Target User:
        
        
            Recreational riders, farmers, hunters, and light utility work.
        
     
    
    
        
            Competitors:
        
        
            Honda FourTrax, Yamaha Kodiak, Kawasaki Bayou/Prairie, Suzuki King Quad during the specified model years.
        
     
    
    
        
            Powertrain:
        
        
            Robust single-cylinder engines, reliable automatic CVT transmissions, selectable 2WD/AWD.
        
     
    
        
            Design:
        
        
            Comfortable rider ergonomics, independent front suspension, MacPherson strut front suspension, swingarm rear suspension.
        
     
    
    
        
            Value:
        
        
            Provides essential, accurate, and detailed information crucial for maintaining and repairing these durable ATVs, saving significant costs compared to dealership service.
        
     
 
    
    
    
        
            Engine:
        
        
            Engine overhaul, disassembly, assembly, tuning, lubrication, cooling system, fuel system (carburetor tuning, fuel pump), exhaust system.
        
     
    
        
            Transmission:
        
        
            CVT (Continuously Variable Transmission) system, clutch removal/installation, belt inspection/replacement, gearcase service, fluid changes.
        
     
    
        
            Drivetrain:
        
        
            Front and rear drive systems, differential service, driveshafts, U-joints, axle repair, AWD system troubleshooting.
        
     
    
        
            Suspension Steering:
        
        
            Front and rear suspension components, shock absorber service, ball joints, bushings, steering linkage, tie rod ends, wheel bearings.
        
     
    
        
            Brakes:
        
        
            Hydraulic brake system, caliper service, brake pad replacement, master cylinder, brake lines, bleeding procedures, parking brake.
        
     
    
        
            Electrical:
        
        
            Wiring diagrams, ignition system, starting system, charging system (stator, regulator/rectifier), battery maintenance, lighting, switches, fuses, troubleshooting electrical faults.
        
     
    
        
            Fuel System:
        
        
            Fuel tank, fuel lines, fuel pump, carburetor (Mikuni VM series typically), fuel filter, troubleshooting fuel delivery issues.
        
     
    
        
            Cooling System:
        
        
            Radiator, cooling fan, hoses, thermostat, coolant specifications and flushing procedures.
        
     
    
        
            Body Frame:
        
        
            Body panels, fenders, racks, seat removal, frame inspection, plastics repair.
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, oil changes, filter replacements, lubrication points, valve adjustments, spark plug replacement, battery care.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common and uncommon issues, symptom-based troubleshooting guides, fault codes (if applicable).
        
     
    
        
            Repair Rebuild:
        
        
            Step-by-step instructions for component disassembly, repair, and reassembly of all major systems.
        
     
    
        
            Inspection:
        
        
            Pre-ride inspections, detailed component inspection guidelines for wear and damage.
        
     
    
        
            Tune Up:
        
        
            Carburetor adjustment, ignition timing checks, idle speed settings.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering everything from basic preventative maintenance and fluid checks to complete engine rebuilds, transmission overhauls, and complex electrical system diagnostics.
        
     
    
        
            Target Audience:
        
        
            Professional technicians, experienced DIY mechanics, and owners who want detailed, accurate repair information.
        
     
 
    
    
    
        
            Sportsman 400 Engine:
        
        
            400cc, 4-stroke, liquid-cooled, SOHC, single-cylinder engine (specific bore/stroke varies by exact sub-model within the 400 range).
        
     
    
        
            Sportsman 500 Engine:
        
        
            499cc, 4-stroke, liquid-cooled, SOHC, single-cylinder engine (e.g., 92mm bore x 75mm stroke).
        
     
    
        
            Xplorer 500 Engine:
        
        
            499cc, 4-stroke, liquid-cooled, SOHC, single-cylinder engine (similar to Sportsman 500).
        
     
    
    
        
            Horsepower Range:
        
        
            Approximately 25-32 HP depending on engine size and year.
        
     
    
        
            Torque Specifications:
        
        
            Torque curves and specific values for each engine variant will be detailed in the manual.
        
     
    
    
        
            Carburetor Type:
        
        
            Typically Mikuni VM30SS or similar single-barrel carburetor for most models, with specific jetting and adjustment procedures detailed.
        
     
    
        
            Fuel Requirement:
        
        
            Unleaded gasoline, 87 octane (minimum recommended).
        
     
    
    
        
            Oil Type:
        
        
            SAE 10W-40 API SG or higher, specifically formulated for wet clutches (e.g., JASO MA).
        
     
    
        
            Oil Capacity:
        
        
            Approximately 2.0-2.5 liters (including filter) depending on the specific model and engine.
        
     
    
    
        
            Coolant Type:
        
        
            Ethylene glycol-based antifreeze, mixed 50/50 with distilled water.
        
     
    
        
            Coolant Capacity:
        
        
            Approximately 1.5-2.0 liters.
        
     
 
    
    
    
        
            Type:
        
        
            Automatic, belt-driven Continuously Variable Transmission (CVT) with High/Low range and Reverse.
        
     
    
    
        
            Gear Ratios:
        
        
            Specific gear ratios for High, Low, and Reverse ranges detailed in the manual.
        
     
    
    
        
            Clutch System:
        
        
            Primary drive clutch (inboard) and secondary driven clutch (outboard) with detailed inspection and service procedures.
        
     
    
        
            Gearcase Oil Type:
        
        
            SAE 80W-90 GL-4 gear oil.
        
     
    
        
            Gearcase Oil Capacity:
        
        
            Approximately 0.25-0.35 liters for the rear gearcase.
        
     
 
    
    
    
        
            Length Approx:
        
        
            Typically around 80-85 inches (2032-2159 mm).
        
     
    
        
            Width Approx:
        
        
            Typically around 46-48 inches (1168-1219 mm).
        
     
    
        
            Height Approx:
        
        
            Typically around 46-48 inches (1168-1219 mm).
        
     
    
    
        
            Dry Weight Approx:
        
        
            Approximately 550-650 lbs (250-295 kg).
        
     
    
        
            Payload Capacity:
        
        
            Front rack: ~100 lbs (45 kg), Rear rack: ~200 lbs (90 kg).
        
     
    
        
            Towing Capacity:
        
        
            Typically 1,500 lbs (680 kg).
        
     
    
    
        
            Front Tire Size Std:
        
        
            25x8-12 or 25x8x12.
        
     
    
        
            Rear Tire Size Std:
        
        
            25x10-12 or 25x10x12.
        
     
    
    
        
            Wheel Bolt Pattern:
        
        
            4x110mm (common for this era).
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Every 100 hours or annually, whichever comes first. Check manual for specific conditions.
        
     
    
        
            Air Filter Cleaning:
        
        
            Check every 25 hours, clean or replace as needed, especially in dusty conditions. Manual provides cleaning procedures.
        
     
    
        
            Spark Plug Replacement:
        
        
            Recommended every 100 hours or annually. Manual will specify gap and type (e.g., NGK CR7HSA or similar).
        
     
    
        
            Cv Belt Inspection:
        
        
            Inspect every 50 hours for wear, cracks, and proper tension. Replace as needed.
        
     
    
        
            Valve Adjustment:
        
        
            Check clearance every 100 hours or annually. Manual provides specific clearances and adjustment procedures.
        
     
    
    
        
            Engine Oil Spec:
        
        
            SAE 10W-40 API SG or higher, JASO MA compliant.
        
     
    
        
            Gearcase Oil Spec:
        
        
            SAE 80W-90 GL-4.
        
     
    
        
            Brake Fluid Spec:
        
        
            DOT 3 or DOT 4 hydraulic brake fluid.
        
     
    
        
            Coolant Spec:
        
        
            50/50 mix of ethylene glycol antifreeze and distilled water.
        
     
    
    
        
            Common Wear Items:
        
        
            CVT belts, ball joints, tie rod ends, wheel bearings, brake pads, spark plugs, starter solenoid.
        
     
    
        
            Potential Electrical:
        
        
            Voltage regulator/rectifier failure, stator issues, starter motor contactor problems can occur with age.
        
     
    
        
            Carburetor Issues:
        
        
            Clogged jets, float bowl issues, and diaphragm wear are common if fuel is left stagnant or contaminated.
        
     
    
        
            Suspension Wear:
        
        
            Bushings in A-arms and control arms can wear out, leading to play and steering issues.
        
     
 
    
    
    
        
            Polarissportsman Line:
        
        
            The Polaris Sportsman line is renowned for its utility and comfort, established as a leading ATV platform in the 1990s.
        
     
    
    
        
            Evolution Sportsman 500:
        
        
            The Sportsman 500, introduced in 1996, quickly became a benchmark for the industry, offering a balance of power, comfort, and capability, evolving through various iterations including EFI and independent rear suspension (IRS) in later models.
        
     
    
        
            Evolution Sportsman 400:
        
        
            The Sportsman 400 served as a more budget-friendly option, offering a capable package for riders who didn't need the full power of the 500, often featuring a MacPherson strut front suspension.
        
     
    
        
            Evolution Xplorer 500:
        
        
            The Xplorer line was positioned more towards sport-touring and utility, sharing many components with the Sportsman series.
        
     
    
    
        
            Manufacturing Location:
        
        
            Primarily manufactured by Polaris Industries in Roseau, Minnesota, USA.
        
     
    
        
            Key Innovations Era:
        
        
            This period saw Polaris solidify its market leadership with reliable powertrains and user-friendly designs.