for Electronic Fuel Injecti...

Page 74: ...dealer cC Avoid running the outboard at high speed while on the flushing attachment or overheating could occur w 8 Do not touch or remove electrical parts when starting or during operation 8 Keep hand...

Page 75: ...evel warning section 4 Change the lower unit oil Refer to CHANGING GEAR OIL Inspect the oil for the presence of water which indi cates a leaky seal Seal replacement should be performed by an authorize...

Page 76: ...entilate when charging or using in a closed space Always wear eye protection when working near batteries KEEP OUT OF REACH OF CHILDREN NOTE Batteries vary among manufacturers Therefore the following p...

Page 77: ...ha dealer for owners who have the mechanical skills tools and other equipment necessary to perform maintenance not covered by this owner s manual EMK33011 REPLACEMENT PARTS If replacement parts are ne...

Page 78: ...7 Cooling water passage Cleaning 4 5 4 27 Propeller and cotter pin Inspection Replacement 4 19 Battery Inspection every 4 23 month Throttle pick up timing Inspection Adjustment 1 Bolts and nuts Retigh...

Page 79: ...uld 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 remo...

Page 80: ...g a good esti mate of the correct torque is 1 4 to 1 2 a turn past finger tight Have the spark plug adjusted to the correct torque as soon as possible with a torque wrench 1 Spark plug gap 2 Spark plu...

Page 81: ...is found it should be repaired immediately by Yamaha dealer or other qualified mechan ic Checking points 8 Fuel system parts leakage 8 Fuel hose joint leakage 8 Fuel hose cracks or other damage 8 Fue...

Page 82: ...t be reassembled carefully with O ring filter cup and hoses in place Improper assembly can result in a fuel leak which could result in a fire or explosion hazard To clean the fuel filter 1 Loosen and...

Page 83: ...O ring 3 Filter cap 4 Ring nut 5 Filter housing NOTE If any water is in the fuel the red ring in the fuel filter unit will float If so remove the cup and drain the water EMK54110 ADJUSTING IDLING SPE...

Page 84: ...he idling speed and turning it counter clockwise to decrease the idling speed NOTE Correct idling speed adjustment is only possible if the engine is fully warmed up If not warmed up fully the speed se...

Page 85: ...and a fire hazard NOTE If the new fuse blows again immediately consult a Yamaha dealer 1 Fuse holder 2 Fuse 80A 2 20A EMK78010 CHECKING WIRING AND CONNECTORS 1 Check that each grounding wire is proper...

Page 86: ...E 4 17 EMU00366 GREASING Yamaha marine grease Water resistant grease...

Page 87: ...the tilt rod and trim rods are pushed out completely 4 Use the tilt support lever to lock the motor in the UP position Operate the tilt down switch briefly so the motor is supported the tilt support...

Page 88: ...if your boat has one 8 Do not use your hand to hold the pro peller when loosening or tightening the propeller nut Put a wood block between the cavitation plate and the propeller to prevent the propell...

Page 89: ...t washer before installing propeller otherwise lower case and propeller boss may be damaged 3 Tighten the propeller nut to the speci fied torque 4 Align the propeller nut with the pro peller shaft hol...

Page 90: ...njured if the outboard falls on you 2 Place a suitable container under the gearcase 3 Remove the oil drain plug NOTE The oil drain plug is magnetic Remove all metal particles from the plug before rein...

Page 91: ...the oil level plug 7 Insert and tighten in the oil drain plug E 4 22 603024 405016 Gear oil capacity Refer to SPECIFICATIONS Page 4 1 601033 EMM60001 INSPECTING AND REPLACING ANODE Yamaha outboard mot...

Page 92: ...ush with water 8 EYES Flush with water for 15 minutes and get immediate medical attention Antidote INTERNAL 8 Drink large quantities of water or milk followed by milk of magnesia beaten egg or vegetab...

Page 93: ...ys in a good state of charge Installing a voltmeter will help you monitor your battery If you will not use the boat for a month or more remove the battery from the boat and store it in a cool dark pla...

Page 94: ...first Then connect the BLACK lead to the NEGATIVE terminal 8 Using a single battery Connect both red cables 1 and 2 to the terminal w Do not leave cable 2 unconnected If it accidentally contacts the N...

Page 95: ...is desired con sult your YAMAHA dealer about correct wiring EMU01280 Disconnecting the Battery Disconnect the BLACK lead from the NEG ATIVE terminal first Then disconnect the RED lead from the POSITI...

Page 96: ...e right after opera tion for the most thorough flushing 1 After shutting off the engine unscrew the garden hose connector 2 from the fitting 1 on the bottom cowling 2 Screw the garden hose connector 2...

Page 97: ...ooling system flushing instructions in TRANSPORTING AND STORING OUTBOARD MOTOR EMU00412 Checking Painted Surface of Motor Check the motor for scratches nicks or flaking paint Areas with damaged paint...

Page 98: ...E MEMO...

Page 99: ...N IN EMERGENCY 5 5 Impact damage 5 5 Running single engine 5 5 Power trim tilt will not operate 5 6 Starter will not operate 5 7 Engine fails to operate 5 9 Low oil level warning activates 5 11 Top co...

Page 100: ...ad and repair Replace fuse with one of correct amperage 4 Have serviced by a Yamaha dealer 5 Attach lanyard 6 Shift to neutral B Engine will not start Starter operates 1 Fuel tank empty 2 Fuel contami...

Page 101: ...le valve adjustment incorrect 17 Battery lead disconnected 1 Inspect spark plug s Clean or replace with recommended type 2 Check for pinched or kinked fuel line or other obstructions in fuel system 3...

Page 102: ...ed 2 Propeller pitch or diameter incorrect 3 Trim angle incorrect 4 Motor mounted at incorrect height on transom 5 Warning system activated 6 Boat bottom fouled with marine growth 7 Spark plug s foule...

Page 103: ...ced by a Yamaha dealer 15 Check and replace oil with specified type 16 Have serviced by a Yamaha dealer 17 Open the air vent screw 18 Have serviced by a Yamaha dealer 19 Connect correctly 20 Inspect s...

Page 104: ...age is found or not found go back to a nearest harbor slowly and carefully 4 Have a Yamaha dealer inspection of the outboard motor before operating it again 102043 EMU00418 RUNNING SINGLE ENGINE Using...

Page 105: ...he power tilt because of a dis charged battery or a failure with the power tilt unit the engine can be tilted manually 1 Manual valve screw EMU00421 1 Loosen the manual valve screw coun terclockwise u...

Page 106: ...e does not oper ate Make sure the transmission is in neutral Otherwise the boat could unexpectedly start to move which could result in an accident 8 Be sure no one is standing behind you when pulling...

Page 107: ...ral times to inject some fuel into the combustion cham bers then put the switch in the ON position NOTE If the engine will not start with this proce dure refer to ENGINE FAILS TO OPER ATE 5 To start t...

Page 108: ...procedure w When the emergency circuit is used the engine may run faster than normal at idling and low speeds Be prepared slightly increased speeds when operating at low throttle settings cC 8 This e...

Page 109: ...emer gency connector The ignition timing advance circuit of the microcomputer is bypassed 1 CDI unit 2 Yellow White cord 3 Open the throttle slightly without shifting using the neutral throttle lever...

Page 110: ...too long too much oil will be pumped into the engine tank overflowing it Release the switch when oil reaches the upper level line on the engine oil tank 8 Do not use this emergency procedure unless th...

Page 111: ...le may be damaged or misadjusted 1 Pull the cowling release lever 1 to unlock the front lock 2 Pull the emergency cowling release wire 2 coming out of the hole on the side of the pilot hole in the bot...

Page 112: ...minimize engine damage 1 Thoroughly wash away mud salt seaweed etc with fresh water 2 Remove the spark plugs and face the spark plug holes downward to allow any water mud or contaminants to drain 3 D...

Page 113: ...E EMP00010 Chapter 6 INDEX INDEX 6 1 1 2 3 4 5 6...

Page 114: ...4 24 Cruising in other conditions 3 23 Cruising in salt water 3 23 Cruising in turbid water 3 23 D Digital speedometer 2 12 Digital tachometer 2 9 Disconnecting the battery 4 26 E Emission control in...

Page 115: ...4 Running single engine 5 5 S Safety information 1 3 Shifting 3 16 Specification data 4 1 Speedometer 2 12 Start in gear protection 1 14 Starter will not operate 5 7 Starting engine 3 12 Stopping engi...

Page 116: ...istration records are checked 2 Read the Limited Warranty statement which follows these instructions This warranty applies to Yamaha outboard motors sold in the United States whether purchased sepa ra...

Page 117: ...lable in one country may not be sold or serviced in the other 6 If you need any additional information about your Yamaha or warranty coverage which your dealer cannot provide please contact us directl...

Page 118: ...or purchased and registered for use in the United States only excluding its territo ries For warranty provisions outside the United States contact the particular country s local Yamaha distributor WAR...

Page 119: ...SO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE YAMAHA MOTOR CORPORATION U S A Post Office Box 6555 Cypress California 90630 WARRANTY QUESTIONS AND ANSWERS Q What costs are my responsibility durin...

Page 120: ...tion such as names addresses model engine serial number dates and receipts CHANGE OF ADDRESS The federal government requires each manufacturer of a motor vehicle to maintain a complete up to date list...

Page 121: ...l receive service If you need more information about your warranty coverage or your Yamaha outside the U S A or Canada please contact an autho rized Yamaha dealer in your country 2 Keep a copy of your...

Page 122: ...Printed in Japan March 2001 0 5 1 65J 28199 15 225FETO L225FETO 250BETO L250BETO E Printed on recycled paper...