🏷️ Basic Information

Make:

Yamaha

Model:

TTR125

Year:

2006

Product Type:

Service and Repair Manual

Vin Decoder Note:

While this manual covers the 2006 TTR125, VIN decoding is typically performed using manufacturer-specific tools or online databases for precise component identification.

👋 Introduction

Segment:

Recreational Off-Road Motorcycle

Target Audience:

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

Competitors:

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

Differentiation:

Yamaha's TTR series is known for its reliability, user-friendliness, and solid performance for its displacement class, often favored for its ease of maintenance and robust build.

Engine Type:

Air-cooled, SOHC, 4-stroke single.

Transmission:

5-speed constant mesh with wet multi-plate clutch.

Suspension:

Telescopic front fork, Monocross rear suspension.

Starter:

Kick starter.

Value Proposition:

Provides factory-level repair and maintenance information for owners and technicians, enabling proper upkeep and troubleshooting.

📋 Manual Details

All Repairs:

Yes

Servicing:

Yes

Estimated Pages:

Refer to product download for exact page count. Factory service manuals are typically extensive, ranging from 300-800 pages for comprehensive coverage.

Type:

Factory Service Repair Workshop Manual

Language:

English

Format:

Digital Download (PDF)

Accessibility:

Downloadable to computer, tablet, or smartphone

Expiry Date:

No Expiry Dates

Extra Fees:

No Extra Fees

📖 Manual Coverage

Engine:

Full engine overhaul, diagnostics, repair, tuning.

Fuel System:

Carburetor overhaul, fuel lines, fuel tank, fuel pump (if applicable).

Ignition System:

CDI, spark plug, ignition coil, wiring diagrams.

Cooling System:

Air-cooled system maintenance and component inspection.

Transmission:

Gearbox internal inspection, repair, lubrication.

Clutch:

Clutch assembly inspection, adjustment, and replacement.

Suspension Front:

Front fork service, seal replacement, oil levels, damping adjustments.

Suspension Rear:

Rear shock absorber inspection, linkage service, spring preload adjustment.

Brakes Front:

Drum brake or disc brake service, pad/shoe replacement, fluid bleeding (if applicable), caliper service.

Brakes Rear:

Drum brake service, shoe replacement, adjustment.

Wheels And Tires:

Wheel bearing service, spoke tensioning, tire replacement, pressure checks.

Electrical System:

Wiring diagrams, lighting, horn, battery maintenance, charging system (stator, rectifier).

Frame And Bodywork:

Chassis inspection, sub-frame, plastic body panel removal and installation, seat service.

Controls:

Handlebar, levers, cables (throttle, clutch, brake), footpegs.

Exhaust System:

Muffler and header pipe inspection, gasket replacement.

Routine Maintenance:

Oil changes, filter replacements, chain adjustment, general inspection.

Troubleshooting:

Diagnostic flowcharts, common problems and solutions.

Repair Procedures:

Step-by-step instructions for component removal, installation, and adjustment.

Rebuilds:

Detailed procedures for engine and gearbox overhauls.

Specifications Data:

Torque values, clearances, fluid capacities, electrical specs.

Wiring Diagrams:

Comprehensive electrical schematics for all systems.

Depth:

Comprehensive, covering basic maintenance to complete engine and gearbox rebuilds. Suitable for professional mechanics and experienced DIY enthusiasts.

📊 Manual Specifications

File Type:

PDF (Portable Document Format)

Searchable:

Likely searchable text within the PDF, enhancing ease of use.

Quality:

Professional quality digital document, optimized for clear reproduction on screen and when printed.

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Type:

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

Displacement:

124 cc

Bore X Stroke:

54.0 mm x 54.5 mm

Compression Ratio:

9.5:1

Horsepower Estimate:

Approximately 10-12 HP (exact figures vary by region and tuning, consult manual for specific dyno charts if available).

Torque Estimate:

Approximately 7-9 lb-ft (exact figures vary, consult manual).

Carburetor Type:

Mikuni VM20SS or similar 20mm constant velocity carburetor.

Fuel Type:

Unleaded gasoline

Oil Type:

Yamaha recommends Yamalube or equivalent SAE 10W-40 API SE, SF, or SG motor oil.

Oil Capacity With Filter:

0.90 L (0.95 US qt)

Ignition System:

CDI (Capacitor Discharge Ignition)

Spark Plug Type:

NGK CR7HSA or DENSO U22HSR-U (check manual for definitive specification).

🔧 Transmission

Type:

5-speed constant mesh

Clutch Type:

Wet, multiple-disc

Gear Ratios:

Consult manual for specific gear ratios (e.g., 1st: 2.833, 2nd: 1.867, 3rd: 1.381, 4th: 1.130, 5th: 0.917 - these are typical, verify with manual).

Final Drive:

Chain drive (428 pitch, typically 13T front, 49T rear sprockets - verify with manual).

Gear Oil:

SAE 80 API GL-4 hypoid gear oil (or consult manual for specific viscosity and API rating).

📐 Dimensions

Length:

Approx. 1835 mm (72.2 in)

Width:

Approx. 790 mm (31.1 in)

Height:

Approx. 1085 mm (42.7 in)

Seat Height:

Approx. 775 mm (30.5 in)

Wheelbase:

Approx. 1260 mm (49.6 in)

Dry Weight:

Approx. 77 kg (169.8 lbs)

Wet Weight:

Consult manual for exact wet weight (typically includes all fluids).

Fuel Capacity:

6.0 L (1.6 US gal)

🛡️ Safety Features

Safety Certifications:

As an off-road motorcycle, it is not subject to typical DOT or NHTSA safety ratings. Compliance with local off-road vehicle regulations is expected.

Braking System:

Effective drum brakes on both front and rear wheels for reliable stopping power suitable for off-road conditions.

Throttle Control:

Positive throttle return mechanism for safety and predictable control.

Frame Construction:

Durable steel frame designed for off-road stress.

Ergonomics:

Designed for a comfortable riding position that aids rider control and reduces fatigue.

💡 Technology Features

Infotainment System:

N/A (This is a basic off-road motorcycle, not equipped with modern infotainment systems).

Driver Assistance Features:

N/A (No electronic rider aids or driver assistance systems are present on this model).

Connectivity Features:

N/A (No connectivity features like Bluetooth or Wi-Fi).

🔧 Maintenance

Engine Oil Change:

Every 1000 km (600 miles) or 6 months, whichever comes first. More frequently for severe use (consult manual).

Air Filter Cleaning:

Every 10-15 hours of operation or as needed based on conditions (consult manual).

Spark Plug Check Clean:

Every 1000 km (600 miles) or 6 months. Replace as needed.

Chain Lubrication Adjustment:

Every 500 km (300 miles) or after riding in wet conditions.

Valve Clearance Check:

Every 3000 km (1800 miles) or 12 months (consult manual for exact intervals).

Engine Oil:

SAE 10W-40 API SE, SF, or SG (Yamalube recommended).

Fork Oil:

Yamaha Genuine Fork Oil G-10 or equivalent SAE 10W (refer to manual for exact type and quantity).

Brake Fluid:

DOT 3 or DOT 4 for disc brake models (if applicable, check manual). Drum brake models typically do not have hydraulic fluid.

Common Wear Items:

Clutch plates, brake shoes/pads, wheel bearings, fork seals, chain and sprockets are common wear items requiring regular inspection and replacement.

Carburetor Cleaning:

Carburetors can sometimes get clogged with debris or varnish if the bike sits for extended periods, requiring cleaning and adjustment.

Starter Mechanism:

Kick starter mechanism can wear over time; proper maintenance is key.

📚 Vehicle History

Heritage:

Yamaha Motor Corporation has a long and storied history in motorcycle manufacturing, known for innovation, performance, and reliability across various disciplines including off-road.

Ttr Series:

The TTR series represents Yamaha's commitment to the recreational off-road market, offering models from smaller displacements like the TTR50 and TTR90 up to larger bikes. The TTR125 has been a popular entry-level and intermediate trail bike for many years.

Ttr125 2006 Model:

The 2006 model year saw continued refinement of the TTR125 platform, building on its established reputation for durability and ease of use, often featuring minor updates in styling or components compared to previous years.

Manufacturing Location:

Typically manufactured in Japan or Asia (specifics can vary, consult historical Yamaha production data).

🏆 Awards & Recognition

Industry Awards:

While specific awards for the 2006 TTR125 are not widely publicized, the TTR line has consistently been recognized within the off-road community for its value, reliability, and suitability as an entry-level machine.

Owner Satisfaction:

Generally high owner satisfaction due to its durability and ease of use, making it a popular choice for families and beginner riders.