Related Manuals for Yamaha E25B
Summary of Contents for Yamaha E25B
- Page 1 E25B OWNER’S MANUAL Read this manual carefully before operating this outboard motor. 69R-28199-2A-E0...
- 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.
-
Page 3: Important Manual Information
Any damage tain maximum enjoyment from your new resulting from neglect of these instructions is Yamaha. If you have any question about the not covered by warranty. operation or maintenance of your outboard Some countries have laws or regulations re- motor, please consult a Yamaha dealer. -
Page 4: Table Of Contents
Table of contents Safety information......1 Propeller selection ......11 Start-in-gear protection ....12 Outboard motor safety ..... 1 Engine oil requirements ....12 Propeller..........1 Fuel requirements ......12 Rotating parts........1 Gasoline .......... 12 Hot parts ........... 1 Muddy or acidic water .... - Page 5 Table of contents Installation ........24 (manual tilt models)....... 45 Shallow water......... 45 Installation ........24 Cruising in shallow water Mounting the outboard motor ..24 (manual tilt models)....... 45 Clamping the outboard motor ..25 Cruising in other conditions.... 46 Operation .........
- Page 6 Table of contents Emergency starting engine ..... 66 Treatment of submerged motor..67...
-
Page 7: Safety Information
Safety information engine stops if the operator falls overboard EMU33622 Outboard motor safety or leaves the helm. This prevents the boat Observe these precautions at all times. from running away under power and leaving EMU36501 people stranded, or running over people or Propeller objects. -
Page 8: Modifications
Have an approved personal flotation device tions. Overloading or incorrect weight (PFD) on board for every occupant. Yamaha distribution can compromise the boats han- recommends that you must wear a PFD dling and lead to an accident, capsizing or whenever boating. -
Page 9: Weather
Safety information keep a safe distance away from people, ob- jects, and other boats. Do not follow directly behind other boats or ● waterskiers. Avoid sharp turns or other maneuvers that ● make it hard for others to avoid you or un- derstand where you are going. -
Page 10: General Information
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... -
Page 11: C-Tick Label
General information ZMU01697 ZMU04730 1. CE marking location ZMU06040 EMU25213 C-Tick label Engines affixed with this label conform to certain portion(s) of the Australian Radio Communications Act. ZMU05721 1. C-Tick label location... -
Page 12: Read Manuals And Labels
Read all labels on the outboard motor and the boat. ● If you need any additional information, contact your Yamaha dealer. EMU33832 Warning labels If these labels are damaged or missing, contact your Yamaha dealer for replacements. E25B, 25B, 25X, 30H ZMU06042... - Page 13 General information ZMU05670 EMU33912 Contents of labels EWM01671 The above warning labels mean as follows. WARNING Read Owner’s Manuals and labels. ● EWM01691 Wear an approved personal flotation ● WARNING device (PFD). Emergency starting does not have start- Attach engine shut-off cord (lanyard) to ●...
- Page 14 General information Electrical hazard EMU33843 Symbols The following symbols mean as follows. Notice/Warning ZMU05666 Remote control lever/gear shift lever operat- ing direction, dual direction ZMU05696 Read Owner’s Manual ZMU05667 Engine start/ Engine cranking ZMU05664 Hazard caused by continuous rotation ZMU05668 ZMU05665...
-
Page 15: Specifications And Requirements
Specifications and requirements 4500–5500 r/min EMU31480 Specifications Maximum output: TIP: 25BMH 18.4 kW@5000 r/min “(AL)” stated in the specification data below (25 HP@5000 r/min) 25XMH 18.4 kW@5000 r/min represents the numerical value for the alumi- num propeller installed. (25 HP@5000 r/min) 30HMH 22.1 kW@5000 r/min Likewise, “(SUS)”... -
Page 16: Installation Requirements
Specifications and requirements 30HW Manual starter and Electric E25BMH 50 :1 starter Lubrication: E25BMH Manual starter Pre-mixed fuel and oil Starting carburetion system: Recommended gear oil: Choke valve Hypoid gear oil SAE#90 Min. cold cranking amps (CCA/EN): Gear oil quantity: 30HW 347.0 A 0.320 L (0.338 US qt, 0.282 Imp.qt) Tightening torque for engine:... -
Page 17: Remote Control Requirements
Install an optional Rectifier Regulator or use EMU25721 accessories rated to withstand 18 volts or Battery specifications higher with the above models. Consult your Yamaha dealer for details on installing an Minimum cold cranking amps (CCA/EN): optional Rectifier Regulator. 30HW 347.0 A EMU34194... -
Page 18: Start-In-Gear Protection
Recommended engine oil: appropriate. YAMALUBE 2-stroke outboard motor Your Yamaha dealer can help you select the right propeller for your boating needs. Select a propeller that will allow the engine to reach If the recommended engine oil is not avail-... -
Page 19: Muddy Or Acidic Water
EMU36352 Emergency equipment Yamaha does not recommend gasohol con- Keep the following items onboard in case taining methanol because it can cause fuel there is trouble with the outboard motor. -
Page 20: Components
Components diagram TIP: * May not be exactly as shown; also may not be included as standard equipment on all mod- els (order from dealer). E25B, 25B, 25X, 30H ZMU07130 1. Top cowling 16. Clamp screw 2. Cowling lock lever 17. -
Page 21: Fuel Joint
Components its dedicated fuel reservoir and must not tank. be used as a fuel storage container. Com- EMU25850 Fuel tank cap mercial users should conform to relevant This cap seals the fuel tank. When removed, licensing or approval authority regula- the tank can be filled with fuel. -
Page 22: Neutral Interlock Trigger
Components 1. Fully open 1. Neutral “ ” 2. Forward “ ” 2. Fully closed 3. Reverse “ ” TIP: 4. Shift 5. Fully closed The neutral throttle lever will operate only 6. Throttle when the remote control lever is in neutral. 7. -
Page 23: Gear Shift Lever
Components the left or right as necessary. ZMU02945 ZMU02937 EMU25961 Throttle indicator EMU25923 Gear shift lever The fuel consumption curve on the throttle Move the gear shift lever forward to engage indicator shows the relative amount of fuel the forward gear or rearward to engage the consumed for each throttle position. -
Page 24: Engine Shut-Off Cord (Lanyard) And Clip
Components or throttle grip, which could result in an tangled, preventing it from functioning. accident. Avoid accidentally pulling the cord dur- [EWM00032] ing normal operation. Loss of engine power means the loss of most steering control. Also, without engine power, the boat could slow rapidly. -
Page 25: Choke Knob For Pull Type
Components 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 “ ”... -
Page 26: Trim Tab
Components To increase resistance, turn the adjuster clockwise. To decrease resistance, turn the adjuster counterclockwise. EWM00040 WARNING Do not overtighten the friction adjuster. If there is too much resistance, it could be difficult to steer, which could result in an ZMU02289 accident. -
Page 27: Tilt Lock Mechanism
Components ZMU02917 ZMU02947 EMU30530 ECM00660 Tilt lock mechanism NOTICE The tilt lock mechanism is used to prevent Do not use the tilt support lever or knob the outboard motor from lifting out of the wa- when trailering the boat. The outboard ter when in reverse gear. -
Page 28: 2-Pin Connector
EMU26410 2-pin connector AC 12 V-40/60/80W power is delivered through this connector. When using it, keep in mind the following points: ZMU04737 Use a genuine Yamaha connector. ● Use lighting equipment only. ● Connect lighting equipment directly to the ●... -
Page 29: Engine Control System
Alert system ECM00091 NOTICE Do not continue to operate the engine if a alert device has activated. Consult your Yamaha dealer if the problem cannot be located and corrected. EMU2681C ZMU03026 Overheat alert This engine has an overheat-alert device. If the engine temperature rises too high, the alert device will activate. -
Page 30: Installation
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. EWM01590 WARNING ZMU01760... -
Page 31: Clamping The Outboard Motor
Test runs at different heights can help de- off the transom. termine the optimum mounting height. Consult your Yamaha dealer or boat man- ufacturer for further information on deter- mining the proper mounting height. For instructions on setting the trim angle of ●... - Page 32 Installation 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] ZMU02014 1. Bolts...
-
Page 33: Operation
Operation plane, then immediately reduce the EMU36381 First-time operation throttle to 3000 r/min or less. EMU30174 Next two hours: Breaking in engine Accelerate at full throttle onto plane, Your new engine requires a period of break- then reduce engine speed to three-quar- in to allow mating surfaces of moving parts to ter throttle (approximately 4000 r/min). -
Page 34: Fuel Level
If any water is found in the fuel, or if a the top cowling, release the cowling lock le- significant amount of debris is found, the fuel ver and lift off the top cowling. tank should be checked and cleaned by a Yamaha dealer. ZMU06084 ZMU06044 EMU36442 Fuel system... -
Page 35: Engine Shut-Off Cord (Lanyard)
[ECM01991] ZMU06109 After installing, check the fitting of the top 1. Cord cowling by pushing it with both hands. If the 2. Clip top cowling is loose, have it repaired by your 3. Engine shut-off switch Yamaha dealer. -
Page 36: Battery
Operation Be sure the engine is stopped. Disconnect the fuel line from the fuel tank and tighten the air vent screw on the fuel tank cap. ZMU04677 EMU36582 Battery Check that the battery is in good condition, ZMU06621 and fully charged. Check that the battery connections are clean, secure and covered by insulating covers. -
Page 37: Gasoline And Oil Mixing (100:1)
Operation temperature increases. [EWM02610] Fuel tank capacity: 100:1 24 L (6.34 US gal, 5.28 Imp.gal) 12 L 14 L 24 L (0.26 US gal, (3.2 US gal, (3.7 US gal, (6.3 US gal, 0.22 Imp gal) 2.6 Imp gal) 3.1 Imp gal) 5.3 Imp gal) 0.01 L 0.12 L... -
Page 38: Operating Engine
Operation in areas well ventilated. Avoid blocking Shake the fuel tank to mix the fuel thor- exhaust outlets. oughly. Make sure that the oil and gasoline are EMU27468 mixed. Sending fuel (portable tank) If equipped with a built-in fuel tank If there is an air vent screw on the fuel Pour oil into a clean fuel can, and then tank cap, loosen it 2 or 3 turns. -
Page 39: Starting Engine
Operation EMU27508 Manual start models (tiller control) EWM01840 WARNING 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. - Page 40 Operation Pull the manual starter handle slowly un- til you feel resistance. Then give a strong pull straight out to crank and start the engine. Repeat if necessary. ZMU02953 Place the throttle grip in the “ ” (start) position. ZMU02956 After the engine starts, slowly return the manual starter handle to its original posi- tion before releasing it.
- Page 41 Operation EMU27636 Manual start models (remote control) EWM01840 WARNING 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.
- Page 42 Operation gine is warm and fails to start, open the throttle a small amount and try to start the engine again. If the engine still fails to start, see page 62. EMU27645 Electric start / remote control models EWM01840 WARNING Failure to attached engine shut-off cord ●...
- Page 43 Operation or leg. Then install the clip on the other TIP: end of the cord into the engine shut-off On remote controls equipped with a neu- ● switch. tral throttle lever, a good starting point is to lift the lever just until you feel resistance, then lift slightly more.
-
Page 44: Checks After Starting Engine
Confirm that the engine cannot be started ● case or the cooling water pilot hole is with the clip removed from the engine blocked. Consult your Yamaha dealer if shut-off switch. the problem cannot be located and cor- EMU34530 rected. - Page 45 Operation swimmers or obstacles in the water near you. ECM01610 NOTICE Warm up the engine before shifting into gear. Until the engine is warm, the idle speed may be higher than normal. High idle speed can prevent you from shifting back to neutral.
-
Page 46: Stopping Boat
Operation ZMU02957 EMU31742 Stopping boat EWM01510 WARNING 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. -
Page 47: Trimming Outboard Motor
Operation ZMU02301 ZMU02972 Remove the key if the boat will be left un- attended. START 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 “... -
Page 48: Adjusting Trim Angle For Manual Tilt Models
Operation ZMU02976 1. Trim rod 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 ZMU02975 your boat and operating conditions. -
Page 49: Tilting Up And Down
Operation bow up, the boat may have a greater tenden- the bow is greatly increased, heightening the cy to steer to one side or the other. Compen- danger of “bow steering” and making opera- sate for this as you steer. When the bow of tion difficult and dangerous. -
Page 50: Procedure For Tilting Up (Manual Tilt Models)
Operation ECM00241 NOTICE Before tilting the outboard motor, stop ● the engine by following the procedure on page 40. Never tilt the outboard mo- tor while the engine is running. Severe damage from overheating can result. Do not tilt up the engine by pushing the ●... -
Page 51: Procedure For Tilting Down
Operation the water, resulting in loss of control. Use extra care when operating in re- ● verse. Too much reverse thrust can cause the outboard motor to lift out of the water, increasing the chance of ac- cident and personal injury. ECM00260 NOTICE Do not tilt the outboard motor up so that... -
Page 52: Cruising In Other Conditions
ZMU03087 Cruising in muddy, turbid, or acidic water Yamaha strongly recommends that you use Push the tilt lock lever down to the re- the optional chromium-plated water pump kit lease position. -
Page 53: Maintenance
Leaking fuel is a fire hazard. When ● such as a transom saver bar. Consult your transporting and storing the outboard Yamaha dealer for further details. motor, disconnect the fuel line from the outboard motor to prevent fuel from leaking. -
Page 54: Storing Outboard Motor
EMU30272 Storing outboard motor plate. NOTICE: If the fresh water level When storing your Yamaha outboard motor is below the level of the anti-cavita- for prolonged periods of time (2 months or tion plate, or if the water supply is in- longer), several important procedures must sufficient, engine seizure may occur. -
Page 55: Lubrication
Seal replacement should be performed to perform a maintenance procedure, by an authorized Yamaha dealer prior to have a Yamaha dealer or other qualified use. mechanic do the work. -
Page 56: Replacement Parts
EMU28511 Replacement parts If replacement parts are necessary, use only genuine Yamaha parts or parts of equivalent design and quality. Any part of inferior quality may malfunction, and the resulting loss of control could endanger the operator and passengers. -
Page 57: Maintenance Chart 1
The “ ” symbol indicates the check-ups which you may carry out yourself. The “ ” symbol indicates work to be carried out by your Yamaha dealer. Initial Every 20 hours Item... - Page 58 Cooling water inlet Inspection Main switch/stop Inspection or replace- switch/choke switch ment as necessary Wire harness connec- Inspection or replace- tions/wire coupler con- ment as necessary nections Fuel tank (Yamaha por- Inspection and clean- table tank) ing as necessary...
-
Page 59: Maintenance Chart 2
Maintenance EMU34451 Maintenance chart 2 Every Item Actions 1000 hours Exhaust guide/exhaust Inspection or replace- manifold ment as necessary... -
Page 60: Greasing
Maintenance EMU28943 Greasing Yamaha grease A (water resistant grease) Yamaha grease D (corrosion resistant grease; for propeller shaft) E25B, 25B, 25X, 30H ZMU02918 ple, if the center electrode porcelain is very EMU28957 Cleaning and adjusting spark plug white, this could indicate an intake air leak or The spark plug is an important engine com- carburetion problem in that cylinder. -
Page 61: Checking Fuel Filter
For cleaning or replacement of the Be sure to use the specified spark plug, fuel filter, consult your Yamaha dealer. otherwise the engine may not operate properly. Before fitting the spark plug, measure the electrode gap with a wire thickness gauge;... -
Page 62: Inspecting Wiring And Connectors
For idle speed specifications, see page 9. If you have difficulty verifying the idle speed, or the idle speed requires ad- justment, consult a Yamaha dealer or other qualified mechanic. EMU29114 Inspecting wiring and connectors Inspect that each connector is engaged ●... -
Page 63: Removing Propeller
Make sure to use a new cotter pin and bend the ends over securely. Otherwise, the propeller could come off during oper- ation and be lost. Apply Yamaha marine grease or a corro- Check the propeller shaft oil seal for dam- ● sion resistant grease to the propeller age. -
Page 64: Changing Gear Oil
Severe injury could case may be damaged. Have a occur if the outboard motor accidental- Yamaha dealer check and repair the ly falls. outboard motor. [ECM00713] TIP:... -
Page 65: Cleaning Fuel Tank
EMU29313 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. -
Page 66: Checking Battery (For Electric Start Models)
Consult a tery’s charge. If the battery needs charg- Yamaha dealer for inspection and replace- ing, consult your Yamaha dealer. ment of internal anodes attached to the pow- Check the battery connections. They er unit. -
Page 67: Disconnecting The Battery
Maintenance nect the black battery cable to the NEG- ATIVE (-) terminal. 1. Red cable 2. Black cable 3. Battery The electrical contacts of the battery and cables must be clean and properly con- nected, or the battery will not start the engine. -
Page 68: Trouble Recovery
Q. Has fuel pump malfunctioned? If your outboard motor requires repair, bring A. Have serviced by a Yamaha dealer. it to your Yamaha dealer. If the engine trouble-alert indicator is flash- Q. Are spark plug(s) fouled or of incorrect ing, consult your Yamaha dealer. - Page 69 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.
- Page 70 Q. Is fuel system obstructed? Q. Is water pump or thermostat faulty? A. Check for pinched or kinked fuel line or A. Have serviced by a Yamaha dealer. other obstructions in fuel system. Q. Is there excess water in fuel filter cup? Q.
-
Page 71: Temporary Action In Emergency
EWM00631 Q. Is steering pivot loose or damaged? WARNING A. Tighten or have serviced by a Yamaha Substituting an incorrect fuse or a piece dealer. of wire could allow excessive current EMU29433 flow. -
Page 72: Starter Will Not Operate
Keep loose clothing and 3. Spare fuse (20 A) other objects away when starting the Consult your Yamaha dealer if the new fuse engine. Use the emergency starter rope immediately blows again. only as instructed. Do not touch the fly-... -
Page 73: Treatment Of Submerged Motor
ZMU03002 EMU33501 Treatment of submerged motor If the outboard motor is submerged, immedi- ately take it to a Yamaha dealer. Otherwise some corrosion may begin almost immedi- ZMU02958 ately. NOTICE: Do not attempt to run the outboard motor until it has been com- pletely inspected. - Page 74 YAMAHA MOTOR CO., LTD. Printed in Japan March 2010–0.2 1 ! Printed on recycled paper...