2005-2006 Yamaha TT-R125 Workshop Manual
Complete workshop coverage for TT-R125 models with 124cc engine, CDI ignition, and 5-speed transmission. Includes maintenance schedules, specifications, torque values, and repair procedures.
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Sample pages from the 2005-2006 Yamaha TT-R125 Workshop Manual manual
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Yamaha Models Covered & Key Technical Specifications
Models: Yamaha TT-R125, Yamaha TT-R125E, Yamaha TT-R125LW, Yamaha TT-R125LWE
Sub-models / Variants: 2005–2006 models (model version V), standard and electric start configurations, LW (large wheel) variants
Trade Names: TT-R125
Build Years: 2005–2006
Serial Numbers: Model codes 1B29, 1B2A, 1B2D, 1B2E, 1B2B, 1B2C, 1B2F, 1B2G
Technical Data:
- Engine type: 4-stroke, air-cooled, SOHC, single cylinder
- Engine displacement: 124 cm³ (7.57 cu in)
- Bore and stroke: 54.0 × 54.0 mm
- Compression ratio: 10.0:1
- Transmission: 5-speed constant mesh, left foot operated
- Fuel system: Mikuni VM20SS carburetor
- Pickup coil resistance: 248–372 Ω at 20 °C
- Charging system capacity: 12 V/3.2 AH battery (E-start models)
- Cylinder head bolt torque: 22 Nm (M8), 10 Nm (M6)
- Piston-to-cylinder clearance: 0.020–0.026 mm
Yamaha Manual Features & Content Preview
Yamaha TT-R125 Series: Technical Documentation
- Covers 2005–2006 Yamaha TT-R125, TT-R125E, TT-R125LW, and TT-R125LWE off-road motorcycles including electric and kick-start variants
- Original OEM publication P/N 1B2-F8199-81, 1st edition published May 2005
- Contains 56 individual torque-specification tables and detailed electrical schematics for ignition and charging systems
- Downloads to your account within seconds of checkout
- Re-download the file any time, no expiration
- Suitable for printing individual sections for shop-floor use
- Indexed PDF search covers every chapter and appendix
- This 1st edition provides the specific baseline specifications for the 1B2-series platform release, documenting the original 2005 factory standards for engine assembly and chassis geometry
Manual Content Overview
This official factory manual details the service requirements for the Yamaha TT-R125 platform. The document is divided into six logical chapters, beginning with general maintenance information and machine identification markers for the 1B2-series codes. Subsequent sections detail technical specifications, inspection schedules, and engine disassembly. The manual also includes chassis configuration, suspension settings, and detailed electrical component testing for both standard and electric-start models.
Specification and Reference Data
Technical data sections provide comprehensive tolerances for engine components including camshaft runout, valve seat widths, and piston clearances. The engine assembly data section documents tightening requirements, such as the 22 Nm specification for cylinder head bolts. Understanding factory maintenance manuals is simplified through clear indexing of torque values and wire-harness continuity check procedures.
Cylinder head bolt torque is specified at 22 Nm in the maintenance table. The TT-R125 magneto pick-up coil resistance is documented at 248–372 ohms. Battery capacity for the electric-start models is rated at 3.2 AH. This official 610-page Yamaha OEM workshop manual provides comprehensive service, maintenance, and technical specifications for the 2005–2006 TT-R125 and TT-R125L series motorcycles.
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