2004-2012 Yamaha Grizzly 125 YFM125S ATV Supplementary Service Manual

Repair data for Yamaha Grizzly 125 ATVs (2004-2012) covering engine, chassis, electrical, and more. Ref: LIT-11616-17-56.

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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 125 (YFM125S)
Sub-models / Variants: 3FAW, 3FAX (California model), YFA1P, YFA1PC, YFA1M(C)
Build Years: 2004–2012
Technical Data:

  • Engine displacement: 124 cm3
  • Engine type: Air-cooled 4-stroke, SOHC, single cylinder
  • Spark plug: CR7HS/NGK
  • Ignition system: DC C.D.I.
  • Starting system: Electric starter
  • Transmission type: Single speed automatic (V-belt)
  • Fuel tank capacity: 7.6 L (2.01 US gal)
  • Battery: 12V 12Ah
  • Front brake free play: 5–8 mm at lever pivot
Technical Specifications
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Document Number / Seller:
24759 / Ronald Owens
File Size:
31.55 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
ATV
Last updated / verified
Sep 20, 2025

Yamaha Manual Features & Content Preview

Yamaha Grizzly 125 YFM125S Technical Documentation

  • Covers 2004–2012 Yamaha Grizzly 125 YFM125S ATVs, providing supplemental service data for variants including 3FAW and 3FAX California-specific builds
  • Official Yamaha publication P/N LIT-11616-17-56, first edition January 2004
  • Contains 12 detailed cable routing diagrams and 4 comprehensive electrical circuit diagrams for the YFM125S ignition, charging, lighting, and signal systems
  • Delivered as a direct download the moment payment clears
  • Full-text search finds any part number in seconds
  • This 2004 edition includes essential supplementary data required when using the YFA1 base service manual for full machine teardowns

Service and Maintenance Overview

This supplementary service document provides specialized technical data for the YFM125S. The content details essential periodic maintenance intervals for components like the air filter, spark plug, and drive chain, while also documenting the specific clearance and torque values necessary for chassis and engine upkeep. It provides mechanics with an efficient reference for identifying machine-specific parts and service intervals, supplementing core mechanical information found in base Yamaha factory workshop documentation.

Technical Specification Preview

The documentation contains detailed electrical and mechanical reference values to aid in technical review and diagnosis. The electrical section documents the A.C. magneto generator output at 14 V 150 W at 5,000 r/min. Intake vacuum for the YFM125S is documented at 26.7 kPa (200 mmHg, 7.88 inHg) in the engine maintenance data. Pilot air jet size for the 5VJ2 10 carburetor is specified at #130 in the maintenance tables. Reference only — always consult a certified technician before performing service on this equipment.

An official Yamaha supplementary service manual covering the 2004–2012 Yamaha Grizzly 125 YFM125S, documenting engine, chassis, and electrical specifications required for maintaining this ATV model build.

Manual FAQ, Purchase & Download Details

Does this supplementary service manual cover the 2004-2012 Yamaha Grizzly 125 YFM125S ATV models? keyboard_arrow_down

Document is designed as a supplementary service manual specifically for the Yamaha Grizzly 125 YFM125S, covering model years from 2004 to 2012.

What technical reference information is included for the electrical and engine systems? keyboard_arrow_down

Manual contains specification tables and wiring diagrams that list ignition system data, charging system outputs, carburetor jetting, and tightening torque values for various chassis fasteners.

Are exploded views and diagrams provided to assist with part identification? keyboard_arrow_down

Each chapter includes exploded diagrams at the start of the section to show component assembly, part names, and relevant lubrication points for the covered systems.

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