Yamaha Z150 Owner'S Manual Download Page 62

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Maintenance

EMU28931

Greasing

Yamaha marine grease (Water resistant grease)

Z150. LZ150, Z175, Z200, LZ200

EMU28952

Cleaning and adjusting spark plug

WARNING

EWM00560

When removing or installing a spark plug,
be careful not to damage the insulator. A
damaged insulator could allow external

sparks, which could lead to explosion or

fire.

The spark plug is an important engine com-
ponent and is easy to inspect. The condition
of the spark plug can indicate something
about the condition of the engine. For exam-

ZMU04724

2019 Yamaha Motor Corporation, U.S.A.

Summary of Contents for Z150

Page 1: ...Z150 LZ150 Z175 Z200 LZ200 OWNER S MANUAL 68F 28199 18 U S A Edition LIT 18626 06 65 68F 9 18 Hyoshi 4 22 05 4 19 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 68F 9 18 Hyoshi 4 22 05 4 19 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: ...l precautions that must be taken to avoid damage to the outboard motor NOTE A NOTE provides key information to make procedures easier or clearer Yamaha continually seeks advancements in product design...

Page 4: ...ab with anode 17 Tilt support lever for power trim and tilt or hydro tilt model 18 Top cowling lock levers 18 Flushing device 18 Tachometer 19 Digital tachometer 19 Oil level indicators three indicato...

Page 5: ...55 Greasing 56 Cleaning and adjusting spark plug 56 Checking fuel system 57 Inspecting fuel filter 58 Cleaning fuel filter 58 Inspecting idling speed 59 Checking water in engine oil tank 59 Checking w...

Page 6: ...Table of contents YOUR YAMAHA OUTSIDE THE USA OR CANADA 82 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 7: ...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 8: ...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 9: ...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 10: ...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 11: ...bel WARNING EWM01411 Hot surface under this cover during and after operation To avoid burns do not touch finned resistor with bare hands EMU25465 Caution labels EMU30430 Label CAUTION ECM01440 USE UNL...

Page 12: ...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 13: ...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 14: ...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 15: ...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 16: ...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 17: ...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 18: ...18 1 2 3 4 9 10 8 6 5 7 2 19 16 17 ZMU04850 1 Top cowling 2 Top cowling lock lever s 3 Trim tab anode 4 Propeller 5 Cooling water inlet 6 Anti cavitation plate 7 Anode 8 Tilt support lever 9 Flushing...

Page 19: ...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 20: ...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 21: ...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 22: ...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 23: ...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 24: ...the cowling check to be sure it fits properly in the rubber seal Then lock the cowling again by moving the levers downward CAUTION ECM00550 The air intake grille on the top cowling is not designed as...

Page 25: ...ndicators only operate when the en gine is equipped with the appropriate func tions EMU26540 Oil level indicators three indicators The indicators on the gauge show the status of the oil level For deta...

Page 26: ...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 27: ...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 28: ...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 29: ...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 30: ...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 31: ...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 32: ...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 33: ...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 34: ...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 35: ...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 36: ...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 37: ...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 EMU27101 Preoperation checks WARNING EWM0...

Page 38: ...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 39: ...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 40: ...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 41: ...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 42: ...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 43: ...g the lanyard during normal operation Loss of en gine power means the loss of most steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boa...

Page 44: ...ECM00511 A continuous flow of water from the cool ing water pilot hole shows that the water pump is pumping water through the cool ing passages If water is not flowing out of the hole at all times wh...

Page 45: ...d an accident Tiller control 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 ne...

Page 46: ...t in the water Correct trim angle will help im prove performance and fuel economy while reducing strain on the engine Correct trim angle depends upon the combination of boat engine and propeller Corre...

Page 47: ...the engine off 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 wit...

Page 48: ...gh the water decreasing fuel economy and making it hard to increase speed Oper ating with excessive trim in at higher speeds also makes the boat unstable Resistance at the bow is greatly increased hei...

Page 49: ...f equipped because this could break the handle EMU28005 Procedure for tilting up Power trim and tilt models power tilt models 1 Place the remote control lever the gear shift lever in neutral 2 Disconn...

Page 50: ...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 51: ...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 52: ...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 53: ...d in neutral LZ150TR 700 30 r min LZ200TR 700 30 r min Z150TR 700 30 r min Z175TR 750 30 r min Z200TXR 700 30 r min Z200TLR 750 30 r min Engine Type 2 stroke V Displacement 2596 0 cm3 158 41 cu in Bor...

Page 54: ...nt fuel from leaking USE CARE when transporting fuel tank whether in a boat or car DO NOT fill fuel container to maximum capacity Gasoline will expand consid erably as it warms up and can build up pre...

Page 55: ...motor body using fresh water For further information see page 52 2 Fill the fuel tank with fresh fuel and add one ounce of Yamaha Fuel Conditioner and Stabilizer Part No LUB FUELC 12 00 to each gallon...

Page 56: ...available from your Yamaha dealer EMU28410 Lubrication oil injection models 1 Grease the spark plug threads and in stall the spark plug s and torque to proper specification For information on spark pl...

Page 57: ...OUT OF REACH OF CHILDREN Batteries vary among manufacturers There fore the following procedures may not al ways apply Consult your battery manufacturer s instructions Procedure 1 Disconnect and remov...

Page 58: ...e outboard motor After use wash the exterior of the outboard motor with fresh water Flush the cooling system with fresh water NOTE For cooling system flushing instructions see page 48 EMU28460 Checkin...

Page 59: ...nt parts are necessary use only genuine Yamaha parts or parts of the same type and of equivalent strength and materi als Any part of inferior quality may malfunc tion and the resulting loss of control...

Page 60: ...Every 10 hours 1 month 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...

Page 61: ...pump oil level Inspection 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 hour...

Page 62: ...stalling 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...

Page 63: ...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 wre...

Page 64: ...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 whi...

Page 65: ...outboard motor is in the water A flushing attachment or test tank can be used A diagnostic tachometer should be used for this procedure Results may vary depending on whether testing is conducted with...

Page 66: ...lt support lever is locked Severe injury could occur if the outboard motor accidentally falls Make sure no one is under the outboard motor before performing this test 1 Check the power trim and tilt u...

Page 67: ...ously injured if the en gine accidentally starts when you are near the propeller Before inspecting removing or install ing the propeller remove the spark plug caps from the spark plugs Also place the...

Page 68: ...the shear pin must be replaced EMU30660 Removing the propeller EMU29194 Spline models 1 Straighten the cotter pin and pull it out using a pair of pliers 2 Remove the propeller nut washer and spacer i...

Page 69: ...propeller shaft hole after tightening to the specified torque tighten the nut further to align it with the hole EMU29281 Changing gear oil WARNING EWM00800 Be sure the outboard motor is securely fast...

Page 70: ...ing 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...

Page 71: ...open flames for example welding equipment lighted cigarettes and so on DO NOT SMOKE when charging or han dling batteries KEEP BATTERIES AND ELECTROLYTIC FLUID OUT OF REACH OF CHILDREN CAUTION ECM0036...

Page 72: ...battery and cables must be clean and properly connected or the battery will not start the engine Connect the RED lead to the POSITIVE terminal first Then connect the BLACK lead to the NEGATIVE termina...

Page 73: ...sh ing it with both hands If it is loose have it re paired by your Yamaha dealer EMU29400 Coating the boat bottom A clean hull improves boat performance The boat bottom should be kept as clean of ma r...

Page 74: ...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 75: ...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 76: ...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 77: ...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 78: ...blown charging capabili ty will be insufficient and the engine will not start NOTE Consult your Yamaha dealer if the new fuse immediately blows again EMU29522 Power trim and tilt power tilt will not...

Page 79: ...ld tear loose Do not route the cord where it could become entangled preventing it from functioning Avoid accidentally pulling the lanyard during normal operation Loss of en gine power means the loss o...

Page 80: ...allowed to drop too low the red segment will appear on the oil level indi cator the buzzer will sound and engine speed will be limited to about 2000 r min If this happens a reserve amount of oil can b...

Page 81: ...ed up more than 35 Put the engine in the upright position not tilted before using the emergency switch EMU29760 Treatment of submerged motor If the outboard motor is submerged immedi ately take it to...

Page 82: ...the intake manifold and spark plug holes while cranking with the emergency start er rope 5 Take the outboard motor to a Yamaha dealer as soon as possible CAUTION ECM00400 Do not attempt to run the ou...

Page 83: ...77 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 84: ...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 85: ...Consumer information 79 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 86: ...Consumer information 80 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 87: ...Consumer information 81 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 88: ...Consumer information 82 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 89: ...Printed in Japan May 2005 0 2 1 Printed on raecycled paper 68F 9 18 Hyoshi 4 22 05 4 19 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 90: ...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 91: ...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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Summary of Contents for Z150

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Yamaha Z150, Owner'S Manual

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Summary of Contents for Z150

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