🏷️ Basic Information

Make:

Yamaha

Model:

TT-R125

Year:

2009

Model Code:

TT-R125E/L (Specific variations may exist based on E for Electric Start, L for Long Travel Suspension)

👋 Introduction

Category:

Recreational Off-Road Motorcycle

Target Audience:

Beginner to intermediate riders, trail riding, recreational off-road use.

Competitors:

Honda CRF100F/150F, Kawasaki KLX110/140, Suzuki DR-Z110/125.

Model Variant Features:

Available in both standard and electric start (E) versions, with some models featuring long-travel suspension (L) for improved off-road capability.

📋 Manual Details

Languages:

English

Estimated Page Count:

Approx. 300-400 pages (typical for this model's service manual)

Type:

Service Repair Manual

Format:

Digital (PDF)

📖 Manual Coverage

Engine:

Complete engine disassembly, assembly, tuning, lubrication, cooling system, and exhaust system.

Transmission:

Clutch operation, gearbox inspection, maintenance, and repair.

Fuel System:

Carburetor inspection, cleaning, adjustment, fuel tank, fuel lines, and petcock service.

Electrical System:

Ignition system (CDI, spark plug), charging system (stator, regulator/rectifier), lighting system, starting system (kick-start and electric start depending on model variant), wiring diagrams.

Suspension:

Front fork inspection, service, and adjustment; rear shock absorber service and linkage inspection.

Brakes:

Front and rear brake system service, including brake pad replacement, caliper maintenance, brake fluid bleeding, and lever/pedal adjustment.

Chassis And Bodywork:

Frame inspection, seat, fenders, fuel tank removal/installation, handlebars, footpegs, and general body panel service.

Wheels And Tires:

Wheel bearing inspection, spoke tensioning, tire replacement, and wheel balancing.

Routine Maintenance:

Oil changes, filter replacements, chain lubrication and adjustment, air filter cleaning/replacement, spark plug inspection.

Troubleshooting:

Diagnosing common starting issues, performance problems, electrical faults, and mechanical failures with step-by-step guides.

Repair Procedures:

Detailed instructions for component replacement, rebuilds, and adjustments for all major systems.

Special Tools:

Identification and usage of specialized tools required for certain procedures.

Torque Specifications:

Precise torque values for critical fasteners throughout the motorcycle.

Depth:

Comprehensive, covering from basic maintenance to full engine and transmission rebuilds. Includes detailed diagnostic procedures for electrical and mechanical issues.

📊 Manual Specifications

File Type:

PDF

Quality:

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

Binding:

N/A (Digital Format)

Paper:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Type:

Four-stroke, SOHC, air-cooled

Displacement:

124 cc

Bore X Stroke:

54 mm x 54 mm

Compression Ratio:

9.5:1 (typical)

Horsepower:

Approx. 9.7 HP @ 7,500 RPM (estimated, varies slightly by year/tune)

Torque:

Approx. 7.3 lb-ft @ 6,000 RPM (estimated)

Carburetor Type:

Mikuni VM20SS (typical)

Fuel Capacity:

1.6 Gallons (6.0 L)

Oil Capacity With Filter Change:

0.80 US qt (0.75 L)

Recommended Oil Viscosity:

Yamalube 4 (or SAE 10W-40) API Service SG or higher

🔧 Transmission

Type:

Constant mesh, 5-speed

Clutch Type:

Wet, multiple disc

Drive Type:

Chain Drive

Transmission Oil Capacity:

0.55 US qt (0.52 L) - shared with engine oil sump

📐 Dimensions

Overall Length:

72.8 inches (1850 mm)

Overall Width:

31.5 inches (800 mm)

Overall Height:

42.7 inches (1085 mm)

Wheelbase:

49.4 inches (1255 mm)

Ground Clearance:

10.0 inches (255 mm)

Wet Weight:

Approx. 167 lbs (76 kg) (for Electric Start model, varies slightly)

Seat Height:

31.5 inches (800 mm)

🛡️ Safety Features

Safety Compliance:

Manufactured to meet applicable EPA emissions standards for off-highway motorcycles.

Braking System:

Front: Disc brake; Rear: Drum brake.

Lighting:

Headlight, taillight, brake light.

💡 Technology Features

Features:

Basic motorcycle instrumentation: speedometer (on some models), odometer, trip meter, neutral indicator, and indicator lights.

Features:

N/A (This is a basic off-road motorcycle, no electronic driver assistance systems.)

🔧 Maintenance

Engine Oil Change Interval:

Every 1,000 km (600 miles) or 6 months, whichever comes first (typical recommendation, check manual).

Spark Plug Inspection Interval:

Every 1,000 km (600 miles) (typical recommendation).

Air Filter Cleaning Interval:

Every 600 km (360 miles) or more frequently in dusty conditions.

Chain Lubrication Adjustment Interval:

Every 300 km (200 miles) or after washing/riding in wet conditions.

Brake Fluid Type:

DOT 3 or DOT 4 (check manual for specific requirements).

Common Wear Items:

Clutch plates, brake pads, chain and sprockets, tires are common wear items on off-road motorcycles. Carburetor cleaning due to fuel degradation can also be frequent if not stored properly.

Electrical Notes:

Ensure battery is maintained (if applicable), and connections are clean and secure for reliable operation of the starting system and lights.

📚 Vehicle History

Manufacturer History:

Yamaha Motor Company is renowned for its innovation and quality in motorcycles, musical instruments, and other powered products, with a long-standing history in motorsports.

Tt R Series Origin:

The TT-R line represents Yamaha's commitment to accessible, fun, and capable off-road motorcycles for a wide range of riders.

Model Production Years:

The TT-R125 platform has been in production for many years, with the 2009 model being part of a well-established and refined lineage.

🏆 Awards & Recognition

Market Reputation:

The TT-R125 is widely regarded as a reliable, user-friendly, and fun entry-level off-road motorcycle, often recommended for junior riders and trail enthusiasts.