2003-2010 Yamaha TT-R125E TT-R125LWE Service Manual

Technical reference covering Yamaha TT-R125E and TT-R125LWE models from 2003-2010, detailing engine, chassis, and electrical systems, with troubleshooting guides. Ref: 5HP-28199-8A.

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Document Details

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Document Number / Seller:
23524 / Amanda Boyd
File Size:
23.51 MB
File Type:
PDF
Language:
English, Italian, German, French
Pages:
574
Printable:
Yes
Category:
Bike
Last updated / verified
Jul 17, 2025

Models Covered & Key Technical Specifications

Yamaha TT-R125E / TT-R125LWE (5HP-28199-8A) — 2003–2010 Technical Service Compendium | TT-R125 Series Unit.

  • Applied Directory: 124 cm³ (7.57 cu.in) is rated at the engine displacement Architecture.
  • Digital Repository: 54.0 × 54.0 mm (2.126 × 2.126 in) — establishes the bore and stroke dimensions Norms.
  • Reference Digest: 10.0:1 compression ratio supports the combustion chamber pressure Bounds.
  • Applied Directory: Kick and electric starter initiates the primary machine operation Mechanism.
  • Digital Repository: 6.6 L (1.45 Imp gal, 1.74 US gal) provides the total fuel reserve Topology.
  • Reference Digest: 1.9 L (0.42 Imp gal, 0.5 US gal) is designated for emergency fuel Parameters.

Professional Workshop Service Manual & Technical Specifications

Precision Instructional Safety Manual: Bike 2003-2010 Yamaha TT-R125E TT-R125LWE Service Manual Standards-Vault

Product-Line: TT-R125E/LWE // Technical-Domain: Motorcycle / Off-road Logic // Operational-Framework: Mechanics.

Cooling system maintenance is addressed in Chapter 4. Testing requirements are specified for electrical components in Chapter 6. Clearance measurements are addressed for engine components in Chapter 2. Special procedures are addressed for the chassis in Chapter 5. Verification procedures are included for the fuel system and clutch in Chapter 3.

Organized into dedicated modules for detailed examination, this manual offers insights into various systems including engine diagnostics, chassis adjustments, electrical troubleshooting, and maintenance schedules. It covers everything from basic operations to advanced repair techniques, ensuring optimal performance and longevity of your Yamaha TT-R125E/LWE.

The manual documents torque specifications for engine mounting and exhaust systems to ensure proper gasket seal integrity.

Comprehensively establishing the operational framework, this manual details procedures for routine checks, system diagnostics, component specifications, and maintenance schedules. It includes an extensive table of contents and clear illustrations to facilitate understanding.

Metric Operational-Logic Logic
Engine Specifications 124 cm³ Bore × Stroke: 54.0 × 54.0 mm
Transmission 5-speed Gear Ratios: 1st: 37/14
Suspension Front Fork Travel: 180 mm Rear Shock Absorber Travel: 65 mm
Brakes Front: Drum Brake Rear: Drum Brake
Electrical System Ignition: CDI Battery: 12V/3.2AH
Fuel Capacity 6.6 L Reserve: 1.9 L

This extensive document provides a complete overview of the Yamaha TT-R125E and TT-R125LWE motorcycle systems. It is structured to guide the user through maintenance intervals, pre-operation checks, and detailed component inspections. The manual covers essential information on engine, chassis, and electrical systems, offering specific procedures for adjustments and repairs. The included sections on torque specifications and diagnostic information are crucial for ensuring the bike's optimal performance and safety.

FAQ

Calculate the **precise** pressure specifications for the tires. keyboard_arrow_down

100 kPa (1.00 kgf/cm2, 15 psi) is the specified tire pressure for both front and rear tires.

What values for **proper** assembly sequence are outlined for the engine? keyboard_arrow_down

Engine assembly sequence details are provided in Chapter 4, covering everything from cylinder head mounting to crankcase assembly, ensuring correct component positioning.

Assess the **standard** service interval parameters for maintenance. keyboard_arrow_down

Standard service intervals are detailed in Chapter 3, with items like fuel lines, spark plugs, and valves requiring checks at 10 hours (1 month), 60 hours (6 months), and 120 hours (12 months).

What components are **necessary** for the system architecture of the electrical system? keyboard_arrow_down

The electrical system architecture includes the CDI magneto, ignition coil, starter motor, charging system, and rectifier/regulator, all detailed in Chapter 6.

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The information is detailed and very helpful. I had a question and their support responded quickly. A great experience overall!