GeneratorLIT-19626-01-757DA-F8199-12PRINTED ON RECYCLED PAPERPRINTED IN CHINA2011.02-0.1×1 !(E)EF4000DEEF4000DOWNER’S MANUALRead this manual carefully
– 5 –LOCATION OF IMPORTANT LABELSPlease read the following labels carefully before oper-ating this generator.TIPMaintain or replace safety and instruc
– 6 –EF4000DE7892416153768241153EF4000Dewq11r30ewq13091rDESCRIPTION1 Carrying handles (shaded)2 Fuel tank cap3 Engine hanger4 Fuel level gauge5 Fuel t
– 7 –3 4586772134765521Control panel(For EF4000DE)1 Starter switch2 Economy controlswitch3 Engine switch4 Oil warning light5 Voltage meter6 G.F.C.I. r
12763-121– 8 –700-027cOil warning light (red)When the oil level falls below the lower level, the oilwarning light comes on and then the engine stopsau
– 9 –11B∫ Supplies AC 120 V and 240 VReduce the load to the specified generator ratedoutput if the AC switch (N.F.B.) turns off. If it turnsoff again,
– 10 –12763-0833763-060G.F.C.I. receptacleTO REDUCE THE CHANCE OF ELECTRICALSHOCK:9 Do not attempt to operate electric devices ifthe ground fault circ
– 11 –707-051a705-037i121741-128Fuel tank capRemove the fuel tank cap by turning it counterclock-wise.Fuel cock leverThe fuel cock supplies fuel from
1 Fuel level gaugeYour Yamaha engine has been designed to use regu-lar unleaded gasoline with a pump octane number ((R+ M)/2) of 86 or higher, or rese
– 13 –700-0681700-11020°Cå YAMALUBE 4 (10W-40)∂ SAE 10Wç SAE #20∫ SAE #3032°F25°C80°F700-006Engine oilThe generator has been shipped without engineoil
– 14 –830-002a762-012Battery installation (For EF4000DE)(See page 33 and 38 for more details)9 Electrolyte is poisonous and dangerous sinceit contains
Read this manual carefully before operating this machine.This manual shouldstay with this machine if it is sold.7DA-F8199-12_hyoshi 2011.2.18 15:19
– 15 –9 Be sure to service battery leads to prevent arc-ing when the battery is not installed.9 Disconnect the battery charging output lead.Then insul
– 16 –PRE-OPERATION CHECKIf any item in the Pre-operation check is not work-ing properly, have it inspected and repaired beforeoperating the generator
763-126a1– 17 –11OPERATION9 Never operate the engine in a closed area or itmay cause unconsciousness and death withina short time. Operate the engine
– 18 –1763-011aElectric starting model: (For EF4000DE)4. Push the starter switch to start the engine.1 Starter switch9 Take your hand off the switch i
– 19 –701-025c1704-010701-025d1Manual starting model: (For EF4000D)4. Turn the choke lever to “1” .1 Choke leverTIPThe choke is not required to start
– 20 –763-126a1B705-0381763-130a11. Turn the AC switch (N.F.B.) and economy controlswitch to “OFF”.1 3 “OFF”å AC switch (N.F.B.) ∫ Economy control swi
– 21 –ConnectionAlternating Current (AC)Be sure any electric devices are turned off beforeplugging it in.9 Be sure all electric devices including the
– 22 –240V120V120VGR779-017WXGY763-126a1C1114. Turn the AC switch (N.F.B.) and economy controlswitch to “ON” and turn on any electric devices.1 I “ON”
– 23 –Application rangeWhen using the generator, make sure the total load is within rated output of a generator.Otherwise, generator damage may occur.
– 24 –PERIODIC MAINTENANCESafety is an obligation of the owner. Periodic inspection, adjustment and lubrication willkeep your generator in the safest
INTRODUCTIONCongratulations on your purchase of your new Yamaha.This manual will provide you with a good basic understanding of the operation andmaint
– 25 –*1·····Initial replacement of the engine oil is after one month or 20 hours of operation.*2·····The air filter element needs to be replaced more
a GapTIPThe spark plug gap should be measured with a wirethickness gauge and, if necessary, adjusted to specifi-cation.4. Install the spark plug.TIPIf
– 27 –700-006a10°Cå YAMALUBE 4 (10W-40)∂ SAE 10Wç SAE #20∫ SAE #3032°F25°C80°F32700-06741Engine oil replacementAvoid draining the engine oil immediate
– 28 –Be sure no foreign material enters the crankcase.7. Install the oil filler cap.NOTICEAir filter1. Remove the screws, and then remove the air fil
– 29 –TIPBe sure the foam element sealing surface matches theair filter case so there is no air leak.6. Install the air filter case cover and tighten
– 30 –711-022711-0505. Remove the carbon deposits on the mufflerscreen and spark arrester using a wire brush.When cleaning, use the wire brush lightly
– 31 –321Fuel cockNever use the gasoline while smoking or in thevicinity of an open flame.1. Stop the engine.2. Turn the fuel cock lever to “OFF”.3. R
– 32 –707-043b1Fuel tank filterNever use the gasoline while smoking or in thevicinity of an open flame.1. Remove the fuel tank cap and fuel filter.1 F
– 33 –830-00212762-002762-012Battery (For EF4000DE)Replenishing the battery fluid9 Electrolyte is poisonous and dangerous sinceit contains sulfuric ac
Recommended battery (For EF4000DE)Recommended battery:Capacity: 12 V/26 Ah– 34 –779-034b2Fuse replacement (For EF4000DE)Be sure to use specified fuse.
IMPORTANT MANUAL INFORMATIONParticularly important information is distin-guished in this manual by the followingnotations.This is the safety alert sym
– 35 –763-083a2134763-059G.F.C.I. receptacle test1. Start the engine.2. Turn the AC switch (N.F.B.) to “ON”.3. Press the test button, then check the p
– 36 –STORAGELong term storage of your generator will require somepreventive procedures to guard against deterioration.Drain the fuel1. Turn the engin
– 37 –712-0106. Drain the fuel remaining in the carburetor into anapproved container by loosening the drain screwon the carburetor float chamber.1 Dra
– 38 –762-003Battery (For EF4000DE)1. Remove the battery.First, disconnect the negative battery lead, andthen the positive battery lead.2. Check the f
– 39 –— MEMO — 7DA-F8199-12-B 2011.2.21 13:11 Page 39
– 40 –707-001705-037a1700-006TROUBLESHOOTINGEngine won’t start1. Fuel systemsNo fuel supplied to combustion chamber.2 No fuel in tank ... Supply fuel
– 41 –A ENGINE DOES NOT STARTBTurn the engine switch to “ON”, then pushthe starter switch. And check if the startermotor cranks.C Cranks D Does not cr
– 42 –Faulty battery and/or starter motor.Consult a Yamaha dealer.EI Check engine oil level.JOKKLevel lowConsult a Yamaha dealer.Add engine oil.O Chec
– 43 –BC Does not flicker D FlickersFor EF4000DA ENGINE DOES NOT STARTTurn the engine switch to “ON”, then pullthe recoil starter and check if the oil
– 44 –Unit EF4000DE/EF4000DType Air cooled 4-stroke gasoline OHVCylinder arrangementInclined, 1 cylinderDisplacement cm3357Bore × stroke mm (in) 85.0
CONTENTSSAFETY INFORMATION ...1Exhaust fumes are poisonous ...1Fuel is highly flammable and poisonous ...
– 45 –Identification number recordsRecord your Primary I.D., and serial num-bers in the spaces provided, to assist youin ordering spare parts from a Y
– 46 –EXHAUST EMISSION CONTROL SYSTEM AND COMPONENTSItem Acronym9 CARB. ASSY., LH. & JT., ...CARB (Carburetor)CARBURETOR29 T.C
– 47 –EF4000DE1 Rotor assembly 2 Stator coil3 Main coil4 Sub coil5 Voltage meter6 AC switch (N.F.B.)7 G.F.C.I. receptacle8 AC receptacle9 Engine switc
– 48 –EF4000DV L/R0werYGRR R LBLB/WG/RL/RL/WBRG/YLGGGGBrGY L/WGYL/WLGYYYYB/WYB/WBYLB/WB/WBYYG/R G/RL/W L/WBBYG/RL/WBYG/RG/Y G/Y G/YG/YL/WBBrBr Br BrBr
– 49 –ENGINE HANGER INSTALLATIONBATTERY TRAY INSTALLATION (For EF4000DE) 7DA-F8199-12-B 2011.2.21 13:11 Page 49
– 50 –OPTIONAL PARTS INSTALLATIONTwo wheel kit 7DA-F8199-12-B 2011.2.21 13:11 Page 50
– 51 –YAMAHA MOTOR CORPORATION, U.S.A. EF SERIES GENERATORS 3-YEAR LIMITED WARRANTYYamaha Motor Corporation, U.S.A. hereby war-rants that new Yamaha g
– 52 –DAMAGES INCLUDING LOSS OF USE. SOMESTATES DO NOT ALLOW THE EXCLUSION ORLIMITATION OF INCIDENTAL OR CONSEQUEN-TIAL DAMAGES, SO THE ABOVE EXCLUSIO
– 53 –WARRANTY QUESTIONS AND ANSWERSQ. Is the warranty transferable to second own-ers?A. Yes. The remainder of the existing warrantycan be transfere
– 54 –YAMAHA OUTDOOR POWER EQUIPMENTCALIFORNIA EVAPORATIVE EMISSION CONTROL WARRANTY STATEMENTYOUR WARRANTY RIGHTS AND OBLIGATIONSThe California Air R
– 1 –741-002Exhaust fumes are poisonous9 Never operate the engine in a closed area or itmay cause unconsciousness and death within ashort time. Operat
– 55 –YAMAHA MOTOR CORPORATION, U.S.A.SMALL OFF ROAD ENGINESCALIFORNIA EMISSION CONTROL WARRANTYYOUR WARRANTY RIGHTS AND OBLIGATIONSThe California Air
– 56 –instructions required by subsection (d) must be warranted for the warranty period defined inSubsection (b)(2). If any such part fails during th
– 57 –5. Air Injection SystemAir pump or pulse valveValves affecting distribution of flowDistribution manifold6. Catalyst or Thermal Reactor SystemC
– 58 –This warranty does not cover damage resulting from accidents, acts of nature, or other events or occur-rences beyond the control of Yamaha. Yama
– 59 –YAMAHA EXTENDED SERVICE (Y.E.S.) Keep your Yamaha Generator protected even after your warranty expires with genuine Yamaha ExtendedService (Y.E.
Read this manual carefully before operating this machine.This manual shouldstay with this machine if it is sold.7DA-F8199-12_hyoshi 2011.2.18 15:19
GeneratorLIT-19626-01-757DA-F8199-12PRINTED ON RECYCLED PAPERPRINTED IN CHINA2011.02-0.1×1 !(E)EF4000DEEF4000DOWNER’S MANUALRead this manual carefully
To begin your 3 year warranty coverage, please register online within 30 days of purchase:www.yamahawarrantyregistration.comIf you prefer, you can com
PLACESTAMPHEREYAMAHA MOTOR CORPORATION U.S.A.P.O. BOX 6555CYPRESS, CA 90630ATTN: WARRANTY DEPARTMENT
– 2 –741-008aa9 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- 006741-007Engi
– 3 –9 Connect the ground lead of the generator to theground (earth) terminal and connect the end to theground electrode buried in the ground.1 Groun
– 4 –741-040a1212Connection notes9 Avoid connecting the generator to commercialpower outlet.9 Avoid connecting the generator in parallel with anyother
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