🏷️ Basic Information

Make:

Yamaha

Model:

TT-R125

Model Variants:

TT-R125(V), TT-R125E(V), TT-R125LW(V), TT-R125LWE(V)

Year:

2006

Product Type:

Service Repair Manual Download

👋 Introduction

Market Position:

The Yamaha TT-R125 series is positioned as a versatile youth/entry-level off-road motorcycle, suitable for trail riding, recreational use, and beginner motocross. The TT-R125E(V) and TT-R125LWE(V) variants offer electric start and longer wheelbases respectively, catering to a broader user base.

Competitive Analysis:

Competes directly with models like the Honda CRF100F/CRF125F and Kawasaki KLX125/KLX140. Yamaha's TT-R line is known for its reliability and user-friendliness.

Key Features Of Vehicle:

Air-cooled, 4-stroke engine; accessible power delivery; durable chassis; available in standard and long-wheelbase versions; electric start option (E/LWE models); suitable for a range of rider sizes.

📋 Manual Details

Coverage Areas:

Complete service, repair, and maintenance for all specified 2006 Yamaha TT-R125 variants.

Estimated Page Count:

300+

Manual Type:

Factory Service Repair Manual

Language:

English

Format:

Digital Download (PDF)

📖 Manual Coverage

Systems Covered:

Engine, Fuel System, Carburetor, Ignition System, Lubrication System, Clutch, Transmission, Drive Train, Frame, Suspension (Front & Rear), Brakes (Front & Rear), Wheels, Tires, Electrical System (Wiring Diagrams, Lights, Instruments), Cooling System (if applicable), Exhaust System, Chassis Components, Bodywork.

Procedures Included:

Routine Maintenance, Troubleshooting, Engine Overhaul, Carburetor Adjustment and Rebuild, Transmission Servicing, Clutch Replacement, Suspension Fork Servicing, Brake System Bleeding and Pad Replacement, Electrical System Diagnosis, Wheel Bearing Replacement, Chain Adjustment and Lubrication, Spark Plug Replacement, Air Filter Cleaning/Replacement, Oil Change Procedures, Valve Clearance Adjustment, Torque Specifications for all fasteners.

Technical Depth:

Comprehensive: Covers basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and specifications.

📊 Manual Specifications

File Format Details:

Searchable PDF, high-resolution images and diagrams, printable.

Print Quality:

High-resolution scanned factory original.

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type:

SOHC, 4-stroke, 2-valve, air-cooled

Displacement:

124 cc

Bore X Stroke:

54.0 mm x 54.5 mm

Compression Ratio:

9.5:1

Horsepower Estimated:

Approx. 10-12 HP (Varies slightly by tuning and model specifics)

Torque Estimated:

Approx. 7-8 lb-ft (Varies slightly by tuning and model specifics)

Fuel Delivery:

Carburetor (Mikuni VM20 for TT-R125, Mikuni VM22 for TT-R125LW)

Fuel Type:

Unleaded gasoline

Ignition Type:

CDI (Capacitor Discharge Ignition)

Oil Type Specification:

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

Engine Code:

4CF

🔧 Transmission

Transmission Type:

5-speed constant mesh

Clutch Type:

Wet, multi-plate

Final Drive:

Chain drive

Transmission Oil Specification:

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

Transmission Oil Capacity:

Approx. 1.0 Litre (0.9 US qt, 0.9 Imp qt) - Refer to manual for exact fill level.

📐 Dimensions

Overall Length Tt R125:

1830 mm (72.0 in)

Overall Length Tt R125Lw:

1950 mm (76.8 in)

Overall Width Tt R125:

755 mm (29.7 in)

Overall Width Tt R125Lw:

815 mm (32.1 in)

Overall Height Tt R125:

1060 mm (41.7 in)

Overall Height Tt R125Lw:

1115 mm (43.9 in)

Seat Height Tt R125:

790 mm (31.1 in)

Seat Height Tt R125Lw:

840 mm (33.1 in)

Wheelbase Tt R125:

1270 mm (50.0 in)

Wheelbase Tt R125Lw:

1340 mm (52.8 in)

Dry Weight Tt R125:

98 kg (216 lbs)

Dry Weight Tt R125Lw:

102 kg (225 lbs)

Fuel Tank Capacity:

7.0 L (1.8 US gal, 1.5 Imp gal)

Ground Clearance Tt R125:

260 mm (10.2 in)

Ground Clearance Tt R125Lw:

305 mm (12.0 in)

Front Tire Size Tt R125:

70/100-19M/C 42P

Front Tire Size Tt R125Lw:

80/100-21M/C 51P

Rear Tire Size Tt R125:

90/100-16M/C 54P

Rear Tire Size Tt R125Lw:

110/90-18M/C 61P

Wheel Type:

Spoked wheels

🛡️ Safety Features

Safety Ratings:

N/A (Off-road motorcycle, not subject to standard road vehicle safety ratings like NCAP.)

Active Safety Features:

Disc brakes front and rear for effective stopping power.

Passive Safety Features:

Durable steel frame, handlebars with crossbar for added strength, protective bodywork.

💡 Technology Features

Infotainment System:

Not applicable (Basic off-road motorcycle).

Driver Assistance Features:

Not applicable (Basic off-road motorcycle).

Connectivity Options:

Not applicable (Basic off-road motorcycle).

Instrumentation:

Analog speedometer, odometer, trip meter, neutral indicator light, high-beam indicator.

🔧 Maintenance

Oil Change Interval:

Every 1,000 km (600 miles) or 6 months. Refer to manual for specific conditions.

Air Filter Cleaning:

Every 600 km (400 miles) or more frequently in dusty conditions.

Valve Clearance Check:

Every 2,000 km (1,200 miles).

Spark Plug Replacement:

Every 6,000 km (3,600 miles).

Fork Oil Type:

Yamaha Fork Oil 10W or equivalent (Refer to manual for exact type and quantity)

Brake Fluid Type:

DOT 3 or DOT 4 hydraulic brake fluid

Common Issues:

Carburetor jetting sensitivity to altitude/temperature, occasional CDI unit failures, wear on clutch components with aggressive use, chain and sprocket wear.

Engine Oil Drain Plug Torque:

18 Nm (1.8 kgf-m, 13.3 lb-ft) - Consult manual for exact specification.

Front Axle Nut Torque:

54 Nm (5.5 kgf-m, 40 lb-ft) - Consult manual for exact specification.

📚 Vehicle History

Brand Heritage:

Yamaha has a long and storied history in motorcycle manufacturing, particularly in off-road and performance segments. The TT-R line builds upon Yamaha's legacy of producing reliable and capable dirt bikes.

Model Evolution:

The TT-R125 was introduced as a successor to older models and has seen consistent updates to maintain its relevance in the youth off-road market. Key evolutions include the introduction of electric start and longer wheelbase variants to accommodate a wider range of riders.

Production Period:

Early 2000s to present (with continuous updates).

🏆 Awards & Recognition

Awards And Recognitions:

While specific awards are not typically highlighted for this class of motorcycle, the TT-R125 series is widely recognized by enthusiasts and publications as a benchmark for entry-level off-road performance and durability.