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Maintenance

EMU28522

Maintenance chart

Frequency of maintenance operations may be adjusted according to the operating condi-
tions, but the following table gives general guidelines. Refer to the sections in this chapter for
explanations of each owner-specific action.

NOTE:

When operating in salt water, turbid or muddy water, the engine should be 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

10 hours

(1 month)

50 hours

months)

100

hours (6
months)

200

hours (1

year)

Anode(s) (external)

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

Inspection

PCV (Pressure Con-
trol Valve)

Inspection

Power trim and tilt unit

Inspection

Propeller and cotter pin

Inspection / replace-
ment

Shift link / shift cable

Inspection / adjustment

Thermostat

Inspection / replace-
ment

Throttle link / throttle
cable / throttle pick-up
timing

Inspection / adjustment

Throttle position sen-
sor

Inspection / adjustment

✩✱✣✬✤✧✲✣ ✦

2019 Yamaha Motor Corporation, U.S.A.

Содержание Z250

Страница 1: ...Z250 LZ250 Z300 LZ300 OWNER S MANUAL 6D0 28199 14 U S A Edition LIT 18626 06 66 6D0 9 14 Hyoshi 4 25 05 5 06 PM Page 1 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A...

Страница 2: ...EMU25071 ZMU01690 Read this owner s manual carefully before operating your outboard motor 6D0 9 14 Hyoshi 4 25 05 5 06 PM Page 2 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A...

Страница 3: ...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...

Страница 4: ...type 17 Trim tab with anode 17 Tilt support lever for power trim and tilt or hydro tilt model 18 Top cowling lock lever pull up type 18 Flushing device 18 Tachometer 19 Digital tachometer 19 Oil level...

Страница 5: ...aintenance chart additional 54 Greasing 55 Cleaning and adjusting spark plug 55 Checking fuel system 56 Inspecting fuel filter 57 Cleaning fuel filter 57 Inspecting idling speed 58 Checking water in e...

Страница 6: ...he 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 EMU25221 Emission control...

Страница 7: ...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 EMU...

Страница 8: ...mage but also adversely affect fuel consumption Consult your dealer for correct use Never operate after drinking alcohol or tak ing drugs About 50 of all boating fatali ties involve intoxication Have...

Страница 9: ...illegally discard empty containers used to replace or replenish oil For the correct processing of empty containers consult the dealer where you purchased the oil When replacing oils used to lubricate...

Страница 10: ...o not add gasoline to the oil tank Fire explosion could result EMU25465 Caution labels EMU30430 Label CAUTION ECM01440 USE UNLEADED STRAIGHT GASOLINE ONLY Gasoline containing lead can cause performanc...

Страница 11: ...a way that the operator of the other vessel can see what you are doing The general prudential rule This rule is called Rule 2 in the International Rules and says In obeying and construing these rules...

Страница 12: ...ng your boat around oth er vessels Narrow channels and bends When navigating in narrow channels you should keep to the right when it is safe and practical to do so If the operator of a power driven ve...

Страница 13: ...ight side when proceeding from open wa ter 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...

Страница 14: ...t smoke when refueling and keep away from sparks flames or other sources of ignition Stop engine before refueling Refuel in a well ventilated area Refuel portable fuel tanks off the boat Take care not...

Страница 15: ...does not recommended gasohol containing methanol because it can cause fuel system damage or engine performance problems EMU25660 Engine oil Use Yamalube 2 M outboard oil If Ya malube 2 M is not availa...

Страница 16: ...ers stock a range of propellers and can advise you and install a propeller on your outboard that is best suited to your ap plication NOTE Select a propeller which will allow the engine to reach the mi...

Страница 17: ...N SYNC TTL FUEL MANAGEMENT 13 14 15 16 17 18 19 20 21 1 2 9 10 8 7 6 5 3 4 12 11 2 ZMU04929 1 Top cowling 2 Top cowling lock lever s 3 Trim tab anode 4 Propeller 5 Cooling water inlet 6 Anti cavitatio...

Страница 18: ...utral 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 lan...

Страница 19: ...fter 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...

Страница 20: ...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...

Страница 21: ...hen tilts it up Pressing the switch down tilts the outboard mo tor down and trims it down When the switch is released the outboard motor will stop in its current position NOTE For instructions on usin...

Страница 22: ...g the power trim and tilt switches see pages 40 and 42 EMU26241 Trim tab with anode The trim tab should be adjusted so that the steering control can be turned to either the right or left by applying t...

Страница 23: ...ft off the cowling When installing the cowling check to be sure it fits properly in the rubber seal Then lock the cowling by moving the lever s down ward EMU26460 Flushing device This device is used t...

Страница 24: ...ed with the appropriate func tions EMU26540 Oil level indicators three indicators The indicators on the gauge show the status of the oil level For details on how to read the indicators see page 35 CAU...

Страница 25: ...er information on reading the indicator see page 26 CAUTION ECM00050 Do not continue to run the engine if the overheat warning indicator is on Serious engine damage will occur EMU26600 Speedometer dig...

Страница 26: ...Trim meter digital type This meter shows the trim angle of your out board motor NOTE Memorize the trim angles that work best for your boat under different conditions Adjust the trim angle to the desi...

Страница 27: ...ry power The stored data will be lost if the battery is disconnected EMU26700 Clock Press the mode button repeatedly until the indicator on the face of the gauge points to time To set the clock be sur...

Страница 28: ...ed Get back to the port within troll ing engine speed EMU26730 Low battery voltage warning indicator If battery voltage drops the display will auto matically turn on and begin to blink CAUTION ECM0087...

Страница 29: ...the port engine A for port will also be displayed Press the set button a third time to return the display to the total fuel flow of both engines for port and starboard will also be displayed to indica...

Страница 30: ...speedometer and fuel management meter calculates speed miles traveled and fuel economy by water movement at the stern of the boat This distance can vary greatly from the actual distance traveled beca...

Страница 31: ...nsult your Yamaha dealer if the problem can not be located and corrected EMU26823 Overheat warning twin engines This engine has an overheat warning device If the engine temperature rises too high the...

Страница 32: ...ng turn off the main switch of the engine over heating EMU26845 Oil level warning and oil filter clogging warning Oil injection models This engine has an oil level warning system If the oil level fall...

Страница 33: ...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 ZMU...

Страница 34: ...e 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 combinat...

Страница 35: ...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 instr...

Страница 36: ...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 EMU27102 Preoperation checks WARNING EWM0...

Страница 37: ...g 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 clo...

Страница 38: ...n chamber When enough de posits collect piston rings begin sticking Performance drops and engine wear in creases dramatically While many additives available may reduce deposits Yamaha recommends the u...

Страница 39: ...ded 2 Turn on the main switch The Yamaha oil injection system will automatically feed oil from the remote oil tank to the engine oil tank 3 Operate the engine normally CAUTION ECM00570 When the engine...

Страница 40: ...Imp qt 1500 cm3 1 6 US qt 1 31 Imp qt or less Add oil see page 33 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...

Страница 41: ...ich 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 ve...

Страница 42: ...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 automatical...

Страница 43: ...e is running overheating and serious dam age 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 deal...

Страница 44: ...ol models 1 Place the throttle grip in the fully closed position 2 Move the gear shift lever quickly and firmly from neutral to reverse Remote control models 1 Pull up the neutral interlock trigger if...

Страница 45: ...nomy while reducing strain on the engine Correct trim angle depends upon the combination of boat engine and propeller Correct trim is also affected by variables such as the load in the boat sea condit...

Страница 46: ...that works best for your boat and operating conditions NOTE To adjust the trim angle while the boat is moving use the power trim and tilt switch lo cated on the remote control device or tiller handle...

Страница 47: ...epending on the type of boat the outboard motor trim angle may have little effect on the trim of the boat when operating EMU27933 Tilting up and down If the engine will be stopped for some time or if...

Страница 48: ...power tilt models 1 Place the remote control lever the gear shift lever in neutral 2 Disconnect the fuel line from the out board motor or close the fuel cock 3 Press the power trim and tilt switch pow...

Страница 49: ...ds complete ly during mooring This protects the rods from marine growth and corrosion which could damage the power trim and tilt mechanism EMU28053 Procedure for tilting down Power trim and tilt model...

Страница 50: ...position as soon as the boat is back in deeper water CAUTION ECM00260 Do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of the water when set ti...

Страница 51: ...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 48 Cruising in turbid water Yamaha stron...

Страница 52: ...speed in neutral LZ250TR 700 30 r min LZ300TR 730 30 r min Z250TR 700 30 r min Z300TR 730 30 r min Engine Type 2 stroke V Displacement 3342 0 cm3 203 93 cu in Bore stroke 93 0 82 0 mm 3 66 3 23 in Ig...

Страница 53: ...car DO NOT fill fuel container to maximum capacity Gasoline will expand consid erably as it warms up and can build up pressure in the fuel container This can cause fuel leakage and a potential fire ha...

Страница 54: ...o each gallon of fuel NOTE The use of Yamaha Fuel Conditioner and Stabilizer eliminates the need to drain the fuel system Consult your Yamaha dealer or other qualified mechanic if the fuel system is t...

Страница 55: ...remote oil tank it may be necessary to manually override the control unit to completely fill the engine oil tank 3 Change the gear oil For instructions see page 62 Inspect the oil for the pres ence o...

Страница 56: ...ing 2 Clean the battery casing and terminals Fill each cell to the upper level with dis tilled water 3 Store the battery on a level surface in a cool dry well ventilated place out of di rect sunlight...

Страница 57: ...and paint the areas A touch up paint is avail able from your Yamaha dealer EMU28486 Periodic maintenance WARNING EWM01070 Be sure to turn off the engine when you perform maintenance unless otherwise...

Страница 58: ...onth 50 hours 3 months 100 hours 6 months 200 hours 1 year Anode s external Inspection replace ment Anode s internal Inspection replace ment Battery Inspection charging Cooling water pas sages Cleanin...

Страница 59: ...on filling Oil pump Inspection adjustment Oil tank water drain Inspection cleaning Spark plug s Cleaning adjustment replacement Item Actions Every 500 hours 2 5 years 1000 hours 5 years High pressure...

Страница 60: ...lling 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...

Страница 61: ...f 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...

Страница 62: ...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...

Страница 63: ...ine and check the filter and lines for leaks 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 EMU29041 Inspecting idling speed...

Страница 64: ...Start the engine and check that no exhaust leaks from the joints between the exhaust cover cylinder head and body cylinder EMU29130 Water leakage Start the engine and check that no water leaks from t...

Страница 65: ...ilt sup port lever 8 Tilt the outboard motor down Check that the tilt rod and trim rods operate smoothly NOTE Consult your Yamaha dealer if any operation is abnormal EMU29171 Checking propeller WARNIN...

Страница 66: ...k the splines shear pin for wear or damage Check for fish line tangled around the pro peller shaft Check the propeller shaft oil seal for dam age NOTE If the shear pin equipped it is designed to break...

Страница 67: ...the propeller shaft 3 Install the spacer and washer Tighten the propeller nut to the specified torque 4 Align the propeller nut with the propeller shaft hole Insert a new cotter pin in the hole and be...

Страница 68: ...oil begins to flow out of the oil level plug hole insert and tighten the oil level plug 7 Insert and tighten the gear oil drain screw EMU29312 Inspecting and replacing anode s Yamaha outboard motors a...

Страница 69: ...es of water or milk followed by milk of magnesia beaten egg or vegetable oil Get immediate medical attention Batteries also generate explosive hydro gen gas therefore you should always follow these pr...

Страница 70: ...the battery cables will dam age the electrical parts Connect the red battery cable first when installing the battery and discon nect the black battery cable first when removing it Otherwise the elect...

Страница 71: ...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 in...

Страница 72: ...aler 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 fr...

Страница 73: ...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 c...

Страница 74: ...ect 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...

Страница 75: ...otor 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 procedu...

Страница 76: ...tilt power 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 th...

Страница 77: ...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...

Страница 78: ...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 fue...

Страница 79: ...74 Consumer information EMU29811 Important warranty information for U S A and Canada 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A...

Страница 80: ...Consumer information 75 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A...

Страница 81: ...Consumer information 76 EMU29820 YAMAHA MOTOR CORPORATION U S A OUTBOARD MOTOR TWO YEAR LIMITED WARRANTY 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A...

Страница 82: ...Consumer information 77 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A...

Страница 83: ...Consumer information 78 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A...

Страница 84: ...Consumer information 79 EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A...

Страница 85: ...Printed in Japan May 2005 0 4 1 Printed on recycled paper 6D0 9 14 Hyoshi 4 25 05 5 06 PM Page 4 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A...

Страница 86: ...ND SERIAL NUMBER From I D label on clamp bracket MOD LE ET NO DE S RIE DU MOTEUR HORS BORD sur l tiquette d identification de la presse de fixation For Dealer Use Only A l usage du concessionnaire YAM...

Страница 87: ...PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT Warranty card 04 2 17 03 2 41 PM Page 2 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A...

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