Model:
Sportsman 400, 450, 500
Product Type:
ATV Service Repair Manual
Model Years Covered:
1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013
Engine Variants Covered:
400cc, 450cc, 500cc (EFI models only, excluding 500 ATP HO)
Market Position:
Essential tool for Polaris Sportsman owners and independent repair shops focused on ATV maintenance and repair.
Competitive Advantage:
Official Polaris documentation ensures accuracy and completeness, surpassing generic aftermarket repair guides.
Key Features Manual:
Official WSM, 626 pages, covers multiple engine displacements and years, instant PDF download, detailed diagrams, part numbers included.
Key Features Vehicle:
Versatile 4x4 ATVs known for trail riding, utility work, and recreational use. Strong emphasis on EFI systems for improved performance and emissions.
Engine Systems:
Engine disassembly, assembly, lubrication, cooling, fuel injection, ignition, starting system, exhaust system
Drivetrain Systems:
Transmission (PVT - Polaris Variable Transmission), drive clutch, driven clutch, belt maintenance, final drive, AWD system (if applicable)
Chassis Suspension Steering:
Frame, front and rear suspension, shocks, A-arms, steering system, tie rods, wheel bearings
Braking Systems:
Hydraulic brake system, brake calipers, master cylinders, brake lines, brake pads, brake discs
Electrical Systems:
Wiring diagrams, battery, charging system (stator, rectifier/regulator), lighting, starter motor, ignition switch, fuses, relays, diagnostic codes
Fuel Systems:
Fuel tank, fuel pump, fuel filter, fuel injectors, throttle body, EFI control module (ECU)
Body Components:
Body panels, fenders, seat, handlebars, racks
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, spark plug inspection/replacement, drive belt inspection/replacement, fluid level checks and top-offs
Diagnostic Procedures:
Troubleshooting guides, diagnostic trouble codes (DTCs), symptom-based diagnostics
Repair Procedures:
Step-by-step instructions for component removal, installation, and repair for all major systems
Overhaul Procedures:
Engine overhaul, transmission rebuild, suspension component replacement
Adjustment Procedures:
Carburetor/throttle body synchronization, valve adjustments (if applicable), brake adjustments
Technical Depth:
Comprehensive: Covers routine maintenance to complete engine and drivetrain rebuilds, including electrical system diagnostics.
Detail Level:
Detailed with exploded views and diagrams for precise component identification and reassembly.
Engine Type:
4-stroke, Liquid-Cooled, Single Cylinder (specific configuration varies by model year and displacement)
Bore X Stroke:
Varies by displacement (e.g., 92mm x 76.5mm for 500cc)
Displacement:
400cc, 450cc, 500cc
Horsepower:
Typically in the range of 25-34 HP (varies by model and year)
Torque:
Varies by displacement and engine tuning
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline (91 octane recommended)
Ignition System:
CDI with electronic advance
Atv Safety Standards:
Compliant with ANSI/SVIA standards where applicable.
Braking System Type:
Hydraulic disc brakes, sealed driveline
AWD System Features:
Automatic engagement of front drive wheels when rear wheels lose traction (on AWD models)
Rollover Protection:
N/A (ATVs are designed for off-road use and require operator awareness; no ROPS typically unless specified for specialized models).
Engine Oil Change:
Every 100 hours or 12 months, whichever comes first.
Air Filter Inspection:
Every 25 hours, clean or replace as needed.
Spark Plug Inspection:
Every 100 hours or 12 months.
Drive Belt Inspection:
Every 100 hours; inspect for wear, cracks, and damage.
Engine Oil Type:
Polaris PS-4 (SAE 5W-50) Synthetic Ester Oil or equivalent API SG, JASO MA certified oil.
Transmission Fluid Type:
Polaris AGL Synthetic Gearcase Lubricant or equivalent (for final drive and transmission).
Coolant Type:
Polaris Coolant (50/50 mix of ethylene glycol and distilled water)
Common Issues Overview:
Early models may experience drive belt wear, starter solenoid issues, and potential charging system problems. EFI system diagnostics and fuel injector cleaning are common maintenance tasks. Suspension wear and tear are also typical for this age range.
Efi System Considerations:
Requires diagnostic tools for advanced troubleshooting of fuel delivery and sensor issues.