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 Main switch ........18 Steering friction adjuster ....18 Identification numbers record..1 Power trim and tilt switch on Outboard motor serial number ..1 remote control or tiller handle ..19 Key number........1 Power trim and tilt switch on Emission control information ...
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Maintenance chart ......51 IMPORTANT WARRANTY Maintenance chart (additional)..52 INFORMATION IF YOU USE Greasing ......... 53 YOUR YAMAHA OUTSIDE Cleaning and adjusting spark U.S.A. OR CANADA ....76 plug ..........53 Checking fuel system ...... 54 Checking fuel filter ......55...
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. ZMU01699 ZMU04977 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 control is in neutral position. and follow them whenever you encounter another vessel on the water. EMU25464 Several sets of rules prevail according to Caution labels geographic location, but are all basically the same as the International Rules of the Road. The rules presented here in your Owner’s Manual are condensed, and have been pro- vided for your convenience only.
General information “The general prudential rule” This rule is called Rule 2 in the International Rules and says, “In obeying and construing these rules due regard shall be had to all dangers of naviga- tion and collision, and to any special circum- stances, which may render a departure from the above rules necessary in order to avoid immediate danger.”...
General information or trawls are considered to be “fishing ves- sels” under the International Rules. Vessels with trolling lines are not considered fishing vessels. Fishing vessels have the right-of- way regardless of position. Fishing vessels cannot, however, impede the passage of other vessels in narrow channels.
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General information This system uses buoys and signs with dis- tinctive shapes and colors to show regulato- ry or advisory information. These markers are white with black letters and orange boarders. They signify speed zones, restrict- ed areas, danger areas, and general infor- mation.
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.
10% and Battery requirement the fuel meets minimum octane ratings. ECM01060 Yamaha does not recommended gasohol CAUTION: containing methanol because it can cause Do not use a battery that does not meet fuel system damage or engine performance the specified capacity.
F30TR 380.0 A on the engine. F40TR 380.0 A Yamaha outboard motors are fitted with pro- Minimum marine cranking amps (MCA/ pellers chosen to perform well over a range ABYC): of applications, but there may be uses where F30TR 502.0 A...
For instructions on propeller removal and in- stallation, see page 58. EMU25770 Start-in-gear protection Yamaha outboard motors or Yamaha-ap- proved remote control units are equipped with start-in-gear protection device(s). This feature permits the engine to be started only when it is in neutral. Always select neutral...
Basic components EMU25795 Main components NOTE: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. F30TR, F40MH, F40TR ZMU05026 1. Top cowling 15. Remote control box (side mount type)* 2. Top cowling lock lever 16.
Basic components licensing or approval authority regula- tions. 1. Power trim and tilt switch ZMU02284 2. Remote control lever 3. Neutral interlock trigger 1. Fuel joint 4. Neutral throttle lever 2. Fuel gauge 5. Main switch / choke switch 3. Fuel tank cap 6.
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. Fully open 2. Fully closed EMU25911 Tiller handle To change direction, move the tiller handle to the left or right as necessary.
Basic components ZMU04036 ZMU04103 1. Throttle indicator 1. Forward “ ” 2. Neutral “ ” EMU25970 3. Reverse “ ” Throttle friction adjuster A friction device provides adjustable resis- EMU25941 Throttle grip tance to movement of the throttle grip or the remote control lever, and can be set accord- The throttle grip is on the tiller handle.
Basic components NOTE: The engine cannot be started with the lock plate removed. ZMU03169 When constant speed is desired, tighten the adjuster to maintain the desired throttle set- ting. ZMU03353 EMU25990 Engine stop lanyard switch 1. Lock plate 2. Lanyard The lock plate must be attached to the en- gine stop switch for the engine to run.
Basic components gine. When the key is released, it returns automatically to the “ ” (on) position. START ZMU03354 EMU26070 ZMU03590 Manual starter handle To start the engine, first gently pull the han- EMU26122 Steering friction adjuster dle out until resistance is felt. From that posi- tion, then pull the handle straight out quickly A friction device provides adjustable resis- to crank the engine.
Basic components EMU26141 while the boat is moving could increase Power trim and tilt switch on remote the risk of falling overboard and could control or tiller handle distract the operator, increasing the risk The power trim and tilt system adjusts the of collision with another boat or an obsta- outboard motor angle in relation to the tran- cle.
Basic components protect the engine from electrochemical corrosion. Never paint the trim tab as it will become ineffective as an anode. ZMU04040 EMU26372 Top cowling lock lever(s) (turn type) To remove the engine top cowling, turn the ZMU02822 lock lever(s) and lift off the cowling. When in- 1.
Basic components ZMU04578 ZMU04042 1. Flushing device 1. Tachometer 2. Warning indicator(s) EMU26300 Warning indicator EMU26501 Low oil pressure warning indicator If the engine develops a condition which is If oil pressure drops too low, this indicator will cause for warning, the indicator lights up. For flash.
Do not continue to operate the engine if a Do not continue to run the engine if the warning device has activated. Consult overheat warning indicator is on. Serious your Yamaha dealer if the problem can- engine damage will occur. not be located and corrected. EMU26813 Overheat warning This engine has an overheat warning device.
Check the oil level and add oil as needed. If the oil level is correct and the warning device does not switch off, consult your Yamaha dealer. ECM00100 CAUTION: Do not continue to run the engine if the...
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Basic components low oil pressure warning indicator is on. Serious engine damage could occur.
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.
Con- and repaired before operating the out- sult your Yamaha dealer boat board motor. Otherwise an accident manufacturer for further information on de- could occur.
Operation Check fuel line connections to be sure they are tight (if equipped Yamaha fuel tank or boat tank). Be sure the fuel tank is positioned on a se- cure, flat surface, and that the fuel line is not twisted or flattened, or likely to contact sharp objects (if equipped Yamaha fuel tank or boat tank).
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 ZMU02295 combustion deposits from inside the engine,...
Operation connect the fuel line to the joint. Then firmly connect the other end of the fuel line to the joint on the fuel tank. ZMU02025 EMU27490 Starting engine ZMU04048 EMU27541 Starting engine Place the gear shift lever in neutral. ZMU02024 ZMU04049 If a steering friction adjuster is provided...
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Operation lanyard where it could become entan- gled, 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.
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Operation arm or leg. Then install the lock plate on the other end of the lanyard into the en- gine stop switch. EWM00120 WARNING 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 to clothing that could tear loose.
Check the oil ECM00220 level and add oil if necessary. Consult CAUTION: your Yamaha dealer if the cause for the To change the boat direction or shifting low oil pressure warning indicator can- position from forward to reverse or vice- not be found.
Operation firmly from neutral to forward. EMU27784 Reverse (automatic reverse lock and power trim and tilt models) EWM00190 WARNING When operating in reverse, go slowly. Do not open the throttle more than half. Oth- erwise the boat could become unstable, which could result in loss of control and an accident.
Operation ZMU03909 ZMU04055 On models equipped with a tilt lock le- ver, check that it is in the lock/down po- sition. ZMU03407 EMU27795 Reverse (manual tilt and hydro tilt ZMU04054 models) EWM00190 Move the gear shift lever quickly and WARNING firmly from neutral to reverse.
Operation EMU27844 Procedure Push and hold the engine stop button or turn the main switch to “ ” (off). ZMU04053 Pull up the neutral interlock trigger (if equipped) and move the remote control lever quickly and firmly from neutral to ZMU03401 reverse.
Operation ZMU02301 Remove the key if the boat will be left unattended. NOTE: The engine can also be stopped by pulling the lanyard and removing the lock plate from the engine stop switch, then turning the main switch to “ ”...
Operation Adjust the outboard motor trim angle using EMU27891 Adjusting trim angle for hydro tilt the power trim and tilt switch. models EWM00490 WARNING Stop the engine before adjusting the trim angle. Be sure all people are clear of the out- board motor when adjusting the tilt an- gle, also be careful not to pinch any body parts between the drive unit and...
Operation your boat and operating conditions. EMU27911 Adjusting boat trim When the boat is on plane, a bow-up attitude results in less drag, greater stability and effi- ciency. This is generally when the keel line of the boat is up about 3 to 5 degrees. With the bow up, the boat may have a greater tenden- cy to steer to one side or the other.
Operation 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. EWM00250 ZMU04062 WARNING Disconnect the fuel line from the out- Leaking fuel is a fire hazard.
Operation ZMU01935 ZMU04065 EMU28005 Procedure for tilting up Power trim and tilt models / power tilt models Place the remote control lever / the gear shift lever in neutral. ZMU04067 Push the tilt support knob into the clamp bracket or pull the tilt support lever to- ward you to support the engine.
Operation sure. Models equipped with trim rods: Once the outboard motor is supported with the tilt support lever, press the power trim and tilt switch “ ” (down) to retract the trim rods. ECM00250 CAUTION: Be sure to retract the trim rods complete- ZMU04070 ly during mooring.
Operation to allow operation in shallow water. EWM00270 WARNING Place the gear shift in neutral before us- ing the shallow water cruising system. Run the boat at the lowest possible speed when using the shallow water cruising system. Use extra care when operating in re- ZMU04072 verse.
Operation position. ZMU03087 ZMU04076 EMU28090 Power trim and tilt models / power tilt models The outboard motor can be tilted up partially to allow operation in shallow water. EWM00660 WARNING Place the gear shift in neutral before ZMU03649 setting up for shallow water cruising. Return the outboard motor to its normal Pull the tilt lock lever up to the release position as soon as the boat is back in...
NOTE: For cooling system flushing instructions, see page 46. Cruising in turbid water Yamaha strongly recommends that you use ZMU03525 the optional chromium-plated water pump kit if you use the outboard motor in turbid (mud- Slightly tilt the outboard motor up to the dy) water conditions.
18.0 Nm (13.3 ft-lb) (1.84 kgf-m) sition using a motor support device such as Engine oil filter: a transom saver bar. Consult your Yamaha 18.0 Nm (13.3 ft-lb) (1.84 kgf-m) dealer for further details. EMU28222...
NOTE: the engine oil. The use of “Yamaha Fuel Conditioner and Do not place the outboard motor on its Stabilizer” eliminates the need to drain the side before the cooling water has fuel system.
Seal replacement should be performed Cooling system flushing is essential to by an authorized Yamaha dealer prior to prevent the cooling system from clog- use. ging up with salt, sand, or dirt. In addi- Grease all grease fittings.
Maintenance dling or working near batteries. EMU28440 Flushing power unit Antidote (EXTERNAL): Perform this procedure right after operation SKIN - Flush with water. for the most thorough flushing. EYES - Flush with water for 15 minutes After shutting off the engine, unscrew and get immediate medical attention.
If you or the owner is not famil- connector is tightened securely on the fit- iar with machine servicing, this work ting after flushing the engine. should be done by your Yamaha dealer or NOTE: other qualified mechanic. When flushing the engine with the boat in...
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 Initial Every 50 hours Item Actions 10 hours hours (6 hours (1 (1 month) months) months) year) Cleaning / adjustment / Spark plug(s) replacement Inspection / replace- Timing belt ment Valve clearance (OHC, Inspection / adjustment OHV) NOTE: When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use.
Maintenance EMU28931 Greasing Yamaha marine grease (Water resistant grease) F30TR, F40MH, F40TR ZMU04081 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...
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.
If not warmed up fully, the idle speed will measure higher than normal. If you have difficulty ver- ifying the idle speed, or the idle speed re- quires adjustment, consult a Yamaha dealer ZMU04083...
Maintenance or other qualified mechanic. Verify whether the idle speed is set to specification. For idle speed specifica- tions, see page 45. EMU29073 Changing engine oil EWM00760 WARNING Avoid draining the engine oil immedi- ZMU04084 ately after stopping the engine. The oil Prepare a suitable container that holds a is hot and should be handled with care larger amount than the engine oil capac-...
Con- tinued operation with a problem could cause severe engine damage. Consult your Yamaha dealer if the problem can- not be located and corrected. ZMU04087 Turn off the engine and wait 3 minutes.
Engine oil leakage smoothly. Check for oil leaks on the around the engine. NOTE: NOTE: Consult your Yamaha dealer if any operation If any leaks are found, consult your Yamaha is abnormal. dealer. EMU29171 EMU29161 Checking propeller Checking power trim and tilt system...
Maintenance age. NOTE: If the shear pin equipped: it is designed to break if the propeller hits a hard underwater obstacle to help protect the propeller and drive mechanism. The propeller will then spin freely on the shaft. If this happens, the shear pin must be replaced.
Be sure the outboard motor is securely damage. Consult a Yamaha dealer for re- fastened to the transom or a stable pair of the lower unit seals. stand. You could be severely injured if NOTE: For disposal of used oil consult your Yamaha...
EMU29312 If you have any question about properly Inspecting and replacing anode(s) doing this procedure, consult your Yamaha outboard motors are protected from Yamaha dealer. corrosion by sacrificial anodes. Inspect the Keep away from sparks, cigarettes, external anodes periodically. Remove scales flames, or other sources of ignition from the surfaces of the anodes.
SKIN - Flush with water. anodes on equipped models. Consult a EYES - Flush with water for 15 minutes Yamaha dealer for inspection and replace- and get immediate medical attention. ment of internal anodes attached to the pow- Antidote (INTERNAL): er unit.
Maintenance ZMU02068 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.
(if equipped). Replace Q. Is steering pivot loose or damaged? it with a spare one of the proper amperage. A. Tighten or have serviced by a Yamaha EWM00630 dealer. WARNING Be sure to use the specified fuse.
Trouble Recovery ZMU04094 ZMU04095 1. Fuse box 1. Manual valve screw 2. Fuse (20 A) Put the engine in the desired position, 3. Spare fuse (20 A) 4. Fuse puller then tighten the manual valve screw by turning it counterclockwise. EMU29531 Starter will not operate If the starter mechanism does not operate...
Trouble Recovery 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. Be sure no one is standing behind you when pulling the starter rope.
29. 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-...
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 2004–0.1 × 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...