- DL manuals
- Yamaha
- Outboard Motor
- F2.5D
- Owner's Manual
Yamaha F2.5D Owner's Manual
Summary of F2.5D
Page 1
Read this manual carefully before operating this outboard motor. Owner’s manual f25d ft25f 6bp-28199-22-e0 6bp-9-22-1e0.Book 1 ページ ２０１０年２月９日 火曜日 午後３時５９分.
Page 2
Emu25052 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. 6bp-9-22-1e0.Book 1 ページ ２０１０年２月９日 火曜日 午後３時５９分.
Page 3: Important Manual Information
Important manual information emu25107 to the owner thank you for selecting a yamaha outboard motor. This owner’s manual contains infor- mation needed for proper operation, mainte- nance and care. A thorough understanding of these simple instructions will help you ob- tain maximum enjoyment from your...
Page 4: Table of Contents
Table of contents safety information............................. 1 outboard motor safety ..................... 1 propeller............................................ 1 rotating parts.................................... 1 hot parts ........................................... 1 electric shock..........
Page 5: Table of Contents
Table of contents low oil pressure-alert indicator ....... 27 overheat-alert indicator .................. 27 engine control system.................... 28 alert system ................................... 28 overheat alert ................................. 28 low oil pressure alert.......................
Page 6: Table of Contents
Table of contents installing propeller........................... 73 changing gear oil............................ 74 cleaning fuel tank ........................... 75 inspecting and replacing anode(s)........................................ 76 checking battery (for electric start models) .............
Page 7: Safety Information
1 safety information emu33622 outboard motor safety observe these precautions at all times. Emu36501 propeller people can be injured or killed if they come in contact with the propeller. The propeller can keep moving even when the motor is in neutral, and sharp edges of the propeller can cut even wh...
Page 8: Safety Information
Safety information 2 emu33820 gasoline exposure and spills take care not to spill gasoline. If gasoline spills, wipe it up immediately with dry rags. Dispose of rags properly. If any gasoline spills onto your skin, immedi- ately wash with soap and water. Change clothing if gasoline spills on it. If ...
Page 9: Safety Information
Safety information 3 swamping. Emu33772 avoid collisions scan constantly for people, objects, and oth- er boats. Be alert for conditions that limit your visibility or block your vision of others. Operate defensively at safe speeds and keep a safe distance away from people, ob- jects, and other boats...
Page 10: General Information
4 general information emu25171 identification numbers record emu25183 outboard motor serial number the outboard motor serial number is stamped on the label attached to the port side of the clamp bracket. Record your outboard motor serial number in the spaces provided to assist you in ordering spare ...
Page 11: General Information
General information 5 1. C-tick label location 1 zmu06391 zmu01697 6bp-9-22-1e0.Book 5 ページ ２０１０年２月９日 火曜日 午後３時５９分.
Page 12: General Information
General information 6 emu33522 read manuals and labels before operating or working on this outboard motor: ● read this manual. ● read any manuals supplied with the boat. ● read all labels on the outboard motor and the boat. If you need any additional information, contact your yamaha dealer. Emu33832...
Page 13: General Information
General information 7 f25dmh, f25deht zmu06475 1 2 3 6bp-9-22-1e0.Book 7 ページ ２０１０年２月９日 火曜日 午後３時５９分.
Page 14: General Information
General information 8 emu33912 contents of labels the above warning labels mean as follows. 1 warning ewm01691 emergency starting does not have start- in-gear protection. Ensure shift control is in neutral before starting engine. 2 warning ewm01681 ● keep hands, hair, and clothing away from rotating...
Page 15: General Information
General information 9 emu33843 symbols the following symbols mean as follows. Notice/warning read owner’s manual hazard caused by continuous rotation electrical hazard remote control lever/gear shift lever operat- ing direction, dual direction engine start/ engine cranking zmu05696 zmu05664 zmu05665...
Page 16: Specifications
10 specifications and requirements emu34520 specifications tip: “(al)” stated in the specification data below represents the numerical value for the alumi- num propeller installed. Likewise, “(sus)” represents the value for stainless steel propeller installed and “(pl)” for plastic propeller install...
Page 17: Installation Requirements
Specifications and requirements 11 f25deht 347.0 a f25det 347.0 a ft25fet 347.0 a min. Rated capacity (20hr/iec): f25deht 40.0 ah f25det 40.0 ah ft25fet 40.0 ah maximum generator output: 14 a drive unit: gear positions: forward-neutral-reverse gear ratio: f25deht 2.08(27/13) f25det 2.08(27/13) f25dm...
Page 18: Remote Control Requirements
Specifications and requirements 12 control, or fire hazards. ● because the motor is very heavy, spe- cial equipment and training is required to mount it safely. Your dealer or other person experienced in proper rigging should mount the motor using correct equipment and complete rigging in- struction...
Page 19: Start-In-Gear Protection
Specifications and requirements 13 peller have a direct impact on acceleration, top speed, fuel economy, and even engine life. Yamaha designs and manufactures pro- pellers for every yamaha outboard motor and every application. Your outboard motor came with a yamaha propeller selected to perform well...
Page 20: Fuel Requirements
Specifications and requirements 14 following chart according to the average tem- peratures in your area. Emu36360 fuel requirements emu36771 gasoline use a good quality gasoline that meets the minimum octane rating. If knocking or ping- ing occurs, use a different brand of gasoline or premium unlead...
Page 21: Motor Disposal Requirements
Specifications and requirements 15 emu36341 motor disposal requirements never illegally discard (dump) the motor. Yamaha recommends consulting the dealer about discarding the motor. Emu36352 emergency equipment keep the following items onboard in case there is trouble with the outboard motor. ● a to...
Page 22: Components
16 components emu2579t components diagram tip: * may not be exactly as shown; also may not be included as standard equipment on all mod- els (order from dealer). F25det, ft25fet 1 2 10 3 5 6 7 8 12 13 11 15 4 14 9 zmu06595 1. Top cowling 2. Cowling lock lever(s) 3. Idle hole 4. Drain screw 5. Anti-c...
Page 23: Components
Components 17 f25deht, f25dmh emu25802 fuel tank if your model was equipped with a portable fuel tank, its function is as follows. Warning ewm00020 the fuel tank supplied with this engine is its dedicated fuel reservoir and must not be used as a fuel storage container. Com- mercial users should conf...
Page 24: Components
Components 18 emu25830 fuel joint this joint is used to connect the fuel line. Emu25841 fuel gauge this gauge is located on either the fuel tank cap or on the fuel joint base. It shows the ap- proximate amount of fuel remaining in the tank. Emu25850 fuel tank cap this cap seals the fuel tank. When r...
Page 25: Components
Components 19 emu26201 neutral interlock trigger to shift out of neutral, first pull the neutral in- terlock trigger up. Emu26212 neutral throttle lever to open the throttle without shifting into ei- ther forward or reverse, put the remote con- trol lever in the neutral position and lift the neutral...
Page 26: Components
Components 20 emu25961 throttle indicator the fuel consumption curve on the throttle indicator shows the relative amount of fuel consumed for each throttle position. Choose the setting that offers the best performance and fuel economy for the desired operation. Emu25976 throttle friction adjuster a ...
Page 27: Components
Components 21 tangled, preventing it from functioning. Avoid accidentally pulling the cord dur- ing normal operation. Loss of engine 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 fo...
Page 28: Components
Components 22 its operation is described below. ● “ ” (off) with the main switch in the “ ” (off) posi- tion, the electrical circuits are off, and the key can be removed. ● “ ” (on) with the main switch in the “ ” (on) posi- tion, the electrical circuits are on, and the key cannot be removed. ● “ ” ...
Page 29: Components
Components 23 emu26143 power trim and tilt switch on remote control or tiller handle the power trim and tilt system adjusts the outboard motor angle in relation to the tran- som. Pressing the switch “ ” (up) trims the outboard motor up, and then tilts it up. Press- ing the switch “ ” (down) tilts th...
Page 30: Components
Components 24 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” in the figure. Notice ecm00840 the trim tab also serves as an anode...
Page 31: Components
Components 25 ter when in reverse gear. To tilt the outboard motor up, set the tilt lock lever to the “ ” (up) position. To tilt the out- board motor down, set the tilt lock lever to the “ ” (down) position. Emu26321 tilt support knob to keep the outboard motor in the tilted up position, push the ti...
Page 32: Components
Components 26 emu26462 flushing device this device is used to clean the cooling wa- ter passages of the motor using a garden hose and tap water. Tip: for details on usage, see page 61. Emu26303 alert indicator if the engine develops a condition which is cause for alert, the indicator lights up. For ...
Page 33: Instruments and Indicators
27 instruments and indicators emu36014 indicators emu36024 low oil pressure-alert indicator if oil pressure drops too low, this indicator will light up. For further information, see page 28. Notice ecm00022 ● do not continue to run the engine if the low oil pressure-alert indicator is on and the eng...
Page 34: Engine Control System
28 engine control system emu26803 alert system notice ecm00091 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. Emu2681c overheat alert this engine has an overheat-alert device. If the engine temperature...
Page 35: Engine Control System
Engine control system 29 if the alert system has activated, stop the en- gine as soon as it is safe to do so. Check the oil level and add oil as needed. If the oil level is correct and the alert device does not switch off, consult your yamaha dealer. Zmu02360 6bp-9-22-1e0.Book 29 ページ ２０１０年２月９日 火曜日 午...
Page 36: Installation
30 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. Proper mounting depends in part on experience and the specific boat and motor combination....
Page 37: Installation
Installation 31 notice ecm01634 ● make sure that the idle hole is high enough to prevent water from entering the engine even if the boat is stationary with the maximum load. ● incorrect engine height or obstructions to the smooth flow of water (such as the design or condition of the boat, or ac- ces...
Page 38: Installation
Installation 32 packaging. If used, they must be of at least the same quality of material and strength and must be tightened se- curely. After tightening, test run the engine and check their tightness. [ewm00651] 1. Bolts zmu02637 1 6bp-9-22-1e0.Book 32 ページ ２０１０年２月９日 火曜日 午後３時５９分.
Page 39: Operation
33 operation emu36381 first-time operation emu36391 fill engine oil the engine is shipped from the factory with- out engine oil. If your dealer did not fill the oil, you must fill it before starting the engine. No- tice: check that the engine is filled with oil before first-time operation to avoid s...
Page 40: Operation
Operation 34 a good rule is to use 1/3 of your fuel to get to the destination, 1/3 to return, and to keep 1/3 as an emergency reserve. With the boat lev- el on a trailer or in the water, check the fuel level. For fuel filling instructions, see page 37. Emu36571 remove the top cowling for the followi...
Page 41: Operation
Operation 35 make sure there is no hesitation in their travel. Operation should be smooth over the complete range of motion, and each le- ver should return completely to the idle po- sition. ● look for loose or damaged connections of the throttle and shift cables. Emu36483 engine shut-off cord (lany...
Page 42: Operation
Operation 36 and lower marks. Fill with oil if it is below the lower mark, or drain to the specified level if it is above the upper mark. Emu27153 engine ● check the engine and engine mounting. ● look for loose or damaged fasteners. ● check the propeller for damage. ● check for engine oil leaks. Emu...
Page 43: Operation
Operation 37 after installing, check the fitting of the top cowling by pushing it with both hands. If the top cowling is loose, have it repaired by your yamaha dealer. Emu38910 checking power trim and tilt system warning ewm01970 ● never get under the lower unit while it is tilted, even when the til...
Page 44: Operation
Operation 38 injury or death. Handle gasoline with care. Never siphon gasoline by mouth. If you should swallow some gasoline or inhale a lot of gasoline vapor, or get some gasoline in your eyes, see your doctor immediately. If gasoline spills on your skin, wash with soap and wa- ter. If gasoline spi...
Page 45: Operation
Operation 39 open flames and sparks while loosen- ing the air vent screw. ● this product emits exhaust gases which contain carbon monoxide, a col- orless, odorless gas which could cause brain damage or death when inhaled. Symptoms include nausea, dizziness, and drowsiness. Keep cockpit and cab- in a...
Page 46: Operation
Operation 40 emu39011 starting engine warning ewm01840 ● failure to attached engine shut-off cord could result in a runaway boat if opera- tor is ejected. Attach the engine shut- off cord to a secure place on your cloth- ing, or your arm or leg while operating. Do not attach the cord to clothing tha...
Page 47: Operation
Operation 41 warmed up. For further information, see page 45. 6. Slowly return the throttle grip to the fully closed position. Starting procedure (warm engine) 1. Place the gear shift lever in neutral. Tip: the start-in-gear protection device prevents the engine from starting except when in neu- tra...
Page 48: Operation
Operation 42 6. After the engine starts, slowly return the manual starter handle to its original posi- tion before releasing it. 7. Loosen the throttle friction adjuster and return the throttle to the fully closed po- sition. Warning! Loosen the throttle friction adjuster. If there is too much resis...
Page 49: Operation
Operation 43 4. Push the starter button to start the en- gine. 5. Immediately after the engine starts, re- lease the starter button and allow it to re- turn to its original position. Notice: never push the starter button while the engine is running. Do not keep the starter motor turning for more tha...
Page 50: Operation
Operation 44 tral. 2. Attach the engine shut-off cord to a se- cure place on your clothing, or your arm or leg. Then install the clip on the other end of the cord into the engine shut-off switch. 3. Turn the main switch to “ ” (on). 4. Turn the main switch to “ ” (start), and hold it for a maximum o...
Page 51: Operation
Operation 45 emu27670 warming up engine emu27716 manual start and electric start models 1. After starting the engine, allow it to idle for 3 minutes to warm up. Failure to do so will shorten engine life. 2. Be sure the low oil pressure-alert indica- tor goes off after starting the engine. Notice: if...
Page 52: Operation
Operation 46 mote control models]. Be sure to check that the tilt lock lever is in the lock/down position (if equipped) before operating in reverse. Tip: tiller handle models: the gear shift lever op- erates only when the throttle grip is in the ful- ly closed position. To shift from in gear (forwar...
Page 53: Operation
Operation 47 emu31742 stopping boat warning ewm01510 ● do not use the reverse function to slow down or stop the boat as it could cause you to lose control, be ejected, or im- pact the steering wheel or other parts of the boat. This could increase the risk of serious injury. It could also damage the ...
Page 54: Operation
Operation 48 4. Remove the key if the boat will be left un- attended. 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 switch to “ ” (off). Emu27862 trimming outboard motor warning ewm00740 excessive trim for the o...
Page 55: Operation
Operation 49 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 trim set to different angles to find the position that works best for your boat and oper...
Page 56: Operation
Operation 50 to raise the bow (trim-out), press the switch “ ” (up). To lower the bow (trim-in), press the switch “ ” (down). Make test runs with the trim set to different angles to find the position that works best for your boat and operating conditions. Emu27912 adjusting boat trim when the boat i...
Page 57: Operation
Operation 51 tip: depending on the type of boat, the outboard motor trim angle may have little effect on the trim of the boat when operating. Emu27935 tilting up and down if the engine will be stopped for some time or if the boat is moored in shallows, the out- board motor should be tilted up to pro...
Page 58: Operation
Operation 52 4. Pull up the shallow water lever (if equipped). 5. Hold the rear of the top cowling with one hand and tilt the engine up fully. 6. Push the tilt support knob into the clamp bracket. Or the tilt support bar will turn to the lock position automatically. No- tice: do not use the tilt sup...
Page 59: Operation
Operation 53 3. Push the tilt support knob into the clamp bracket to support the engine. Warn- ing! After tilting the outboard motor, be sure to support it with the tilt sup- port knob or tilt support lever. Other- wise the outboard motor could fall back down suddenly if oil in the pow- er trim and ...
Page 60: Operation
Operation 54 emu33121 procedure for tilting down (power trim and tilt models) 1. Push the power trim and tilt switch “ ” (up) until the outboard motor is support- ed by the tilt rod and the tilt support knob becomes free. 2. Pull out the tilt support knob. 3. Push the power trim and tilt switch “ ” ...
Page 61: Operation
Operation 55 emu32741 procedure 1. Place the gear shift lever in neutral. 2. Place the tilt lock lever in the release/up position. 3. Slightly tilt the outboard motor up. The tilt support bar will lock automatically, supporting the outboard motor in a par- tially raised position. This outboard mo- t...
Page 62: Operation
Operation 56 emu32913 procedure for power trim and tilt models 1. Place the remote control lever / gear shift lever in neutral. 2. 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 w...
Page 63: Operation
Operation 57 ter. Cruising in muddy, turbid, or acidic water yamaha strongly recommends that you use the optional chromium-plated water pump kit (see page 14) 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. After operating ...
Page 64: Maintenance
58 maintenance emu2822a transporting and storing outboard motor warning ewm02620 ● use care when transporting fuel tank, whether in a boat or car. ● do not fill fuel container to maximum capacity. Gasoline will expand consid- erably as it warms up and can build up pressure in the fuel container. Thi...
Page 65: Maintenance
Maintenance 59 tip: place a towel or something similar under the outboard motor to protect it from damage. Emu28241 storing outboard motor when storing your yamaha outboard motor for prolonged periods of time (2 months or longer), several important procedures must be performed to prevent excessive d...
Page 66: Maintenance
Maintenance 60 sufficient, engine seizure may occur. [ecm00291] 5. Run the engine at a fast idle for a few minutes in neutral position. Warning! Do not touch or remove electrical parts when starting or during opera- tion. Keep hands, hair, and clothes away from the flywheel and other ro- tating part...
Page 67: Maintenance
Maintenance 61 use. 3. Grease all grease fittings. For further de- tails, see page 67. Tip: for long-term storage, fogging the engine with oil is recommended. Contact your yamaha dealer for information about fogging oil and procedures for your engine. Emu28444 flushing power unit perform this proced...
Page 68: Maintenance
Maintenance 62 of cooling the engine, which can cause serious overheating. Be sure the connector is tightened securely on the fitting after flushing the en- gine. [ecm00541] tip: ● when flushing the engine with the boat in the water, tilting up the outboard motor un- til it is completely out of the ...
Page 69: Maintenance
Maintenance 63 mum engine speed (rpm) for many hours ● operating continuously at a low engine speed (rpm) for many hours ● operating without sufficient time for engine to warm up and cool down ● frequent quick acceleration and decelera- tion ● frequent shifting ● frequently starting and stopping the...
Page 70: Maintenance
Maintenance 64 emu34446 maintenance chart 1 tip: ● refer to the sections in this chapter for explanations of each owner-specific action. ● the maintenance cycle on these charts assume usage of 100 hours per year and regular flushing of the cooling water passages. Maintenance frequency should be adju...
Page 71: Maintenance
Maintenance 65 fuel line (low pres- sure) inspection or replace- ment as necessary fuel pump inspection or replace- ment as necessary fuel/engine oil leakage inspection gear oil replacement greasing points greasing impeller/water pump housing inspection or replace- ment as necessary impeller/water p...
Page 72: Maintenance
Maintenance 66 emu34451 maintenance chart 2 emu28910 tip: when using lead or high-sulfur gasoline, inspecting valve clearance may be required more frequently than every 500 hours. Fuel tank (yamaha por- table tank) inspection and clean- ing as necessary item actions every 1000 hours exhaust guide/ex...
Page 73: Maintenance
Maintenance 67 emu28943 greasing yamaha grease a (water resistant grease) yamaha grease d (corrosion resistant grease; for propeller shaft) f25det, ft25fet zmu06567 6bp-9-22-1e0.Book 67 ページ ２０１０年２月９日 火曜日 午後３時５９分.
Page 74: Maintenance
Maintenance 68 f25deht, f25dmh emu28957 cleaning and adjusting spark plug the spark plug is an important engine com- ponent and is easy to inspect. The condition of the spark plug can indicate something about the condition of the engine. For exam- ple, if the center electrode porcelain is very white...
Page 75: Maintenance
Maintenance 69 move and inspect the spark plug because heat and deposits will cause the spark plug to slowly break down and erode. 1. Remove the spark plug caps from the spark plugs. 2. Remove the spark plug. If electrode ero- sion becomes excessive, or if carbon and other deposits are excessive, yo...
Page 76: Maintenance
Maintenance 70 the outboard motor is in the water. A flushing attachment or test tank can be used. If the boat is not equipped with a tachometer for the outboard motor, use a diagnostic ta- chometer for this procedure. Results may vary depending on whether testing is con- ducted with the flushing at...
Page 77: Maintenance
Maintenance 71 6. Add the correct amount of oil through the filler hole. Put back the filler cap and the dipstick. Notice: overfilling the oil could cause leakage or damage. If the oil level is above the upper level mark, drain until the level meets the specified capacity. [ecm01850] 7. Leave the ou...
Page 78: Maintenance
Maintenance 72 ● change the oil more often when operating the engine under adverse conditions such as extended trolling. Emu29114 inspecting wiring and connectors ● inspect that each connector is engaged securely. ● inspect that each ground lead is properly secured. Emu32112 checking propeller warni...
Page 79: Maintenance
Maintenance 73 2. Remove the propeller nut, washer, and spacer (if equipped). Warning! Do not use your hand to hold the propel- ler when loosening the propeller nut. [ewm01890] 3. Remove the propeller, washer (if equipped), and thrust washer. Emu30672 installing propeller emu29234 spline models noti...
Page 80: Maintenance
Maintenance 74 tip: if the propeller nut does not align with the propeller shaft hole after tightening to the specified torque, tighten the nut further to align it with the hole. Emu29289 changing gear oil warning ewm00800 ● be sure the outboard motor is securely fastened to the transom or a stable ...
Page 81: Maintenance
Maintenance 75 gear oil drain screw hole. 6. Put a new gasket on the oil level plug. When the oil begins to flow out of the oil level plug hole, insert and tighten the oil level plug. 7. Put a new gasket on the gear oil drain screw. Insert and tighten the gear oil drain screw. Emu29302 cleaning fuel...
Page 82: Maintenance
Maintenance 76 suction pipe) in a suitable cleaning sol- vent. Allow the filter to dry. 5. Replace the gasket with a new one. Re- install the fuel joint assembly and tighten the screws firmly. Emu29313 inspecting and replacing anode(s) yamaha outboard motors are protected from corrosion by sacrifici...
Page 83: Maintenance
Maintenance 77 contains typical checks that apply to many batteries, but you should always refer to the battery manufacturer’s instructions. Notice ecm01920 a poorly maintained battery will quickly deteriorate. 1. Check the electrolyte level. 2. Check the battery’s charge. If your boat is equipped w...
Page 84: Maintenance
Maintenance 78 4. Clean, maintain, and store the battery according to the manufacturer’s instruc- tions. 6bp-9-22-1e0.Book 78 ページ ２０１０年２月９日 火曜日 午後３時５９分.
Page 85: Trouble Recovery
79 trouble recovery emu29427 troubleshooting a problem in the fuel, compression, or igni- tion systems can cause poor starting, loss of power, or other problems. This section de- scribes basic checks and possible remedies, and covers all yamaha outboard motors. Therefore some items may not apply to ...
Page 86: Trouble Recovery
Trouble recovery 80 q. Is fuel system obstructed? A. Check for pinched or kinked fuel line or other 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 failed? A. Have servic...
Page 87: Trouble Recovery
Trouble recovery 81 q. Is load on boat improperly distributed? A. Distribute load to place 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? ...
Page 88: Trouble Recovery
Trouble recovery 82 q. Is fuel joint connection incorrect? A. Connect correctly. Q. Is heat range of spark plug incorrect? A. Inspect spark plug and replace it with rec- ommended type. Q. Is high pressure fuel pump drive belt bro- ken? A. Have serviced by a yamaha dealer. Q. Is engine not responding...
Page 89: Trouble Recovery
Trouble recovery 83 emu29512 power trim and tilt will not operate if the engine cannot be tilted up or down with the power trim and tilt because of a dis- charged battery or a failure with the power trim and tilt unit , the engine can be tilted manually. 1. Loosen the manual valve screw by turn- ing...
Page 90: Trouble Recovery
Trouble recovery 84 ing normal operation. Loss of engine 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. ● make sure no one is standing behind you when pulling the starter ro...
Page 91: Trouble Recovery
Trouble recovery 85 4. Pass the start-in-gear protection cable under the fuel line and remove the spring from it. 5. Be sure that the gear shift is in neutral and that the clip is attached to the en- gine shut-off switch. 6. Insert the knotted end of the emergency starter rope into the notch in the ...
Page 92: Trouble Recovery
Trouble recovery 86 emu38851 emergency starting engine (electric start model) 1. Remove the top cowling and protective cover. 2. Pull off the 10-pin connector from the clamp and remove the flywheel magnet cover (if equipped). 3. Remove the flywheel magnet cover after removing the bolt(s). 4. Be sure...
Page 93: Trouble Recovery
Trouble recovery 87 5. Insert the knotted end of the emergency starter rope into the notch in the flywheel magnet and wind the rope 1 or 2 turn(s) around the flywheel magnet clockwise. 6. Pull the rope slowly until resistance is felt. Give a strong pull straight out to crank and start the engine. If...
Page 94
Yamaha motor co., ltd. Printed on recycled paper printed in japan march 2010–0.1 × 1 ! 6bp-9-22-1e0.Book 1 ページ ２０１０年２月９日 火曜日 午後３時５９分.