Yamaha TTR125 TT R125 Full Service & Repair Manual 2002

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🏷️ Basic Information Identification Make: Yamaha Model: TTR125 Sub Model: TT-R125 Year: 2002 Codes Internal Model Code: TTR125 (likely to have specific internal chassis/engine codes not explicitly stated in product...

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类型: Motorcycle

斯库: 381055

标签: 2002 Motorcycle Motorcycles TT Models TT R125 TTR125 Yamaha

产品多属性

Description

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

TTR125

Sub Model:

TT-R125

Year:

Codes

Internal Model Code:

TTR125 (likely to have specific internal chassis/engine codes not explicitly stated in product name)

👋 Introduction

Market Position

Positioning:

Entry-level to intermediate off-road/trail riding motorcycle, popular for its reliability and ease of maintenance.

Competitive Analysis

Competitors:

Honda CRF100F/150F, Kawasaki KLX125/140, Suzuki DR-Z125

Key Features

Design Philosophy:

Simple, robust, air-cooled engine designed for durability and ease of use in recreational off-road environments.

Target Audience:

Beginner riders, youth riders, recreational trail riders.

Manual Value Proposition

Benefit:

Provides comprehensive, factory-authorized procedures for all maintenance and repair tasks, saving on labor costs and ensuring proper service.

📋 Manual Details

Coverage Areas

Covered Models:

Yamaha TTR125 / TT-R125 (2002 model year)

Page Count

Estimated Pages:

Likely 300-500 pages (typical for a comprehensive factory service manual)

Manual Type

Type:

Factory Service and Repair Workshop Manual

Language

Language:

English

Format

Format:

Digital Download (PDF)

📖 Manual Coverage

Systems Covered

Engine:

Complete engine assembly, disassembly, diagnosis, repair, and overhaul for all variants of the TTR125 engine

Transmission:

Clutch, gearbox (5-speed), shift mechanism, lubrication, and related components

Fuel System:

Carburetor (likely Mikuni VM series), fuel tank, fuel lines, fuel filter, and operation

Ignition System:

CDI (Capacitor Discharge Ignition), stator, ignition coil, spark plug, and timing

Cooling System:

Air-cooled design, heat dissipation, and related components

Exhaust System:

Exhaust pipe, muffler, and emissions control (if applicable for the year/market)

Electrical System:

Wiring diagrams, lighting (headlight, taillight, turn signals if equipped), battery, charging system (if applicable), switches, and fuses

Chassis Frame:

Frame inspection, straightening, repairs, and mounting points

Suspension:

Front telescopic forks (likely KYB), rear monoshock or twin shocks, adjustments, and overhaul

Brakes:

Front and rear brake systems (likely drum or disc depending on sub-model), hydraulic lines, brake pads/shoes, bleeding procedures

Wheels Tires:

Wheel bearing inspection and replacement, tire mounting and balancing, spoke tensioning

Steering:

Handlebar, steering stem, head bearings, and adjustment

Bodywork Plastics:

Fuel tank, seat, fenders, shrouds, and mounting hardware

Procedures Included

Preventative Maintenance:

Regular inspection, lubrication, cleaning, and adjustments according to service intervals

Routine Servicing:

Oil changes, filter replacement, spark plug service, chain adjustment and lubrication

Troubleshooting:

Diagnostic procedures for common and uncommon issues related to all systems

Engine Rebuild:

Complete disassembly, inspection of internal components (piston, rings, cylinder, crank, bearings), and reassembly

Carburetor Tuning:

Adjustment of idle speed, fuel mixture, and jetting for optimal performance

Suspension Fork Rebuild:

Fork oil change, seal replacement, and internal component servicing

Brake System Maintenance:

Pad/shoe replacement, caliper/cylinder service, brake fluid flushing and bleeding

Electrical Troubleshooting:

Using wiring diagrams to diagnose electrical faults, testing components

Torque Specifications:

Precise torque values for all critical fasteners

Technical Depth

Depth:

Comprehensive from basic maintenance to full engine and component rebuilds

Diagnostic Charts:

Inclusion of symptom-to-cause diagnostic flowcharts

Special Tools:

Identification and use of specialized tools required for certain procedures

📊 Manual Specifications

File Format

Format:

PDF (Portable Document Format)

Searchable Text:

Likely searchable due to OCR (Optical Character Recognition) of original documentation

Print Quality

Resolution:

High resolution, suitable for printing individual pages or the entire manual

Binding Type

Binding:

N/A (Digital Format)

Paper Type

Paper:

N/A (Digital Format)

Accessibility

Device Compatibility:

Computers, tablets, smartphones

⚙️ Engine Specifications

Primary Engine

Engine Type:

4-stroke, SOHC, Air-cooled

Displacement:

124cc (approx.)

Bore X Stroke:

Likely around 54.0 mm x 54.5 mm (typical for this displacement and design)

Compression Ratio:

Typically around 9.5:1 to 10.0:1

Performance

Horsepower:

Approximately 10-12 HP (manufacturer specific figures may vary)

Torque:

Approximately 8-9 lb-ft (manufacturer specific figures may vary)

Fuel System

Carburetor Model:

Likely Mikuni VM20 or VM22

Fuel Type:

Unleaded Gasoline

Lubrication

Oil Type:

Yamalube 4 (or equivalent SAE 10W-40 motorcycle oil)

Oil Capacity:

Approximately 0.8 - 1.0 Liters (check manual for exact figure)

Spark Plug

Recommended Plug:

NGK CR7HSA or equivalent

🔧 Transmission

Standard

Type:

Constant-mesh 5-speed

Clutch Type:

Wet, multiple-disc

Features

Gear Ratios:

Specific ratios would be detailed in the manual, crucial for understanding performance characteristics

Lubrication

Transmission Oil Type:

Yamalube 4 (or equivalent SAE 10W-40 motorcycle oil), same as engine oil

📐 Dimensions

Exterior

Overall Length:

Approx. 1835 mm (72.2 in)

Overall Width:

Approx. 760 mm (29.9 in)

Overall Height:

Approx. 1075 mm (42.3 in)

Seat Height:

Approx. 790 mm (31.1 in)

Wheelbase:

Approx. 1270 mm (50.0 in)

Weights

Dry Weight:

Approx. 85 kg (187 lbs)

Wet Weight:

Likely around 90-95 kg (with fluids)

Cargo

Cargo Capacity:

N/A (Designed for off-road riding, no designated cargo space)

🛡️ Safety Features

Ratings

Crash Safety:

Not applicable for off-road motorcycles in the same way as automobiles; focus is on rider protection through equipment.

Active Features

Braking System:

Dependable braking performance for control in off-road conditions.

Passive Features

Ergonomics:

Designed for upright riding position and control.

💡 Technology Features

Infotainment

Infotainment System:

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

Driver Assistance

Assistance Features:

N/A (No electronic rider aids typical for modern motorcycles)

🔧 Maintenance

Service Intervals

Engine Oil Change:

Every 1000 km (600 miles) or 6 months, whichever comes first.

Oil Filter Replacement:

When changing engine oil, or as specified in manual.

Spark Plug Service:

Inspect every 2000 km (1200 miles), replace as needed.

Air Filter Cleaning:

Clean every 1000 km (600 miles) or more frequently in dusty conditions.

Chain Lubrication Adjustment:

Lubricate and adjust chain tension every 500 km (300 miles).

Fluid Specifications

Engine Oil Specification:

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

Brake Fluid Specification:

DOT 3 or DOT 4 (for disc brake models, if applicable)

Known Issues

Common Wear Items:

Clutch plates, brake pads/shoes, chain and sprockets, wheel bearings, fork seals, throttle cables, and air filters are common wear items.

Carburetor Fouling:

Can be prone to fouling if the bike sits for extended periods or with stale fuel.

Suspension Wear:

Fork seals can leak, and rear shock absorbers may lose damping over time.

📚 Vehicle History

Brand Heritage

Heritage:

Yamaha Motor Company has a long and successful history in motorcycle manufacturing, known for innovation and performance across various segments.

Model Evolution

Ttr Lineage:

The TTR series is Yamaha's line of recreational off-road motorcycles, offering models across various displacements for different skill levels.

Ttr125 Introduction:

Introduced as a successor to older models, the TTR125 quickly became a popular choice for its user-friendly nature and capability.

Production

Manufacturing Location:

Likely manufactured in Japan or Southeast Asia by Yamaha Motor Co., Ltd.

Production Years:

The TTR125 has been in continuous production with updates since its introduction, with the 2002 model being an early iteration.

🏆 Awards & Recognition

Recognitions

Industry Awards:

While specific awards for the 2002 model might not be widely documented, the TTR125 line has consistently been recognized for its value and suitability for new riders.

Ratings

Owner Satisfaction:

Generally high owner satisfaction for its reliability and ease of use in its class.