EMU25110 Yamaha. If you have any question about the operation or maintenance of your outboard motor, please consult a Yamaha dealer. In this Owner’s Manual particularly important...
Table of contents General information ......1 Tachometer ........19 Digital tachometer ......19 Identification numbers record... 1 Oil level indicators Outboard motor serial number ..1 (three indicators) ......19 Key number........1 Oil level indicator (digital type) ..20 Emission control information ....
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Replacement parts ......52 IMPORTANT WARRANTY Maintenance chart ......54 INFORMATION IF YOU USE Maintenance chart (additional)..55 YOUR YAMAHA OUTSIDE Greasing ......... 56 U.S.A. OR CANADA ....82 Cleaning and adjusting spark plug .. 56 Checking fuel system ...... 57 Inspecting fuel filter ......
Record your outboard motor serial 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. 1. Key number...
General information particular label. ZMU01856 ZMU04745 EMU25261 Manufactured date label 1. Star labels location This label is attached to the clamp bracket or the swivel bracket. EMU25280 One Star—Low Emission The one-star label identifies engines that meet the Air Resources Board’s 2001 ex- haust emission standards.
General information the outboard should be equal to or less than the rated horsepower capacity of the boat. If the rated horsepower capacity of the boat is unknown, consult the dealer or boat manufacturer. Do not modify the outboard. Modifications could make the motor unfit or unsafe to use.
General information of the road” on page 5. EMU25380 Important labels Stay informed about the weather. Check EMU25395 weather forecasts before boating. Avoid Warning labels boating in hazardous weather. Tell someone where you are going: leave a Float Plan with a responsible person. Be sure to cancel the Float Plan when you re- turn.
General information propeller with this engine. EMU30430 Label Counterclockwise propellers are marked ECM01440 with a letter “L” after the size indication. CAUTION: The wrong type of propeller could cause USE UNLEADED STRAIGHT GASOLINE the boat to go in an unexpected direction, ONLY which could lead to an accident.
General information way; it is called the “stand-on” vessel. The could lead to a collision unless the Steering vessel which does not have the right-of-way Rules are followed: is called the “give-way” or “burdened” vessel. Meeting: (you are approaching another ves- These rules determine which vessel has the sel head-on) right-of-way, and what each vessel should...
General information EMU25530 Other special situations There are three other rules you should be aware of when driving 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.
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General information Reading buoys and other markers The waters of the United states are marked for safe navigation by the lateral system of buoyage. Simply put, buoys and markers have an arrangement of shapes, colors, numbers and lights to show which side of the buoy a boater should pass on when navigat- ing in a particular direction.
General information ZMU01708 EMU25540 away from sparks, flames, or other Fueling instructions sources of ignition. EWM00010 Stop engine before refueling. WARNING Refuel in a well-ventilated area. Refuel GASOLINE AND ITS VAPORS ARE HIGH- portable fuel tanks off the boat. LY FLAMMABLE AND EXPLOSIVE! Take care not to spill gasoline.
Gasohol containing ethanol can be used if ethanol content does not exceed 10% and the fuel meets minimum octane ratings. Yamaha does not recommended gasohol containing methanol because it can cause fuel system damage or engine performance problems.
61. on the engine. EMU25770 Yamaha outboard motors are fitted with pro- Start-in-gear protection pellers chosen to perform well over a range Yamaha outboard motors or Yamaha-ap- of applications, but there may be uses where...
EMU25795 Main components NOTE: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. Z150D, LZ150D, Z175D, Z200D, LZ200D ZMU04850 1. Top cowling 15. Digital speedometer* 2. Top cowling lock lever(s) 16.
Basic components erator button and move the remote control lever. 1. Neutral interlock trigger ZMU04575 EMU26211 1. Fully open Neutral throttle lever 2. Fully closed To open the throttle without shifting into ei- 3. Free accelerator ther forward or reverse, put the remote con- trol lever in the neutral position and lift the NOTE: neutral throttle lever.
Basic components there is too much resistance, it could be to a secure place on your clothing, or difficult to move throttle lever or grip, your arm or leg while operating. which could result in an accident. Do not attach the lanyard to clothing that could tear loose.
Basic components EMU26141 2. Lock plate Power trim and tilt switch on remote control or tiller handle EMU26090 Main switch The power trim and tilt system adjusts the The main switch controls the ignition system; outboard motor angle in relation to the tran- its operation is described below.
Basic components while the boat is moving could increase NOTE: the risk of falling overboard and could On the dual engine control, the switch on distract the operator, increasing the risk the remote control grip controls both out- of collision with another boat or an obsta- board motors at the same time.
Basic components EMU26391 Top cowling lock levers To remove the outboard motor top cowling, pull up the front and rear lock levers. Then lift off the cowling. When the cowling, check to be sure it fits properly in the rubber seal. Then lock the cowling again by moving the levers downward.
Basic components ter passages of the motor using a garden will return to normal thereafter. hose and tap water. NOTE: For details on usage, see page 51. ZMU01958 1. Tachometer 2. Trim meter ZMU04011 3. Hour meter 4. Oil level indicator 1.
Basic components page 26. ECM00050 CAUTION: Do not continue to run the engine if the overheat warning indicator is on. Serious engine damage will occur. ZMU04580 1. Oil level indicators EMU26550 Oil level indicator (digital type) This indicator shows the engine oil level. If the oil level falls below the lower limit, the ZMU01868 warning indicator will start to blink.
Basic components turning on the main switch to make sure all power trim and tilt switch. segments come on. EMU26620 Trim meter (digital type) NOTE: This meter shows the trim angle of your out- The speedometer displays km/h, mph, or board motor.
The trip distance is shown in kilometers or CAUTION: miles depending upon the unit of measure- The Yamaha fuel tank sensor differs from ment selected for the speedometer. conventional sensors. Incorrectly setting The trip distance is kept in memory by bat- the selector switch on the gauge will give tery power.
CAUTION: give false readings. Get back to the port soon if a warning de- vice has activated. For charging the bat- tery, consult your Yamaha dealer. ZMU01745 EMU26720 Fuel warning indicator If the fuel level decreases to one segment, 1.
Basic components port and starboard engines. 3. Water separator warning indicator (operates only if the sensor has been installed) NOTE: The fuel flow meter displays gallons/hour NOTE: or liters/hour according to operator prefer- After the main switch is first turned on, all ence.
(winter or summer fuel and amount of additives). The Yamaha digital speedometer and fuel management meter calculates speed, miles traveled, and fuel economy by water movement at the stern of the boat. This...
Warning system ECM00090 CAUTION: Do not continue to operate the engine if a warning device has activated. Consult your Yamaha dealer if the problem can- not be located and corrected. EMU26823 Overheat warning (twin engines) ZMU01754 This engine has an overheat warning device.
Basic components on the engine not affected by overheating, turn off the main switch of the engine over- heating. EMU26843 Oil level warning and oil filter clogging warning Oil injection models This engine has an oil level warning system. If the oil level falls below the lower limit, the warning system will activate.
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Basic components ZMU03025 ZMU01952 1. Oil filter START START ZMU04584 If the warning system has been activated, stop the engine and check for the cause. NOTE: The warning for oil filter clogging is similar to the warnings for low oil level and overheat- ing.
Operation EMU26901 specific boat and motor combination. Installation EWM00830 ECM00110 WARNING CAUTION: Improper mounting of the outboard mo- Incorrect engine height or obstructions tor could result in hazardous conditions to smooth water flow (such as the design such as poor handling, loss of control, or or condition of the boat, or accessories fire hazards.
Test runs at different heights can help deter- mine the optimum mounting height. Con- sult your Yamaha dealer boat manufacturer for further information on de- termining the proper mounting height. For instructions on setting the trim angle of the outboard motor, see page 40.
Do not exceed half throttle (approxi- Check fuel line connections to be sure they mately 3000 r/min). Vary engine speed are tight (if equipped Yamaha fuel tank or occasionally. If you have an easy-plan- boat tank). ing boat, accelerate at full throttle onto...
After any air in the oil lines has been expelled, the oil injection system should supply oil normally. If no oil is flowing after 10 minutes of idling, consult your Yamaha dealer. ECM00560 CAUTION: Be sure to take the above steps when...
While many additives available may reduce deposits, Yamaha recommends the use of Ring Free Fuel Additive, available from your Yamaha dealer. Ring Free Fuel Addi- tive has repeatedly proven its ability to clean combustion deposits from inside the engine, notably the critical piston-ring-land area, and fuel system components.
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Imp gal) can be added, and the bottom oil level line indicates approximately 3.8 L (1 US gal, 0.8 Imp gal) can be added. Turn on the main switch. The Yamaha oil injection system will automatically feed oil from the remote oil tank to the engine oil tank.
Operation EMU27321 Oil level indicator operation The various functions of the oil level system are as follows: EMU27381 Oil level indicator Electric start models Oil level warning Oil level warning Engine oil Remote oil indicator indicator (analog Remarks tank tank (digital tachometer) tachometer)
Operation EMU27450 Operating engine EMU27480 Feeding fuel EWM00420 WARNING 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 water near you. EMU27490 When the air vent screw is loosened, Starting engine...
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Operation arm or leg. Then install the lock plate on Turn the main switch to “ ” (start), the other end of the lanyard into the en- and hold it for a maximum of 5 seconds. gine stop switch. EWM00120 WARNING Attach the engine stop switch lanyard to a secure place on your clothing, or...
Tiller control models lower case or the cooling water pilot hole Place the throttle grip in the fully closed is blocked. Consult your Yamaha dealer if position. the problem cannot be located and cor- Move the gear shift lever quickly and rected.
Operation ZMU04597 ZMU04598 EMU27784 EMU27820 Reverse (automatic reverse lock and Stopping engine power trim and tilt models) Before stopping the engine, first let it cool off EWM00190 for a few minutes at idle or low speed. Stop- WARNING ping the engine immediately after operating When operating in reverse, go slowly.
Operation the boat begins to feel unstable or is hard to steer, slow down and/or readjust the trim angle. ZMU04600 After 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. Tighten the air vent screw on the fuel tank cap (if equipped).
Operation angle can cause loss of control. Use the power tilt switch located on the bottom engine cowling (if equipped) only when the boat is at a complete stop with the engine off. Adjust the outboard motor trim angle using the power trim and tilt switch.
Operation Bow Up NOTE: Too much trim-out puts the bow of the boat Depending on the type of boat, the outboard too high in the water. Performance and econ- motor trim angle may have little effect on the omy are decreased because the hull of the trim of the boat when operating.
Operation on page 39. Never tilt the outboard mo- tor while the engine is running. Severe damage from overheating can result. Do not tilt up the engine by pushing the tiller handle (if equipped) because this could break the handle. EMU28005 Procedure for tilting up Power trim and tilt models / power tilt models...
Operation EMU28052 Procedure for tilting down Power trim and tilt models / power tilt models Push the power tilt / power trim and tilt switch “ ” (up) until the outboard motor is supported by the tilt rod and the tilt support lever / tilt support knob becomes free.
Operation ting up for and cruising in shallow water. Otherwise severe damage from overheat- ing can result. EMU28183 Procedure for power trim and tilt / power tilt models Place the gear shift lever in neutral. ZMU04603 ZMU03999 EMU28060 Cruising in shallow water The outboard motor can be tilted up partially to allow operation in shallow water.
NOTE: For cooling system flushing instructions, see page 48. Cruising in turbid water Yamaha strongly recommends that you use the optional chromium-plated water pump kit if you use the outboard motor in turbid (mud- dy) water conditions.
Spark plug: sition using a motor support device such as 25.0 Nm (18.4 ft-lb) (2.55 kgf-m) a transom saver bar. Consult your Yamaha Propeller nut: dealer for further details. 55.0 Nm (40.6 ft-lb) (5.61 kgf-m)
Stabilizer” (Part No. LUB-FUELC- 12-00) to 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 to be drained instead.
Seal replacement should be per- NOTE: formed by an authorized Yamaha dealer When using the flushing attachment, prior to use. maintain adequate water pressure and a Grease all grease fittings.
Maintenance poisonous and highly caustic. tilled water. Always follow these preventive mea- Store the battery on a level surface in a sures: cool, dry, well-ventilated place out of di- Avoid bodily contact with electrolytic rect sunlight. fluid as it can cause severe burns or Once a month, check the specific gravity permanent eye injury.
If you or the owner is not famil- ting after flushing the engine. iar with machine servicing, this work should be done by your Yamaha dealer or NOTE: other qualified mechanic. When flushing the engine with the boat in...
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Maintenance Yamaha genuine parts and accessories are available from your Yamaha dealer.
Refer to the sections in this chapter for explanations of each owner-specific action. The “ ” symbol indicates the check-ups which you may carry out yourself. The “ ” symbol indicates work to be carried out by your Yamaha dealer. Initial Every 50 hours Item...
Maintenance EMU28931 Greasing Yamaha marine grease (Water resistant grease) Z150D, LZ150D, Z175D, Z200D, LZ200D ZMU04724 sparks, which could lead to explosion or EMU28951 Cleaning and adjusting spark plug fire. EWM00560 The spark plug is an important engine com- WARNING ponent and is easy to inspect. The condition...
Improper repairs can make the outboard unsafe to operate. Check the fuel lines for leaks, crack, or mal- function. If a problem is found, your Yamaha ZMU01892 dealer or other qualified mechanic should re- pair it immediately.
If you have any question about properly necessary. If any water is found in the doing this procedure, consult your fuel, the Yamaha portable fuel tank or Yamaha dealer. other fuel tanks should be checked and Do not perform this procedure on a hot cleaned.
If you have difficulty ver- fuel filter unit will float. If so, remove the cup ifying the idle speed, or the idle speed re- and drain the water. quires adjustment, consult a Yamaha dealer or other qualified mechanic. EMU29040 Inspecting idling speed...
There is a water trap at the bottom of the en- leaks from the joints between the exhaust gine oil tank. If water or foreign matter is vis- cover, cylinder head, and body cylinder. ible in this trap, consult your Yamaha dealer. EMU29153 Checking power trim and tilt system EWM00430...
Maintenance that the tilt rod and trim rods operate smoothly. NOTE: Consult your Yamaha dealer if any operation is abnormal. EMU29171 Checking propeller EWM00321 WARNING ZMU04155 You could be seriously injured if the en- gine accidentally starts when you are 1.
Maintenance EMU29193 Removing the propeller Straighten the cotter pin and pull it out using a pair of pliers. Remove the propeller nut, washer, and spacer (if equipped). ZMU01897 Checkpoints Check each of the propeller blades for wear, erosion from cavitation or ventila- tion, or other damage.
NOTE: stand. You could be severely injured if For disposal of used oil consult your Yamaha the outboard motor falls on you. dealer. Never get under the lower unit while it...
Inspect ground leads attached to external LZ150TR 870.0 cm (29.41 US oz) anodes on equipped models. Consult a (30.68 Imp.oz) Yamaha dealer for inspection and replace- LZ200TR 870.0 cm (29.41 US oz) ment of internal anodes attached to the pow- (30.68 Imp.oz) er unit.
(for example: welding charge the battery when it is low. equipment, lighted cigarettes, and so NOTE: on.) Consult a Yamaha dealer when charging or DO NOT SMOKE when charging or han- re-charging batteries. dling batteries. EMU29351 KEEP BATTERIES AND ELECTROLYTIC Connecting the Battery FLUID OUT OF REACH OF CHILDREN.
7. Small red lead for accessory battery charg- ing (optional part) NOTE: If a battery selector switch is desired, consult your YAMAHA dealer about correct wiring. EMU29370 Disconnecting the battery 1. Red cable Disconnect the BLACK cable from the NEG- 2.
Maintenance ZMU04679 EMU29400 Coating the boat bottom A clean 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 inhibit marine growth.
Q. Has fuel pump malfunctioned? If your outboard motor requires repair, bring A. Have serviced by a Yamaha dealer. it to your Yamaha dealer. If the engine trouble warning indicator is Q. Are spark plug(s) fouled or of incorrect flashing, consult your Yamaha dealer.
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Q. Is fuel contaminated or stale? A. Fill tank with clean, fresh fuel. Q. Is carburetor clogged? A. Have serviced by a Yamaha dealer. Q. Is fuel filter clogged? A. Clean or replace filter. Q. Is fuel joint connection incorrect? A.
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Trouble Recovery A. Have serviced by a Yamaha dealer. Q. Are weeds or other foreign matter tangled on gear housing? Q. Is load on boat improperly distributed? A. Remove foreign matter and clean lower A. Distribute load to place boat on an even unit.
NOTE: ty will be insufficient, and the engine will not start. Consult your Yamaha dealer if the new fuse immediately blows again. EMU29520 Power trim and tilt will not operate If the engine cannot be tilted up or down with...
Trouble Recovery 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 of most steering control. Also, without engine power, the boat could slow rapidly. This could cause people and objects in the boat to be thrown forward.
Trouble Recovery ther information, see page 36. Be sure the engine. Repeat if necessary. the engine is in neutral and that the en- EWM00620 WARNING gine stop switch lanyard lock plate is at- Do not install the top cowling when en- tached to the engine stop switch.
EMU29760 Treatment of submerged motor If the outboard motor is submerged, immedi- ately take it to a Yamaha dealer. Otherwise some corrosion may begin almost immedi- ately. If you cannot immediately take the outboard motor to a Yamaha dealer, follow the proce- dure below in order to minimize engine dam- age.
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Feed fogging oil or engine oil through the intake manifold and spark plug holes while cranking with the emergency start- er rope. ZMU01911 Take the outboard motor to a Yamaha dealer as soon as possible. ECM00400 CAUTION: Do not attempt to run the outboard motor...
Consumer information EMU29840 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADA...
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Printed in Japan April 2004–0.4 × 1 ! Printed on recycled paper...
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(A l’usage du concessionnaire) MODÉLE ET NO. DE SÉRIE DU MOTEUR HORS-BORD (sur l’étiquette d’identification de la presse de fixation) YAMAHA DEALER NUMBER NO. DU CONCESSIONNAIRE YAMAHA DEALER NAME YAMAHA MOTOR CO., LTD. NOM DU MADE IN JAPAN CONCESSIONNAIRE PAYS D'ORIGINE JAPON USAGE...
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PLACE POSTAGE HERE ATTN: WARRANTY DEPARTMENT...