Atv Segment:
        
        
            Utility/Recreational ATV
        
     
    
        
            Target User:
        
        
            Owners, hobbyists, and professional mechanics
        
     
    
    
        
            Competitors Era:
        
        
            Yamaha Wolverine, Suzuki King Quad, Kawasaki Bayou, Honda FourTrax
        
     
    
    
        
            Vehicle Features:
        
        
            4x4 capability (on some variants), robust chassis, liquid-cooled engine
        
     
    
        
            Manual Value:
        
        
            Essential for maintaining optimal performance, longevity, and safe operation of the Xplorer 400
        
     
 
    
    
    
        
            Engine:
        
        
            Complete overhaul, diagnostics, tuning, carburetor, cooling system, lubrication
        
     
    
        
            Transmission:
        
        
            Service, repair, clutch, gearbox, drivetrain components
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, ignition system, lighting, starter, battery, charging system, troubleshooting
        
     
    
        
            Fuel System:
        
        
            Fuel tank, lines, pump, carburetor overhaul and adjustment
        
     
    
        
            Suspension:
        
        
            Front and rear suspension, shocks, bushings, linkages, adjustment
        
     
    
        
            Brakes:
        
        
            Hydraulic system, calipers, pads, lines, master cylinder, bleeding, adjustment
        
     
    
        
            Steering:
        
        
            Handlebars, tie rods, steering knuckles, linkage service
        
     
    
        
            Body And Frame:
        
        
            Chassis components, body panels, seat, storage, troubleshooting
        
     
    
        
            Wheels And Tires:
        
        
            Wheel bearing service, tire pressures, specifications
        
     
    
    
        
            Preventative Maintenance:
        
        
            Scheduled maintenance, lubrication, fluid changes, filter replacements
        
     
    
        
            Troubleshooting:
        
        
            Systematic diagnostics for common and uncommon issues, symptom-based guides
        
     
    
        
            Repair Procedures:
        
        
            Step-by-step instructions for component removal, repair, and reinstallation
        
     
    
        
            Assembly Disassembly:
        
        
            Detailed instructions for complete vehicle and component teardown and reassembly
        
     
    
        
            Technical Specifications:
        
        
            Torque values, clearances, fluid capacities, electrical specifications
        
     
    
    
        
            Depth Of Coverage:
        
        
            Comprehensive from basic maintenance to complete engine rebuilds and electrical system diagnostics
        
     
    
        
            Diagnostic Capabilities:
        
        
            Detailed fault finding charts and procedures for all major systems
        
     
    
        
            Rebuild Information:
        
        
            Detailed procedures and specifications for rebuilding engine, transmission, and suspension components
        
     
 
    
    
    
        
            Engine Type:
        
        
            2-stroke, liquid-cooled, 2-cylinder
        
     
    
        
            Displacement:
        
        
            398cc (24.3 cu. in.)
        
     
    
        
            Bore X Stroke:
        
        
            64.0 mm x 62.0 mm (2.52 in. x 2.44 in.)
        
     
    
    
        
            Carburetion:
        
        
            Dual Mikuni VM30SS carburetors
        
     
    
    
        
            Horsepower:
        
        
            Approximately 32-34 HP (estimated, not officially stated)
        
     
    
        
            Torque:
        
        
            Not readily published, but estimated to be in the 25-30 lb-ft range
        
     
    
    
        
            Fuel Type:
        
        
            Unleaded gasoline, minimum 87 octane
        
     
    
        
            Oil Mixing:
        
        
            Pre-mix (90 octane or higher gasoline with 2-stroke oil in a 40:1 ratio)
        
     
 
    
    
    
        
            Transmission Type:
        
        
            Automatic (Polaris Variable Transmission - PVT)
        
     
    
        
            Drive System:
        
        
            Shaft Drive, 2WD or 4WD (depending on model variant)
        
     
    
    
        
            Gear Selection:
        
        
            High, Low, Neutral, Reverse
        
     
    
    
        
            Clutch Type:
        
        
            Centrifugal clutch
        
     
    
        
            Final Drive:
        
        
            Sealed O-ring chain and gear reduction
        
     
 
    
    
    
        
            Length:
        
        
            Approximately 77 inches (195.5 cm)
        
     
    
        
            Width:
        
        
            Approximately 45 inches (114.3 cm)
        
     
    
        
            Height:
        
        
            Approximately 44 inches (111.8 cm)
        
     
    
        
            Wheelbase:
        
        
            Approximately 50 inches (127 cm)
        
     
    
        
            Ground Clearance:
        
        
            Approximately 7.1 inches (18 cm)
        
     
    
    
        
            Dry Weight:
        
        
            Approximately 535 lbs (243 kg)
        
     
    
        
            Towing Capacity:
        
        
            Not specified, but typically limited for ATVs of this era
        
     
    
    
        
            Rack Capacity Front:
        
        
            Not specified, but typically around 50-75 lbs
        
     
    
        
            Rack Capacity Rear:
        
        
            Not specified, but typically around 100-150 lbs
        
     
 
    
    
    
        
            Crash Safety:
        
        
            N/A (ATVs are not subject to automotive crash safety ratings)
        
     
    
    
        
            Braking System:
        
        
            Hydraulic disc brakes front and rear
        
     
    
        
            Throttle Limiter:
        
        
            Not standard, but often an aftermarket or dealer-installed option for younger riders
        
     
    
    
        
            Roll Over Protection:
        
        
            N/A (Standard ATV design)
        
     
    
        
            Lighting:
        
        
            Headlights, taillight/brakelight
        
     
 
    
    
    
        
            Oil Change Engine:
        
        
            Pre-mix fuel system, no separate engine oil change interval (2-stroke).
        
     
    
        
            Spark Plug Replacement:
        
        
            Recommended every 2,000 miles or annually, or as needed based on performance. Specific plug: NGK BR8ES
        
     
    
        
            Air Filter Cleaning:
        
        
            Check and clean every 500 miles or monthly, replace as needed.
        
     
    
        
            Gearcase Oil Change:
        
        
            Every 100 hours or annually. Use Polaris 75W-90 Synthetic Gearcase Lubricant (or equivalent SAE 90W GL-4).
        
     
    
        
            Coolant Flush:
        
        
            Every 2 years or 24 months. Use a 50/50 mix of Polaris Premium 2-Stroke Coolant and distilled water, or ethylene glycol coolant.
        
     
    
    
        
            Gearcase Oil Capacity:
        
        
            Approximately 250 ml (8.5 US oz)
        
     
    
        
            Coolant Type:
        
        
            Ethylene Glycol based coolant (Polaris recommended or equivalent)
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 Brake Fluid
        
     
    
        
            Two Stroke Oil Type:
        
        
            High-quality 2-stroke synthetic or semi-synthetic oil, rated for air/liquid-cooled engines (e.g., Polaris Premium 2-Stroke Oil).
        
     
    
    
        
            Carburetor Issues:
        
        
            Can be prone to clogging or requiring frequent adjustment due to fuel quality or debris.
        
     
    
        
            Cooling System Leaks:
        
        
            Hose degradation or radiator issues can lead to leaks.
        
     
    
        
            Drivetrain Wear:
        
        
            As with any ATV of this age, drivetrain components like U-joints and CV boots can wear out.
        
     
    
        
            Exhaust System:
        
        
            Exhaust leaks or silencer packing degradation can occur over time.
        
     
 
    
    
    
        
            Polarishistory:
        
        
            Polaris Industries is a long-standing American manufacturer of powersports vehicles, known for innovation in ATVs and snowmobiles since the mid-20th century.
        
     
    
    
        
            Xplorer Lineage:
        
        
            The Xplorer line was Polaris's entry into the more performance-oriented ATV segment, often featuring liquid-cooled engines and advanced suspension for its time.
        
     
    
    
        
            Production Period:
        
        
            1996-1998 marked a specific iteration of the Xplorer 400, evolving from earlier Polaris models and leading into subsequent designs.
        
     
    
        
            Manufacturing Location:
        
        
            USA (Minnesota)