Category:
        
        
            All-Terrain Vehicle (ATV)
        
     
    
        
            Target Audience:
        
        
            Recreational riders, utility users, mechanics
        
     
    
    
        
            Competitors 1997:
        
        
            Honda FourTrax, Yamaha Kodiak, Kawasaki Bayou
        
     
    
    
        
            Vehicle Strengths:
        
        
            Reliability, capable AWD system, comfortable ride for its era
        
     
    
        
            Manual Value Proposition:
        
        
            Essential resource for maintaining and repairing the 1997 Sportsman 400, saving time and money on repairs.
        
     
 
    
    
    
        
            Primary Coverage:
        
        
            Complete service, repair, and maintenance
        
     
    
        
            Secondary Coverage:
        
        
            Troubleshooting, diagnostics, adjustments, overhauls
        
     
    
    
    
    
        
            Type:
        
        
            Factory Service Repair Manual
        
     
    
    
    
    
 
    
    
    
        
            Engine:
        
        
            Complete engine disassembly, assembly, and overhaul (carburetor, ignition, cooling, lubrication)
        
     
    
        
            Transmission:
        
        
            Automatic transmission (PVT - Polaris Variable Transmission) service, clutch inspection, belt replacement
        
     
    
        
            Drivetrain:
        
        
            All-wheel drive (AWD) system, front and rear differential service, driveshaft maintenance
        
     
    
        
            Suspension:
        
        
            Front and rear suspension system, shock absorber service, control arm and bushing replacement
        
     
    
        
            Brakes:
        
        
            Hydraulic brake system, caliper service, brake pad replacement, bleeding procedures
        
     
    
        
            Steering:
        
        
            Steering column, tie rod ends, steering mechanism inspection and repair
        
     
    
        
            Electrical:
        
        
            Wiring diagrams, battery maintenance, charging system (stator, regulator/rectifier), lighting, starter system, ignition system diagnostics
        
     
    
        
            Fuel System:
        
        
            Fuel tank, fuel lines, fuel pump, carburetor service and adjustment
        
     
    
        
            Cooling System:
        
        
            Radiator service, coolant replacement, fan operation
        
     
    
        
            Bodywork:
        
        
            Body panel removal and installation, fender and rack components
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, oil changes, filter replacements, lubrication points
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic charts for common problems, symptom-based troubleshooting guides
        
     
    
        
            Repair:
        
        
            Detailed step-by-step repair instructions for all major components
        
     
    
        
            Disassembly Assembly:
        
        
            Comprehensive instructions for complete teardown and reassembly of vehicle systems
        
     
    
        
            Adjustments:
        
        
            Carburetor adjustments, valve clearance adjustments (if applicable), brake adjustments
        
     
    
    
        
            Depth:
        
        
            Full mechanical and electrical system coverage, suitable for professional mechanics and advanced DIYers
        
     
 
    
    
    
        
            Engine Type:
        
        
            4-stroke, single-cylinder
        
     
    
        
            Displacement:
        
        
            376cc (23.0 cu. in.)
        
     
    
        
            Bore X Stroke:
        
        
            80 mm x 74 mm (3.15 in x 2.91 in)
        
     
    
        
            Cooling System:
        
        
            Liquid-cooled
        
     
    
        
            Ignition System:
        
        
            CDI (Capacitor Discharge Ignition)
        
     
    
        
            Starting System:
        
        
            Electric start with manual recoil backup
        
     
    
    
        
            Horsepower:
        
        
            Approx. 25-30 HP (estimated, actual varies)
        
     
    
        
            Torque:
        
        
            N/A (specific figures not readily available for this model year)
        
     
    
    
        
            Carburetor:
        
        
            Mikuni VM34SS (or similar) single barrel carburetor
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline, 87 octane minimum
        
     
    
        
            Fuel Capacity:
        
        
            3.2 US gallons (12.1 L)
        
     
 
    
    
    
        
            Type:
        
        
            Polaris Automatic Variable Transmission (PVT) with automatic engine braking
        
     
    
        
            Drive Modes:
        
        
            2WD / 4WD selectable
        
     
    
    
        
            Clutch Type:
        
        
            CVT (Continuously Variable Transmission) with belt drive
        
     
    
        
            Transmission Fluid Spec:
        
        
            Polaris LUBRICANT, Transmission - 2870444 (or equivalent API GL-4, SAE 75W-90 gear oil)
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Every 100 hours or annually (whichever comes first)
        
     
    
        
            Air Filter Cleaning Or Replacement:
        
        
            Every 50 hours or as needed based on conditions
        
     
    
        
            Spark Plug Check And Gap:
        
        
            Every 100 hours
        
     
    
        
            Transmission Fluid Change:
        
        
            Every 200 hours or annually
        
     
    
        
            Belt Inspection:
        
        
            Every 100 hours or annually
        
     
    
    
        
            Engine Oil Type:
        
        
            Polaris Premium 4 Synthetic 0W-40 (or equivalent JASO MA approved 4-stroke motorcycle oil)
        
     
    
        
            Engine Oil Capacity:
        
        
            2.1 US quarts (2.0 L) with filter change
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol-based antifreeze, 50/50 mix with distilled water
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 hydraulic brake fluid
        
     
    
    
        
            Common Wear Items:
        
        
            CVT belt wear, wheel bearing longevity, carburetor jetting sensitivity to altitude/fuel quality.
        
     
    
        
            Electrical Gremlins:
        
        
            Fraying wiring harnesses in high-flex areas, occasional issues with rectifier/stator.
        
     
 
    
    
    
        
            Company Origin:
        
        
            Polaris Industries Inc. founded in 1954, Roseau, Minnesota.
        
     
    
    
        
            Sportsman Line Introduction:
        
        
            The Sportsman line was introduced in 1993, becoming a cornerstone of Polaris' ATV offerings.
        
     
    
        
            1997 Model Year Significance:
        
        
            The 1997 Sportsman 400 was a popular mid-size utility ATV, known for its independent rear suspension and AWD capabilities.
        
     
    
    
        
            Manufacturing Location:
        
        
            Primarily USA