Target Audience:
Utility and recreational ATV riders, farmers, ranchers, hunters, and property owners needing a dependable mid-size work quad
Key Advantage:
Reliable 376cc liquid-cooled engine paired with a fully automatic transmission, backed by Suzuki's reputation for durable engineering in the powersports industry
Engine:
376cc liquid-cooled single-cylinder four-stroke
Usage:
Utility and recreational purposes
Systems Covered:
Engine, automatic transmission, driveline, suspension, braking, and electrical systems
Scope:
All models including automatic transmission variants
Manual Type:
Complete workshop repair manual
Delivery Method:
Instant download
Procedures:
Routine maintenance, component disassembly and reassembly, troubleshooting
Reference Data:
Technical specifications, torque values, and detailed wiring diagrams
Detail Level:
Manufacturer-level detail
Engine:
Full coverage: removal, installation, cylinder head, pistons, lubrication and cooling
Fuel System:
Carburetor service, fuel tank, and throttle procedures
Automatic Transmission:
Complete CVT clutch, belt, and transmission service and repair
Driveline:
Front and rear drive shafts, differentials, and final drive
Suspension:
Front and rear suspension, shocks, and A-arm service
Steering:
Steering system inspection and repair procedures
Brakes:
Front and rear brake service, pad and shoe replacement, and hydraulic system bleeding
Wheels and Tires:
Wheel removal, installation, and tire service
Electrical System:
Starting, charging, ignition, lighting, switches, and gauges
Chassis and Frame:
Frame, body panels, fenders, and rack removal and installation
Routine Maintenance:
Scheduled service procedures and lubrication points
Troubleshooting:
Symptom-based diagnostics for engine, drive, and electrical faults
Disassembly and Reassembly:
Step-by-step component teardown and rebuild instructions
Inspection:
Wear limits and component inspection criteria
Tightening:
Torque values for fasteners throughout the machine
Wiring Diagrams:
Detailed wiring diagrams for the electrical system
Specifications:
Complete technical specifications tables
Level of Detail:
Manufacturer-level detail for professional mechanics and DIY owners
Audience:
DIY enthusiasts and professional technicians
Torque Specs:
Fastener torque values provided throughout
Fluid Specs:
Lubricants and fluid capacities specified
Parts Lists:
N/A - this is a service/repair manual, not an illustrated parts catalog
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Type:
Single-cylinder four-stroke
Engine Options Range:
Single engine option; manual and automatic transmission variants available (this manual covers the automatic LT-A400)
Rated Output:
N/A - not specified in the source material
Torque:
N/A - not specified in the source material
Fuel Delivery:
Carbureted
Fuel Type:
Regular unleaded gasoline
Standard Transmission:
Automatic transmission (CVT)
Optional Transmission:
Five-speed manual transmission available on other Eiger 400 variants (not covered by this LT-A400 automatic edition)
Drive:
2WD/4WD with shaft drive ( LT-A400F 4x4 variants)
Operation:
Fully automatic belt-driven CVT with high/low range selector
Wheelbase:
N/A - not specified in the source material
Overall Length:
N/A - not specified in the source material
Ground Clearance:
N/A - not specified in the source material
Curb Weight:
N/A - not specified in the source material
Towing / Rack Capacity:
N/A - not specified in the source material
Full Dimensions:
Complete dimensional and weight tables are included in the manual's specifications chapter
Crash Test Information:
N/A - ATVs are not subjected to crash testing by NHTSA or IIHS
Safety Guidance:
Riding and operation safety precautions covered in the manual
Brakes:
Hydraulic disc brakes (front) and sealed drum/disc (rear) depending on variant
Parking:
Locking parking brake mechanism
Lighting:
Halogen headlight and taillight
Foot Protection:
Full-length floorboards and footpegs
Guards:
Front bumper and skid protection
Audio System:
N/A - the Eiger 400 is a work/recreation ATV with no factory audio system
Instrumentation:
Analog speedometer with indicator and warning lamps
Driver Assistance Systems:
N/A - not applicable to this model era
Drivetrain Technology:
Selectable 2WD/4WD on 4x4 variants
Scheduled Maintenance:
Full periodic maintenance chart with intervals for every service item, detailed in the manual
Break-in Service:
Initial break-in inspection and service procedures included
Engine Oil:
Suzuki-specified four-stroke motorcycle oil; capacity and grade listed in the manual
Final Drive / Differential Oil:
Specified gear oil with fill quantities provided
Coolant:
Long-life coolant specification and capacity for the liquid-cooled engine
Brake Fluid:
DOT-specified brake fluid for hydraulic circuits
Known Issues / Common Wear Items
CVT Drive Belt:
Periodic inspection and replacement of the automatic transmission drive belt
CVT Components:
Clutch shoe and sheave wear on high-hour machines
Brakes:
Brake pad and shoe wear under utility loads
Filters:
Air filter and oil filter replacement at scheduled intervals
Manufacturer:
Suzuki, a Japanese manufacturer with a long-standing reputation for durable engineering and dependable performance in the powersports industry
Introduction:
The Eiger 400 entered production in 2002 as Suzuki's mid-size utility ATV
Production Run:
Built from 2002 through 2007, offered with manual and automatic transmissions and 2WD/4WD configurations
Model Code:
LT-A400 (automatic transmission)
Assembly Plant:
N/A - not specified in the source material
