Market Position:
The Arctic Cat DVX400 (often a rebadged Suzuki LT-Z400) was positioned as a sporty, performance-oriented ATV for recreational use and light trail riding. It competed in a segment with popular models like the Yamaha Blaster and Kawasaki KFX400.
Competitive Analysis:
Known for its agile handling and reliable engine, it offered a good balance of power and control for its class. The shared platform with Suzuki provided a solid foundation of engineering.
Key Features:
User-friendly operation, robust engine for its size, capable suspension, and a straightforward mechanical design.
Model Lineage:
Directly related to the Suzuki LT-Z400 Quadsport.
Systems Covered:
Engine Mechanical, Fuel System, Carburetion, Ignition System, Electrical System, Drivetrain, Suspension, Steering, Brakes, Chassis, Body, Maintenance Procedures, Troubleshooting, Diagnostics, Lubrication, Cooling System, Exhaust System, Clutch, Transmission, Drive Shafts, Wheel Bearings, ATV Specific Components.
Electrical System Coverage:
Includes wiring diagrams, starter system, lighting, ignition system components, and sensor testing.
Procedures Included:
Routine Maintenance (oil changes, filter replacements, fluid checks), Engine Overhaul (top-end, bottom-end, complete teardown), Carburetor Tuning and Rebuild, Ignition System Diagnosis and Repair, Electrical System Troubleshooting (wiring diagrams, component testing), Clutch Adjustment and Replacement, Transmission Service, Brake System Service and Repair, Suspension Component Service and Replacement, Steering System Maintenance, Bearing Replacement, Drive Shaft Service, Chassis Inspection and Repair, Bodywork and Trim Removal/Installation, Diagnostic Procedures, Torque Specifications, Special Tool Usage.
Troubleshooting Procedures:
Step-by-step diagnostic guides for common issues, electrical troubleshooting flowcharts, and symptom-based repair guidance.
Technical Depth:
Comprehensive, covering everything from basic maintenance and adjustments to complete engine and transmission rebuilds, electrical system diagnostics, and chassis repairs. Designed for both home mechanics and professional technicians.
Rebuild Procedures:
Detailed instructions for complete engine and transmission rebuilds, including component clearances, assembly sequences, and torque specifications.
Primary Engine:
398cc, 4-stroke, Liquid-Cooled, Single-Cylinder, DOHC
Horsepower:
Approximately 49 hp @ 9000 rpm (varies slightly by tuning and emissions)
Torque:
Approximately 28 lb-ft @ 7000 rpm
Fuel System:
Carburetor (Mikuni BSR36)
Cooling System:
Liquid-Cooled
Bore X Stroke:
86.0 mm x 67.4 mm
Compression Ratio:
11.2:1
Engine Code:
Often designated by its displacement and configuration (e.g., 398cc SOHC Single). The specific internal Suzuki engine code is 'G351'.
Valve Train:
DOHC (Double Overhead Camshaft), 4 Valves per Cylinder
Ratings:
ATV safety standards apply. Not rated by NHTSA or IIHS as it is an off-road vehicle.
Active Features:
Disc Brakes (Front and Rear), Throttle Limiter (often adjustable).
Passive Features:
Full Floorboards with Heel Guards, Hand Grips, Thumb Throttle.
Recommended Oil Change:
Every 100 hours or annually, whichever comes first. Check manual for specific interval details.
Recommended Air Filter Cleaning:
Clean every 20-30 operating hours, replace as needed.
Recommended Spark Plug Replacement:
Inspect at regular intervals, replace based on condition or every 1-2 years.
Chain Maintenance:
Lubricate and adjust chain tension every 10-20 hours of operation.
Engine Oil Type:
SAE 10W-40 API SG or higher (refer to manual for exact specifications and capacity).
Coolant Type:
Ethylene Glycol based antifreeze (50/50 mixture with distilled water). Capacity: 1.7 L (1.8 qt).
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for exact specification and reservoir location).
Final Drive Gear Oil:
SAE 80W-90 GL-5 gear oil (refer to manual for capacity).
Known Issues:
Occasional carburetor jetting issues, potential for worn clutch components with hard use, chain tensioner wear, water pump seal leaks (common on many liquid-cooled engines).
Tune Up Components:
Spark Plug (NGK CR9E or equivalent), Air Filter, Engine Oil, Oil Filter (if applicable, though often uses screen), Gear Oil (for final drive/transmission).
Brand Heritage:
Arctic Cat has a long history in powersports, known for its snowmobiles and later expanding into ATVs and UTVs. They often partnered with other manufacturers for shared platforms.
Brand Origin:
Arctic Cat is an American manufacturer, founded in 1960.
Model Evolution:
The DVX400 is essentially a rebadged version of the highly successful Suzuki LT-Z400 Quadsport. This platform was in production for many years with minor updates. Arctic Cat offered it to leverage the existing design and manufacturing expertise.
Production Years:
The DVX400 model was produced by Arctic Cat for several years, with the 2008 model being a representative example of this generation. The platform itself originated from Suzuki.
