1998-1999 Yamaha YZ400F(K)/LC Service Manual

This comprehensive service manual covers the Yamaha YZ400F(K)/LC, detailing operation, inspection, and maintenance procedures for optimal performance and longevity. Part Number: 5BE-28199-80.

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Document Details

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Document Number / Seller:
24748 / Douglas Rodriguez
File Size:
26.63 MB
File Type:
ZIP
Language:
English, French, German
Printable:
Yes
Category:
Bike
Last updated / verified
Jun 28, 2025

Models Covered & Key Technical Specifications

Yamaha YZ400F(K)/LC (5BE-28199-80) Manual: 1998-1999 Models

1998-1999 Yamaha YZ400F(K)/LC Service Manual | Yamaha Motor Corporation Module

  • Design Data: 92.0-92.01 mm bore establishes the piston displacement standard.
  • Advanced Consumption Data: For optimal operation, 1.5 L signifies the oil capacity.
  • Technical Limits: The coolant system requires 1.15 L -- signifies the maximum coolant volume.
  • Standard Fit Tolerances: The carburetion requires 27/14 (1.929) for the 1st gear ratio.
  • Principal Scan Resolution: The fuel tank capacity reaches 8.0 L Parameters.
  • Key Adjustment Range: The spark plug gap is 0.7 - 0.8 mm for standard operation Standards.

Professional Workshop Service Manual & Technical Specifications

1998-1999 Yamaha YZ400F(K)/LC Service Manual: Engineering-Archive

Series-Validation: YZ400F(K)/LC // System-Coverage: Bike / Engine Logic // Series-Validation: 1998-1999 Technical-Documentation.

Technical Specs

Component Value Validation-Data
Model Code 5BE1 (USA, CAN, ZÁ, OCEANIE) 5BE2 (EUROPE) N/A
Engine Type Liquid cooled 4-stroke, DOHC N/A
Displacement 399 cm³ (14.1 Imp oz, 13.5 US oz) N/A
Compression Ratio 12.1 : 1 N/A
Carburetor FCR 39H KEIHIN N/A

Document Overview

The service manual covers the Yamaha YZ400F(K)/LC from 1998-1999. It provides detailed information for technicians and owners on the machine's various systems.

Hydraulic schematics are included for the lubrication system, detailing oil flow and component connections.

Steering component information is provided for the front fork and rear suspension setup.

Inspection guidelines are provided for engine maintenance, including critical wear checks and part replacement.

Alignment specifications are included for the drive chain and wheel alignment to ensure proper handling.

Reference data is included for electrical system components, including the CDI magneto and wiring diagrams.

This manual documents torque specifications for critical engine and chassis components to ensure proper vibration dampening and assembly integrity.

FAQ

What is the **required** fluid capacity for the engine oil? keyboard_arrow_down

1.5 L (1.32 US qt) is the periodic oil capacity for the engine.

Calculate the **specified** component identification for the carburetor. keyboard_arrow_down

FCR 39H KEIHIN is the specified carburetor manufacturer and model.

What values are **essential** for the valve clearance adjustment procedures? keyboard_arrow_down

0.15 - 0.20 mm (0.0059 - 0.0079 in) for intake and 0.25 - 0.30 mm (0.0098 - 0.0118 in) for exhaust are the essential cold valve clearance values.

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Reviews (4)

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This manual has everything you need for repairs and maintenance.
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Rated 5 out of 5 stars
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I found the download process to be smooth and quick. Highly recommend!
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I had a question about the manual and received a quick response. Excellent service!