2009 Suzuki LT-Z400 Quadsport Z400 Service Manual

Wiring diagrams, specifications, and repair sequences for the 2009 Suzuki LT-Z400: engine, transmission, brakes, suspension. 09900-25008

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Document Details

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Document Number / Seller:
30939 / Daniel Sanchez
File Size:
42.24 MB
File Type:
PDF
Language:
English
Pages:
492
Printable:
Yes
Category:
ATV
Last updated / verified
Dec 28, 2025

Models Covered & Key Technical Specifications

Suzuki LT-Z400 Quadsport Z400 (09900-25008) - 2009 Reference Automotive Briefing | Series Sport ATV. Unit Certified Feed Speed: 1 600 ± 100 r/min. General Size Parameters: 1830 mm Overall Length. Defined Imaging Specs: 41° Steering Angle. Key Fluid Capacity: 9.5 L Fuel Tank Capacity. Verified End Play: 6 mm Toe-out. Factory Processing Speed: 215 mm Front Wheel Travel.

Manual Description & Preview

Definitive Suzuki LT-Z400 Service Manual (2009 Model) - Sport ATV Troubleshooting-Index

Engineering-Base: Structured Reference // Component-Focus: Automotive Handbook / ATV Logic // Assembly-Group: Tactical Archive Collection Specification Baseline Validation-Data
Fuel Capacity 9.5 L 2.5 US gal
Engine Oil Capacity 2.1 US qt 2.0 L
Front Tire Size AT22 x 7R10 Tubeless
Rear Tire Size AT20 x 10R9 Tubeless
Max Power Output 36 mm 1.42 in
Weight 193 kg 425 lbs

Service procedures are grouped by system: Engine, Suspension, Driveline/Axle, Brakes, Transmission/Transaxle, Steering, and Body/Accessories.

Engine Systems

Service information is provided for the engine, covering diagnostics, fuel system, ignition system, starting system, and charging system.

Suspension and Driveline

Inspection guidelines are included for front and rear suspension, wheels, tires, and drive chain adjustments.

Braking and Steering

Alignment specifications are included for the braking systems and steering system.

Body and Electrical Systems

Reference data is included for wiring systems, lighting, and exterior parts.

Troubleshooting

This manual covers common issues and diagnostic procedures for the LT-Z400.

Specifications

Detailed specifications cover engine, chassis, electrical, and capacity data. The manual documents torque specifications for various fasteners to ensure proper assembly and prevent component failure.

FAQ

Assess the **critical** calibration settings for the throttle position sensor. keyboard_arrow_down

4.5 – 5.5 V is the standard input voltage for the TP sensor at idle speed.

What components have **required** clearance measurements? keyboard_arrow_down

Valve clearance requires adjustment when the engine is cold, with intake valves at 0.10 – 0.20 mm and exhaust valves at 0.20 – 0.30 mm.

Confirm the **specified** torque specifications for the engine mounting bolts. keyboard_arrow_down

Engine mounting bracket bolts (1) require 26 N·m, while engine mounting nuts (2) require 66 N·m for proper torque.

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