2000 Yamaha YZ125M Service Manual

2000 Yamaha YZ125M — engine, chassis, electrical systems, and tuning procedures. Part number 5TDF-W0033-00.

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Document Details

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Document Number / Seller:
29633 / Edward Morgan
File Size:
5.26 MB
File Type:
PDF
Language:
English
Pages:
247
Printable:
Yes
Category:
Motorcycle
Last updated / verified
Nov 6, 2025

Models Covered & Key Technical Specifications

2000 Yamaha YZ125M Maintenance & Repair Manual: Comprehensive Service Procedures

Motorcycle Portfolio: 2000 Yamaha YZ125M // Application Range: Race Track // Model Designation: YZ125M

  • Approved Specifications Data: 0.5-0.6 mm clearance is required for the spark plug gap Architecture.
  • Factory Fuel Capacity: For race use, 8.0 L defines the required fuel tank capacity Framework.
  • Verified Engine Displacement: 124 cm³ -- signifies the engine's cubic capacity Threshold.
  • Designated Spark Plug: The CDI ignition system utilizes the BR9EG plug for standard operation Logic.
  • Essential Drive Chain Slack: For optimal performance, 40-50 mm is the specified drive chain slack Parameters.
  • Operational Tire Pressure: 100 kPa establishes the recommended tire pressure Standards.

Professional Workshop Service Manual & Technical Specifications

2000 Yamaha YZ125M Maintenance & Repair Manual: Comprehensive Service Procedures

Model-Portfolio: 2000 Yamaha YZ125M // Application-Range: Race Track // Model-Designation: YZ125M

Technical chapters are organized around:

Engine Rebuild Procedures

Engine rebuild procedures are documented for comprehensive engine maintenance and repair, covering components from the cylinder head to the crankshaft.

Drivetrain Specifications

Drivetrain specifications are addressed in detail, including clutch and transmission assembly, gear ratios, and final drive components.

Component Locations

Component locations are identified for easy access during maintenance, detailing the placement of the front fork, rear shock absorber, and braking systems.

Maintenance Intervals

Service intervals are documented for all major components to ensure longevity and peak performance.

Reassembly Procedures

Reassembly procedures are specified for all major mechanical and electrical systems, ensuring correct assembly and functionality.

Metric Value Validation-Data
Engine Type Liquid cooled 2-stroke, gasoline Confirmed
Displacement 124 cm³ Verified
Bore x Stroke 54 x 54.5 mm Documented
Compression Ratio 8.7-10.8: 1 Standard
Starting System Kick starter Operational

Maintenance is crucial for ensuring the reliability and performance of your 2000 Yamaha YZ125M. This manual provides professional guidance on all service procedures, including detailed steps for disassembly, inspection, and reassembly of key systems. It documents torque specifications for critical engine components to ensure proper corrosion joint prevention and system integrity.

FAQ

What is the **required** fluid capacity requirements? keyboard_arrow_down

8.0 L (1.76 Imp gal, 2.11 US gal) is the specified fuel tank capacity.

Calculate the **specified** component identification. keyboard_arrow_down

The VIN location is on the right of the steering head pipe for USA, CDN, AUS, NZ, and E models.

What values **essential** adjustment procedures? keyboard_arrow_down

40-50 mm (1.6-2.0 in) is the essential drive chain slack adjustment range.

Assess the **correct** pressure specifications. keyboard_arrow_down

100 kPa (1.0 kg/cm², 15 psi) is the correct tire pressure specification for both front and rear tires.

What components **documented** assembly sequence? keyboard_arrow_down

The assembly sequence for the front brake includes installing the pad support, brake pad, and pad pin.

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Reviews (2)

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This manual is a must-have for Yamaha YZ owners. The detailed instructions make maintenance a breeze!
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I was impressed with the quick email response when I had questions. The download process was seamless too!