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Read this manual carefully before operating this machine.


   Summary of Contents for Yamaha EF4500iSE

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    Generator OWNER’S MANUAL Read this manual carefully before operating this machine. EF4500iSE LIT-19626-01-72 7XF-28199-12...

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    Read this manual carefully before operating this machine. This manual should stay with this machine if it is sold.

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    INTRODUCTION Congratulations on your purchase of your new Yamaha. This manual will provide you with a good basic understanding of the operation and maintenance of this machine. If you have any questions regarding the operation or maintenance of your machine, please consult a Yamaha dealer.

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    If there is any question concerning this manu- al, please consult a Yamaha dealer. A TIP provides key information to make 9 This manual should be considered a procedures easier or clearer.

  • Page 5: Table Of Contents

    EXHAUST EMISSION CONTROL Overload indicator light (red) ....10 SYSTEM AND COMPONENTS.....43 Fuel tank cap ........11 WIRING DIAGRAM .......45 Fuel cock knob ........11 YAMAHA MOTOR CORPORATION, Ground (earth) terminal ......11 U.S.A. Caster lock lever.........11 EF SERIES GENERATORS PREPARATION........12 3-YEAR LIMITED WARRANTY....47 Fuel.............12...

  • Page 6: Safety Information

    SAFETY INFORMATION 9 This generator is not designed for on-board use. Do not use it while installed on the vehicle. 9 Do not modify the generator or use it with its parts removed. 9 Do not allow children to operate the generator. 9 Be sure to carry the generator only by its carrying handles.

  • Page 7: Exhaust Fumes Are Poisonous

    Exhaust fumes are poisonous 9 Never operate the generator in a closed area or it may cause unconsciousness and death within a short time. Operate the generator in a well venti- lated area. 741-7XFa Fuel is highly flammable and poisonous 9 Always turn off the generator when refuelling.

  • Page 8: Electric Shock Prevention

    9 Keep the generator at least 1 m (3 ft) from build- ings or other equipment, or the engine may over- heat. a 1 m (3 ft) 741-7XFg 9 Do not operate the generator with a dust cover or other objects covering it. 9 When covering the generator, be sure to do so only after the engine and muffler have completely 741-7XFh...

  • Page 9: Connection Notes

    Connection notes 9 Avoid connecting the generator to commercial power outlet. 9 Avoid connecting the generator in parallel with any other generator. 1 Correct 2 Incorrect Connection WARNING Before the generator can be connected to a build- ing’s electrical system, a licensed electrician must install an isolation (transfer) switch in the build- ing’s main fuse box.

  • Page 10: Location Of Important Labels

    Maintain or replace safety and instruction labels, as necessary. 4 5 6 7 HOT EXHAUST 7WL-28176-10 EF4500iSE AC output 60Hz Rated 4000VA 120V Phase Single Fuel Gasoline YAMAHA MOTOR POWERED PRODUCTS CO.,LTD. MADE IN JAPAN 7XF-24164-10 – 5 –...

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    The air index of this engine is 3 EMISSION CONTROL INFORMATION (California only) YAMAHA MOTOR POWERED PRODUCTS CO.,LTD. This engine meets 20** California exhaust and evaporative emission regulations for small off-road engines. THIS ENGINE MEETS U.S. EPA EXH EVP REGS FOR 20**.

  • Page 12: Description

    DESCRIPTION 1 Carrying handles (shaded) 2 Fuel tank cap 3 Fuel level gauge 4 Muffler 5 Caster lock lever 6 Oil filler cap 7 Oil drain plug 8 Battery 793-7XFa 793-7XFb Control panel 1 Hour meter 2 Power meter 3 AC protector 4 AC receptacle 5 Engine switch 6 Fuel cock knob...

  • Page 13: Control Function

    CONTROL FUNCTION Engine switch The engine switch controls the ignition system. 7 “ON” 763-119 Ignition circuit is switched on. The engine can be started. 2 5 “STOP” Ignition circuit is switched off. The engine will not run. 3 6 “START” Starting circuit is switched on.

  • Page 14: Ac Protector

    793-7XFe NOTICE Reduce the load to within specified the generator rated output if the AC protector turns off. If the turns off again, consult a Yamaha dealer. Press the switch to “Reset” the AC protector. “Reset” “OFF” 763-238a Hour meter The hour meter shows the total number of hours the generator has been run.

  • Page 15: Ac Pilot Light (green)

    AC pilot light (green) The AC pilot light comes on when the engine starts and produces power. 1 AC pilot light 763-7XFc Overload indicator light (red) The overload indicator light comes on when an over- load of a connected electrical device is detected, the inverter control unit overheats, or the AC output volt- age rises.

  • Page 16: Fuel Tank Cap

    Fuel tank cap Remove the fuel tank cap by turning it counterclock- wise. 707-7XFb Fuel cock knob The fuel cock supplies fuel from the fuel tank to the carburetor. The fuel cock has two positions. 1 Fuel cock knob 763-7XFb “ON”...

  • Page 17: Preparation

    Fuel tank capacity: Total: 17.0 L (4.49 US gal, 3.74 Imp gal) Your Yamaha engine has been designed to use regu- lar unleaded gasoline with a pump octane number ((R + M)/2) of 86 or higher, or research octane number of 91 or higher.

  • Page 18: Engine Oil

    Engine oil NOTICE The generator has been shipped without engine oil. Do not start the engine until you have filled it with the sufficient engine oil. 1. Place the generator on a level surface. 2. Remove the screws, and then pull outward on the areas of rear cover shown.

  • Page 19: Battery Preparation

    Battery preparation (See page 31) WARNING 9 Electrolyte is poisonous and dangerous since it contains sulfuric acid, which causes severe burns. Avoid any contact with skin, eyes or clothing and always shield your eyes when working near batteries. In case of contact, administer the following FIRST AID.

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    6. Install the battery onto the tray. 7. Install the battery plate and tighten the wing nuts. 8. Connect the negative lead (black) to the negative (–) battery terminal. 8 Negative lead (black) 9 Negative (–) battery terminal 762-7XFd 9. Install the rear cover and tighten the screws. –...

  • Page 21: Pre-operation Check

    9 Check oil level in engine. 9 If necessary, add recommended oil to specified level. 9 Check generator for oil leakage. The point where abnormality was recognized by use. 9 Check operation. 9 If necessary, consult a Yamaha dealer. – 16 –...

  • Page 22: Operation

    OPERATION WARNING 9 Never operate the engine in a closed area or it may cause unconsciousness and death within a short time. Operate the engine in a well ven- tilated area. 9 Before starting the engine, do not connect any electric devices.

  • Page 23: Stopping The Engine

    3. Turn the engine switch to “START”. Take your hand off the switch immediately after the engine starts. 1 6 “START” 763-120a NOTICE If the engine fails to start, release the switch, wait a few seconds, then try again. Each attempt should be as short as possible to preserve the bat- tery.

  • Page 24: Connection

    Connection Alternating Current (AC) WARNING Be sure any electric devices are turned off before plugging them in. NOTICE 9 Be sure all electric devices including the lines and plug connections are in good condition before connection to the generator. 9 Be sure the total load is within generator rated output.

  • Page 25: Application Range

    When using the generator, make sure the total load is within rated output of a generator. Otherwise, generator damage may occur. 0.4 – 0.75 Power factor 0.8 – 0.95 (Efficiency 0.85) EF4500iSE – 4,000W – 3,200W – 1,360W 9 “–” means below. 9 Application wattage indicates when each device is used by itself.

  • Page 26: Periodic Maintenance

    The most impor- tant points of generator inspection, adjustment, and lubrication are explained on the fol- lowing pages. WARNING If you are not familiar with maintenance work, have a Yamaha dealer do it for you. AE00403 Maintenance chart WARNING Stop the engine before starting maintenance work.

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    *1·····Initial replacement of the engine oil is after one month or 20 hours of operation. *2·····The air filter element needs to be cleaned more frequently when using in unusually wet or dusty areas. #····· Since these items require special tools, data and technical skills, have a Yamaha dealer perform the ser- vice.

  • Page 28: Spark Plug Inspection

    Spark plug inspection The spark plug is an important engine component, which should be checked periodically. 1. Remove the screws, and then pull outward on the areas of front cover shown. 788-7XFa 1 Screws 2 Front cover 2. Remove the spark plug cap and then remove the spark plug.

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    5. Install the spark plug. Spark plug torque: 20 Nm (2.0 m·kgf, 14 ft·lbf) If a torque wrench is not available when installing a spark plug, a good estimate of the correct torque is 1/4-1/2 turn past finger tight. However, the spark plug should be tightened to the specified torque as soon as possible.

  • Page 30: Carburetor Adjustment

    Carburetor adjustment The carburetor is a vital part of the engine. Adjusting should be left to a Yamaha dealer with the profession- al knowledge, specialized data, and equipment to do so properly. Engine oil replacement WARNING Avoid draining the engine oil immediately after stopping the engine.

  • Page 31: Air Filter

    6. Install the oil drain bolt. Oil drain bolt torque: 30 Nm (3.0 m·kgf, 22 ft·lbf) 7. Add engine oil to the upper level. 700-006a 1 Upper level 0°C 25°C å YAMALUBE 4 (10W-40) Recommended engine oil: å YAMALUBE 4 (10W-40), SAE 10W-30 or 10W-40 ∂...

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    3. Remove the air filter case cover and foam ele- ment. 1 Air filter case cover 2 Foam element 4. Wash the foam element in solvent and dry it. WARNING Never use solvent while smoking or in the vicinity of an open flame. 5.

  • Page 33: Muffler Screen And Spark Arrester

    Muffler screen and spark arrester WARNING The engine and muffler will be very hot after the engine has been run. Avoid touching the engine and muffler while they are still hot with any part of your body or clothing 741-7XFl during inspection or repair.

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    3. Remove the carbon deposits on the muffler screen and spark arrester using a wire brush. NOTICE When cleaning, use the wire brush lightly to avoid damaging or scratching of the muffler screen and 711-075 spark arrester. 4. Check the muffler screen and spark arrester. Replace them if damaged.

  • Page 35: Fuel Tank Filter

    Fuel tank filter WARNING Never use the gasoline while smoking or in the vicinity of an open flame. 1. Remove the fuel tank cap and fuel filter. 1 Fuel filter 2. Clean the fuel filter with gasoline. Replace it if damaged. 3.

  • Page 36: Battery

    9 KEEP THIS AND ALL BATTERIES OUT OF THE 762-012 REACH OF CHILDREN. To charge the battery Have a Yamaha dealer charge the battery as soon as possible if it seems to have discharged. NOTICE To charge a VRLA battery, a special (constant-volt- age) battery charger is required.

  • Page 37: Fuse Replacement

    1 Screws 2 Front cover 788-7XFa 2. Replace the fuse with one of proper amperage. Specified fuse: 20A If the fuse immediately blows again, consult a Yamaha 779-7XF dealer. 3. Install the front cover and tighten the screws. – 32 –...

  • Page 38: Storage

    STORAGE Long term storage of your generator will require some preventive procedures to guard against deterioration. Drain the fuel 1. Turn the engine switch to “STOP”. 5 “STOP” 763-120b 2. Remove the fuel tank cap. Extract the fuel from the fuel tank into an approved gasoline container using a commercially available handsiphon.

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    5. Remove the screws, and then pull outward on the areas of front cover shown. 1 Screws 2 Front cover 788-7XFa 6. Drain the fuel remaining in the carburetor into an approved container by loosening the drain screw on the carburetor float chamber. Drain s crew 7.

  • Page 40: Engine

    Engine Perform the following steps to protect the cylinder, pis- ton ring, etc. from corrosion. 1. Remove the spark plug cap and spark plug, pour about one tablespoon of SAE 10W-30 or 20W-40 motor oil into spark plug hole and reinstall the spark plug only.

  • Page 41: Battery

    Battery 1. Remove the battery. 2. Store the battery in a cool, dark and dry place and charge it once a month. Do not store the battery in an excessive cold or warm place [i.e., less than 0°C (30°F) or more than 30°C (90°F)].

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  • Page 43: Troubleshooting

    Poor spark 2 Spark plug dirty with carbon or wet ..Remove carbon or wipe spark plug dry. 2 Faulty ignition system ..Consult a Yamaha deal- 791-001d Generator won’t produce power 2 Safety device (AC protector) to “OFF” ..Press the AC protector to “Reset”.

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    Does not spark. Clean R Check the following Clogged 9 Fuel cock clogging replace W Engine does not start. 9 Air cleaner element clogging. Consult a Yamaha dealer. – 39 –...

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    Faulty battery and/or starter motor. Consult a Yamaha dealer. Check engine oil level. Level low Consult a Add engine oil. Yamaha dealer. Check the spark plug. 9 Type: BPR4ES 9 Gap: 0.7–0.8 (0.028–0.031) mm (in) Incorrect Replace or Clean the spark adjust gap.

  • Page 46: Specifications

    SPECIFICATIONS Dimensions Unit EF4500iSE Overall Length mm (in) 780 (30.7) Overall Width mm (in) 616 (24.3) Overall Height mm (in) 692 (27.2) Dry Weight kg (lb) 88 (194) Engine Unit EF4500iSE Type Air cooled 4-stroke gasoline OHV Cylinder Arrangement Inclined, 1 cylinder Displacement ×...

  • Page 47: Consumer Information

    PRI-I.D. NUMBER: Identification number records Record your Primary I.D., and serial num- bers in the spaces provided, to assist you MODEL in ordering spare parts from a Yamaha dealer. PRI-I.D. Also record and keep these I.D. numbers SERIAL No. CODE in a separate place in case your machine is stolen.

  • Page 48: Exhaust Emission Control System And Components

    ROAD ENGINES. The acronyms conform to the latest version of the SAE’s recommended practice docu- ment J1930, “Diagnostic Acronyms, Terms, and Definitions For Electrical/Electronic System”. It is recommended that these items be serviced by a Yamaha dealer. – 43 –...

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  • Page 50: Wiring Diagram

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  • Page 52: Yamaha Motor Corporation

    Yamaha generator service dealer will, All 1995 and Later EF Models free of charge, repair or replace, at Yamaha’s Two (2) years from the original purchase date option, any part judged defective by Yamaha due to faulty workmanship or material from the factory.

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    Yamaha Motor exactly as specified in the Owner’s Manual? Corporation, U.S.A. by the selling dealer at the A. No. The warranty on a new Yamaha cannot time of your purchase. If you should move after be “voided” or “cancelled.”...

  • Page 55: Yamaha Outdoor Power

    If any evaporative emission- coverage, you should contact Yamaha Customer related part on your equipment is defective, the Relations at 1-800-962-7926. part will be repaired or replaced by Yamaha. YAMAHA MOTOR CORPORATION, USA Post Office Box 6555 Cypress, California 90630...

  • Page 56: Yamaha Motor Corporation

    Yamaha recommends that you retain all receipts covering maintenance on your SORE engine, but Yamaha cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance.

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    instructions required by subsection (d) must be warranted for the warranty period defined in Subsection (b)(2). If any such part fails during the period of warranty coverage, it must be repaired or replaced by the manufacturer according to Subsection (4) below. Any such part repaired or replaced under the warranty must be warranted for the remaining warranty period.

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    This work must be done at an authorized Yamaha dealer. Give notice to an authorized Yamaha dealer of any apparent defects(s) within a reasonable period of time after discovery. The SORE engine must be made available for inspection by an authorized Yamaha dealer.

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    This warranty does not cover damage resulting from accidents, acts of nature, or other events or occur- rences beyond the control of Yamaha. Yamaha Motor Corporation, U.S.A. expressly disclaims responsi- bility for any and all consequential damages, such as loss of time, inconvenience, loss or use of the SORE engine, or commercial loss.

  • Page 60: Yamaha Extended Service (y.e.s.)

    9 Y.E.S. is flexible. You can choose the plan that’s right for you: 12 months, 24 months or 36 months coverage. 9 Y.E.S. is administered by the same Yamaha people that handle your warranty - and it shows in the comprehensive coverage benefits. There are no hour limitations and Y.E.S. covers manufacturing defects just like your warranty.

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