Market Position:
The Suzuki Eiger 400 was positioned as a capable and versatile utility ATV, appealing to riders seeking reliable performance for work and recreation. It competed in a segment with offerings from Yamaha, Polaris, and Can-Am.
Competitive Analysis:
The Eiger 400 offered a good balance of power, comfort, and features for its class. Its key differentiators included Suzuki's reputation for reliability, the seamless automatic transmission, and the selectable 2WD/4WD system. This manual provides the necessary expertise to maintain and repair this competitive machine.
Key Features:
User-friendly accessibility for DIY repairs, comprehensive coverage of all service and repair tasks, high-quality instructions with illustrations, and digital flexibility for various devices.
Model Years Covered:
2002, 2003, 2004, 2005, 2006, 2007
Variants Covered:
All models, engines, trim, and transmission types
Page Count:
Comprehensive (exact page count not specified, but indicated as A-Z coverage)
Manual Type:
Complete Workshop Service Repair Manual
Systems:
Engine, transmission, drivetrain, chassis, suspension, steering, brakes, electrical system, fuel system, cooling system, lubrication system, exhaust system, bodywork, and more.
Electrical System:
Battery, charging system, ignition system, lighting, starter motor, fuses, wiring diagrams, troubleshooting electrical faults.
Suspension Steering:
Front and rear suspension components, shock absorbers, steering system, tie rods, wheel alignment specifications.
Braking System:
Front and rear disc brakes, brake caliper service, hydraulic lines, master cylinder, brake bleeding procedures.
Procedures:
All service and repair procedures, maintenance, troubleshooting, diagnostics, component removal and installation, adjustments, and specifications.
Engine Overhaul:
Complete engine disassembly, inspection, repair, and reassembly, including piston, rings, valves, camshaft, and cylinder head service.
Drivetrain Service:
CVT belt inspection and replacement, gear case service, driveshaft maintenance, differential overhaul.
Troubleshooting:
Systematic troubleshooting guides for common starting, running, and electrical issues, with diagnostic flowcharts.
Technical Depth:
Comprehensive A-Z coverage from basic maintenance to in-depth repair and overhaul procedures, including step-by-step instructions and pictures.
Print Quality:
High Quality, suitable for printing individual pages, chapters, or the entire manual.
Binding Type:
Digital Download (no physical binding)
Paper Type:
N/A (Digital Format)
Software Requirements:
Adobe Reader (free download)
Engine Type:
4-stroke, liquid-cooled, OHC, 4-valve
Engine Displacement:
376 cc (23.0 cu. in.)
Bore X Stroke:
81.0 mm x 72.4 mm (3.19 in. x 2.85 in.)
Compression Ratio:
9.2 : 1
Horsepower:
Approximately 23-26 HP (exact rating varies by source and testing)
Torque:
Approximately 21-23 lb-ft (exact rating varies by source and testing)
Fuel Delivery:
Mikuni BSR33 carburetor
Fuel Tank Capacity:
3.6 US gal. (13.5 L)
Oil Type:
SAE 10W-40 API SG or SH
Coolant Type:
Suzuki Genuine 50% Antifreeze/Coolant or equivalent
Transmission Type:
Automatic (CVT) with engine braking
Gear Selection:
High, Low, Neutral, Reverse
Optional Transmission:
N/A (CVT automatic was standard for this model)
Features:
Shaft drive, torque-sensing limited-slip front differential (on 4x4 models).
Transmission Fluid Type:
SAE 80W API GL-5 Gear Oil (refer to manual for specific Suzuki part numbers or equivalent)
Safety Ratings:
ATV safety is primarily dependent on operator adherence to safe riding practices and proper maintenance. Specific crash test ratings as found in passenger vehicles are not applicable.
Active Features:
Selectable 2WD/4WD, engine braking, responsive braking system.
Passive Features:
Full floorboards with heel guards, comfortable seating, sturdy frame construction.
Infotainment Features:
Basic instrumentation including speedometer, odometer, trip meter, neutral indicator, high beam indicator, and oil level warning light. No advanced infotainment systems.
Driver Assistance Features:
Selectable 2WD/4WD system provides enhanced traction control in off-road conditions. Engine braking feature assists with downhill control.
Connectivity Features:
N/A (No integrated connectivity features)
Initial Service:
First service typically at 1000 km or 12 months, focusing on oil change and filter inspection.
Regular Maintenance:
Engine oil and filter changes every 1000 km or 6 months, air filter cleaning/replacement, spark plug inspection, valve clearance checks, and chassis lubrication at specified intervals.
Engine Oil Capacity:
2.1 L (2.2 US qt.) with filter change
Coolant Capacity:
1.5 L (1.6 US qt.)
Brake Fluid Type:
DOT 3 or DOT 4
Known Issues:
While generally reliable, potential areas to check as per the manual include CV joint boots, brake system wear, battery health, and carburetor adjustments. The manual addresses these proactively.
Oil Filter Part Number Example:
16510-07J00 (refer to manual for precise and up-to-date part numbers)
Air Filter Part Number Example:
13780-31F00 (refer to manual for precise and up-to-date part numbers)
Brand Heritage:
Suzuki has a long-standing reputation for producing reliable and capable motorcycles and ATVs, known for their engineering and durability.
Model Evolution:
The Eiger 400 (LT-A400) was introduced as Suzuki's mid-size utility ATV, evolving from earlier models like the Quad Runner series. It featured advancements in engine technology, suspension, and ergonomics, offering a solid platform for various tasks.
Production Period:
2002-2007