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.

4.6starstarstarstarstar_half(5)
visibility Preview Available
Yamaha 2003-2010 Yamaha TT-R125E TT-R125LWE Service Manual manual page preview - page 1 of 574

Sample pages from the 2003-2010 Yamaha TT-R125E TT-R125LWE Service Manual manual

Yamaha 2003-2010 Yamaha TT-R125E TT-R125LWE Service Manual manual preview page 1 - thumbnail
info_outline Click thumbnails to preview different pages
$18.55 (incl. VAT) Original OEM Factory Manuals & Data Instant Download / No Shipping Fees
OR BUY NOW
verified_user
Lifetime Access
Re-download anytime
flash_on
Instant Download
Get it immediately
lock
Secure Payment
PayPal
Technical Safety Notice
keyboard_arrow_down

This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Yamaha Models Covered & Key Technical Specifications

Models: Yamaha TT-R125E, Yamaha TT-R125LWE
Sub-models / Variants: TT-R125ER, TT-R125LWER
Build Years: 2003–2010
Serial Numbers: 5HP-28199-8A
Technical Data:

  • Engine displacement: 124 cm³ (7.57 cu.in)
  • Engine configuration: Air-cooled 4-stroke, SOHC, single cylinder
  • Bore × stroke: 54.0 × 54.0 mm (2.126 × 2.126 in)
  • Compression ratio: 10.0:1
  • Starting system: Kick and electric starter
  • Fuel tank capacity: 6.6 L (1.45 Imp gal, 1.74 US gal)
  • Transmission type: Constant mesh, 5-speed
Technical Specifications
keyboard_arrow_down
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

Yamaha Manual Features & Content Preview

Yamaha TT-R125E and TT-R125LWE Technical Documentation

  • Covers 2003–2010 Yamaha TT-R125E and TT-R125LWE off-road motorcycles, including the R-series variants for USA, Canada, Australia, New Zealand, and Europe
  • Official OEM publication form 5HP-28199-8A
  • Contains 574 pages of technical specifications, maintenance schedules, and exploded-view component diagrams
  • File links appear in your order confirmation straight away
  • Laid out for standard letter and A4 printing
  • This 2003–2010 edition serves as the foundational factory reference for the 124cc air-cooled SOHC engine architecture and chassis tuning

Mechanical and Systems Scope

This factory manual provides exhaustive documentation for the maintenance, inspection, and tuning of the Yamaha TT-R125E and TT-R125LWE series. Coverage spans six distinct chapters, addressing general operating functions, detailed technical specifications, periodic maintenance intervals, and in-depth engine and chassis service operations. The document includes granular component breakdown for the 5-speed constant-mesh transmission, ignition system, electrical components, and the CDI magneto charging system.

The publication further details critical torque settings and maintenance tolerances for both the standard and LWE trim levels. It provides comprehensive data on valve clearances, piston-to-cylinder tolerances, and brake system specifications for both the drum and disc configurations found across these models.

Technical Reference and Specification Previews

Specifications documented include a 124cc engine displacement with a 10.0:1 compression ratio and 54.0 × 54.0 mm bore and stroke dimensions. Cylinder head warp limits are specified at 0.03 mm. Valve clearance for the intake is listed at 0.08–0.12 mm in the engine specification table. Fuel system capacity for the TT-R125 series is documented at 6.6 liters total. Reference what an OEM service publication covers to understand the level of detail provided for your machine.

Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An official 574-page Yamaha OEM service manual covering the 2003–2010 TT-R125E and TT-R125LWE, documenting engine, chassis, electrical, and maintenance specifications for the 5HP-series build.

Manual FAQ, Purchase & Download Details

Does this Yamaha TT-R125E and TT-R125LWE service manual cover the 2003 through 2010 model year range? keyboard_arrow_down

Service manual includes coverage for the Yamaha TT-R125E and TT-R125LWE models produced from 2003 to 2010.

What kind of technical reference data is provided in the specification chapters for the engine? keyboard_arrow_down

Specification chapters contain bore and stroke dimensions, compression ratio data, and valve clearance reference values for the engine.

Are there wiring diagrams and electrical component references included in the document? keyboard_arrow_down

Chapter 6 of the manual includes electrical component layouts, ignition system details, and wiring diagrams for the charging and starting systems.

Does the manual provide details regarding fuel capacities for the TT-R125 series? keyboard_arrow_down

Specification tables listed in the document cover fuel tank capacities, including the total reserve fuel parameters for the machine.

Is the manual available in a format that can be accessed on multiple devices? keyboard_arrow_down

Product is provided in a PDF format, which is designed for convenient access across various digital devices.

Customer Reviews

Read what our customers say about this Yamaha Bike manual and share your own experience.