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EMU25073 ZMU01690 Read this manual carefully before operating this outboard motor. Keep this manual onboard in a waterproof bag when boating. This manual should stay with the outboard motor if it is sold.
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Therefore some tain maximum enjoyment from your new items may not apply to every model. Yamaha. If you have any question about the EMU25111 operation or maintenance of your outboard motor, please consult a Yamaha dealer.
Table of contents Safety information......1 Specifications of Battery....14 Mounting battery ......15 Outboard motor safety ....1 Multiple batteries ......15 Propeller..........1 Propeller selection ......15 Rotating parts........1 Start-in-gear protection ....15 Hot parts ........... 1 Engine oil requirements ....
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Table of contents Fuel gauge ........30 Operation after a long period of Trip meter / Clock / Voltmeter ..30 storage .......... 45 Fuel level-alert indicator ....31 Flushing device ....... 46 Low battery voltage-alert Install cowling ........46 indicator ........
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WARRANTY ....... 84 measures ........62 IMPORTANT WARRANTY INFORMATION IF YOU USE Flushing power unit ......62 YOUR YAMAHA OUTSIDE THE Cleaning the outboard motor ..63 USA OR CANADA ...... 87 Checking painted surface of motor..........63 Periodic maintenance....63 Replacement parts ......
Safety information EMU33622 tor and the clamp bracket when the motor is Outboard motor safety trimmed or tilted. Keep body parts out of this Observe these precautions at all times. area at all times. Be sure no one is in this EMU36501 area before operating the power trim and tilt Propeller...
Personal flotation devices cording to the boat manufacturers instruc- Have an approved personal flotation device tions. Overloading or incorrect weight (PFD) on board for every occupant. Yamaha distribution can compromise the boats han-...
Safety information dling and lead to an accident, capsizing or boating in hazardous weather. swamping. EMU33800 Accident reporting EMU33772 Avoid collisions Boat operators are required by law to file a Scan constantly for people, objects, and oth- Boating Accident Report with their state er boats.
Safety information go to boatus.org. United States Power Squadrons 1-888-FOR-USPS (1-888-367-8777) EMU33880 Passenger training www.usps.org Make sure at least one other passenger is trained to operate the boat in the event of an Boat Owners Association of The United emergency. States EMU33890 1-800-336-BOAT (1-800-336-2628)
Safety information EMU33700 vessels try to avoid each other. If that is the Steering and sailing rules and sound case, both vessels become “ Give-Way ” signals vessels. Whenever two vessels on the water meet EMU25521 Rules when encountering vessels one another, one vessel has the right-of- There are three main situations that you may way;...
Safety information EMU25531 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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Safety 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.
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 ZMU01854 1.
Read all labels on the outboard motor and the boat. If you need any additional information, contact your Yamaha dealer. EMU33831 Warning labels If these labels are damaged or missing, contact your Yamaha dealer for replacements. VZ200R, VZ225H, VZ250F, VZ300B ZMU06253...
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General information ZMU05741 EMU33850 Other labels ZMU05710...
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General information EMU35132 Electrical hazard Symbols The following symbols mean as follows. Notice/Warning ZMU05666 ZMU05696 Read Owner’s Manual ZMU05664 Hazard caused by continuous rotation ZMU05665...
Specifications and requirements VZ300BTR 730 ±30 r/min EMU31480 Specifications Engine: TIP: Type: 2-stroke V “(AL)” stated in the specification data below Displacement: represents the numerical value for the alumi- 3342.0 cm num propeller installed. Bore × stroke: Likewise, “(SUS)” represents the value for 93.0 ×...
Propeller nut: working correctly and you should dis- 55.0 Nm (5.61 kgf-m, 40.6 ft-lb) continue using the outboard. Contact EMU33554 your Yamaha dealer. Installation requirements The remote control unit must be equipped EMU33563 Boat horsepower rating with a start-in-gear protection device(s). This...
675.0 A appropriate. Minimum reserve capacity (RC/SAE): Your Yamaha dealer can help you select the 182 minutes right propeller for your boating needs. Select a propeller that will allow the engine to reach...
10% ethanol EMU36360 Fuel requirements can cause fuel system damage or cause en- EMU36781 gine starting and running problems. Yamaha Gasoline does not recommend gasohol containing Use a good quality gasoline that meets the methanol because it can cause fuel system minimum octane rating.
Yamaha recommends the use of EMU36351 Emergency equipment Ring Free Fuel Additive, available from your Yamaha dealer. Ring Free Fuel Addi- Keep the following items onboard in case tive has repeatedly proven its ability to clean there is trouble with the motor.
Specifications and requirements engine for details. EMU25252 Approval label of emission control certif- icate This label is attached to the bottom cowling. New Technology ; (4-stroke/HPDI) DFI ZMU04843 1. Manufactured date label location ZMU04842 1. Approval label location Manufactured: ZMU04346 EMU25273 Star labels Your outboard motor is labeled with a Cali-...
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Specifications and requirements EMU25280 these standards have 65% lower emissions One Star—Low Emission than One Star-Low-Emission engines. The one-star label identifies engines that meet the Air Resources Board’s 2001 ex- haust emission standards. Engines meeting these standards have 75% lower emissions than conventional carbureted two-stroke en- gines.
Components EMU2579M Components diagram TIP: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. VZ200R, VZ225H, VZ250F, VZ300B YAMAHA YAMAHA SPEED SPEED Km/h Km/h knot knot mile mile TRIP TRIP...
Components ZMU05429 1. Tachometer unit (Square type)* 2. Tachometer unit (Round type)* 3. Speedometer unit (Square type)* 4. Speed & fuel meter unit (Square type)* 5. Speed & fuel meter unit (Round type)* 6. Fuel management meter (Square type)* EMU26181 Remote control box The remote control lever actuates both the shifter and the throttle.
Components EMU26190 Remote control lever Moving the lever forward from the neutral po- sition engages forward gear. Pulling the le- ver back from neutral engages reverse. The engine will continue to run at idle until the le- ver is moved about 35° (a detent can be felt). Moving the lever farther opens the throttle, and the engine will begin to accelerate.
Components ing to operator preference. power means the loss of most steering To increase resistance, turn the adjuster control. Also, without engine power, the clockwise. To decrease resistance, turn the boat could slow rapidly. This could cause adjuster counterclockwise. WARNING! Do people and objects in the boat to be not overtighten the friction adjuster.
Components down and trims it down. When the switch is released, the outboard motor will stop in its current position. For instructions on using the power trim and tilt switch, see page 57. EWM01030 WARNING Use the power trim and tilt switch located on the bottom engine cowling only when the boat is at a complete stop with the en- gine off.
Components If the boat tends to veer to the left (port side), turn the trim tab rear end to the port side “A” in the figure. If the boat tends to veer to the right (starboard side), turn the trim tab end to the starboard side “B”...
2. Cowling lock lever(s) when the gear shift is in neutral. If the alert system has activated, stop the EMU26461 engine and consult a Yamaha dealer im- Flushing device mediately. This device is used to clean the cooling wa- TIP:...
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Components been show to greatly reduce the chance of fuel contamination problems. Consult your dealer for information about Yamaha 10-mi- cron fuel filters if your boat does not have one.
Instruments and indicators EMU26493 the power trim and tilt switch. Digital tachometer If the trim angle of your motor exceeds the The tachometer shows the engine speed trim operating range, the top segment on and has the following functions. the trim meter display will blink. All segments of the display will light momen- tarily after the main switch is turned on and will return to normal thereafter.
Instruments and indicators EMU26551 Oil level indicator (digital type) This indicator shows the engine oil level. If the oil level falls below the lower limit, the alert indicator will start to blink. For further in- formation, see page 39. ECM00030 NOTICE Do not operate the engine without oil.
Press the “ ” (set) button; the hour dis- the gauge will give false readings. Consult play will begin blinking. your Yamaha dealer on how to correctly set Press the “ ” (mode) button until the the selector switch. NOTICE: Running out desired hour is displayed.
Get back to the port soon if an alert device has activated. For charging the battery, con- sult your Yamaha dealer. The clock operates on battery power. Dis- connecting the battery will stop the clock. Reset the clock after connecting the battery.
If the buzzer sounds and the wa- ter separator-alert indicator blinks, consult your Yamaha dealer immediately. TIP: ZMU05417 To stop the buzzer, press the “...
(fuel filter) while cruising. In such an event, stop the engine immediately and see page 79 of this manual to drain the water from the fuel filter. Get back to the port soon and consult a Yamaha...
If the battery voltage drops, the low battery tions while cruising. Get back to the port voltage-alert indicator and the battery volt- soon and consult a Yamaha dealer immedi- age value will start to blink. Get back to the ately.
For the optional sensors, consult your Yamaha dealer. After the main switch is first turned on, all the displays come on as a test. After a few sec-...
Instruments and indicators EMU31632 2. Multifunction display Command link multifunction fuel management meters The fuel management meter has the func- tions of fuel flow meter, total consumption display, fuel economy display, and remain- ing fuel display. The chosen display is select- ed by using the “...
Alert system ECM00091 NOTICE Do not continue to operate the engine if a alert device has activated. Consult your Yamaha dealer if the problem cannot be located and corrected. EMU2681A Overheat alert This engine has an overheat-alert device. If If the alert system has activated, stop the en-...
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Engine control system nally oil filter clogging. ZMU03942 ZMU01872 1. Oil filter ZMU04586 The buzzer will sound (if equipped on the tiller handle, remote control box, or main ZMU01952 switch panel). 1. Oil filter ZMU03025 If the alert system has been activated, stop the engine and check for the cause.
Installation EMU26902 Installation The information presented in this section is intended as reference only. It is not possible to provide complete instructions for every possible boat and motor combination. Prop- er mounting depends in part on experience and the specific boat and motor combination. EWM01590 WARNING ZMU01873...
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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...
Operation EMU36381 throttle or less to let the engine cool. First-time operation Remaining 7 hours: EMU27042 Run the engine at any speed. However, Breaking in engine avoid operating at full throttle for more Your new engine requires a period of break- than 5 minutes at a time.
If enough water to raise the float ring is found in the fuel, or if a significant amount of debris is found, the fuel tank should be ZMU06106 checked and cleaned by a Yamaha dealer. ZMU06102 ZMU05499 EMU36442 EMU36461...
Operation your Yamaha dealer. NOTICE: Be sure to take the above steps when operat- ing the engine after a long period of storage. Otherwise engine seizure could occur. Use straight gasoline only. If premix fuel is used, the fuel in- jector could be damaged.
[ECM01800] ZMU06127 After installing, check the fitting of the top cowling by pushing it with both hands. If the ZMU06049 top cowling is loose, have it repaired by your Yamaha dealer. 1. Fitting 2. Flushing device...
Operation ZMU03458 EMU29158 1. Tilt rod Checking power trim and tilt system 2. Trim rods EWM01930 WARNING Use the tilt support lever to lock the mo- Never get under the lower unit while it tor in the up position. Operate the tilt is tilted, even when the tilt support lever down switch briefly so the motor is sup- is locked.
Operation EMU27234 Filling fuel and engine oil EMU30321 Filling fuel for models without a fuel joint EWM01830 WARNING Gasoline and its vapors are highly flam- mable and explosive. Always refuel ac- ZMU04156 cording to this procedure to reduce the risk of fire and explosion. Activate the trim-up switch until the tilt Gasoline is poisonous and can cause rod is fully extended.
5 liters (5.3 US qt, 4.4 Imp qt) of This engine uses the Yamaha oil injection oil should be kept in the remote oil tank. system, which provides superior lubrication...
Operation EMU27321 Oil level indicator operation The various functions of the oil level system are as follows: EMU27383 Oil level indicator Electric start models Oil level-alert Oil level-alert indicator Engine oil Remote oil indicator (analog Remarks (digital tank tank tachometer) tachometer) more than 300 more than...
Operation EMU27451 Operating engine EMU27483 Sending 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. 1.
Operation Place the remote control lever in neutral. Immediately after the engine starts, re- lease the main switch and allow it to re- TIP: turn to “ ” (on). NOTICE: Never turn The start-in-gear protection device prevents the main switch to “ ”...
EMU31730 case or the cooling water pilot hole is Shifting blocked. Consult your Yamaha dealer if EWM00180 the problem cannot be located and cor- WARNING rected. Before shifting, make sure there are no swimmers or obstacles in the water near you.
Operation move the remote control lever firmly and crisply into the neutral position. 1. Neutral interlock trigger Move the remote control lever firmly and EMU31742 Stopping boat crisply forward (for forward gear) or backward (for reverse gear) about 35° (a EWM01510 WARNING detent can felt).
Operation EMU31831 Procedure Turn the main switch to “ ” (off). Remove the key if the boat will be left unattended. TIP: The engine can also be stopped by pulling the cord and removing the clip from the en- gine shut-off switch, then turning the main ZMU01983 switch to “...
Operation switch while the boat is moving. cy to steer to one side or the other. Compen- sate for this as you steer. When the bow of Adjust the outboard motor trim angle using the boat is down, it is easier to accelerate the power trim and tilt switch.
Operation danger of “bow steering” and making opera- few minutes. Otherwise fuel may leak. tion difficult and dangerous. ECM00241 NOTICE Before tilting the outboard motor, stop the engine by following the procedure on page 54. Never tilt the outboard mo- tor while the engine is running.
Operation and tilt switch “ ” (down) to retract the trim rods. NOTICE: Be sure to retract the trim rods completely during mooring. This protects the rods from marine growth and corrosion which could damage the power trim and tilt mechanism.
Operation ZMU01936 Slightly tilt the outboard motor up to the desired position using the power trim and tilt switch. WARNING! Using the power trim and tilt switch on the bot- tom cowling while the boat is moving or engine is on could increase the risk of falling overboard and could distract the operator, increasing the risk of collision with another boat or...
Cruising in muddy, turbid, or acidic water Yamaha strongly recommends that you use the optional chromium-plated water pump kit (see page 17) if you use the outboard motor in acidic water or water with a lot of sediment in it, such as muddy or turbid (cloudy) water.
Do not use the tilt support lever or knob ing Silicon, Phosphorus, or Lead. Con- when trailering the boat. The outboard sult your Yamaha dealer for details on the motor could shake loose from the tilt sup- use of chemical goods for storage.
[ECM01402] ter into the air intake. Wax the cowling with a non-abrasive [ECM01840] Drain the cooling water completely out wax such as “Yamaha Silicone Wax”. of the motor. Clean the body thoroughly. EMU28443 Flushing power unit EMU28411 Lubrication (oil injection models)
If necessary, clean hose adapter from the garden hose con- and paint the areas. A touch-up paint is avail- nector. able from your Yamaha dealer. Reinstall the garden hose connector EMU2848A onto the fitting on the bottom cowling.
Maintenance to perform a maintenance procedure, design and quality. Any part of inferior quality have a Yamaha dealer or other qualified may malfunction, and the resulting loss of mechanic do the work. control could endanger the operator and The procedures involve disassembling passengers.
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 20 hours Item...
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Maintenance Initial Every 20 hours Item Actions hours (1 hours (3 hours (5 months) year) years) years) Fuel line(High pres- Inspection or replace- sure) ment as necessary Fuel line(Low pres- Inspection sure) Fuel line(Low pres- Inspection or replace- sure) ment as necessary Inspection or replace- Fuel pump ment as necessary...
Maintenance EMU28932 Greasing Yamaha marine grease (Water resistant grease) VZ200R, VZ225H, VZ250F, VZ300B ZMU01986 white, this could indicate an intake air leak or EMU28956 Cleaning and adjusting spark plug carburetion problem in that cylinder. Do not The spark plug is an important engine com- attempt to diagnose any problems yourself.
Maintenance to slowly break down and erode. the correct torque. Remove the spark plug caps from the Spark plug torque: spark plugs. 25.0 Nm (2.55 kgf-m, 18.4 ft-lb) Remove the spark plug. If electrode ero- sion becomes excessive, or if carbon TIP: and other deposits are excessive, you If a torque-wrench is not available when you...
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. ZMU01895 1. Water trap 2. Engine oil tank...
Otherwise the propeller could come off during opera- tion and be lost. Check the propeller shaft oil seal for dam- Apply Yamaha marine grease or a cor- age. rosion resistant grease to the propeller EMU30662 shaft.
Consult a Never get under the lower unit while it Yamaha dealer for repair of the lower is tilted, even when the tilt support lever unit seals. [ECM00711] or knob is locked.
Inspect the gear oil drain screw hole. external anodes periodically. Remove scales from the surfaces of the anodes. Consult a Recommended gear oil: Yamaha dealer for replacement of external Hypoid gear oil SAE#90 anodes. Gear oil quantity: ECM00720 1.050 L (1.110 US qt, 0.924 Imp.qt)
Maintenance EMU29322 ing, consult your Yamaha dealer. Checking battery (for electric start Check the battery connections. They models) should be clean, secure, and covered by EWM01900 an insulating cover. WARNING! Bad WARNING connections can produce shorting or Battery electrolytic fluid is poisonous arcing and cause an explosion.
If connecting an accessory battery, con- damage to the electrical system. sult your Yamaha dealer about correct [ECM01940] wiring. For the fuse size, see ABYC (E- Disconnect the positive cable(s) and re- 11).
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-alert indicator is flash- Q. Are spark plug(s) fouled or of incorrect ing, 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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Q. Is fuel system obstructed? Q. Is water pump or thermostat faulty? A. Check for pinched or kinked fuel line or A. Have serviced by a Yamaha dealer. other obstructions in fuel system. Q. Is there excess water in fuel filter cup? Q.
EWM00631 Q. Is steering pivot loose or damaged? WARNING A. Tighten or have serviced by a Yamaha Substituting an incorrect fuse or a piece dealer. of wire could allow excessive current EMU29433 flow.
Trouble Recovery ZMU02403 ZMU01903 1. Manual valve screw 1. Electrical cover 2. Fuse holder 3. Fuse (20 A × 3, 30 A, 60 A × 2) Put the engine in the desired position, then tighten the manual valve screw by 4.
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Install the top cowling. Start the engine and make sure that the [ECM01960] water separator-alert indicator remains off. Have a Yamaha dealer inspect the outboard motor after returning to port.
Trouble Recovery EMU29671 Engine fails to operate EMU29742 Low oil level alert activates If the oil level is 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.
EMU33501 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. NOTICE: Do not attempt to run the outboard motor until it has been com- pletely inspected.