1996 Yamaha EF4000/EF4000E/EF4600/EF4600D/EF4600E/EF5500/EF5500E/EF6600/EF6600E/EF6600DE Service Manual

Covers EF4000, EF4000E, EF4600, EF4600D, EF4600E, EF5500, EF5500E, EF6600, EF6600E, EF6600DE with procedures for periodic maintenance, engine, carburetor, electrical, and troubleshooting. Ref: 7RH-28197-80

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Document Details

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Document Number / Seller:
30098 / Amanda Boyd
File Size:
23.06 MB
File Type:
PDF
Language:
English, German, French
Pages:
460
Printable:
Yes
Category:
Engines (Gasoline)
Last updated / verified
Jul 17, 2025

Models Covered & Key Technical Specifications

Yamaha EF4000/EF4000E/EF4600/EF4600D/EF4600E/EF5500/EF5500E/EF6600/EF6600E/EF6600DE (7RH-28197-80) - 1996

Yamaha Generator Series | Manufacturer Edition.

  • Design Shipping Weight: 72 kg establishes the weight for the EF4000/EF4600 models.
  • Calibrated Print Quality: For optimal performance, 78 kg defines the dry weight for the EF4600D/EF4600E models.
  • Documented Assembly Torques: 78 kg -- signifies the dry weight for the EF6600 models.
  • Engine Compression Ratio: The engine requires 8.1 : 1 for standard operation.
  • Documented Adjustment Range: Operating hours reach 10.2 Hrs.
  • Engine Fuel Tank Capacity: For best performance, 1.1 L (0.97 imp qt, 1.16 US qt) defines the fuel tank capacity.

Professional Workshop Service Manual & Technical Specifications

Consolidated Configuration Field Manual: Yamaha EF4000/EF4000E/EF4600/EF4600D/EF4600E/EF5500/EF5500E/EF6600/EF6600E/EF6600DE (1996) Service & Repair Playbook: Maintenance-Registry

Operational-Framework: EF4000-EF6600DE Series // Machine-Range: Gasoline Generators / Engine Logic // Operational-Framework: 1996 Technical-Details.

Yamaha EF4000/EF4000E/EF4600/EF4600D/EF4600E/EF5500/EF5500E/EF6600/EF6600E/EF6600DE (1996) Service Manual

Metric Operational-Logic Logic
Model Code 7RG3/7RGF/7RG4/7RG2/7RG3 7RH3/7RH3/7RH4/7RH2
Dimensions 670 (26.4) mm / 510 (20.1) mm / 72 (158) kg 894 (35.2) mm / 520 (20.5) mm / 88 (194) kg
Engine Type 4-stroke OHV forced air cooled 4-stroke OHV forced air cooled
Displacement 0.301 L 0.357 L
Fuel Capacity 21 (4.62, 5.5) L 21 (4.62, 5.5) L
Engine Oil Capacity 1.1 (0.97, 1.16) L 1.1 (0.97, 1.16) L

Cataloging major assemblies into the following chapters:

  • General Information
  • Periodic Inspections and Adjustments
  • Engine
  • Carburetion
  • Electrical
  • Specifications

This manual details procedures for periodic maintenance and adjustments, covering engine, carburetor, and electrical systems. It also includes specifications for various components and troubleshooting guides for common issues. Strategically requiring...

Engine Procedures

Procedures for engine maintenance, including oil changes, filter replacements, and valve adjustments, are thoroughly documented within this manual.

Carburetor Specifications

Detailed specifications for the carburetor, including float height and jet sizes, are provided to ensure correct fuel mixture and performance.

Electrical System Diagnostics

This section outlines diagnostic procedures for the electrical system, covering ignition, starting, and charging systems to help identify and resolve faults.

This manual documents torque specifications for critical engine and generator components to ensure proper assembly and prevent structural misalignment prevention.

FAQ

What **essential** testing parameters are covered for spark plugs? keyboard_arrow_down

3.7 - 6.3 kOhms at 20°C (68°F) is the resistance range for spark plug caps, and 0.7 - 0.8 mm (0.028 - 0.031 in) is the minimum spark gap.

Check the **correct** diagnostic procedures for starter motor issues. keyboard_arrow_down

If the starter motor does not operate, verify battery voltage and charge if necessary. If the battery is adequate, repair or replace the starter motor.

What does the **documented** fluid capacity requirements state for the fuel tank? keyboard_arrow_down

21 L (4.62, 5.5) is the fuel tank capacity, and 1.1 L (0.97 imp qt, 1.16 US qt) is the engine oil capacity.

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