1987-2002 Yamaha TZR125 & DT125R Service and Repair Manual

Procedural, Technical, Consolidated handbook for the Yamaha TZR125 & DT125R. Includes diagrams, specifications, and repair procedures for maintenance. Part number 1655-11ABS.

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Document Details

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Document Number / Seller:
25283 / Donna Ramirez
File Size:
21.59 MB
File Type:
PDF
Language:
English
Pages:
162
Printable:
Yes
Category:
Motorbike
Last updated / verified
Jan 20, 2026

Models Covered & Key Technical Specifications

Yamaha TZR125 & DT125R (1655-11ABS) -- 1987-2002 Procedural, Technical, Consolidated Handbook | Kit.

  • Approved Tank Capacity: 12 L establishes the reserve margin.
  • Factory Clearance Data: For optimal operation, 20 mm defines the ground clearance.
  • Primary Power Rating: 14 kW -- signifies the peak engine output.
  • General Component Weight: The engine assembly requires 35 kg for standard operation.
  • Essential Fill Levels: Maximum throughput reaches 1.0 L.

Manual Description & Preview

Applied Configuration Service Manual: Motorcycle Yamaha TZR125 & DT125R: Factory Diagnostics & Maintenance (1987-1993, 1988-2002) Diagnostic-Reference

Serial-Range: TZR125 (1987-1993) / DT125R (1996-2002) // Serial-Range: Motorcycle / engine Logic // Serial-Range: Diagnostic-Reference.

Integrated-Framework Technical-Path Calibration-Data
Engine Cooling System Fuel System
Ignition System Frame Wheels
Brakes Tyres Electrical System

Technical content addresses engine and gearbox, cooling, fuel, ignition, and electrical systems, as well as frame, forks, wheels, brakes, and tires. This manual documents torque specifications for various components to ensure proper seal compression uniformity.

Steering component information is provided for:

This document meticulously outlines the procedures for inspecting and servicing the steering head assembly, including bearing checks and adjustments, ensuring optimal handling and safety.

Inspection guidelines are provided for:

The manual details comprehensive inspection guidelines for the front forks, covering dismantling, renovation, and reassembly, ensuring their structural integrity and performance.

Alignment specifications are included for:

It provides precise alignment specifications for the rear suspension unit and associated components, crucial for stable and predictable motorcycle dynamics.

Reference data is included for:

Detailed reference data for wheel and tyre procedures, including removal, refitting, and balancing, is present to maintain optimal performance and safety.

This manual covers:

The electrical system section offers thorough diagnostics and testing procedures for various components, including the generator, ignition system, and lighting, to ensure reliable operation.

FAQ

Can I view detailed component breakdowns and exploded views of the engine assembly in this document? keyboard_arrow_down

Manual includes comprehensive technical illustrations and exploded views for major assemblies, including the engine and clutch sections. These diagrams are designed to show how components are grouped and associated within the overall assembly.

Which chapters cover the technical details for the engine, clutch, and gearbox assemblies? keyboard_arrow_down

Chapter 1 of this service manual is specifically dedicated to the technical coverage of the engine, clutch, and gearbox systems.

What kind of specification data and tightening references are available in the manual? keyboard_arrow_down

Document contains dedicated specification tables that list standard torque settings and measurement criteria. These sections provide reference values for various fastener types and thread diameters to assist with general technical information. You will find these comprehensive data tables located at the end of the relevant system chapters.

Does the manual contain wiring diagrams for the electrical system? keyboard_arrow_down

Document includes a dedicated wiring diagrams section that provides visual references for the electrical circuits.

Are there specific edition references or publication cues that verify this manual's identity? keyboard_arrow_down

Manual is identified by the Haynes publication number 1655 and covers the Yamaha TZR125 and DT125R models. The document also includes specific revision and copyright data indicating it is a part of the Haynes Service and Repair Manual series.

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