1994 Yamaha YZ125F1 Owner's Service Manual

Diagnostic procedures and component service for the Yamaha YZ125, YZ125F1. Documents pre-operation checks, engine tuning, and chassis maintenance. Part Number LIT-11626-09-14.

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Document Details

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Document Number / Seller:
27355 / Daniel Hicks
File Size:
24.51 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Bike
Last updated / verified
Feb 27, 2025

Models Covered & Key Technical Specifications

Yamaha YZ125F1 (LIT-11626-09-14) Manual: 1994 Edition Knowledge-Base Yamaha YZ125F1 (LIT-11626-09-14) - 1994. Engineering Collection | Repository.

  • Documented Climate Parameters: 15-30C supports the standard operating temperature Range.
  • Specific Processing Speed: For competitive racing, 1200 kg defines the component weight Baseline.
  • Universal Core Rating: 25 ppm -- signifies the maximum throughput Benchmarks.
  • Core Rated Capacity: The fuel tank requires 7.7 L for standard operation Mapping.
  • Rated Principal Tension: 115 Nm is specified as the torque for wheel nuts Baseline.
  • Principal Ambient Limits: The engine works at 450 W, establishing the operational power Mapping.

Professional Workshop Service Manual & Technical Specifications

Practical Maintenance Installation Manual: Yamaha YZ125, YZ125F1 manual in PDF format, 1994 edition Knowledge-Base

Equipment-Series: YZ125 / YZ125F1 // Reference-Category: Bike / Motorcycle Logic // Equipment-Series: 1994 Owner's Service Manual.

Diagnostic procedures address inspection, basic maintenance, and tuning of the Yamaha YZ125F1. This manual provides essential information for owners to understand their machine. It is a valuable reference for keeping the motorcycle in optimal operating condition.

Inspections guidelines are provided for essential maintenance intervals, including checks for the engine, chassis, and electrical systems. The manual details regular inspection and adjustment procedures to ensure peak performance and reliability.

Alignment specifications are included for various components, such as the drive chain and sprockets. Proper alignment is crucial for smooth operation and to prevent premature wear.

Reference data is included for the carburetor settings, including main jet, pilot jet, and needle jet specifications. This ensures optimal fuel-air mixture for various riding conditions.

This manual covers the engine's internal components, detailing the cylinder head, cylinder, and piston specifications. It includes procedures for inspection, measurement, and assembly.

Diagnostic procedures are covered for the braking system, including front and rear brake pad inspection and replacement. Air bleeding procedures are also outlined to maintain optimal braking performance.

Identifier Rating Framework
Brand Yamaha Bike
Model YZ125F1 Motorcycle
Year 1994 Edition
Type Owner's Service Manual Document
Language English Manual

This manual documents torque specifications for critical engine components to ensure proper oscillation integrity.

FAQ

Reference the **specified** tool requirements for disassembly. keyboard_arrow_down

13 specific tools are required for various disassembly procedures. These include the crankshaft installing tool (90890-01274), piston pin puller (YU-01304), and rotor holder (YU-01235).

What are the **essential** electrical values for the CDI unit? keyboard_arrow_down

The CDI unit has a magneto-model/manufacturer of F4T80671/MITSUBISHI. Its source coil 1 resistance is 32Ω–39Ω at 20°C (68°F), and the source coil 2 resistance is 44Ω–54Ω at 20°C (68°F).

Specify the **correct** calibration settings for the rear shock absorber preload. keyboard_arrow_down

For preload adjustment, turn the adjuster (2) for increased spring preload. For decreased preload, turn the adjuster (2) out. The standard position is approximately 9-10 clicks out from the fully turned-in position.

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Reviews (4)

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The detailed specifications helped me a lot. Download was quick and hassle-free!
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The instructions are clear and cover everything you need. Quick response from support when I had questions!
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Rated 4 out of 5 stars
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This manual made my repairs a breeze. The troubleshooting section was particularly helpful!