This manual covers the Suzuki Eiger All-Terrain Vehicle (ATV), models LT-A400 (2WD) and LT-A400F (4WD), from the first generation produced between 2002 and 2007. The Eiger is a mid-size utility ATV recognized for its reliable single-cylinder engine, user-friendly operation, and the significant feature of independent front suspension on 4WD models. Designed for versatility in both work and recreational applications, the Eiger offers robust build quality and cost-effective ownership through proper maintenance. Its engineering prioritizes dependability, making it a capable machine for various terrains and tasks. This comprehensive Factory Service Manual (FSM) provides detailed instructions for the repair, service, and maintenance of your Suzuki Eiger ATV. It encompasses all primary systems, including the engine, drivetrain, fuel, cooling, lubrication, chassis, electrical, suspension, brakes, and steering. Within its 424 pages, you will find routine maintenance schedules, component repair procedures, diagnostic troubleshooting flowcharts for common issues, and detailed technical specifications. This resource is designed to empower owners, mechanics, and technicians to perform accurate diagnostics, efficient repairs, and complete overhauls, ensuring the longevity and optimal performance of the vehicle. 🏷️ Basic Information Identification Make: Suzuki Model: Eiger Model Code: LT-A400 / LT-A400F Vehicle Type: All-Terrain Vehicle (ATV) Generation Generations Covered: First Generation (LT-A400/LT-A400F) Codes Chassis Codes: LT-A400 (2WD), LT-A400F (4WD) 👋 Introduction Market Position Category: Mid-size Utility ATV Competitive Analysis Competitors: Honda FourTrax 350/400, Kawasaki Prairie 360/400, Yamaha Big Bear 400, Polaris Sportsman 400/500 Key Features Distinctive Features: Reliable single-cylinder engine, independent front suspension (IFS) on 4WD models (LT-A400F), versatile for work and recreation, user-friendly operation. Manual Advantage: Contains all information found in original factory service manuals, enabling professional-level diagnostics and repairs. Value Proposition Benefits: Cost-effective repairs and maintenance, extended vehicle lifespan, improved performance through proper upkeep, DIY capability. 📋 Manual Details Coverage Areas Applicable Years: 2002, 2003, 2004, 2005, 2006, 2007 Applicable Models: LT-A400, LT-A400F (including all sub-trims and variations) Page Count Total Pages: 424 Manual Type Type: Factory Service Manual (FSM) Content Scope: Repair, Service, and Technical Manual Language Language: English Format Delivery Format: PDF Download 📖 Manual Coverage Systems Covered Primary Systems: Engine, Drivetrain, Fuel System, Cooling System, Lubrication System, Chassis, Electrical System, Suspension, Brakes, Steering Electrical Details: Complete electrical system diagnosis, wiring diagrams, component testing, troubleshooting of lighting, ignition, charging system, and starter. Procedures Included Repair Maintenance: Routine Maintenance, Scheduled Servicing, Component Repair, Troubleshooting, Diagnostics, Overhauls, Adjustments, Replacements, Electrical System Diagnosis Engine Overhaul: Engine disassembly, cleaning, inspection, component replacement (pistons, rings, valves, bearings), reassembly, and break-in procedures. Drivetrain Repair: CVT clutch inspection and replacement, gearcase maintenance, propeller shaft inspection, differential servicing (LT-A400F). Technical Depth Depth: Comprehensive: From basic troubleshooting to complete engine and transmission rebuilds, including detailed electrical schematics and component-specific procedures. Diagrams Illustrations: Detailed exploded views, step-by-step illustrations, and clear wiring schematics for all major systems and components. Supplements Model Year Differences: Includes specific supplements for 2003-2007 models, highlighting any updates or changes to procedures or specifications. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text (OCR-enabled) Print Quality Print Readability: High-resolution scans ensuring clarity of text and diagrams Binding Type Binding Recommendation: Printable for 3-ring binder Paper Type Recommendation For Print: Suitable for standard office paper, with option to print specific pages for workshop use ⚙️ Engine Specifications Primary Engine Type: 4-stroke, SOHC, 1-cylinder, liquid-cooled Displacement: 376 cc (23.0 cu. in.) Bore X Stroke: 85.0 mm x 66.0 mm (3.35 in. x 2.60 in.) Compression Ratio: 9.2:1 Performance Horsepower: Approx. 20-22 HP (estimated based on typical class performance) Torque: Approx. 20-22 lb-ft (estimated based on typical class performance) Fuel System Carburetor: Mikuni BSR32 (for most models) Fuel Type: Unleaded gasoline, 87 octane minimum Cooling System Type: Liquid-cooled with fan-assisted radiator Lubrication System Type: Wet sump Oil Type Recommended Oil: Suzuki 4-stroke motorcycle oil SAE 10W-40 API SG or higher (refer to manual for specific requirements) 🔧 Transmission Standard Type: Automatic (CVT - Continuously Variable Transmission) with High/Low range and Reverse Features Drive Modes: 2WD (LT-A400), 4WD (LT-A400F) Engagement System: Shaft drive, with torque-sensing limited-slip front differential (LT-A400F) Fluid Specifications Cvt Fluid: Refer to manual for specific CVT fluid type and capacity (often a specific ATF or specialized fluid) 📐 Dimensions Exterior Length: Approx. 76.6 in. (1945 mm) Width: Approx. 42.1 in. (1070 mm) Height: Approx. 45.7 in. (1160 mm) Wheelbase: Approx. 48.4 in. (1230 mm) Cargo Front Rack Capacity: Approx. 44 lbs (20 kg) Rear Rack Capacity: Approx. 88 lbs (40 kg) Weights Dry Weight: Approx. 500-520 lbs (227-236 kg) depending on 2WD/4WD Curb Weight: Approx. 530-550 lbs (240-250 kg) depending on 2WD/4WD Towing Towing Capacity: Approx. 1,000 lbs (454 kg) Tires Front Tire Size: AT 25x8-12 Rear Tire Size: AT 25x10-12 Recommended Tire Pressure: Refer to manual (typically 3-5 psi) 🛡️ Safety Features Ratings Safety Standards: Manufactured to meet ANSI/SVIA 1-2001 and 2003 standards Active Features Braking System: Front: Dual hydraulic disc brakes; Rear: Single hydraulic...