2004-2010 Yamaha YFM125G Grizzly 125 Automatic Service Repair Manual ( 04 05 06 07 08 09 10 )

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Type: Atv

Vendor:

Sku: 123711

Tags: 2004 2005 2006 2007 2008 2009 2010 ATV Grizzly Models Powersports Yamaha YFM125G Grizzly 125

Product variants

Description

The YFM125G Grizzly 125, produced from 2004 to 2010, is an entry-level youth and trail All-Terrain Vehicle renowned for its automatic transmission, lightweight chassis, and user-friendly operation. Building upon the esteemed Grizzly lineage, this model offers reliable engine performance and robust off-road capabilities suitable for recreational use. Its design emphasizes dependable operation and ease of handling, making it a popular choice for younger riders and those new to ATVing, competing with models such as the Honda TRX90X and Suzuki LT-Z90. This comprehensive service and repair manual provides detailed guidance for maintaining and repairing the YFM125G Grizzly 125 Automatic. Covering all aspects of the vehicle from front to rear, it includes essential information on engine, cooling system, carburetion, drivetrain, chassis, and electrical systems. The manual details periodic checks, adjustments, servicing, and repair procedures, along with a dedicated troubleshooting section to help diagnose and resolve common operational issues, empowering owners and technicians to keep the vehicle in optimal condition.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

YFM125G Grizzly 125

Model Code:

YFM125G

Generation

Generation:

First Generation

Codes

Production Years Covered:

2004, 2005, 2006, 2007, 2008, 2009, 2010

Model Variant Codes:

YFM125S, YFM125GT, YFM125GV, YFM125GW, YFM125GX, YFM125GY, YFM125GZ

👋 Introduction

Market Position

Market Segment:

Entry-level/Mid-range Youth & Trail ATV

Competitive Analysis

Competitors Examples:

Honda TRX90X, Suzuki LT-Z90, Polaris Sportsman 90

Key Features

Vehicle Key Features:

Automatic transmission, lightweight chassis, user-friendly operation, reliable engine.

Manual Value Proposition

Value Proposition:

Provides comprehensive DIY repair and maintenance guidance, saving on professional labor costs and empowering owners.

📋 Manual Details

Coverage Areas

Manual Title:

2004-2010 Yamaha YFM125G Grizzly 125 Automatic Service Repair Manual

Description:

Comprehensive service and repair manual for the Yamaha YFM125G Grizzly 125 Automatic, covering all aspects from front bumper to rear.

Page Count

Page Count Estimated:

Detailed page count not provided, but described as 'most complete...ever compiled'.

Manual Type

Manual Type:

Service Repair Manual

Language

Language:

English

Format

File Format:

Download Type:

INSTANT DOWNLOAD

Printability:

All pages are printable

Compatibility

Compatibility:

All Versions of Windows & Mac

Requirements

Software Requirements:

Adobe PDF Reader

📖 Manual Coverage

Systems Covered

Engine:

Covered

Cooling System:

Covered

Carburetion:

Covered

Drive Train:

Covered

Chassis:

Covered

Electrical:

Covered

Troubleshooting:

Covered

Procedures Included

Periodic Checks:

Included

Adjustments:

Included

Servicing:

Included

Repair:

Included

Technical Depth

Depth:

Comprehensive (front bumper to rear)

Audience:

Do-It-Yourselfer (DIY)

📊 Manual Specifications

File Format

File Format:

Print Quality

Print Quality Description:

High quality diagrams and instructions

Binding Type

Binding Type:

Not Applicable (Digital Download)

Paper Type

Paper Type:

Not Applicable (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Air-cooled, 4-stroke, SOHC

Displacement:

125cc

Bore X Stroke:

54 mm x 54 mm (typical for this engine family)

Compression Ratio:

10.2:1 (typical for this engine family)

Performance

Horsepower Est:

Approximately 9-11 HP (estimated, exact figures not provided in product info)

Torque Est:

Approximately 7-8 lb-ft (estimated, exact figures not provided in product info)

Fuel System

Fuel Delivery:

Carburetor

Carburetor Model Est:

Likely a Mikuni VM Series (e.g., VM20 or similar, specific model to be detailed in manual)

Ignition

Ignition System:

Engine Oil

Oil Type Spec:

Yamalube 4 (or equivalent SAE 10W-30 API SG or higher, manual will specify)

Oil Capacity Est:

Approx. 1.4 L (1.5 US qt) with filter change (refer to manual for exact)

🔧 Transmission

Standard

Transmission Type:

Automatic (CVT - Continuously Variable Transmission)

Drive System:

2WD (Rear Wheel Drive)

Features

Transmission Features:

Shaft drive, forward and reverse gears

Fluid Specifications

Cvt Fluid Type:

Yamalube SAE 10W-30 or equivalent (refer to manual for exact specifications)

📐 Dimensions

Exterior

Length:

Approx. 64.3 in (1633 mm)

Width:

Approx. 36.7 in (932 mm)

Height:

Approx. 39.7 in (1008 mm)

Weights

Dry Weight:

Approx. 251 lbs (114 kg)

Curb Weight:

Approx. 265 lbs (120 kg) (estimated)

Towing Capacity:

Not Specified/Intended for light use

Wheels Tires

Front Tire Size:

AT18 x 7-7

Rear Tire Size:

AT18 x 9-8

Front Wheel Size:

7 x 5

Rear Wheel Size:

8 x 7

🛡️ Safety Features

Ratings

Safety Rating:

ATV safety standards apply; specific crash test ratings not applicable.

Active Features

Braking System:

Hydraulic disc brakes front and rear

Parking Brake:

Yes (lever type)

Passive Features

Handlebars:

Grip-style throttle, integrated thumb safety lever.

Engine Kill Switch:

Handlebar-mounted, easily accessible.

Lighting:

Dual sealed beam 30W headlights, single 5W taillight/brake light.

💡 Technology Features

Infotainment

Infotainment System:

None (basic ATV design).

Driver Assistance

Driver Assistance Features:

None (basic ATV design).

Connectivity

Connectivity Features:

None (basic ATV design).

🔧 Maintenance

Service Intervals

Initial Service:

First service typically at 10 hours or 1 month (check manual for specifics on break-in service).

Engine Oil Change Interval:

Every 100 hours or 6 months (refer to manual for precise intervals based on usage).

Air Filter Cleaning:

Inspect every 10 hours, clean as needed, replace as needed.

Spark Plug Replacement Interval:

Refer to manual, typically every 6 months or as per inspection.

Fluid Specifications

Engine Oil Specification:

Yamalube 4 (or equivalent SAE 10W-30 API SG or higher)

Brake Fluid Specification:

DOT 3 or DOT 4 (check manual for exact type)

Known Issues

Common Issues Observed:

Potential for carburetor adjustment issues in varying altitudes, occasional belt wear in CVT, standard maintenance needs for suspension and brakes.

Troubleshooting Coverage

Troubleshooting Scope:

The manual includes a dedicated troubleshooting section for diagnosing common operational problems.

📚 Vehicle History

Brand Heritage

Brand Heritage:

Yamaha has a long-standing reputation for producing reliable and performance-oriented powersports vehicles, including a robust line of Grizzly ATVs known for their off-road capabilities.

Model Evolution

Grizzly Lineage:

The YFM125G Grizzly 125 is Yamaha's entry into the youth and entry-level ATV market, building on the 'Grizzly' nameplate which is synonymous with ruggedness and trail performance in larger displacement models.

Production

Production Period:

2004-2010

🏆 Awards & Recognition

Recognitions

Awards Certifications:

No specific awards or certifications are listed for this manual or vehicle in the provided product information. Yamaha's Grizzly line generally receives positive reviews for reliability and off-road capability.