Basic Information Identification Make: Polaris Model: ATV 400 2x4 Model Variant: Sportsman 400 Model Designation: AWD/2WD Capable (2x4 Drive Selected) Codes Vin Decoder Information: Manual likely contains information for VIN decoding relevant to the model years covered. Introduction Market Position Segment: Mid-size utility ATV Target Audience: Recreational riders, utility users, and farm/ranch operators. Competitive Analysis Key Competitors Era: Yamaha Kodiak/Warrior, Honda FourTrax, Kawasaki Bayou, Suzuki QuadRunner. Key Features Traction System: 2x4 drivetrain emphasizing agility and lighter weight, with potential for AWD engagement depending on specific model variant within the 400 2x4 designation. Transmission Type: Automatic (CVT) for ease of operation. Suspension Design: Independent front suspension (IFS) and a swingarm rear suspension for a balance of comfort and capability. Cargo Capacity: Front and rear rack system for carrying gear and supplies. Manual Details Coverage Areas Manual Type: Service Repair Workshop Manual Applicable Years: 1994, 1995 Primary Market: North America Page Count Estimated Page Count: 300+ Language Language: English Format Digital Format: PDF Download Manual Coverage Systems Covered Engine Mechanical: Comprehensive coverage of engine disassembly, inspection, repair, and reassembly, including top-end (cylinder head, valves) and bottom-end (crankshaft, connecting rods, pistons). Fuel System: Carburetor service, fuel pump operation, fuel tank and line inspection, and fuel filter replacement. Ignition System: Ignition coil testing, spark plug specifications, CDI unit testing, and timing procedures. Cooling System: Radiator, fan, thermostat, and coolant hose inspection and replacement; coolant capacity and type. Transmission And Drivetrain: CVT (Continuously Variable Transmission) operation, belt inspection and replacement, roller weights, clutch assembly service, and drive axle inspection. Suspension And Steering: Front and rear suspension component inspection, repair, and adjustment; steering linkage, tie rods, and wheel alignment procedures. Brakes: Brake caliper, master cylinder, brake lines, and brake pad service; brake fluid specifications and bleeding procedures. Electrical System: Wiring diagrams, starter motor, alternator/stator operation, battery testing and maintenance, lighting system service, and fuse/relay identification. Chassis And Frame: Frame inspection for damage, mounting hardware torque specifications, and accessory installation guidance. Bodywork And Plastics: Removal and installation of body panels, fenders, and racks. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug checks, air filter cleaning/replacement, lubrication points, and general inspection schedules. Troubleshooting: Systematic diagnostic procedures for common and uncommon issues, symptom-based troubleshooting guides. Repair Procedures: Step-by-step instructions for component repair and replacement across all major systems. Disassembly Reassembly: Detailed instructions for taking apart and putting back together major vehicle components. Performance Tuning: Carburetor adjustment, CVT tuning considerations, and engine performance optimization tips. Technical Depth Diagnostic Capabilities: Advanced diagnostic information, including component testing specifications and common failure modes. Rebuild Instructions: Complete engine and transmission rebuild instructions, including clearance specifications and machining requirements. Wiring Diagrams: Detailed, color-coded wiring diagrams for all electrical systems, aiding in troubleshooting and repair. Torque Specifications: Comprehensive list of all critical torque specifications for fasteners throughout the vehicle. Schematics: Hydraulic and pneumatic schematics where applicable (e.g., for specific systems). Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable PDF for efficient information retrieval. Print Quality Resolution: High-resolution scans for clear diagrams and text. Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Engine Specifications Primary Engine Engine Type: 4-stroke Engine Configuration: Single-cylinder Displacement: 377 cc (approximate) Bore X Stroke: Refer to manual for precise specifications. Cooling System: Liquid-cooled Valve Train: SOHC (Single Overhead Camshaft) with 2 valves per cylinder. Ignition System: CDI (Capacitor Discharge Ignition) Performance Horsepower: Estimated 20-25 HP (Refer to manual for exact figures). Torque: Refer to manual for exact figures. Fuel System Carburetor Type: Mikuni (likely a VM series or similar single barrel). Fuel Type: Unleaded gasoline, 87 octane (minimum). Fuel Tank Capacity: Approximately 3.7 US gallons (14 liters). Transmission Standard Transmission Type: Automatic (CVT - Continuously Variable Transmission) Drive System: 2x4 (Rear Wheel Drive), with some models potentially having selectable 4x4 or on-demand AWD engagement. Gear Reduction Ratio: Refer to manual for specific gear ratios within the CVT and final drive. Features Clutch Type: Centrifugal clutch with variator system. Transmission Fluid Type: Refer to manual, typically a specific CVT fluid or SAE 10W-40 motor oil. Final Drive: Shaft drive to rear axle. Dimensions Exterior Overall Length: Approximately 76 inches (193 cm). Overall Width: Approximately 44 inches (112 cm). Overall Height: Approximately 42 inches (107 cm). Wheelbase: Approximately 48 inches (122 cm). Ground Clearance: Approximately 6-8 inches (15-20 cm). Cargo Front Rack Capacity: Approximately 25 lbs (11 kg). Rear Rack Capacity: Approximately 50 lbs (23 kg). Weights Dry Weight: Approximately 475 lbs (215 kg). Towing Capacity: Refer to manual for specific towing capacity, generally limited for ATVs of this era. Safety Features Ratings Atv Safety Standards: Manufactured to meet applicable industry safety standards for ATVs of the period (e.g., ANSI standards). Active Features Braking System: Hydraulic disc brakes front and rear (or drum rear on some early models, confirm with manual). Parking Brake: Hand-operated or...