2012 Yamaha TTR 125 Service Repair Manual

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🏷️ Basic Information Identification Make: Yamaha Model: TTR125 Year: 2012 Codes Engine Code General: 4X1 Model Code Specific: TTR125L 👋 Introduction Market Position Vehicle Segment: Entry-level off-road/trail motorcycle, popular for...

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Type: Motorcycle

Vendor:

Sku: 280214

Tags: 2012 Motorcycle Motorcycles TTR 125 TTR Models Yamaha

Product variants

Description

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

TTR125

Year:

Codes

Engine Code General:

Model Code Specific:

TTR125L

👋 Introduction

Market Position

Vehicle Segment:

Entry-level off-road/trail motorcycle, popular for recreational use and learning.

Competitive Analysis

Key Competitors:

Honda CRF100F/125F, Kawasaki KLX125/140, Suzuki DR-Z125.

Key Features

Vehicle Appeal:

User-friendly, reliable, and cost-effective for aspiring off-road riders.

Manual Value Proposition

Manual Benefit:

Empowers owners and mechanics with the detailed knowledge required for effective maintenance, troubleshooting, and repair, reducing reliance on external services.

Manual Scope

Scope Statement:

This manual provides comprehensive technical documentation for the 2012 Yamaha TTR125, covering all aspects of its maintenance, repair, and operation.

📋 Manual Details

Coverage Areas

Manual Type:

Service Repair Manual

Language:

English

Format:

Compatibility:

Windows, macOS, Linux

Page Count

Estimated Page Count:

Extensive (typically 300+ pages for a comprehensive service manual of this nature)

📖 Manual Coverage

Systems Covered

Engine System:

Detailed disassembly, assembly, troubleshooting, specifications, and overhaul procedures for the 124cc air-cooled SOHC engine.

Fuel System:

Carburetor tuning, inspection, cleaning, and replacement of fuel delivery components.

Ignition System:

CDI ignition system diagnosis, component testing, and specifications.

Transmission System:

Clutch operation, inspection, adjustment, and gearbox disassembly/assembly procedures.

Chassis System:

Frame inspection, steering head bearing maintenance, and suspension adjustments.

Suspension System:

Front fork inspection, seal replacement, oil level specifications, and rear shock absorber service.

Braking System:

Front and rear brake caliper service, pad replacement, master cylinder maintenance, and bleeding procedures.

Electrical System:

Wiring diagrams, component testing, troubleshooting of lights, horn, and battery charging system.

Exhaust System:

Inspection and maintenance of exhaust components.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, chain lubrication and adjustment, spark plug checks.

Troubleshooting:

Comprehensive diagnostic flowcharts and common problem identification for engine, electrical, and mechanical issues.

Repair Procedures:

Step-by-step instructions for component disassembly, repair, and reassembly.

Tune Up:

Detailed procedures for optimizing engine performance.

Diagnostic Tips:

Expert advice and common pitfalls to avoid during diagnosis and repair.

Torque Specifications:

Provides precise torque values for critical fasteners, ensuring proper assembly and preventing damage.

Repair Tips:

Includes practical tips and advice from experienced technicians for common repair scenarios.

Technical Depth

Depth Of Coverage:

Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds.

Diagnostic Capabilities:

Advanced diagnostic information, including troubleshooting charts based on symptoms.

📊 Manual Specifications

File Format

File Format:

Searchable Text:

Yes (typically OCR-processed for searchability)

Print Quality

Printable:

Resolution:

High resolution, suitable for clear printing of diagrams and text.

Binding Type

Binding Type:

Digital (No physical binding)

Paper Type

Paper Type:

N/A (Digital File)

Requirements

Software Requirements:

Adobe PDF Reader (or compatible viewer)

Download

Delivery Method:

Instant High Speed Download

Content Highlight

Wiring Diagrams Availability:

Includes comprehensive wiring diagrams essential for electrical troubleshooting.

⚙️ Engine Specifications

Primary Engine

Engine Type:

Four-stroke, SOHC, 2-valve

Displacement:

124 cc

Bore X Stroke:

54 mm x 54 mm

Compression Ratio:

9.5:1

Cooling System:

Air-cooled

Fuel Type:

Unleaded gasoline

Performance

Horsepower Approximate:

~10-12 HP (Varies slightly by source and condition)

Torque Approximate:

~6-8 lb-ft (Varies slightly by source and condition)

Fuel System

Carburetor Type:

Mikuni VM20SS (or similar 20mm constant velocity)

Fuel Tank Capacity:

1.6 Gallons (6.0 Liters)

🔧 Transmission

Standard

Transmission Type:

Constant mesh 5-speed

Clutch Type:

Wet, multi-plate

Final Drive:

Chain drive

Features

Gear Ratios:

Refer to manual for specific gear ratios (typically 1st: 2.833, 2nd: 1.882, 3rd: 1.350, 4th: 1.045, 5th: 0.870)

Lubricant Type:

Yamaha Gear Oil 10W-30 or equivalent (refer to manual for exact spec)

📐 Dimensions

Exterior

Overall Length:

72.2 inches (1835 mm)

Overall Width:

31.7 inches (805 mm)

Overall Height:

41.1 inches (1045 mm)

Seat Height:

31.5 inches (800 mm)

Wheelbase:

49.4 inches (1255 mm)

Weights

Dry Weight:

176 lbs (80 kg)

Wet Weight Approximate:

190 lbs (86 kg)

Front Tire Size:

70/100-17M/C 40P

Rear Tire Size:

90/100-14M/C 49P

Wheelbase Type:

Spoke wheels with standard off-road knobby tires.

🛡️ Safety Features

Ratings

Safety Certification:

N/A (Off-road vehicles typically do not have NHTSA or Euro NCAP ratings).

Active Features

Braking System:

Hydraulic disc front brake, drum rear brake. Manual provides detailed service procedures for both.

Passive Features

Frame Construction:

Steel semi-double cradle frame for durability.

Lighting:

Headlight and taillight for visibility (electrical system coverage in manual).

💡 Technology Features

Infotainment

Infotainment System:

N/A (Basic off-road motorcycle, no advanced infotainment features).

Driver Assistance

Rider Aids:

N/A (No electronic rider aids like ABS or traction control).

Connectivity

Connectivity Features:

N/A (No connectivity features).

🔧 Maintenance

Service Intervals

Engine Oil Change:

Every 1,000 km or 6 months (refer to manual for precise recommendations).

Air Filter Cleaning:

Regularly, especially in dusty conditions; refer to manual for specific mileage/time intervals.

Chain Maintenance:

Lubricate and adjust chain tension every 500 km or as needed.

Spark Plug Inspection:

Every 3,000 km or annually.

Fluid Specifications

Engine Oil Specification:

Yamalube 4 (or equivalent) SAE 10W-40 API SE type SG or higher (refer to manual for exact specifications).

Engine Oil Capacity:

0.90 Liters (0.95 US qt) without filter change, 1.00 Liter (1.05 US qt) with filter change.

Fork Oil Type:

Refer to manual for specific fork oil grade and type (e.g., SAE 10W).

Brake Fluid Type:

DOT 3 or DOT 4 (refer to manual for specific type).

Known Issues

Common Wear Items:

Clutch plates, brake pads, chain and sprockets, air filter, spark plug.

Carburetor Adjustment:

Can sometimes require fine-tuning for optimal performance at different altitudes or temperatures; manual provides detailed tuning steps.

Suspension Wear:

Fork seals and rear shock absorber can wear over time, impacting ride quality. Manual covers replacement procedures.

📚 Vehicle History

Brand Heritage

Yamaha Motorcycles Legacy:

Yamaha has a long-standing reputation for producing reliable and performance-oriented motorcycles across various segments, including off-road.

Model Evolution

Ttr Series Development:

The TTR line has evolved to provide accessible and capable off-road machines for younger riders and beginners. The TTR125 has been a staple in this category.

Production

Manufacturing Country:

Japan (and potentially other Yamaha global manufacturing facilities).

Production Years Ttr125:

Introduced in the early 2000s, with continuous updates. The 2012 model represents a specific iteration within this lineage.

🏆 Awards & Recognition

Recognitions

Industry Awards:

While specific awards for the 2012 model might not be readily available, the TTR series has consistently received praise for its reliability and suitability for its target demographic.

Ratings

User Reviews:

Generally well-regarded by users for its ease of use, durability, and low running costs.

Certifications

Emissions Standards:

Compliant with relevant emissions standards for its model year and market of origin (details typically found in vehicle-specific documentation, manual may reference).