Yamaha RAPTOR 125 YFM125 ATV Full Service & Repair Manual 2011-2012

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The Yamaha Raptor 125, model YFM125G, is an All-Terrain Vehicle (ATV) produced for the 2011 and 2012 model years. This entry-level to mid-level recreational ATV is designed for young riders,...

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Art.-Nr: 147799

Stichworte: 2011 2012 ATV Powersports RAPTOR 125 Raptor Models Yamaha YFM125

Produktvarianten

Beschreibung

The Yamaha Raptor 125, model YFM125G, is an All-Terrain Vehicle (ATV) produced for the 2011 and 2012 model years. This entry-level to mid-level recreational ATV is designed for young riders, beginners, and trail enthusiasts. It features a compact, air-cooled, 124cc single-cylinder engine with an automatic Continuously Variable Transmission (CVT) for user-friendly operation. Known for its nimble handling and stable ride, the Raptor 125 offers essential features like hydraulic disc brakes, dual headlights, and full floorboards with heel guards, emphasizing control and rider protection during recreational trail riding. This comprehensive Factory Service & Repair Workshop Manual provides detailed information for the maintenance, troubleshooting, and repair of the Yamaha Raptor 125 (YFM125G) for the 2011-2012 model years. It covers a wide range of systems, including the engine, fuel, cooling, ignition, exhaust, transmission, drivetrain, suspension, braking, electrical, steering, and chassis. The manual includes step-by-step repair instructions, rebuild procedures, adjustment guides, electrical diagnostics, and torque specifications, supported by hundreds of detailed photos and diagrams. This resource is designed to assist professional mechanics, experienced DIY enthusiasts, and serious hobbyists in maintaining the vehicle's performance and longevity.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

Raptor 125

Model Designation:

YFM125

Vehicle Type:

All-Terrain Vehicle (ATV)

Generation

Generation Covered:

First Generation (2011-2012)

Codes

Chassis Codes:

YFM125G

👋 Introduction

Market Position

Segment:

Entry-level to mid-level youth/recreational ATV

Target Audience:

Young riders, beginners, recreational trail riders

Competitive Analysis

Key Competitors:

Honda TRX90X/TRX250X, Suzuki LT-Z90/LT-Z250, Kawasaki KFX90/KFX250

Key Features

Engine Type:

Compact, air-cooled, single-cylinder engine focused on usability

Transmission Type:

Automatic (CVT or similar) for ease of operation

Handling Characteristics:

Nimble and stable for trail riding and recreational use

Manual Value Proposition:

Provides essential technical data for maintenance and repair, extending vehicle lifespan and ensuring safe operation.

📋 Manual Details

Coverage Areas

Model Years Covered:

2011, 2012

Market Regions Covered:

Global (North America, Europe, Asia, etc.)

Page Count

Estimated Page Count:

Hundreds of Pages (Exact count not specified, but described as comprehensive)

Manual Type

Type:

Factory Service & Repair Workshop Manual

Additional Types:

Troubleshooting Manual

Language

Language:

English

Format

Digital Format:

Accessibility:

Downloadable to computer, tablet, or smartphone

Printability:

Printable (single pages or entire manual)

Licensing

Usage License:

Unlimited installations on multiple devices

Licensing Period:

Lifetime use, no expiry dates

Renewal Fees:

No renewal fees required

Version Limitations:

Full manual, no trial or limited version

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Full overhaul, inspection, repair, and adjustment of engine components (e.g., cylinder head, piston, crankshaft, camshaft, valve train)

Fuel System:

Carburetor adjustment, cleaning, and replacement; fuel pump operation; fuel tank and lines

Cooling System:

Radiator, fan, coolant flow, thermostat operation

Ignition System:

CDI unit, ignition coil, spark plug specifications and testing

Exhaust System:

Muffler, exhaust pipes, heat shields

Transmission Drivetrain:

Clutch operation, gear shifting mechanisms, drive shafts, differential (if applicable), final drive maintenance

Suspension System:

Front and rear suspension components, shock absorbers, springs, A-arms, bushings, alignment

Braking System:

Hydraulic brake system, brake calipers, master cylinders, brake lines, pads, rotors, bleeding procedures

Electrical System:

Battery maintenance, charging system (stator, rectifier/regulator), lighting, starter motor, wiring diagrams, fuses, relays

Steering System:

Handlebars, steering stem, tie rods, steering linkage adjustments

Frame Chassis:

Frame inspection, welds, mounting points, general structural integrity

Bodywork Plastics:

Fender removal/installation, seat, fuel tank cover, graphics

Procedures Included

Maintenance Routines:

Regular maintenance checks, lubrication points, filter replacements, chain adjustment (if applicable)

Troubleshooting:

Diagnostic procedures for common and uncommon issues, fault finding flowcharts

Repair Instructions:

Step-by-step repair guides for all major and minor component failures

Rebuild Instructions:

Complete engine and transmission rebuild procedures

Adjustment Procedures:

Carburetor, valve, chain, brake, and steering adjustments

Electrical Diagnostics:

Wiring diagram interpretation, voltage/resistance testing

Torque Specifications:

Detailed torque values for all critical fasteners

Technical Depth

Depth Level:

Comprehensive: Covers basic maintenance to complete engine and transmission overhauls

Diagrams Illustrations:

Hundreds of detailed photos and diagrams, including exploded views

Audience Level:

Suitable for professional mechanics, experienced DIY enthusiasts, and serious hobbyists

📊 Manual Specifications

File Format

File Type:

PDF (Portable Document Format)

Searchability:

Likely searchable text within the PDF (standard for professional manuals)

Print Quality

Print Resolution:

High resolution suitable for clear reproduction of diagrams and text

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Quality:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Type:

4-stroke, SOHC, air-cooled

Displacement:

124cc

Bore X Stroke:

54.0 mm x 54.5 mm

Compression Ratio:

9.2:1

Performance

Horsepower:

Approximately 10-12 HP (Estimate based on typical 125cc class engines of the era)

Torque:

Approximately 7-9 lb-ft (Estimate)

Fuel System

Carburetor Type:

Mikuni VM20SS (or similar 20mm constant velocity carburetor)

Fuel Capacity:

3.8 L (1.0 gal)

Recommended Fuel:

Unleaded gasoline, octane rating 87 or higher

🔧 Transmission

Standard

Transmission Type:

Automatic (CVT - Continuously Variable Transmission) with Forward, Neutral, Reverse

Features

Drive System:

2WD (Two-Wheel Drive)

Final Drive:

O-ring sealed chain

Clutch Type:

Dry, centrifugal

📐 Dimensions

Exterior

Length:

1640 mm (64.6 in)

Width:

1065 mm (41.9 in)

Height:

980 mm (38.6 in)

Wheelbase:

1140 mm (44.9 in)

Weights

Curb Weight:

118 kg (260 lbs)

Ground Clearance:

105 mm (4.1 in)

🛡️ Safety Features

Ratings

Rollover Protection:

N/A (ATVs are not subject to automotive crash ratings; emphasis on rider skill and safe operating practices)

Active Features

Braking System Type:

Hydraulic disc brakes front and rear

Parking Brake:

Handlebar mounted lever for front brake caliper

Passive Features

Handlebars:

Wide handlebars with protective padding for control and safety

Footwells:

Full floorboards with heel guards for foot protection

Lighting:

Dual headlights, taillight/brake light

💡 Technology Features

Infotainment

Infotainment System:

N/A (Basic ATV, no complex infotainment)

Driver Assistance

Driver Assistance Features:

N/A (Focus on rider input and mechanical operation)

Connectivity

Connectivity Features:

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 100 hours or annually (Refer to manual for exact specifics)

Air Filter Cleaning:

Every 20 hours or as needed based on dusty conditions

Spark Plug Replacement:

Every 100 hours or annually

Valve Clearance Check:

Every 100 hours or annually

Fluid Specifications

Engine Oil Type:

Yamalube 4 (or equivalent SAE 10W-40, API SG or higher, JASO MA certified)

Engine Oil Capacity:

Approximately 1.4 L (1.5 qt) with filter change

Coolant Type:

Permanent type antifreeze (50/50 mix with distilled water)

Brake Fluid Type:

DOT 3 or DOT 4 hydraulic brake fluid

Known Issues

Carburetor Fouling:

Common in smaller displacement engines due to fuel sitting if not run regularly.

Chain Wear:

Regular adjustment and lubrication are critical to prevent premature wear or breakage.

Suspension Bushings:

May require periodic inspection and replacement due to stress and environmental factors.

📚 Vehicle History

Brand Heritage

Manufacturer:

Yamaha Motor Company

Brand Focus:

Powersports, motorcycles, marine engines, ATVs

Model Evolution

Introduction Year:

Positioning:

Introduced as an entry-level, smaller-displacement Raptor model to complement the larger Raptor lineup.

Design Philosophy:

Focus on lightweight, user-friendly operation, and recreational performance.

Production

Production Period:

2011-2012

Manufacturing Location:

Likely assembled in Japan or by a Yamaha subsidiary

🏆 Awards & Recognition

Recognitions

Industry Awards:

N/A (This model was not typically a subject of major automotive awards as it's a recreational/youth segment ATV.)

Ratings

Consumer Ratings:

Generally positive for its intended use as an entry-level recreational ATV, praised for ease of use and reliability within its class.