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EMU25071 ZMU01690 Read this owner’s manual carefully before operating your outboard motor.
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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 (three indicators) ......18 Oil level indicator (digital type) ..18 Identification numbers record... 1 Overheat warning indicator Outboard motor serial number ..1 (digital type) ........19 Key number........1 Speedometer (digital type) ....19 Emission control information ....
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Replacement parts ......45 IMPORTANT WARRANTY Maintenance chart ......46 INFORMATION IF YOU USE Maintenance chart (additional)..47 YOUR YAMAHA OUTSIDE Greasing ......... 48 THE USA OR CANADA ....72 Cleaning and adjusting spark plug ..........48 Checking fuel system ...... 49 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. ZMU05236 ZMU04844 EMU25262 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.
If nec- essary, verify the necessary replacement procedure with the dealer. Never illegally discard (dump) the product. Yamaha recommends consulting the deal- er on discarding the product. ZMU01948 Be informed about boating safety. Additional...
General information EMU25401 performance loss and engine damage. Label Do not use gasoline mixed with oil (pre- EWM01260 mix). WARNING Use YAMALUBE 2-stroke outboard oil Be sure shift control is in neutral before or another 2-stroke engine oil with a starting engine.
General information Stand-on vessel Overtaking: (you are passing or being The vessel with the right-of-way has the duty passed by another vessel) to continue its course and speed, except to In the following illustration, your boat is in the avoid an immediate collision. When you center.
General information risk of collision, the vessel which has the oth- If another vessel is around the bend, it too er on the starboard (right) side must keep out should sound the whistle. Even if no reply is of the way of the other. If the other vessel is heard, however, the vessel should still pro- on your right, you must keep out of its way;...
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General information 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 to port and black buoys to starboard. Many bodies of water used by boaters are entirely within the boundaries of a particular state.
General information ZMU01708 away from sparks, flames, or other EMU25540 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.
53. 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...
Basic components EMU25796 Main components NOTE: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. VZ200, VZ225, VZ250, VZ300 YAMAHA YAMAHA SPEED SPEED Km/h Km/h knot knot mile mile TRIP...
Basic components 6. Throttle 7. Fully open EMU26201 Neutral interlock trigger To shift out of neutral, 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.
Basic components EMU25990 Engine stop lanyard switch The lock plate must be attached to the en- gine stop switch for the engine to run. The lanyard should be attached to a secure place on the operator’s clothing, or arm or leg. Should the operator fall overboard or leave the helm, the lanyard will pull out the lock plate, stopping ignition to the engine.
Basic components EMU26141 Power trim and tilt switch on remote control or tiller handle The power trim and tilt system adjusts the outboard motor angle in relation to the tran- som. Pressing the switch “ ” (up) trims the outboard motor up, then tilts it up. Pressing the switch “...
Basic components while the boat is moving could increase protect the engine from electrochemical the risk of falling overboard and could corrosion. Never paint the trim tab as it distract the operator, increasing the risk will become ineffective as an anode. of collision with another boat or an obsta- cle.
Basic components ZMU01864 ZMU04841 EMU26391 Top cowling lock levers 1. Air intake grille To remove the outboard motor top cowling, 2. Top cowling lock lever(s) pull up the front and rear lock levers. Then lift off the cowling. When the cowling, check to EMU26460 Flushing device be sure it fits properly in the rubber seal.
Basic components NOTE: The water separator and engine trouble warning indicators 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 details on how to read the ZMU04577 indicators, see page 30.
Basic components ZMU01867 1. Speedometer 1. Oil level indicator 2. Fuel gauge EMU26581 3. Trip meter/clock/voltmeter Overheat warning indicator (digital 4. Warning indicator(s) type) NOTE: If the engine temperature rises too high, the warning indicator will start to blink. For fur- After the main switch is first turned on, all segments of the display come on as a test.
Basic components 3. Selector switch (for fuel sensor) EMU26610 Trim meter This gauge shows the trim angle of your out- board motor. ZMU01869 EMU26650 Hour meter (digital type) 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 ZMU04581 hours for the current trip.
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.
Do not continue to operate the engine if a activated. Get back to the port within troll- warning device has activated. Consult ing engine speed. your Yamaha dealer if the problem can- not be located and corrected. EMU26814 Overheat warning This engine has an overheat warning device.
Basic components ZMU01757 EMU26845 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. Activation of warning device Engine speed will automatically decrease ZMU04766 to about 2000 r/min.
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Basic components The buzzer will sound (if equipped on the tiller handle, remote control box, or main switch panel). ZMU01952 1. Oil filter ZMU03025 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 de- termine the optimum mounting height. Consult your Yamaha dealer or boat man- ufacturer for further information on deter- mining the proper mounting height. For instructions on setting the trim angle of the outboard motor, see page 34.
3000 r/min). Vary engine speed Check fuel line connections to be sure they occasionally. If you have an easy-plan- are tight (if equipped Yamaha fuel tank or ing boat, accelerate at full throttle onto boat tank). plane, then immediately reduce the Be sure the fuel tank is positioned on a se- throttle to 3000 r/min or less.
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 operating the engine after a long period of storage.
The top oil level line indi- Ring Free Fuel Additive, available from cates approximately 1.9 L (0.5 US gal, 0.4 your Yamaha dealer. Ring Free Fuel Addi- Imp gal) can be added, and the bottom oil tive has repeatedly proven its ability to clean level line indicates approximately 3.8 L (1 US...
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...
Never turn the main switch to “ ” hole is blocked. Consult your Yamaha (start) while the engine is running. dealer if the problem cannot be located Do not keep the starter motor turning...
Operation and corrected. ZMU01882 EMU27784 Reverse (automatic reverse lock and EMU27740 power trim and tilt models) Shifting EWM00190 EWM00180 WARNING WARNING When operating in reverse, go slowly. Do Before shifting, make sure there are no not open the throttle more than half. Oth- swimmers or obstacles in the water near erwise the boat could become unstable, you.
Operation EMU27820 the boat, sea conditions, and running speed. Stopping engine EWM00740 WARNING Before stopping the engine, first let it cool off for a few minutes at idle or low speed. Stop- Excessive trim for the operating condi- ping the engine immediately after operating tions (either trim up or trim down) can at high speed is not recommended.
Operation body parts between the drive unit and “ ” (down). clamp bracket. Make test runs with the trim set to different Use caution when trying a trim position angles to find the position that works best for for the first time. Increase speed gradu- your boat and operating conditions.
Operation the operator and passengers overboard. sion with obstructions, and also to reduce salt corrosion. EWM00220 WARNING Be sure all people are clear of the out- board motor when tilting up and down, also be careful not to pinch any body parts between the drive unit and engine bracket.
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Operation ZMU03196 ZMU01886 Disconnect the fuel line from the out- EWM00260 WARNING board motor or close the fuel cock. Press the power trim and tilt switch / After tilting the outboard motor, be sure power tilt switch “ ” (up) until the out- to support it with the tilt support knob or board motor has tilted up completely.
Operation EMU28053 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.
For cooling system flushing instructions, see page 41. Cruising in turbid water Yamaha strongly recommends that you use the optional chromium-plated water pump kit (not available for some models) if you use Slightly tilt the outboard motor up to the...
Do not use any chemical goods contain- hazard. ing Silicon, Phosphorus, or Lead. Con- sult your Yamaha dealer for details on the EWM00700 use of chemical goods for storage. WARNING Never get under the lower unit while it is...
12-00) to each gallon of fuel. CAUTION: NOTE: Avoid running the outboard motor at high The use of “Yamaha Fuel Conditioner and speed while on the flushing attachment, Stabilizer” eliminates the need to drain the otherwise overheating could occur. fuel system. Consult your Yamaha dealer or...
EYES - Flush with water for 15 minutes seal. Seal replacement should be per- and get immediate medical attention. formed by an authorized Yamaha dealer Antidote (INTERNAL): prior to use. Drink large quantities of water or milk Grease all grease fittings.
Maintenance cool, dry, well-ventilated place out of di- Screw the garden hose connector onto a rect sunlight. garden hose which is connected to a Once a month, check the specific gravity fresh water supply. of the electrolyte and recharge as re- With the engine off, turn on the water tap quired to prolong battery life.
EMU28510 Replacement parts If replacement 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 could ZMU01985 endanger the operator and passengers.
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. Initial Every 50 hours Item...
Maintenance EMU28931 Greasing Yamaha marine grease (Water resistant grease) VZ200, VZ225, VZ250, VZ300 ZMU01986 sparks, which could lead to explosion or EMU28952 Cleaning and adjusting spark plug fire. EWM00560 The spark plug is an important engine com- WARNING ponent and is easy to inspect. The condition...
ZMU01892 Check the fuel lines for leaks, crack, or mal- 1. Spark plug gap function. If a problem is found, your Yamaha 2. Spark plug I.D. mark (NGK) dealer or other qualified mechanic should re- pair it immediately.
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.
Checking water in engine oil tank Oil injection models There is a water trap at the bottom of the en- gine oil tank. If water or foreign matter is vis- ible in this trap, consult your Yamaha dealer.
Maintenance EMU29153 Checking power trim and tilt system EWM00430 WARNING Never get under the lower unit while it is tilted, even when the tilt 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.
Unlock the tilt sup- port lever. 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. ZMU01897 EMU29171 Checking propeller Checkpoints...
EMU29194 Spline models eration and be lost. Straighten the cotter pin and pull it out Apply Yamaha marine grease or a cor- using a pair of pliers. rosion resistant grease to the propeller Remove the propeller nut, washer, and shaft.
Never get under the lower unit while it NOTE: is tilted, even when the tilt support lever For disposal of used oil consult your Yamaha or knob is locked. Severe injury could dealer. occur if the outboard motor accidental- ly falls.
Maintenance EMU29312 EMU29320 Inspecting and replacing anode(s) Checking battery (for electric start Yamaha outboard motors are protected from models) corrosion by sacrificial anodes. Inspect the EWM00330 WARNING external anodes periodically. Remove scales from the surfaces of the anodes. Consult a Battery electrolytic fluid is dangerous;...
Maintenance NOTE: If a battery selector switch is desired, consult your Yamaha dealer about correct wiring. EMU29370 Disconnecting the battery Disconnect the BLACK cable from the NEG- ATIVE (-) terminal first. Then disconnect the RED cable from the POSITIVE (+) terminal.
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.
(if equipped). Replace it with a spare one of the proper amperage. Q. Is steering pivot loose or damaged? EWM00630 A. Tighten or have serviced by a Yamaha WARNING dealer. Be sure to use the specified fuse. An in-...
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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Spray “Fogging Oil” or supply engine oil through the intake manifold and spark plug holes while rotating the flywheel manually. 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 EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA...
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Printed in Japan May 2005–0.6 × 1 ! Printed on raecycled 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...