2004-2005 Yamaha Grizzly 660 YFM660FS Supplementary Service Manual

Get your Yamaha Grizzly 660 YFM660FS back in top shape with this comprehensive service manual, covering all diagnostics, procedures, and diagrams. Includes part number abe008.

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Yamaha Models Covered & Key Technical Specifications

Models: Yamaha Grizzly 660 (YFM660FS)
Sub-models / Variants: 4WD, 2WD, Diff-Lock
Build Years: 2004–2005
Technical Data:

  • Transmission type: V-belt automatic
  • Primary reduction system: V-belt
  • Secondary reduction system: Shaft drive
  • Engine idle speed: 1,450–1,550 r/min
  • Intake vacuum: 30.7–33.3 kPa (230–250 mmHg, 9.07–9.83 inHg)
  • Charging system nominal output: 14 V 21 A at 5,000 r/min
Technical Specifications
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Document Number / Seller:
25900 / Thomas Torres
File Size:
24.84 MB
File Type:
PDF
Language:
English
Pages:
478
Printable:
Yes
Category:
ATV
Last updated / verified
Jul 20, 2025

Yamaha Manual Features & Content Preview

Yamaha Grizzly 660 YFM660FS Supplementary Service Manual

  • Covers 2004–2005 Yamaha Grizzly 660 (YFM660FS) with 4WD, 2WD, and differential-lock configurations
  • Official Yamaha publication P/N LIT-11616-17-14, first edition April 2003
  • Contains 478 pages of technical specifications, cable routing diagrams, and electrical system schematics
  • File link appears in your order confirmation straight away
  • Suitable for printing individual sections for shop-floor use
  • This 2003 first edition acts as the necessary supplementary technical supplement to the earlier YFM660FP and YFM660FR base service manuals

Technical Documentation Scope

The 2004–2005 Yamaha Grizzly 660 service manual documents factory-specified maintenance routines, assembly procedures, and component specifications. It provides technical detail on the drive train system, including the differential gear and front constant velocity joints. The document covers engine-specific data such as idle speed, intake vacuum, and fuel level settings. Wiring diagrams and electrical component checks assist in troubleshooting the ignition, charging, and signal systems, ensuring accurate component identification and setup.

Specification and Data Preview

Technical sections provide comprehensive reference values including carburetor jet sizes, suspension spring rates, and charging system output metrics. Charging coil resistance is documented at 0.32–0.43 ohms at 20 °C (68 °F). Pickup coil resistance for the Yamaha Grizzly 660 is specified at 459–561 ohms at 20 °C (68 °F). The what an OEM service publication covers includes detailed torque settings for chassis and engine fasteners, noting that primary wheel hub nuts require 260 Nm (190 ft-lb).

Reference only — always consult a certified technician before performing service on this equipment. An official 478-page Yamaha OEM supplementary manual covering the 2004–2005 Yamaha Grizzly 660 YFM660FS, documenting engine, chassis, electrical, and drive train specifications for the referenced model year build.

Manual FAQ, Purchase & Download Details

Are wiring diagrams and connector terminal location references included for the Yamaha Grizzly 660 YFM660FS electrical systems? keyboard_arrow_down

Document includes comprehensive signal system circuit diagrams and lists coupler locations for various switches. It references the electrical system components for the YFM660FS model to assist with identification.

Does the manual contain technical specification tables for the transmission and engine components? keyboard_arrow_down

Specification chapters list standard values for items such as the primary reduction system, sub-transmission ratios, carburetor settings, and various electrical resistances.

Can I use this PDF to preview the maintenance specifications for the front and rear suspension systems? keyboard_arrow_down

Document contains specification tables detailing shock absorber travel, fork spring free length, and spring rates for both front and rear suspension. These tables provide standard values for these components to support your technical reference needs.

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