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Yamaha F8D - page 1
F6D F8D T8D OWNER’S MANUAL LIT -18626-05-98 60R-F8199-10 January 2004–0.3 × 1 CR Printed in France Y AMAHA MOT OR CORPORA TION, USA U.S.A.Edition ...
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Yamaha F8D - page 2
ZMU01690 Read this owner’ s man ual carefully bef ore operating your outboard motor . ...
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Yamaha F8D - page 3
Important manual information EMU25100 To the owner Thank you for choosing a Yamaha outboard motor. This O wner’s Manual c ontains infor- mation needed for proper operation, mainte- nance and care. A thorough understanding of these simple instructions w ill help you obtain maximum enjo yment from your new Yamaha. If you have any ques tion about th ...
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Yamaha F8D - page 4
Table of contents General informa tion .................. .... 1 Identific ation num bers reco rd ...... 1 Outboa rd motor se rial n umber ....... 1 Key num ber ......... ...................... ..... 1 Emiss ion contr ol infor matio n ....... 1 North Ameri can models .................. 1 Star labe ls ...................... ........... ..... 2 Safet ...
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Yamaha F8D - page 5
Table of contents Forward (tiller han dle and remote control models) ................. ........ 33 Rever se (manua l tilt and hydro tilt models) . ................ .................... 34 Stopping engine .... ............. ....... 3 5 Procedure ................. ............ ........ 35 Procedure ................. ............ ........ 35 Trimming ...
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Yamaha F8D - page 6
Table of contents Treatment of subm erged motor .................. ................... . 7 2 Procedure ................. ............ ........ 72 Consumer information .............. .. 7 4 Importan t warrant y inform ation for U.S.A. an d Canada .......... . 74 YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WA RRANTY ...
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Yamaha F8D - page 7
General information 1 EMU25170 Identification numbers record EMU25182 Outboard motor serial number The outboard motor serial n umber is stamped on the label attached to the port side of the clamp bracket or the upper part of the swivel bracket. Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts fro ...
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Yamaha F8D - page 8
General informati on 2 New Technology; (4-stroke/HPDI) EM EMU25261 Manufactured date label This label is a ttached to the c lamp bracket o r the swivel bracket. EMU25272 Star la bels Your outboard motor is labeled with a C alifor- nia Air Resources Board (CARB) star label. See below for a description of your particular label. EMU25280 One Star — ...
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Yamaha F8D - page 9
General information 3 EMU25290 Two Stars — Very Low Emission The two-star label identifies engines that meet the Air Resources Board ’ s 2004 exhaust emission standards . Engines meeting these standards have 20% lower emiss ions than One Star-Low-Emission engine s. EMU25300 Three Stars — Ultra Low Emission The three-star label identifies engi ...
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Yamaha F8D - page 10
General informati on 4 everyone should wear PFD s when there are potentially hazardous boa ting condi- tions. ● Gasoline is highly flammable, and its va - pors are flammable and explo sive. Handle and store gasoline carefully. M ake sure there are no gas fumes or leak ing fuel be- fore starting the engine. ● This product emits ex haust gases wh ...
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Yamaha F8D - page 11
General information 5 ● Do not touch or remove electrical parts when starting or during operation. ● Keep hands, hair, and clothes away from flywheel and other rotating parts while engine is running. EMU25431 Label W ARNING EWM01300 ● This engine is equipped with a neutral starting device. ● The engine will not start unless the shift contro ...
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Yamaha F8D - page 12
General informati on 6 Stand-on vessel The vessel with the right-of-way has the duty to continue its course and speed, except to avoid an immedi ate collision. When you main - tain your direction and speed, the other vessel will be able to determine how best to avoid you. Give-way vessel The vessel which does not have the right-of- way has the duty ...
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Yamaha F8D - page 13
General information 7 Crossing When two power driven vessels are crossing each other ’ s path c lose enough to run the risk of collision, the v essel which has the other on the starboard (right) side must keep out of the way of the other. If the other vessel is on you r right, you must keep out of its way; you are the Give-Way vess el. If the oth ...
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Yamaha F8D - page 14
General informati on 8 proceeding from open water into port, and black buoys are to port (left) side. When navi- gating out of port, your position with respect to the buoys sho uld be reverse d; red buoys should be to port and black buoys to star- board. Many bodies of w ater used by boaters are en - tirely within the bou ndaries of a particula r s ...
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Yamaha F8D - page 15
General information 9 EMU25540 Fueling instructions W ARNING EWM00010 GASOLINE AN D ITS VAPORS ARE HI GH- LY FLAMMABLE AN D EXPLOSIVE! ● Do not smoke when refueling, and keep away from sparks, flames , or other sources of ignition. ● Stop engine before refueling. ● Refuel in a well-ventilated a rea. Refuel portable fuel tanks off the boat. ZM ...
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Yamaha F8D - page 16
General informati on 10 ● Take care not to spill gasoline. If gas o- line spills, wipe it up immediately with dry rags. ● Do not overfill the fuel tank. ● Tighten the filler cap securely after refu- eling. ● If you should swallow some gasoline, in- hale a lot of gasoline vapor, or get gas o- line in your eyes, get im mediate medical attenti ...
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Yamaha F8D - page 17
General information 11 tric system could perform poorly or be overloaded, causing electric system dam- age. For electric start models, choose a battery which meets the following s pecifications. EMU25711 Batter y specific ations EMU25730 Without a rectifie r or Rectifie r Regulator CAUTION: ECM01090 A battery cannot be connected to models that do n ...
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Yamaha F8D - page 18
General informati on 12 NOTE: Select a prop eller which will allow the engine to reach the middle or upper half of the o per- ating range at full throttle with the maximum boat load. If operating conditions such as light boat loads then allow the engine r/min to rise above the maximum reco mmended range, re- duce the throttle setting to maintain th ...
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Yamaha F8D - page 19
Basic components 13 EMU25795 Main components NOTE: * May not be ex actly as shown; als o may not be in cluded as standard equipment on all models . F6, F8 1. T op cowling 2. T op cowling loc k le v er 3. Anti -cavitation pl ate 4. Propeller* 5. Cooling water inle t 6. Drain sc rew 7. T r im rod 8. Clamp bracket 9. Ma nual star ter handle 10.W arnin ...
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Yamaha F8D - page 20
Basic components 14 T8 EMU25802 Fuel tank If your model was equipped with a portable fuel tank, its function is as follows. W ARNING EWM00020 The fuel tank supplied with this engine is its dedicated fuel reservoir and must not be used as a fuel storage cont ainer. Com- mercial users should conform to relevant licensing or approval authority regula- ...
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Yamaha F8D - page 21
Basic components 15 EMU25830 Fuel joint This joint is used to connec t the fuel line. EMU25841 Fuel gauge This gauge is located on either the fuel tank cap or on the fuel joint ba se. It shows the ap- proximate amount of fuel remaining in the tank. EMU25850 Fuel tank cap This cap seals the fuel tank. When removed, the tank can be filled with fuel. ...
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Yamaha F8D - page 22
Basic components 16 EMU26201 Neutral interlock tr igger To shift out of neutral, first pull the neutral in- terlock trigger up. EMU26211 Neutral throttle lever To open the throttle without shifting into eithe r forward or reverse, pu t the remote control le - ver in the neutral position and lift the neutral throttle lever. NOTE: The neutral throttl ...
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Yamaha F8D - page 23
Basic components 17 EMU25941 Throttle grip The throttle grip is on the tiller handle. Turn the grip counterclockw ise to increase speed and clockwise to decrease speed. EMU25961 Throttle indicator The fuel consumption curve on the throttle in- dicator shows the relativ e amount of fuel con - sumed for each throttle position. Choose the setting that ...
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Yamaha F8D - page 24
Basic components 18 When constant speed is desired, tighten the adjuster to maintain the de sired throttle set- ting. EMU25990 Engine stop lanyard switch The lock plate must be attached to the engine stop switch for the engine to run. The lanyard should be attache d to a secure place on the operator ’ s clothing, or arm or leg. Should the operato ...
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Yamaha F8D - page 25
Basic components 19 EMU26011 Choke knob for pull type To supply the engine with the ric h fuel mixture required to start, pull out this knob . EMU26070 Manual star ter handle To start the engine, first gently pull the handle out until resistance is felt. From that position, then pull the handle straight out quickly to crank the engine. EMU26080 Sta ...
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Yamaha F8D - page 26
Basic components 20 tor up. Pressing the switch “” (down) tilts the outboard motor down. W hen the switch is released, the outboard motor will stop in its current position. NOTE: For instructions on using the po wer tilt switch, see pages 36 and 38. EMU26110 Stee ring frictio n adj uste r A friction device pro vides adjustable resis- tance to t ...
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Yamaha F8D - page 27
Basic components 21 EMU26312 Tilt lock mecha nis m The tilt lock mechanism is used to prevent the outboard motor from lifting out of the water when in reverse gear. To lock it, s et the tilt lo ck lever i n the “” (lock) position. To release, pu sh the tilt lock le - ver in the “” (release) position. EMU26320 Tilt support knob To keep the o ...
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Yamaha F8D - page 28
Basic components 22 EMU26460 Flushing device This device is used to cl ean the cooling wate r passages of the motor us ing a garden hose and tap water. NOTE: For details on usage, see page 50. EMU26300 Warning indicator If the engine dev elops a condition w hich is cause for warning, the indicator lights up. For details on how to read the warning i ...
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Yamaha F8D - page 29
Basic components 23 EMU26801 Warning system CAUTION: ECM00090 Do not continue to operate the engine if a warning device has activated. Consult your Yamaha dealer if the problem cannot be located and corrected. EMU30164 Low oil pressu re warning If the oil pressure drops too low, the warning device will activ ate. Activation of warning devic e ● T ...
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Yamaha F8D - page 30
Operation 24 EMU26901 Installation CAUTION: ECM00110 Incorrect engine height or o bstructions to smooth water flow (such as the design or condition of the boat, or accessories such as transom ladders or depth finder tr ans- ducers) can create airborne water spray while the boat is cr uising. Severe engine damage may result if the motor is oper at- ...
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Yamaha F8D - page 31
Operation 25 tends to occur, thus reducing the propulsion; and if the propeller tips cut the air, the engine speed will rise ab normally and ca use the en- gine to overheat. If the mounting height is too low, the water resi stance will increase and thereby reduce en gine efficiency. Mount the outboard motor so that the anti-cavitation plate is betw ...
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Yamaha F8D - page 32
Operation 26 3. Secure the clamp bracket to the transom using the bolts provided with the o ut- board (if packed). For details, consult your Yamaha dealer. W ARNING EWM00650 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 ...
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Yamaha F8D - page 33
Operation 27 ● The controls should work smoothly, without binding or unusual free play. ● Look for loose or damaged conn ections. ● Check ope ration of the starter and stop switches when the o utboard motor is in the water. EMU27140 Engine ● Check the engine and engine mounting. ● Look for loose or damaged fasteners . ● Check the propel ...
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Yamaha F8D - page 34
Operation 28 As gasoline has changed, the amount of addi- tives such as aromatics and oxy genates has increased. These additives are important for the engines in passen ger cars, but they can have detrimental effects i n marine engines, because of increas ed deposits i n the combus- tion chamber. When enough deposits collect, piston rings begin s t ...
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Yamaha F8D - page 35
Operation 29 3. If a steering fric tion adjuster is provided on your outb oard motor, securely attach the fuel line to the fuel line clamp . NOTE: During engine operation place the tank h ori- zontally, otherwise fuel cannot be drawn from the fuel tank. 4. Squeeze the p rimer pump with the outlet end up until you feel it becom e firm. EMU27490 Star ...
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Yamaha F8D - page 36
Operation 30 4. Pull out / turn the chok e knob fully. After the engine s tarts, replace / return the knob to the home position. NOTE: ● It is not necessary to use the choke when starting a warm engine. ● If the choke k nob is l eft in the “” (start) position while the engine is running, the en- gine will run poorly or stall. 5. Pull the ma ...
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Yamaha F8D - page 37
Operation 31 NOTE: The start-in-gear protection device prevents the engine from starti ng except when in neu - tral. 2. Attach the engine stop switch lanyard to a secure place on you r clothing, or your arm or leg. Then install the lock plate on the other end of the lanyard into the en- gine stop switch. W ARNING EWM00120 ● Attach the engine stop ...
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Yamaha F8D - page 38
Operation 32 NOTE: ● On remote controls equi pped with a neutral throttle lever, a good starting point is to lift the lever just until you feel resistance, then lift slightly more. ● The neutral throttle lever or free accel erator can only be use d when the remote control lever is in neutral. 5. Press in and hold the main switch to op- erate th ...
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Yamaha F8D - page 39
Operation 33 ● In temperatures of -5 ° C or less, leav e the choke knob pulled out fully for approximate - ly 30 seconds after starting. 2. Check for a steady flow of water from the cooling water pilot hole. CAUTION: ECM00510 A flow of wa ter from the hole on the ex- haust cover shows that the water pump is pumping water through the cooling pas ...
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Yamaha F8D - page 40
Operation 34 EMU27795 Reverse (manua l tilt and hydro tilt models) W ARNING EWM00190 When operating in reverse, go slowly. Do not open the throttle more than half. Other- wise the boat could become uns table, which could result in loss of c ontrol and an accident. Tiller control models 1. Place the throttle grip in the full y closed position. 2. On ...
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Yamaha F8D - page 41
Operation 35 EMU27820 Stopping engine Before stopping the engine, first let it cool o f f for a few minutes at idle or low speed. Stop- ping the engine im mediately after operating at high speed is not recomm ended. EMU27832 Procedure 1. Push and hold the engine stop button un- til the engine comes to a co mplete stop. 2. After stopping the engine, ...
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Yamaha F8D - page 42
Operation 36 2. 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. 3. Tighten the air vent screw on the fuel tank cap (if equipped). 4. Remove th e key i f the boat will be left un- attended. NOTE: The engine can also be stopped by pulling the lanyard and removing the clip ...
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Yamaha F8D - page 43
Operation 37 3. Reposition the rod in the desired hole. To raise the bow ( “ trim -out ” ), move the rod away from the transom. To lower the bow ( “ trim-in ” ), move the rod to- ward the transom. Make test runs with the tr im set to different an - gles to find the position tha t works best f or your boat and operating co nditions. W ARNING ...
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Yamaha F8D - page 44
Operation 38 NOTE: Stay within the trim operating angle when trimming the outboard motor using the power tilt system. To raise the bow ( “ trim-out ” ), tilt the engine up. To lower the bow ( “ trim-in ” ), tilt the engine down. Make test runs with the tr im set to different an - gles to find the position tha t works best f or your boat and ...
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Yamaha F8D - page 45
Operation 39 ler and casing from damage by c ollision with obstructions, and also to reduce salt corro- sion. W ARNING EWM00220 Be sure all people are clear of the out- board motor when tilting up and down, also be careful not to pinch any body par ts between the drive unit and engine bracket. W ARNING EWM00250 Leaking fuel is a fire hazard. If the ...
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Yamaha F8D - page 46
Operation 40 EMU28004 Procedure for tilting up Power trim and tilt models / power tilt models 1. Place the remote control lever / the gear shift lever in neutral. 2. Disconnect the fue l line from the out- board motor or close the fuel cock . 3. Press the power trim and til t switch / pow- er tilt switch “” (up) until the outboard motor has til ...
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Yamaha F8D - page 47
Operation 41 2. Slightly tilt the engine up until the tilt sup- port bar is automatically releas ed. 3. Slowly tilt the engine down. EMU28052 Procedure for tilting down Power trim and tilt models / power tilt models 1. Push the power tilt / power trim and tilt swi tch “” (up) until the outboard mo tor is supported by the tilt rod and the tilt s ...
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Yamaha F8D - page 48
Operation 42 ● Run the boat at the lowest possible speed when using the shallow water cruising system. The tilt lock mecha- nism does not work while the shallow water cruising system is being used. Hit- ting an underwater obstacle could cause the outboard motor to lift out of the water, resulting in loss of contr ol. ● Do not rotate the outboar ...
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Yamaha F8D - page 49
Operation 43 4. To return the outboard motor to the nor- mal running posi tion, place the gear shift lever in neutral, then place the tilt lock le - ver in the lock/down po sition. 5. Slightly tilt the outboard motor up until the tilt support bar automatical ly returns to the free position. 6. Slowly lower the outboard motor to the normal position. ...
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Yamaha F8D - page 50
Operation 44 3. To return the outboard motor to the nor- mal running positio n, press the power trim / tilt sw itch and slowly tilt the out- board motor down. EMU28190 Cruising in other conditions Cruising in salt water After operating in salt water, wash out the cooling water passages with fresh water to prevent them from becoming c logged with sa ...
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Yamaha F8D - page 51
Maintenance 45 EMU28213 Specificatio ns Dimension: Overall length: F6MHD 10 38 mm (40. 9 in ) F8MHD 10 38 mm (40. 9 in ) T8PHD 1 038 m m (40.9 in) T8P RD 552 mm (21.7 in ) T8EHD 1 038 m m (40.9 in) Overall width: F6M HD 371 mm (14.6 in ) F8M HD 371 mm (14.6 in ) T8P RD 312 mm (12.3 in ) T8P HD 371 mm (14.6 in ) T8E HD 371 mm (14.6 in ) Overall heig ...
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Yamaha F8D - page 52
Maintenance 46 Star ti ng syst em: F6MHD M anual F8MHD M anual T8PRD Ele ctric T8PHD Ele ctric T8EHD M anua l and electr ic Star ting car bure tio n syst em: Chok e valv e Valve cl earan ce (c old eng ine) I N: 0.15 – 0.20 mm ( 0.005 9 – 0.0079 in) Valve cl earan ce (c old eng ine) E X: 0.20 – 0.25 mm ( 0.007 9 – 0.0098 in) Battery: Min. co ...
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Yamaha F8D - page 53
Maintenance 47 ● DO NOT fill fuel container to maximum capacity. Gasoline will expand consider- ably as it warms up and can build up pressure in the fuel container. This can cause fuel leakage a nd a potential fire hazard. W ARNING EWM00700 Never get under the lower unit w hile it is tilted, even if a motor support bar is used. Severe injury coul ...
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Yamaha F8D - page 54
Maintenance 48 the outboard motor on its side (not up- right), put it on a cushion after draining the engine oil. ● Do not place the outboard motor on its side before the cooling w ater has drained from it completely, otherwise water may enter the cylinder through the exhaust port and cause engine trouble. ● Store the outboard motor in a dry, w ...
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Yamaha F8D - page 55
Maintenance 49 ● Keep hands, hair, and clothes away from the flywheel and other rotating parts while the engine is running. 7. Run the engine at a fast idle for 10 – 15 minutes in neutral position . 8. Just prior to turning off the en gine, quickly spr ay “ Yamaha Stor-Rite Engine Fogging Oil ” (Part No. LUB-STR RT-12-00) alter- nately into ...
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Yamaha F8D - page 56
Maintenance 50 ● Keep batteries away from fire, spark s, or open flames (for example: welding equipment, lighted cigarettes, and so on.) ● DO NOT SMOKE when charging or han- dling batteries. KEEP BATTERIE S AND E LECTROLYTIC FLUID OUT OF R EACH OF CHILDREN. Batteries vary among m anufacturers. There- fore the following procedures may not always ...
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Yamaha F8D - page 57
Maintenance 51 cause serious overheating. Be sure the connector is tightened securely on the fit- ting after flushing the engin e. NOTE: ● When flushing the engine w ith the boat in the water, tilting up the outboard motor until it is completely out of the water will achieve better results. ● For cooling system flushing instructions, see page 4 ...
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Yamaha F8D - page 58
Maintenance 52 EMU28521 Maintenance chart Frequency of maintenanc e operations may be adjus ted according to the o perating conditions, but the following table gives general guide lines. Refer to the sections in this chapter for expla- nations of each owner-specific acti on. The “” symbol indicates the check-ups which y ou may carry out yoursel ...
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Yamaha F8D - page 59
Maintenance 53 NOTE: When operating in sal t water, turb id or muddy water, the engine should be flushed with clean water after each use. EMU28871 Maintenance chart (additi onal) V alve clearance (OHC , OHV) Inspection / ad justment Item Actions Every 500 hours (2.5 year s) 1000 hours (5 years) Timing belt Replacement Item Actions Init ial Eve ry 1 ...
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Yamaha F8D - page 60
Maintenance 54 EMU28931 Greas ing Yamaha marine grease (Water resistant grease) U60R10E0.book Page 54 Monday, June 21, 2004 9:34 AM ...
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Yamaha F8D - page 61
Maintenance 55 EMU28950 Cleaning and a djusting spark plug W ARNING EWM00560 When removing or installing a spark plug, be careful not to damage the insulator. A damaged insulator could allow exter nal sparks, which could lead to explosion or fire. The spark plug is an important engine compo- nent and is easy to inspect. The condition of the spark p ...
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Yamaha F8D - page 62
Maintenance 56 ● Check for fuel leakage regularly. ● If any fuel leakage is found, the fuel sys- tem must be repaired by a qualified me - chanic. Improper repairs can make the outboard unsafe to operate. Check the fuel li nes for leaks, crack, or mal - function. If a problem is found, your Yamaha dealer or other qualified mechanic should re- pa ...
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Yamaha F8D - page 63
Maintenance 57 NOTE: Correct idling sp eed inspection is only possi- ble if the engine i s fully warmed up. If not warmed up fully, the idle spee d will measure higher than normal. If you have difficulty veri- fying the idle speed, or the idle speed requires adjustment, consult a Yama ha dealer or other qualified mechanic. 2. Verify whether the idl ...
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Yamaha F8D - page 64
Maintenance 58 tighten 1/4 to 1/2 turn m ore. Tighten the drain screw to the correct torque with a torque wrench as soon as pos sible. 4. Add the correct am ount of oil through the filler hole. Install the filler cap. 5. Start the engine and watch to make sure the low oil pressure warning i ndicator (if equipped) turns off. Make sure that there are ...
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Yamaha F8D - page 65
Maintenance 59 EMU29130 Water leak age Start the engine and check that no water leaks from the j oints between the e xhaust cover, cylinder head, and body cylinder. EMU29140 Engine oil le akage Check for oil leaks on the around the engine. NOTE: If any leaks are found, consult your Yamaha dealer. EMU29161 Checking power trim a nd tilt system W ARNI ...
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Yamaha F8D - page 66
Maintenance 60 Checkpoints ● Check each of the propeller blades for wear, erosion from cav itation or ventilation, or other damage. ● Check the propeller shaft for damage. ● Check the splines / shear pi n for wear or damage. ● Check for fish li ne tangled around the pro- peller shaft. ● Check the propel ler shaft oil seal for dam - age. N ...
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Yamaha F8D - page 67
Maintenance 61 EMU29230 Installing the propeller CAUTION: ECM00340 ● Be sure to install the thrust washer be- fore installing the propeller, otherwise the lower case and propeller boss could be damaged. ● Be sure to use a new cotter pin and bend the ends over securely. Otherwise the propeller could come off during opera- tion and be lost. 1. Ap ...
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Yamaha F8D - page 68
Maintenance 62 CAUTION: ECM00710 Inspect the used oil after it has been drained. If the oil is milky, water is getting into the gear case which can cause gear damage. Consult a Yamaha dealer for re- pair of the lower unit seals. N O TE: For disposal of us ed oil con sult your Yamaha dealer. 5. With the outboard motor in a vertical po- sition, and u ...
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Yamaha F8D - page 69
Maintenance 63 4. Clean the filter (located on the end of the suction pipe) in a suitable cleaning sol - vent. Allow the filter to dry. 5. Replace the gasket wi th a new one. Re- install the fuel joint assembly and tighten the screws firmly. EMU29312 Inspecting and replacing anode(s) Yamaha outboard motors are p rotected from corrosion by s acrific ...
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Yamaha F8D - page 70
Maintenance 64 ● Avoid bodily contact with electrolytic fluid as it can cause severe burns or per- manent eye injury. ● Wear protective eye gear when handling or working near batteries. Antidote (EXTE RNAL): ● SKIN - Flush with wat er. ● EYES - Flush with water for 15 minutes and get immediate medical attention. Antidote (INTE RNAL): ● Dr ...
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Yamaha F8D - page 71
Maintenance 65 ● Connect the red battery cable fir st when installing the battery and disconnect the black battery ca ble first when removing it. Otherwise, the electrical parts can be damaged. ● The electrical contacts of the battery and cables must be clean and properly connected, or the battery will not start the engine. Connect the red batt ...
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Yamaha F8D - page 72
Trouble Recovery 66 EMU29422 Troubleshooting A problem in the fuel, compression, or ignition systems can cause poor starting, loss of pow - er, or other problems. This section describes basic checks and possible remedies , and cov- ers all Yamaha outbo ar d motors. Therefore some items may not ap ply to your model. If your outboard motor requires r ...
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Yamaha F8D - page 73
Trouble Recovery 67 A. Check for pinched or kinked fuel li ne or oth- er obstructions in fuel system . Q. Is fuel contaminated or stale? A. Fill tank with clean, fresh fuel. Q. Is fuel filter clogged? A. Clean or replace filter. Q. Have ignition parts fail ed? A. Have serviced by a Yamaha dealer. Q. Has warning system activated? A. Find and correct ...
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Yamaha F8D - page 74
Trouble Recovery 68 Q. Is load on boat improperly dis tributed? A. Distribute load to pl ace boat on an even plane. Q. Is water pump or thermostat faulty? A. Have serviced by a Yamaha dealer. Q. Is there excess water in fuel filter cup? A. Drain filter cup. Engine power loss. Q. Is propeller damaged? A. Have propeller repaired or replaced. Q. Is pr ...
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Yamaha F8D - page 75
Trouble Recovery 69 A. Inspect spark plug and replace it with rec- ommended type. Q. Is high press ure fuel pump driv e belt bro- ken? A. Have serviced by a Yamaha dealer. Q. Is engine not responding properly to shift lever position? A. Have serviced by a Yamaha dealer. Engine vibrates excessively. Q. Is propeller damaged? A. Have propeller repaire ...
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Yamaha F8D - page 76
Trouble Recovery 70 NOTE: Consult your Yamaha dealer if the new fuse immediately blow s again. EMU29520 Power trim and tilt wil l not operate If the engine c annot be tilted up or down with the power trim and tilt/ the pow er tilt because of a discharged battery or a failure with the power trim and tilt unit/the power tilt, the en- gine can be tilt ...
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Yamaha F8D - page 77
Trouble Recovery 71 2. Remove the start-in-gear protection ca- ble from the starter, if equipped. 3. Remove the starter/flywheel c over after removing the bolt(s). 4. Prepare the engine for starting. For fur- ther information, see page 29. Be sure the engine is in neutral and that the en- gine stop switch lanyard lock plate is at- tached to the eng ...
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Yamaha F8D - page 78
Trouble Recovery 72 EMU29670 Engine fails to operate EMU29691 Ignition system malfunction If the battery voltage is low or in the unli kely event of an ignition system malfunctio n, the engine speed may become erratic or the en- gine may stop. In such a situation, follow the procedure below. 1. Remove the CDI u nit cover or el ectrical cover, if eq ...
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Yamaha F8D - page 79
Trouble Recovery 73 3. Drain the fuel from the carburetor, fuel fil- ter, and fuel line. Drain the engine oil comp le tely . 4. Fill the sump with the fresh engine oil. 5. Feed engine fogging oil or en gine oil through the carburetor(s) and spark plug holes while c ranking the engine with the manual starter or emergen cy starter rope. 6. Take the o ...
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Yamaha F8D - page 80
Consumer information 74 EMU29811 Important warranty information f or U.S.A. and Canada U60R10E0.book Page 74 Monday, June 21, 2004 9:34 AM ...
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Yamaha F8D - page 81
Consumer information 75 U60R10E0.book Page 75 Monday, June 21, 2004 9:34 AM ...
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Yamaha F8D - page 82
Consumer information 76 EMU29830 YAMAHA MOTOR CORPORATION, U .S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY U60R10E0.book Page 76 Monday, June 21, 2004 9:34 AM ...
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Yamaha F8D - page 83
Consumer information 77 U60R10E0.book Page 77 Monday, June 21, 2004 9:34 AM ...
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Yamaha F8D - page 84
Consumer information 78 EMU29840 IMPORTANT WARRANTY INFORMA TION IF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADA U60R10E0.book Page 78 Monday, June 21, 2004 9:34 AM ...
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Yamaha F8D - page 85
F6D F8D T8D OWNER’S MANUAL LIT -18626-05-98 60R-F8199-10 January 2004–0.3 × 1 CR Printed in France Y AMAHA MOT OR CORPORA TION, USA U.S.A.Edition ...
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Yamaha F8D - page 86
Warranty card 12/6/01 7:40 PM Page 1 ...
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Yamaha F8D - page 87
Warranty card 12/6/01 7:40 PM Page 2 ...
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