EMU25110 tain maximum enjoyment from your new Yamaha. If you have any question about the operation or maintenance of your outboard motor, please consult a Yamaha dealer. 60D, 70D In this Owner’s Manual particularly important...
Table of contents General information ......1 (turn type)........15 Tachometer ........16 Identification numbers record..1 Digital tachometer ......16 Outboard motor serial number ..1 Oil level indicators Key number........1 (three indicators 2) ......16 Emission control information ... 1 Oil level indicator (digital type) ..
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Replacement parts ......41 IMPORTANT WARRANTY Maintenance chart ......42 INFORMATION IF YOU USE Greasing ......... 43 YOUR YAMAHA OUTSIDE Cleaning and adjusting spark plug .. 44 U.S.A. OR CANADA ....69 Checking fuel system ...... 44 Inspecting fuel filter ......45 Cleaning 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 should give you an understanding of the motor and its operation. Before operating the boat, read any own- EMISSION CONTROL INFORMATION er’s or operator’s manuals supplied with it ENGINE FAMILY : THIS ENGINE CONFORMS TO 2001 U.S. EPA REGULATIONS FOR MARINE SI ENGINES. REFER TO THE OWNERS MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS.
General information er operation before starting the engine. National Marine Manufacturers Associa- Attach the engine stop switch lanyard cord tion (NMMA) to a secure place on your clothing, or your 401 N. Michigan Ave. arm or leg while operating. If you acciden- Chicago, Il 60611 tally leave the helm, the cord will pull from Marine Retailers Association of America...
General information cies. You should be aware of these rules, you are doing. and follow them whenever you encounter “The general prudential rule” This rule is called Rule 2 in the International another vessel on the water. Rules and says, Several sets of rules prevail according to “In obeying and construing these rules due geographic location, but are all basically the...
General information Meeting Overtaking If you are meeting another power vessel If you are passing another vessel, you are head on, and are close enough to run the risk the “Give-Way” vessel. This means that the of collision, neither of you has the right-of- other vessel is expected to maintain its way! Both of you should alter course to avoid course and speed.
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General information or trawls are considered to be “fishing ves- This system uses buoys and signs with dis- sels” under the International Rules. Vessels tinctive shapes and colors to show regulato- with trolling lines are not considered fishing ry or advisory information. These markers vessels.
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.
The performance of your outboard motor will the fuel meets minimum octane ratings. be critically affected by your choice of propel- Yamaha does not recommended gasohol ler, as an incorrect choice could adversely containing methanol because it can cause affect performance and could also seriously fuel system damage or engine performance damage the motor.
48. on the engine. EMU25770 Start-in-gear protection Yamaha outboard motors are fitted with pro- Yamaha outboard motors or Yamaha-ap- pellers chosen to perform well over a range proved remote control units are equipped of applications, but there may be uses where with start-in-gear protection device(s).
Main components NOTE: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. 60D, 70D ZMU04945 1. Top cowling 15. Remote control box (side mount type)* 2. Top cowling lock lever 16.
Basic components tions. ZMU03157 1. Power trim and tilt switch 2. Remote control lever 1. Fuel joint 3. Neutral interlock trigger 2. Fuel gauge 4. Neutral throttle lever 3. Fuel tank cap 5. Main switch / choke switch 4. Air vent screw 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 EMU25970 Throttle friction adjuster A friction device provides adjustable resis- tance to movement of the throttle grip or the remote control lever, and can be set accord- 1.
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 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. ZMU02528 EMU26372 Top cowling lock lever(s) (turn type) To remove the engine top cowling, turn the ZMU03097 lock lever(s) and lift off the cowling. When in- 1.
Basic components EMU26470 7. Engine trouble warning indicator Tachometer 8. Set button This gauge shows the engine speed and has 9. Mode button the following functions. NOTE: The water separator and engine trouble warning indicators only operate when the en- gine is equipped with the appropriate func- tions.
Basic components rious engine damage will occur. ZMU04581 NOTE: ZMU01867 Memorize the trim angles that work best for 1. Oil level indicator your boat under different conditions. Adjust the trim angle to the desired setting with the EMU26581 Overheat warning indicator (digital power trim and tilt switch.
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. EMU26813 Overheat warning This engine has an overheat warning device.
Basic components clogging. ZMU03942 ZMU03026 The buzzer will sound. 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. Activation of warning device Engine speed will automatically decrease to about 2000 r/min.
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.
Other- mine the optimum mounting height. Con- wise the engine could be completely lost sult your Yamaha dealer boat if it accidentally falls off the transom. manufacturer for further information on de- termining the proper mounting height.
Operation board (if packed). For details, consult EMU27060 Gasoline and engine oil mixing chart your Yamaha dealer. (50:1) EWM00650 WARNING Avoid using bolts, nuts or washers other than those contained in the engine pack- aging. If used, they must be of at least the same quality of material and strength and must be tightened securely.
Keep hands, hair, and clothes away Check fuel line connections to be sure they from the flywheel and other rotating are tight (if equipped Yamaha fuel tank or parts while the engine is running. boat tank). Be sure the fuel tank is positioned on a se-...
Fuel tank capacity (if equipped Yamaha Ring Free Fuel Additive, available from fuel tank): 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.
EWM00530 WARNING Do not add gasoline into the oil tank. Fire or explosion could result. This engine uses the Yamaha oil injection system, which provides superior lubrication by ensuring the proper oil ratio for all operat- ZMU03370 ing conditions. No fuel premixing is needed.
Operation EMU27321 Oil level indicator operation The various functions of the oil level system are as follows: EMU27360 Electric start models Oil level Oil level warning warning indicator indicator (analog Engine oil tank Remarks (digital tachometer/ tachometer) bottom cowling) Green more than 770 No refilling necessary.
Operation from the fuel tank. Squeeze the primer pump with the outlet end up until you feel it become firm. ZMU02295 If there is a fuel joint on the motor, firmly connect the fuel line to the joint. Then ZMU02025 firmly connect the other end of the fuel line to the joint on the fuel tank.
Operation to a secure place on your clothing, or turn to “ ” (on). your arm or leg while operating. ECM00191 CAUTION: Do not attach the lanyard to clothing Never turn the main switch to “ ” that could tear loose. Do not route the (start) while the engine is running.
Operation ZMU03834 EMU27820 Tighten the air vent screw on the fuel Stopping engine tank cap (if equipped). Before stopping the engine, first let it cool off for a few minutes at idle or low speed. Stop- ping the engine immediately after operating at high speed is not recommended.
Operation the boat, sea conditions, and running speed. clamp bracket. Use caution when trying a trim position EWM00740 WARNING for the first time. Increase speed gradu- Excessive trim for the operating condi- ally and watch for any signs of instabil- tions (either trim up or trim down) can ity or control problems.
Operation your boat and operating conditions. NOTE: To adjust the trim angle while the boat is moving, use the power trim and tilt switch lo- cated on the remote control device or tiller handle, if equipped. EMU27911 Adjusting boat trim When the boat is on plane, a bow-up attitude results in less drag, greater stability and effi- Bow Down...
Operation salt corrosion. Disconnect the fuel line from the out- board motor or close the fuel cock. 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.
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 ZMU03838 Slightly tilt the outboard motor up to the EMU28060 Cruising in shallow water desired position using the power trim / tilt The outboard motor can be tilted up partially switch. to allow operation in shallow water. EMU28090 Power trim and tilt models / power tilt models The outboard motor can be tilted up partially to allow operation in shallow water.
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NOTE: For cooling system flushing instructions, see page 38. 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.
Maintenance EMU28216 Starting system: Specifications Electric Dimension: Starting carburetion system: Overall length: Prime start 713 mm (28.1 in) Min. cold cranking amps (CCA/SAE): Overall width: 380.0 A 364 mm (14.3 in) Min. marine cranking amps (MCA/ABYC): Overall height L: 502.0 A 1374 mm (54.1 in) Min.
However, you, the owner, then trailer the outboard motor in the tilt po- with a minimum of tools, can perform the fol- sition using a motor support device such as a transom saver bar. Consult your Yamaha...
In addi- NOTE: tion, fogging/lubricating of the engine is The use of “Yamaha Fuel Conditioner and mandatory to prevent excessive engine Stabilizer” eliminates the need to drain the damage due to rust. Perform the flush- fuel system.
Batteries also generate explosive hydro- seal. Seal replacement should be per- gen gas; therefore, you should always formed by an authorized Yamaha dealer follow these preventive measures: prior to use. Charge batteries in a well-ventilated ar- Grease all grease fittings.
If you or the owner is not famil- tilled water. iar with machine servicing, this work Store the battery on a level surface in a should be done by your Yamaha dealer or cool, dry, well-ventilated place out of di- other qualified mechanic. rect sunlight.
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...
Inspection / cleaning Cleaning / adjustment / Spark plug(s) replacement NOTE: When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use. EMU28931 Greasing Yamaha marine grease (Water resistant grease) 60D, 70D ZMU03125...
Wipe off Instead, take the outboard motor to a any dirt from the threads and screw in the Yamaha dealer. You should periodically re- spark plug to the correct torque. move and inspect the spark plug because...
Check the fuel lines for leaks, crack, or mal- There will be fuel in the fuel filter. Keep function. If a problem is found, your Yamaha away from sparks, cigarettes, flames or dealer or other qualified mechanic should re- other sources of ignition.
The boat necessary. If any water is found in the could unexpectedly start to move, fuel, the Yamaha portable fuel tank or which could result in an accident. other fuel tanks should be checked and ECM00490 cleaned.
Maintenance neck. If water or foreign matter collects in this EMU29153 Checking power trim and tilt system hose, consult a Yamaha dealer. EWM00430 WARNING Never get under the lower unit while it is tilted, even when the tilt support lever is locked.
Unlock the tilt sup- port lever. ZMU01896 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 EWM00321...
Maintenance tion, or other damage. Check the propeller shaft for damage. Check the splines / shear pin for wear or damage. Check for fish line tangled around the pro- peller shaft. 1. Cotter pin 2. Propeller nut 3. Washer 4. Spacer 5.
Apply Yamaha marine grease or a cor- Tilt the outboard motor so that the gear rosion resistant grease to the propeller oil drain screw is at the lowest point pos- shaft.
Maintenance when cleaning the fuel tank. NOTE: Remove the fuel tank from the boat be- For disposal of used oil consult your Yamaha fore cleaning it. Work only outdoors in dealer. an area with good ventilation. With the outboard motor in a vertical po- Wipe up any spilled fuel immediately.
Maintenance Yamaha dealer for replacement of external poisonous and highly caustic. anodes. Always follow these preventive mea- ECM00720 sures: CAUTION: Avoid bodily contact with electrolytic Do not paint anodes, as this would render fluid as it can cause severe burns or them ineffective.
Maintenance ZMU04678 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.
Make sure the remote control lever NOTE: is in neutral. Otherwise the boat could Consult your Yamaha dealer if the new fuse unexpectedly start to move, which immediately blows again. could result in an accident.
Trouble Recovery starter mechanism or top cowling after the engine is running. Do not touch the ignition coil, spark plug wire, spark plug cap, or other elec- trical components when starting or op- erating the motor. You could get an electrical shock.
Trouble Recovery procedure below. flywheel or other moving parts when the Remove the CDI unit cover or electrical engine is running. cover, if equipped. Adjust the trim angle so that the drive Disconnect the yellow cord (emergency shaft is at right angles to the water sur- circuit) of the CDI unit to return to port.
If the outboard motor is submerged, immedi- than 5 seconds, the battery will be ately take it to a Yamaha dealer. Otherwise quickly discharged, thus making it im- some corrosion may begin almost immedi- possible to start the engine.
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Drain the fuel from the carburetor, fuel filter, and fuel line. Feed fogging oil or engine oil through the carburetor(s) and spark plug holes while cranking with the manual starter or emergency starter rope. ZMU01911 Take the outboard motor to a Yamaha...
Consumer information EMU29840 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADA...
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Printed in Japan March 2004-–0.5 × 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...