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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Document Details

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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

Models Covered & Key Technical Specifications

Yamaha Grizzly 125 (YFM125S) 2004-2012

Covers engine, chassis, electrical, and cable routing | Series Binder.

  • Engine Specifications: 124 cm3 displacement ensures reliable performance.
  • Chassis Tightening Data: M6 fasteners require 7 Nm for fender attachment.
  • Electrical System: Ignition system utilizes DC C.D.I. for efficient spark.
  • Carburetor Specs: Pilot air jet is rated #130 for optimal fuel delivery.
  • Suspension Travel: Front suspension offers 41 mm of travel for comfort.
  • Brake Lever Free Play: 5-8 mm at lever pivot for proper brake function.

Professional Workshop Service Manual & Technical Specifications

Yamaha Grizzly 125 (YFM125S) 2004-2012 Supplementary Service Manual: Yamaha Grizzly 125 Technical-Guide

Engine-Type: 4-stroke, SOHC // Diagnostic-Area: Engine, Chassis, Electrical / Wiring Logic // Engine-Type: ATV.

Integrated-Framework Parameters Validation-Data
GENERAL SPECIFICATIONS 1710 mm overall length 152 kg wet weight
MAINTENANCE SPECIFICATIONS 0.6-0.7 mm spark plug gap 1650-1750 RPM engine idling speed
PERIODIC CHECKS AND ADJUSTMENTS 7 Nm for front fender 23 Nm for front bumper
ELECTRICAL 12V 12Ah battery capacity Krypton headlight bulb type
CABLE ROUTING Illustrated wire paths Secure fastening procedures

Repair data is categorized into:

SPECIFICATIONS - Details engine, chassis, and electrical parameters.

PERIODIC CHECKS AND ADJUSTMENTS - Outlines routine maintenance and inspection schedules.

ELECTRICAL SYSTEMS - Covers ignition, charging, lighting, and troubleshooting.

CABLE ROUTING - Illustrates component wire and hose placement.

TROUBLESHOOTING - Provides diagnostic guidance for common issues.

Wiring diagrams are provided for the complete electrical system, offering visual guidance for troubleshooting and maintenance. Fuel system procedures are documented with specific adjustments for optimal performance. Adjustment procedures are detailed for components like the brake levers and headlight beams. Timing procedures are documented to ensure correct engine operation. Technical notes are provided for special procedures and warnings. ...documents torque specifications for chassis components to ensure proper structural misalignment prevention.

FAQ

Identify the **correct** service interval parameters for the engine oil? keyboard_arrow_down

Replace engine oil every 1, 3, 6 months, or 1 year depending on usage, with warm engine oil recommended for draining.

What procedures are **documented** for the lighting system architecture? keyboard_arrow_down

Troubleshooting procedures cover fuse, battery, main switch, and light switch checks, referencing specific manual sections for detailed diagnostics.

Determine the **precise** tool requirements for valve clearance adjustment? keyboard_arrow_down

A Valve Adjusting Tool (P/N YM-08035, 90890-03111) is necessary for adjusting valve clearance, alongside a locknut torque specification of 7 Nm.

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Reviews (5)

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The troubleshooting section is very helpful! Quick download and great service from the seller.
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Rated 5 out of 5 stars
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The download process was smooth and the email support was prompt. Very pleased!
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Easy to understand instructions. Download link came quickly!
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This manual is incredibly detailed and has saved me a lot of time on repairs. Highly recommend!