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Yamaha Z250, Owner'S Manual

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Yamaha Z250 Owner'S Manual Download Page 62

 

Maintenance

 

57

 

Checkpoints

 

●

 

Fuel system parts leakage

 

●

 

Fuel line joint leakage

 

●

 

Fuel line cracks or other damage

 

●

 

Fuel connector leakage

 

EMU28980

 

Inspecting fuel filter

WARNING

 

EWM00310 

 

Gasoline is highly flammable, and its va-
pors are flammable and explosive.

 

●

 

If you have any question about properly
doing this procedure, consult your
Yamaha dealer.

 

●

 

Do not perform this procedure 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 in a fuel leak,
which could result in a fire or explosion

 

hazard.

 

EMU29012

 

Cleaning fuel filter

 

1.

Lift up and hold the locking tab to loosen
the filter cup ring nut.

ZMU01853

ZMU01955

✩✱✣✬✤✧✲✣ ✪   

©

2019 Yamaha Motor Corporation, U.S.A.

Summary of Contents for Z250

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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