2008-2009 Suzuki KingQuad 400 LT-A400/F, LT-F400/F Service Manual
Suzuki Models Covered & Key Technical Specifications
Models: 2008 Suzuki KingQuad 400 (LT-A400, LT-A400F, LT-F400, LT-F400F), 2009 Suzuki KingQuad 400 (LT-A400, LT-A400F, LT-F400, LT-F400F)
Sub-models / Variants: LT-A400/F (Automatic Transmission), LT-F400/F (Manual Transmission), K8 (2008 Model Year), FK9 (2009 Model Year Supplement)
Trade Names: KingQuad 400
Model Years: 2008–2009
Serial Numbers: 5SAAK48A87100001–, 5SAAK49A87100001–
Technical Data:
- Engine displacement: 376 cm3 (22.9 cu.in)
- Bore: 82.0 mm (3.228 in)
- Stroke: 71.2 mm (2.803 in)
- Engine type: 4-stroke, Air-cooled with SACS, OHC
- Compression ratio: 9.0:1
- Transmission type: Automatic variable ratio (V-belt) or 5-speed constant mesh
- Drive system: Shaft drive
- Fuel tank capacity: 16.0 liters (4.2 US gal)
Suzuki Manual Features & Content Preview
- Covers 2008–2009 Suzuki KingQuad 400 LT-A400/F and LT-F400/F models, detailing both the automatic CVT and manual 5-speed transmission variants
- Official Suzuki Motor Corporation factory publication (copyright 2007) containing 516 pages of comprehensive service and maintenance reference data
- Features detailed wiring harness routing diagrams, chassis bolt torque tables, and exploded-view component locations
What the Manual Documents
This factory service publication provides complete technical data and inspection procedures for the Suzuki KingQuad 400. It thoroughly details the engine's mechanical systems. Technicians will find specific parameters for cylinder head assembly, piston and ring inspection, and cam chain tensioning. Coverage also extends to the fuel system, ignition diagnostics, and cooling fan thermo-switch calibration. Drivetrain sections break down the automatic variable ratio transmission used in the LT-A400/F, alongside the 5-speed constant mesh gearbox found in the LT-F400/F.
Additional chapters outline chassis maintenance and electrical system troubleshooting. The manual defines essential procedures like suspension inspection, brake system bleeding, and steering linkage adjustment. Circuit diagrams and component locations clearly map out the lighting, starting, and charging systems. Before beginning any heavy chassis or engine work, always ensure you adhere to standard shop safety practices and utilize secure lifting points.
Specification Highlights
Technical data provided includes a 16.0-liter fuel tank capacity and a 376 cm3 engine displacement. Intake valve clearance measures at 0.05–0.10 mm according to the cylinder head specification table. Engine oil capacity, when performing a filter change, is documented at 3.1 liters for the LT-A400/F. Final drive gear backlash is tightly specified at 0.08–0.13 mm.
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