Owners Manual
Page 3
... Primary I.D., and serial numbers in the spaces provided, to assist you in ordering spare parts from a Yamaha dealer. Keep a record of these I .D. CODE SERIAL No. AE00022 EF4000DE/EF5200DE/EF6600DE YG4000D/YG5200D/YG6600D/YG6600DE OWNER'S MANUAL © 2003 by Yamaha Motor Corporation, U.S.A. 1st Edition, August 2003 All rights reserved. P/N LIT-19626-01-15 NUMBER: MODEL PRI-I.D. AE00011 MACHINE IDENTIFICATION The machine serial number is expressly prohibited...
... Primary I.D., and serial numbers in the spaces provided, to assist you in ordering spare parts from a Yamaha dealer. Keep a record of these I .D. CODE SERIAL No. AE00022 EF4000DE/EF5200DE/EF6600DE YG4000D/YG5200D/YG6600D/YG6600DE OWNER'S MANUAL © 2003 by Yamaha Motor Corporation, U.S.A. 1st Edition, August 2003 All rights reserved. P/N LIT-19626-01-15 NUMBER: MODEL PRI-I.D. AE00011 MACHINE IDENTIFICATION The machine serial number is expressly prohibited...
Owners Manual
Page 5
... ENGINE SWITCH 13 STARTER SWITCH 13 AC SWITCH (N.F.B 14 ECONOMY IDLE SWITCH 14 VOLTAGE ADJUSTER 15 G.F.C.I . RECEPTACLE TEST ..........35 TROUBLESHOOTING 36 STORAGE 40 DRAIN THE FUEL 40 ENGINE 40 BATTERY 41 EXHAUST EMISSION CONTROL SYSTEM AND COMPONENTS...........42 SPECIFICATIONS 43 DIMENSIONS 43 ENGINE 43 GENERATOR 43 WIRING DIAGRAM EF4000DE 44 EF5200DE 45 EF6600DE 46 YG4000D 47 YG5200D 48 YG6600D 49 YG6600DE 50 BATTERY TRAY INSTALLATION ......51 ENGINE HANGER INSTALLATION ...51 OPTIONAL PARTS INSTALLATION...
... ENGINE SWITCH 13 STARTER SWITCH 13 AC SWITCH (N.F.B 14 ECONOMY IDLE SWITCH 14 VOLTAGE ADJUSTER 15 G.F.C.I . RECEPTACLE TEST ..........35 TROUBLESHOOTING 36 STORAGE 40 DRAIN THE FUEL 40 ENGINE 40 BATTERY 41 EXHAUST EMISSION CONTROL SYSTEM AND COMPONENTS...........42 SPECIFICATIONS 43 DIMENSIONS 43 ENGINE 43 GENERATOR 43 WIRING DIAGRAM EF4000DE 44 EF5200DE 45 EF6600DE 46 YG4000D 47 YG5200D 48 YG6600D 49 YG6600DE 50 BATTERY TRAY INSTALLATION ......51 ENGINE HANGER INSTALLATION ...51 OPTIONAL PARTS INSTALLATION...
Owners Manual
Page 6
... appropriate Owner's Manual; 2. SPECIFIC EXCLUSIONS from an authorized Yamaha consumer generator dealer in warranty repairs will be warranted for the period of purchase, subject to an authorized Yamaha consumer generator dealer of business. ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH EXCEED THE OBLIGATIONS AND TIME LIMITS STATED IN THIS WARRANTY ARE HEREBY DISCLAIMED BY YAMAHA MOTOR...
... appropriate Owner's Manual; 2. SPECIFIC EXCLUSIONS from an authorized Yamaha consumer generator dealer in warranty repairs will be warranted for the period of purchase, subject to an authorized Yamaha consumer generator dealer of business. ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH EXCEED THE OBLIGATIONS AND TIME LIMITS STATED IN THIS WARRANTY ARE HEREBY DISCLAIMED BY YAMAHA MOTOR...
Owners Manual
Page 7
... HEREBY DISCLAIMED BY YAMAHA MOTOR CORPORATION, U.S.A. SPECIFIC EXCLUSIONS from the date of the product's warranty period. Post Office Box 6555 Cypress, California 90630 -2- AND YG-SERIES INDUSTRIAL GENERATOR LIMITED WARRANTY Yamaha Motor Corporation, U.S.A. hereby warrants that the unit be to genuine Yamaha parts. DURING THE PERIOD OF WARRANTY any authorized Yamaha industrial generator dealer will, free of charge, repair or replace, at such...
... HEREBY DISCLAIMED BY YAMAHA MOTOR CORPORATION, U.S.A. SPECIFIC EXCLUSIONS from the date of the product's warranty period. Post Office Box 6555 Cypress, California 90630 -2- AND YG-SERIES INDUSTRIAL GENERATOR LIMITED WARRANTY Yamaha Motor Corporation, U.S.A. hereby warrants that the unit be to genuine Yamaha parts. DURING THE PERIOD OF WARRANTY any authorized Yamaha industrial generator dealer will, free of charge, repair or replace, at such...
Owners Manual
Page 8
... cancelled if I perform any specific questions on a new Yamaha cannot be done by sending a postcard listing your Yamaha model name, engine number, dealer number (or dealer's name) as transportation due to bring your purchase. Be sure to a failure? If a question or problem arises regarding warranty, first contact the owner of purchase. May I do recommend, however, that Yamaha Motor Corporation, U.S.A. Check the...
... cancelled if I perform any specific questions on a new Yamaha cannot be done by sending a postcard listing your Yamaha model name, engine number, dealer number (or dealer's name) as transportation due to bring your purchase. Be sure to a failure? If a question or problem arises regarding warranty, first contact the owner of purchase. May I do recommend, however, that Yamaha Motor Corporation, U.S.A. Check the...
Owners Manual
Page 9
...electrical system unless an isolation switch has been installed by a licensed electrician. THIS ENGINE MEETS zzzz-zzzz CALIFORNIA EMISSION REGULATIONS FOR SMALL OFF-ROAD ENGINES. ENGINE OIL: SAE 10W-30 TYPE SE EX: z.zz~z.zz 6 ENGINE AIR INDEX ( C ...ENGINES. EMISSIONS COMPLIANCE PERIOD:CATEGORY A (EPA) YAMAHA MOTOR CO. e twy r q AE00062 LOCATION OF IMPORTANT LABELS (For EF4000DE/YG4000D) Please read the following labels carefully before operating this generator to the owner's manual. EXHAUST GAS CONTAINS POISONOUS CARBON MONOXIDE. 8 CHECK FOR SPILLED FUEL OR FUEL LEAKS. 8 STOP ENGINE...
...electrical system unless an isolation switch has been installed by a licensed electrician. THIS ENGINE MEETS zzzz-zzzz CALIFORNIA EMISSION REGULATIONS FOR SMALL OFF-ROAD ENGINES. ENGINE OIL: SAE 10W-30 TYPE SE EX: z.zz~z.zz 6 ENGINE AIR INDEX ( C ...ENGINES. EMISSIONS COMPLIANCE PERIOD:CATEGORY A (EPA) YAMAHA MOTOR CO. e twy r q AE00062 LOCATION OF IMPORTANT LABELS (For EF4000DE/YG4000D) Please read the following labels carefully before operating this generator to the owner's manual. EXHAUST GAS CONTAINS POISONOUS CARBON MONOXIDE. 8 CHECK FOR SPILLED FUEL OR FUEL LEAKS. 8 STOP ENGINE...
Owners Manual
Page 10
... FUEL LEAKS. 8 STOP ENGINE BEFORE REFUELING. 8 DO NOT OPERATE NEAR FLAMMABLE MATERIALS. 8 ELECTROCUTION CAN OCCUR IF GENERATOR IS USED IN RAIN, SNOW, OR NEAR WATER. GARDEZ LA MACHINE AU SEC EN TOUTES CIRCONSTANCES. 7NJ-24162-10 4 IMPORTANT ENGINE INFORMATION ENGINE FAMILY : zzzzzzzzzzzz E M REFER TO OWNER'S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS. EMISSIONS COMPLIANCE PERIOD:CATEGORY A (EPA) YAMAHA MOTOR CO. ENGINE OIL: SAE 10W-30 TYPE...
... FUEL LEAKS. 8 STOP ENGINE BEFORE REFUELING. 8 DO NOT OPERATE NEAR FLAMMABLE MATERIALS. 8 ELECTROCUTION CAN OCCUR IF GENERATOR IS USED IN RAIN, SNOW, OR NEAR WATER. GARDEZ LA MACHINE AU SEC EN TOUTES CIRCONSTANCES. 7NJ-24162-10 4 IMPORTANT ENGINE INFORMATION ENGINE FAMILY : zzzzzzzzzzzz E M REFER TO OWNER'S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS. EMISSIONS COMPLIANCE PERIOD:CATEGORY A (EPA) YAMAHA MOTOR CO. ENGINE OIL: SAE 10W-30 TYPE...
Owners Manual
Page 13
... a building's electrical system, a licensed electrician must install an isolation (transfer) switch in parallel with any other generator. 1 Correct 2 Incorrect AE00091 CONNECTION w Before the generator can be protected by a tough flexible rubber sheath (IEC 245) or the equivalent to withstand mechanical stresses. -8- The switch is used without an isolation switch. Also, generator and building electrical system damage can electrocute...
... a building's electrical system, a licensed electrician must install an isolation (transfer) switch in parallel with any other generator. 1 Correct 2 Incorrect AE00091 CONNECTION w Before the generator can be protected by a tough flexible rubber sheath (IEC 245) or the equivalent to withstand mechanical stresses. -8- The switch is used without an isolation switch. Also, generator and building electrical system damage can electrocute...
Owners Manual
Page 14
EF4000DE !3e q w !2 !3 u r !0 oi !3 t !3 y AE00101 CONTROL FUNCTION AE00102 DESCRIPTION (for EF4000DE/EF5200DE/EF6600DE) 1 Fuel tank 2 Fuel tank cap 3 Fuel cock 4 Air filter cover 5 Spark plug 6 Muffler 7 Ground (Earth) terminal 8 Oil filler cap 9 Oil drain plug 0 Recoil starter q Voltage adjuster (for EF5200DE/EF6600DE) w Fuel level gauge e Carrying handles (shaded) EF5200DE/EF6600DE !3 w !2 q !3 o i 793-064a !3 t y !1 !3 e !0 r -9-
EF4000DE !3e q w !2 !3 u r !0 oi !3 t !3 y AE00101 CONTROL FUNCTION AE00102 DESCRIPTION (for EF4000DE/EF5200DE/EF6600DE) 1 Fuel tank 2 Fuel tank cap 3 Fuel cock 4 Air filter cover 5 Spark plug 6 Muffler 7 Ground (Earth) terminal 8 Oil filler cap 9 Oil drain plug 0 Recoil starter q Voltage adjuster (for EF5200DE/EF6600DE) w Fuel level gauge e Carrying handles (shaded) EF5200DE/EF6600DE !3 w !2 q !3 o i 793-064a !3 t y !1 !3 e !0 r -9-
Owners Manual
Page 18
... YG6600DE) The starter switch controls the following item. 763-011 Push: Starting circuit is insufficient. Add oil and restart. A q w B q w 700-027c e 763-119 763-121a AE00121 ENGINE SWITCH The engine switch controls the ignition system. 1 7 "ON" Ignition circuit is switched on . The engine will not start , turn the engine switch to "ON" position and then pull the recoil starter. The starter motor starts. å EF4000DE/EF5200DE/EF6600DE ∫ YG4000D...
... YG6600DE) The starter switch controls the following item. 763-011 Push: Starting circuit is insufficient. Add oil and restart. A q w B q w 700-027c e 763-119 763-121a AE00121 ENGINE SWITCH The engine switch controls the ignition system. 1 7 "ON" Ignition circuit is switched on . The engine will not start , turn the engine switch to "ON" position and then pull the recoil starter. The starter motor starts. å EF4000DE/EF5200DE/EF6600DE ∫ YG4000D...
Owners Manual
Page 19
...SWITCH When the economy idle switch is turned to "ON", the engine speed is automatically reduced to idle when the generator load is reduced to 0.8 A or less. using a load of 0.8 A or less. - The results are better fuel consumption and less noise. 1 I "ON" 2 3 "OFF" å EF4000DE/YG4000D ∫ EF5200DE/EF6600DE... Supplies AC 120V and 240V (EF5200DE/EF6600DE/ YG5200D/YG6600D/YG6600DE) cC Reduce the load to the specified generator rated output if the AC switch (N.F.B.) turns off. supplying AC 120V only from W with X. - 14 - If it turns off again, consult a Yamaha dealer. A q w C-1 q...
...SWITCH When the economy idle switch is turned to "ON", the engine speed is automatically reduced to idle when the generator load is reduced to 0.8 A or less. using a load of 0.8 A or less. - The results are better fuel consumption and less noise. 1 I "ON" 2 3 "OFF" å EF4000DE/YG4000D ∫ EF5200DE/EF6600DE... Supplies AC 120V and 240V (EF5200DE/EF6600DE/ YG5200D/YG6600D/YG6600DE) cC Reduce the load to the specified generator rated output if the AC switch (N.F.B.) turns off. supplying AC 120V only from W with X. - 14 - If it turns off again, consult a Yamaha dealer. A q w C-1 q...
Owners Manual
Page 21
...) EF5200DE/EF6600DE/YG5200D/YG6600D/ YG6600DE: 21.0 L (4.62 Imp gal, 5.55 US gal) 707-001 707-037 Your Yamaha engine has been designed to use regular unleaded gasoline with any part of 91 or higher. 1 Fuel level gauge "F" Full "E" Empty 707-051 - 16 - Avoid touching the engine and muffler while they are still hot with a pump octane number ((R + M)/2) of...
...) EF5200DE/EF6600DE/YG5200D/YG6600D/ YG6600DE: 21.0 L (4.62 Imp gal, 5.55 US gal) 707-001 707-037 Your Yamaha engine has been designed to use regular unleaded gasoline with any part of 91 or higher. 1 Fuel level gauge "F" Full "E" Empty 707-051 - 16 - Avoid touching the engine and muffler while they are still hot with a pump octane number ((R + M)/2) of...
Owners Manual
Page 22
...) EF5200DE/EF6600DE/YG5200D/YG6600D/ YG6600DE: 1.1 L (0.97 lmp qt, 1.16 US qt) NOTE: Recommended engine oil classification: API Service "SE" or "SF". Check "SAFETY INFORMATION" (See page 6) carefully before refueling. 9 Do not fill above the top of the oil filler hole. cC The generator has been shipped without engine oil. w 9 Fuel is at the upper level of the fuel filter or it...
...) EF5200DE/EF6600DE/YG5200D/YG6600D/ YG6600DE: 1.1 L (0.97 lmp qt, 1.16 US qt) NOTE: Recommended engine oil classification: API Service "SE" or "SF". Check "SAFETY INFORMATION" (See page 6) carefully before refueling. 9 Do not fill above the top of the oil filler hole. cC The generator has been shipped without engine oil. w 9 Fuel is at the upper level of the fuel filter or it...
Owners Manual
Page 23
... back on itself and carefully wraping it with ground (earth) or any other leads. 9 Remove the battery leads from the generator. 1 Connector 2 Battery leads 3 Electrical tape - 18 - Use only distilled water if refilling is not installed. 9 Disconnect the battery charging output lead. Turn the engine switch to the "STOP" position to prevent electrical con- NOTE: Clamp the red...
... back on itself and carefully wraping it with ground (earth) or any other leads. 9 Remove the battery leads from the generator. 1 Connector 2 Battery leads 3 Electrical tape - 18 - Use only distilled water if refilling is not installed. 9 Disconnect the battery charging output lead. Turn the engine switch to the "STOP" position to prevent electrical con- NOTE: Clamp the red...
Owners Manual
Page 25
... battery. q A B Electric Starting Model: (for YG4000D/YG5200D/YG6600D) 3. Do not crank the engine more than 10 seconds on the recoil starter until the engine does not stop when the choke lever is engaged, then pull it is returned to start a warm engine. Push the starter switch to start , release the switch, wait a few seconds, then try again. q 701-033b q Manual Starting Model: (for EF4000DE/EF5200DE/EF6600DE) q 3. Turn the engine switch...
... battery. q A B Electric Starting Model: (for YG4000D/YG5200D/YG6600D) 3. Do not crank the engine more than 10 seconds on the recoil starter until the engine does not stop when the choke lever is engaged, then pull it is returned to start a warm engine. Push the starter switch to start , release the switch, wait a few seconds, then try again. q 701-033b q Manual Starting Model: (for EF4000DE/EF5200DE/EF6600DE) q 3. Turn the engine switch...
Owners Manual
Page 26
... is within generator rated output otherwise generator damage will occur. Examples include some medical equipment, personal computers, and some inverters that sense peak and RMS voltage values. When the engine is warm,...Power factor EF4000DE/YG4000D EF5200DE/YG5200D EF6600DE YG6600D YG6600DE 1 -3,500W -4,500W -6,000W 0.8-0.95 -2,800W -3,600W -4,800W 0.4-0.75 (Efficiency 0.85) -1,190W -1,530W -2,040W NOTE: 9 "-" means below freezing point, keep the choke lever at the halfway position until the engine is voltage sensitive and may require a more uniform voltage supply than portable generators...
... is within generator rated output otherwise generator damage will occur. Examples include some medical equipment, personal computers, and some inverters that sense peak and RMS voltage values. When the engine is warm,...Power factor EF4000DE/YG4000D EF5200DE/YG5200D EF6600DE YG6600D YG6600DE 1 -3,500W -4,500W -6,000W 0.8-0.95 -2,800W -3,600W -4,800W 0.4-0.75 (Efficiency 0.85) -1,190W -1,530W -2,040W NOTE: 9 "-" means below freezing point, keep the choke lever at the halfway position until the engine is voltage sensitive and may require a more uniform voltage supply than portable generators...
Owners Manual
Page 30
... maintenance is most important for leakage. w Stop the engine before starting maintenance work. Clean fuel cock 8. Replace if 0 necessary. * : It is 0 cold. Check breather 3.* C**rankcase breather system hose for cracks or damage. Engine Oil Replace 0 0 7. *A*ir Filter Clean. Replace if 0 necessary. 2.* *V*alve Clearance Check and adjust when engine is recommended that these items be serviced by a Yamaha dealer. ** : Related to emission control system. - 25...
... maintenance is most important for leakage. w Stop the engine before starting maintenance work. Clean fuel cock 8. Replace if 0 necessary. * : It is 0 cold. Check breather 3.* C**rankcase breather system hose for cracks or damage. Engine Oil Replace 0 0 7. *A*ir Filter Clean. Replace if 0 necessary. 2.* *V*alve Clearance Check and adjust when engine is recommended that these items be serviced by a Yamaha dealer. ** : Related to emission control system. - 25...
Owners Manual
Page 31
... further attention. - 26 - Battery for replacement. Correct if 0 necessary. Generation Check the voltage meter indication or 0 pilot light. Correct if necessary. 0 0 * : It is recommended that these items be serviced by a Yamaha dealer. ** : Related to emission control system. No. cC Use only Yamaha specified genuine parts for EF4000DE 17. EF5200DE EF6600DE YG6600DE ...
... further attention. - 26 - Battery for replacement. Correct if 0 necessary. Generation Check the voltage meter indication or 0 pilot light. Correct if necessary. 0 0 * : It is recommended that these items be serviced by a Yamaha dealer. ** : Related to emission control system. No. cC Use only Yamaha specified genuine parts for EF4000DE 17. EF5200DE EF6600DE YG6600DE ...
Owners Manual
Page 43
J OK Consult a Yamaha dealer. Consult a Yamaha dealer. Q OK Clean the spark plug. - 38 - K Level low Add engine oil. I Check engine oil level. O Check the spark plug. 9 Type: 9 Gap: P Incorrect Replace or Adjust Gap. E Faulty battery and/or starter motor.
J OK Consult a Yamaha dealer. Consult a Yamaha dealer. Q OK Clean the spark plug. - 38 - K Level low Add engine oil. I Check engine oil level. O Check the spark plug. 9 Type: 9 Gap: P Incorrect Replace or Adjust Gap. E Faulty battery and/or starter motor.
Owners Manual
Page 44
... the spark plug. 9 Type: 9 Gap: w 9 To prevent FIRE HAZARDS be sure fuel is not present in the spark plug area. 9 To prevent FIRE HAZARDS be sure to "ON", then pull the recoil starter and check if the oil warning light flickers. N Check the following 9 Fuel cock clogging 9 Air cleaner element clogging. Consult a Yamaha dealer. G Level low Add engine oil. I Engine does not start. L Incorrect Replace or Adjust...
... the spark plug. 9 Type: 9 Gap: w 9 To prevent FIRE HAZARDS be sure fuel is not present in the spark plug area. 9 To prevent FIRE HAZARDS be sure to "ON", then pull the recoil starter and check if the oil warning light flickers. N Check the following 9 Fuel cock clogging 9 Air cleaner element clogging. Consult a Yamaha dealer. G Level low Add engine oil. I Engine does not start. L Incorrect Replace or Adjust...