Market Position:
        
        
            The Polaris ATV 400 2x4 from the mid-1990s was positioned as a capable and versatile utility and recreational ATV, catering to a broad range of users from trail riding to light work tasks.
        
     
    
    
        
            Competitors:
        
        
            Competed with other manufacturers' mid-size utility ATVs of the era, such as models from Honda, Yamaha, Kawasaki, and Suzuki, often focusing on Polaris's reputation for power and robust build.
        
     
    
    
        
            Key Features:
        
        
            Two-wheel drive configuration, liquid-cooled engine, comfortable suspension for its time, utility-focused design with racks, and a reputation for reliability.
        
     
    
    
        
            Target Audience:
        
        
            Enthusiasts and owners seeking to perform maintenance, repairs, and diagnostics on their 1994-1995 Polaris ATV 400 2x4. Also valuable for mechanics and technical service departments.
        
     
 
    
    
    
        
            Engine Systems:
        
        
            Engine assembly, disassembly, tuning, troubleshooting, lubrication, cooling system, fuel system (carburetor, fuel pump), ignition system, exhaust system.
        
     
    
        
            Transmission Drivetrain Systems:
        
        
            Clutch, gearbox, drive shafts, differential (if applicable), final drive, maintenance, repair, and troubleshooting.
        
     
    
        
            Chassis Suspension Steering:
        
        
            Front and rear suspension components, shock absorbers, springs, control arms, steering system components, steering column, tie rods, alignment procedures.
        
     
    
        
            Braking Systems:
        
        
            Hydraulic brake system, brake calipers, master cylinder, brake lines, brake pads, brake discs, bleeding procedures, maintenance, and repair.
        
     
    
        
            Electrical Systems:
        
        
            Wiring diagrams, charging system (stator, regulator/rectifier), starting system (starter motor, solenoid), lighting system, ignition system, battery, fuses, switches, troubleshooting electrical faults.
        
     
    
        
            Bodywork Frame:
        
        
            Frame inspection and repair, body panel removal and installation, seat, fenders, handle bars, graphics, plastics.
        
     
    
    
        
            Maintenance Procedures:
        
        
            Routine maintenance tasks, oil changes, filter replacements, spark plug checks, air filter cleaning/replacement, lubrication points, battery maintenance.
        
     
    
        
            Diagnostic Procedures:
        
        
            Troubleshooting guides for common problems, diagnostic charts, symptom-based troubleshooting, fault finding for engine, electrical, and mechanical issues.
        
     
    
        
            Repair Procedures:
        
        
            Step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation for all major systems.
        
     
    
        
            Technical Specifications:
        
        
            Detailed specifications for all components, including torque values, clearances, tolerances, fluid capacities, and electrical specifications.
        
     
    
    
        
            Technical Depth:
        
        
            Full factory-level repair and maintenance procedures, suitable for professional mechanics and advanced DIY enthusiasts. Covers everything from basic adjustments to complete engine and transmission rebuilds.
        
     
 
    
    
    
        
            File Format:
        
        
            PDF (Portable Document Format)
        
     
    
    
        
            Print Quality:
        
        
            High resolution, ensuring clarity of text, diagrams, and illustrations when printed.
        
     
    
    
        
            Binding Type:
        
        
            N/A (Digital download - user printable)
        
     
    
    
        
            Paper Type:
        
        
            N/A (Digital download - user printable)
        
     
    
    
        
            Searchable Text:
        
        
            Likely includes searchable text for quick navigation to specific topics or components.
        
     
    
    
        
            Completeness:
        
        
            Complete official factory service repair manual, encompassing all aspects of maintenance and repair.
        
     
 
    
    
    
        
            Engine Type:
        
        
            Four-stroke, Liquid-cooled, Single-cylinder
        
     
    
        
            Displacement:
        
        
            Approximately 375cc to 400cc (exact figure often varied slightly by specific model designation, but 400 denotes the class)
        
     
    
        
            Bore X Stroke:
        
        
            Specifics typically detailed within the manual, crucial for rebuilds.
        
     
    
        
            Compression Ratio:
        
        
            Specifics typically detailed within the manual.
        
     
    
    
        
            Horsepower:
        
        
            Estimates range from 20-25 HP (actual figures vary and are often not explicitly advertised for utility ATVs).
        
     
    
        
            Torque:
        
        
            Torque figures are typically detailed within the manual and critical for understanding low-end pulling power.
        
     
    
    
        
            Fuel Delivery:
        
        
            Carburetor (likely a Mikuni or similar Japanese brand), with specific model number detailed in the manual.
        
     
    
        
            Fuel Type:
        
        
            Unleaded Gasoline (Octane rating as specified in manual)
        
     
    
    
        
            Oil Type:
        
        
            Specific SAE Viscosity grade and API service classification for engine oil provided in the manual (e.g., SAE 10W-40, API SG or higher).
        
     
    
        
            Oil Capacity:
        
        
            Engine oil capacity with filter change specified in the manual (e.g., approx. 1.5-2.0 liters).
        
     
 
    
    
    
        
            Transmission Type:
        
        
            Automatic CVT (Continuously Variable Transmission) with engine braking.
        
     
    
        
            Gear Reduction Stages:
        
        
            Specific gear reduction ratios for forward and reverse, detailed in the manual.
        
     
    
        
            Clutch Type:
        
        
            Centrifugal clutch mechanism within the CVT system.
        
     
    
        
            Transmission Fluid Type:
        
        
            Specific CVT fluid or appropriate gear oil as per Polaris specifications (detailed in manual).
        
     
    
    
        
            Drive Modes:
        
        
            Forward, Neutral, Reverse.
        
     
 
    
    
    
        
            Length:
        
        
            Specific dimensions (e.g., approx. 70-75 inches) would be found in the manual.
        
     
    
        
            Width:
        
        
            Specific dimensions (e.g., approx. 40-45 inches) would be found in the manual.
        
     
    
        
            Height:
        
        
            Specific dimensions (e.g., approx. 45-50 inches) would be found in the manual.
        
     
    
    
        
            Front Rack Capacity:
        
        
            Typically rated for a specified weight (e.g., 50-75 lbs).
        
     
    
        
            Rear Rack Capacity:
        
        
            Typically rated for a specified weight (e.g., 100-150 lbs).
        
     
    
    
        
            Dry Weight:
        
        
            Specific dry weight (e.g., approx. 450-500 lbs) detailed in the manual.
        
     
    
        
            Ground Clearance:
        
        
            Typical ground clearance for utility ATVs of this era (e.g., 8-10 inches) would be specified.
        
     
 
    
    
    
        
            Atv Safety Standards:
        
        
            Adherence to industry safety standards of the time, with specific warnings and operation guidelines detailed in the manual.
        
     
    
    
        
            Braking System Type:
        
        
            Hydraulic disc brakes on front and rear wheels for reliable stopping power.
        
     
    
        
            Engine Braking:
        
        
            Integrated engine braking from the CVT system aids in controlled descents.
        
     
    
    
        
            Handlebar Design:
        
        
            Ergonomically designed handlebars with grip heaters (possibly optional) for control and comfort.
        
     
    
        
            Lighting:
        
        
            Headlights and taillight for visibility in various conditions.
        
     
    
        
            Footwells:
        
        
            Spacious and protected footwells with integrated floorboards for rider safety.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Recommended every 100 hours of operation or annually, whichever comes first. Specific interval detailed in the manual.
        
     
    
        
            Air Filter Cleaning:
        
        
            Recommended every 50 hours or more frequently in dusty conditions. Manual will specify exact procedure and frequency.
        
     
    
        
            Spark Plug Inspection:
        
        
            Recommended every 100 hours or annually. Manual will provide correct gap and type.
        
     
    
        
            Brake System Inspection:
        
        
            Regular inspection of brake pads, fluid level, and lines at recommended intervals (detailed in manual).
        
     
    
        
            Suspension Lubrication:
        
        
            Grease points on suspension and steering components should be serviced regularly as per manual recommendations.
        
     
    
    
        
            Engine Oil Spec:
        
        
            SAE 10W-40 API SG or higher recommended. Refer to manual for precise specifications and capacity.
        
     
    
        
            Brake Fluid Spec:
        
        
            DOT 3 or DOT 4 Hydraulic Brake Fluid. Manual will specify correct type and bleeding procedure.
        
     
    
        
            Coolant Spec:
        
        
            Ethylene glycol-based antifreeze with corrosion inhibitors. Manual will specify mixture ratio and capacity.
        
     
    
    
        
            Carburetor Tuning:
        
        
            Carburetors on older ATVs can sometimes require periodic cleaning and adjustment due to fuel deposits.
        
     
    
        
            Cvt Belt Wear:
        
        
            CVT drive belts can wear over time and require replacement to maintain performance. Manual will specify belt part number and replacement procedure.
        
     
    
        
            Electrical Connections:
        
        
            Corrosion or loosening of electrical connectors can cause intermittent issues. Manual's wiring diagrams are crucial for troubleshooting.
        
     
 
    
    
    
        
            Polarishistory:
        
        
            Polaris has a long-standing history in powersports, originating in the mid-20th century and growing to become a major manufacturer of ATVs, snowmobiles, and motorcycles.
        
     
    
    
        
            Atv Evolution:
        
        
            The ATV 400 2x4 represents a period of significant development in Polaris's ATV lineup, building on earlier models and introducing refinements in performance, comfort, and durability.
        
     
    
    
        
            Manufacturing Era:
        
        
            Mid-1990s (1994-1995 model years).
        
     
    
        
            Production Location:
        
        
            Typically manufactured in the United States by Polaris Industries.