Segment:
Maxi-scooter / Urban Commuter
Target Audience:
Owners seeking in-depth maintenance and repair knowledge, independent mechanics
Competitors 2003-2006:
Yamaha TMAX, Honda Silver Wing, Gilera Nexus
Comfort:
Spacious seating, good wind protection, ample storage
Practicality:
Automatic transmission, large underseat storage, fuel efficiency
Completeness:
Original factory service manual covering all repair and maintenance procedures
Engine:
Complete overhaul, troubleshooting, tuning, component testing
Fuel System:
Fuel injection system, fuel pump, injectors, throttle body, EVAP system
Transmission Drivetrain:
CVT (Continuously Variable Transmission) operation, maintenance, overhaul, final drive
Chassis Frame:
Frame inspection, front fork, rear suspension, bearings
Braking System:
Brake caliper service, brake disc replacement, hydraulic system maintenance, parking brake
Electrical System:
Wiring diagrams, starter system, charging system, ignition system, lighting, instrumentation
Cooling System:
Radiator, coolant, fan, water pump maintenance and inspection
Exhaust System:
Muffler, catalytic converter, exhaust pipe inspection and replacement
Bodywork Panels:
Panel removal and installation, fairing components, seat, storage compartment
Wheels Tires:
Tire inspection and replacement, wheel bearing service
Controls:
Handlebar controls, throttle, brakes, levers
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug service, fluid checks
Troubleshooting:
Diagnostic procedures for common and uncommon issues, fault code interpretation (if applicable)
Repair:
Step-by-step instructions for disassembly and reassembly of all major components and systems
Diagnostics:
Engine performance diagnostics, electrical system troubleshooting
Rebuilds:
Engine, transmission, and suspension component rebuild procedures
Installation:
Instructions for installing optional accessories or replacement parts
Depth:
Comprehensive factory-level service and repair information
Visuals:
Hundreds of photos and detailed diagrams illustrating disassembly and reassembly processes
Electrical Schematics:
Included, essential for electrical troubleshooting and repair
Type:
4-stroke, Liquid-cooled, SOHC, 4-valve
Displacement:
375cc (exact for AN400)
Bore X Stroke:
83.0 mm x 69.5 mm (typical for this generation)
Compression Ratio:
10.5:1 (typical)
Power Output Hp:
Approx. 26-28 HP at 6,500 rpm (varies slightly by year/market)
Torque Nm:
Approx. 31-33 Nm at 5,000 rpm (varies slightly by year/market)
Top Speed:
Approx. 130-140 km/h (varies by conditions)
Induction:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
14 Liters (approx.)
Oil Type Spec:
API SG or higher, SAE 10W-40 (refer to manual for exact Suzuki specification)
Oil Capacity With Filter:
Approx. 1.9 Liters (refer to manual for exact)
Type:
Electronic ignition (CDI)
Spark Plug Type:
NGK CR8E / DENSO U24ESR-N (verify in manual)
Crash Test Ratings:
Not typically rated by automotive safety organizations (motorcycle/scooter standards differ)
Braking Type:
Front disc, Rear disc
ABS Availability:
Optional on some models/markets, not standard across all 2003-2006 versions (manual will specify if applicable)
Lighting:
Halogen headlights, LED taillight (typical for the era)
Mirrors:
Large, adjustable mirrors for visibility
Dashboard:
Analog speedometer, digital odometer, trip meter, fuel gauge, coolant temperature gauge, clock, indicator lights
Assistance Features:
ABS (Optional), Combined Braking System (on some models)
Connectivity Features:
N/A (standard for this era of scooter)
Oil Change:
Every 4,000 km or 6 months (typical, refer to manual for exact)
Air Filter Cleaning Replacement:
Every 8,000 km (typical, refer to manual)
Spark Plug Replacement:
Every 12,000 km or 12 months (typical, refer to manual)
Cvt Belt Inspection Replacement:
Inspect every 8,000 km, replace as needed (often recommended around 20,000-24,000 km)
Coolant Replacement:
Every 2 years or as specified (refer to manual)
Engine Oil:
SAE 10W-40, API SG or higher (e.g., Suzuki Ecstar R9000 10W-40)
Cooling Fluid:
Permanent type coolant (50% ethylene glycol and 50% demineralized water) - refer to manual for specific Suzuki type
Brake Fluid:
DOT 4 (refer to manual for specific Suzuki specification)
Cvt Fluid:
Suzuki CVT Fluid NS-1 or equivalent (crucial to use correct fluid)
Common Wear Items:
CVT belt, variator rollers, brake pads, tires
Potential Failures:
Some reports of charging system issues (stator/regulator) on higher mileage units; rear suspension bushing wear (typical for scooter design).
Manufacturer:
Suzuki Motor Corporation, Japan
Established Automotive:
1909
Burgman Lineage:
The Burgman series began in 1998 with the AN250. The 400cc model (AN400) was introduced later, becoming a popular choice for larger-capacity, comfortable commuting.
2003-2006 Updates:
This generation (AN400K3-K6) represented a significant evolution, often featuring updated styling, improved ergonomics, and minor engine refinements compared to earlier models.
Manufacturing Location:
Likely Japan or Thailand (common Suzuki production sites for this model)
