Welcome to the comprehensive guide for the Suzuki LT-A400 Eiger 400, a robust utility All-Terrain Vehicle (ATV) produced between 2002 and 2007. Engineered for reliability and ease of maintenance, this model has established itself as a capable machine for recreational riders, farmers, hunters, and general utility users. Its design emphasizes a balance of performance and affordability, offering a solid build and dependable off-road capability that has earned it generally good consumer satisfaction within its class. The LT-A400 is a testament to Suzuki's long-standing reputation for producing durable powersports vehicles. This workshop service manual provides in-depth, step-by-step instructions for the repair and maintenance of your Suzuki LT-A400 Eiger 400. Covering all essential systems, including the engine, fuel, ignition, transmission, drivetrain, suspension, brakes, and electrical systems, this manual is an indispensable resource for owners and technicians. It details scheduled maintenance, troubleshooting common issues, component disassembly and assembly, and necessary adjustments, all supported by clear diagrams and factory specifications. With 424 pages of detailed information in English, this manual is designed to help you keep your ATV in optimal condition and extend its service life. 🏷️ Basic Information Identification Make: Suzuki Model: LT-A400 Model Designation: Eiger 400 Generation Generation Identifier: First Generation (LT-A400) Codes Chassis Code Range: LT-A400 👋 Introduction Market Position Segment: Utility ATV (All-Terrain Vehicle) Target Audience: Recreational riders, farmers, hunters, general utility users. Competitive Analysis Key Competitors: Honda FourTrax, Yamaha Kodiak, Kawasaki Bayou/Brute Force, Polaris Sportsman. Key Features Vehicle Strengths: Reliability, ease of maintenance, robust build, capable off-road performance for its class. Manual Value Proposition: Provides comprehensive, step-by-step repair and maintenance guidance, enabling DIY servicing and extending vehicle lifespan. 📋 Manual Details Coverage Areas Applicable Years: 2002, 2003, 2004, 2005, 2006, 2007 Page Count Total Pages: 424 Manual Type Type: Workshop Service Manual Purpose: Repair and Maintenance Language Primary Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine: Complete overhaul, diagnosis, troubleshooting, adjustments, specifications. Fuel System: Carburetor(s), fuel pump, fuel lines, fuel tank inspection and repair. Ignition System: CDI unit, ignition coil, spark plug, timing inspection and adjustment. Transmission: Automatic transmission (CVT), clutch, drive belt, gears, maintenance, and repair. Drivetrain: Shaft drive, differential, constant velocity (CV) joints, front and rear drive shafts. Suspension: Front and rear suspension components, shock absorbers, springs, control arms, alignment. Brakes: Hydraulic brake system, front and rear calipers, brake discs, brake lines, master cylinder, bleeding procedures. Electrical System: Lighting, starting system, charging system (stator, regulator/rectifier), battery, wiring diagrams, fuses, relays. Cooling System: Air-cooled engine, cylinder head cooling fins, fan (if applicable). Exhaust System: Muffler, exhaust pipe, heat shields, inspection and replacement. Frame And Bodywork: Frame inspection, chassis components, body panels, seat, fenders, handlebars, controls. Wheels And Tires: Tire inspection, replacement, wheel bearing maintenance, tire pressure specifications. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, lubrication, spark plug replacement, valve clearance checks. Troubleshooting: Diagnosis of common problems, electrical system troubleshooting, engine performance issues. Disassembly: Detailed step-by-step procedures for component removal. Assembly: Detailed step-by-step procedures for component reinstallation. Repair: Instructions for fixing worn or damaged components. Adjustment: Carburetor adjustments, brake adjustments, clutch adjustments, ignition timing adjustments. Special Tools: Identification and usage of required special service tools. Technical Depth Depth Level: Comprehensive (Bumper-to-Bumper) Detail Level: Step-by-step procedures with pictorial diagrams, exploded views, and photos. Diagnostic Coverage: Inclusion of diagnostic information and procedures. Specification Coverage: Service data, tightening torques, wear limits, and factory specifications. 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Yes, all pages are printable. Readability: High quality, zoomable, clear text and images. Binding Type Binding: Digital Download (No physical binding) Paper Type Paper Type: N/A (Digital PDF) Compatibility Operating Systems: Windows, Mac, Linux OS Required Software: Adobe Reader or compatible PDF viewer. ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, SOHC, single-cylinder Displacement: 376 cc (23.0 cubic inches) Bore X Stroke: 81.0 mm x 72.0 mm Cooling System: Air-cooled Compression Ratio: 9.2:1 Performance Horsepower: Approx. 22-25 HP (Estimate based on class and era) Torque: Not explicitly specified in product info, but adequate for utility tasks. Fuel System Fuel Delivery: Mikuni BSR33 carburetor Fuel Type: Unleaded gasoline, minimum 87 octane Fuel Tank Capacity: Approx. 16 Liters (4.2 US gal) 🔧 Transmission Standard Type: Automatic (CVT - Continuously Variable Transmission) Drive Modes: 2WD/4WD selectable with Hi/Lo range and Reverse Features Drive Belt Maintenance: Manual covers inspection, replacement, and tensioning of the drive belt. 📐 Dimensions Exterior Overall Length: Approx. 2070 mm (81.5 in) Overall Width: Approx. 1110 mm (43.7 in) Overall Height: Approx. 1170 mm (46.1 in) Weights Curb Weight: Approx. 255 kg (562 lbs) Payload Capacity: Not explicitly stated, but typically around 150-200 kg for utility ATVs. Towing Capacity: Approx. 300 kg (661 lbs) Front Rack Capacity: Approx. 45 kg (99 lbs) Rear Rack Capacity: Approx. 85 kg (187 lbs) 🛡️ Safety Features Ratings Crash Test Ratings: N/A (ATVs typically do not...