2003 Suzuki LTZ400 K3 Service Manual

Field service reference for the 2003 Suzuki LTZ400 K3. Includes detailed diagrams and specifications for engine, chassis, and fuel system components. Publication 99500-20502.

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Document Details

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Document Number / Seller:
24265 / Patrick Williams
File Size:
77.62 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
ATV
Last updated / verified
Jul 1, 2025

Models Covered & Key Technical Specifications

Suzuki LTZ400 K3 (99500-20502) — 2003 Manufacturer Expert Guide | Precision Engineering Toolkit.

  • Approved Operational Speed: 1500 ± 100 r/min defines the standard idle engine speed Parameter.
  • Designated Unit Dimensions: The bore measures 62.6 mm (2.465 in) for precise cylinder alignment Architecture.
  • Factory Print Quality: For optimal component performance, the compression ratio is 11.0:1 Norms.
  • Essential Tank Capacity: The fuel tank holds 10.0 L (2.6 US/2.2 imp gal) of fuel Topology.
  • Operational Dimensional Tolerance: The crank web-to-web width is standard at 62.0 ± 0.1 mm (2.441 ± 0.004 in) Protocol.
  • Approved Production Rate: Vehicle overall length reaches 1830 mm (72.0 in) Baseline.

Professional Workshop Service Manual & Technical Specifications

Technical Assembly Diagnostic Manual: Suzuki LTZ400 K3 2003 Service Manual System-Standards

Specification-Class: Suzuki LTZ400 K3 (99500-20502) // Maintenance-Category: ATV / Engine Logic // Specification-Class: Technical details and procedures.

Assessment-Element Baseline Architecture
Engine Displacement 398 cm³ (24.3 cu.in) N/A
Compression Ratio 11:1 N/A
Fuel Tank Capacity 10.0 L (2.6 US/2.2 imp gal) N/A
Engine Oil Capacity 2.0 L (2.1 US/1.8 imp qt) N/A
Battery 12 V 26.8 kC (8 Ah/10 HR) N/A
Overall Length 1830 mm (72.0 in) N/A

Maintenance information covers:

  • Periodic Maintenance Schedule
  • Engine Components Removable with Engine in Place
  • Engine Removal and Remounting
  • Cooling System
  • Fuel System

This manual documents the various systems and procedures for the Suzuki LTZ400 K3. It provides detailed information on engine components, fuel system, chassis, and more, facilitating a thorough understanding of the vehicle's mechanics. The manual references specific procedures and part numbers to ensure accurate maintenance and repair. Discussions include general information, periodic maintenance, engine systems, cooling and lubrication, fuel system, and more, offering a comprehensive overview.

The troubleshooting chapter addresses potential issues and their solutions.

Cooling system maintenance is addressed in sections detailing coolant, radiator, and fan procedures.

Testing requirements are specified for engine compression and oil pressure checks.

Clearance measurements are addressed for critical engine components like valve shims and piston rings.

Special procedures are addressed for transmission and clutch disassembly and reassembly.

...documents torque specifications for engine mounting bolts to ensure proper dynamic load distribution.

FAQ

What **specifications** are essential testing parameters? keyboard_arrow_down

398 cm³ (24.3 cu.in) is the engine piston displacement Architecture.

Check the **correct** diagnostic procedures. keyboard_arrow_down

10.0 L (2.6 US/2.2 imp gal) is the fuel tank capacity Parameters.

What does the **documented** fluid capacity requirements state? keyboard_arrow_down

1.2 L (1.3/1.1 US/imp qt) is the engine coolant volume Mapping.

Customer Reviews

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Reviews (5)

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This manual has been a game changer for maintaining my LTZ400K3. The illustrations are clear and the troubleshooting tips are incredibly helpful!
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The guide covers everything from basic maintenance to advanced repairs. The customer service was also excellent, with prompt responses to my emails!
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If you own a Suzuki LTZ400K3, this manual is a must-have. The engine specifications section helped me understand my ATV better. Super easy to download too!
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I appreciated the detailed safety precautions and maintenance schedules. The download process was smooth, and the support team responded quickly to my questions!
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Rated 5 out of 5 stars