Market Position:
A widely popular utility ATV offering a balance of performance, comfort, and capability for various recreational and working applications.
Competitive Analysis:
Competed with similar displacement utility ATVs from brands like Yamaha (Grizzly), Honda (FourTrax), and Suzuki (King Quad) in the early 2000s. Known for its independent rear suspension and comfortable ride.
Key Features Of Vehicle:
Independent Rear Suspension (IRS) for improved ride quality, robust chassis, reliable engine, and Polaris's signature on-demand AWD system.
Key Features Of Manual:
Enhanced PDF with bookmarks, searchable text, and high-quality diagrams for user-friendly access to repair information.
Systems Covered:
Engine, Fuel System, Engine Management, Electrical System, Drive System, Rear Suspension, Steering, Frame, Maintenance, Troubleshooting
Procedures Included:
Servicing, Repair, Troubleshooting, Maintenance, Component Diagnosis, Reassembly
Engine Procedures:
Engine teardown, rebuild, timing, valve adjustment, carburetor overhaul, cooling system service.
Drivetrain Procedures:
CVT belt inspection/replacement, final drive service, driveshaft maintenance.
Electrical Procedures:
Starter, alternator, battery testing, lighting system diagnosis, ignition system troubleshooting.
Suspension Steering Procedures:
Shock absorber service, wheel bearing replacement, steering linkage adjustment, tie rod end replacement.
Brake Procedures:
Brake pad replacement, caliper service, bleeding procedure, master cylinder diagnosis.
Technical Depth:
Comprehensive factory-level repair and diagnostic procedures, suitable for both amateur and professional mechanics.
Diagrams Included:
Color Wiring Diagrams, Exploded View Diagrams, Component Diagrams
Technical Data Included:
Specifications, Torque Values, Clearances, Fluid Capacities, Diagnostic Charts
Engine Type:
4-Stroke, Single Cylinder
Engine Displacement:
Approximately 375-400cc (Specific to exact sub-model variant, typically around 375cc for the 400 designation during this era).
Horsepower:
Estimated 25-30 HP (Industry standard for this class of ATV)
Torque:
N/A (Specific values not typically provided in general product description)
Fuel Delivery:
Carburetor (Likely Mikuni or Keihin, specific model would be in manual)
Fuel Type:
Unleaded Gasoline
Ignition System:
Electronic Ignition
Transmission Type:
Automatic (CVT - Continuously Variable Transmission)
Drive Modes:
2WD/4WD Selectable (On-Demand)
Gear Reduction:
High/Low Range Gear Reduction
Transmission Fluid Type:
Specific CVT Fluid (e.g., Polaris AGL or similar - detailed in manual)
Length:
Approx. 83 inches (Industry standard for this size ATV)
Width:
Approx. 46 inches (Industry standard for this size ATV)
Height:
Approx. 48 inches (Industry standard for this size ATV)
Dry Weight:
Approx. 600-630 lbs (Industry standard for this class)
Towing Capacity:
Typically around 1500 lbs (Industry standard for this class)
Rack Capacity Front:
Approx. 90 lbs
Rack Capacity Rear:
Approx. 180 lbs
Safety Ratings:
ATV safety is operator-dependent; adherence to recommended practices and wearing appropriate gear is crucial. No formal crash test ratings like cars.
Active Safety Features:
On-Demand 4WD, Engine Braking (via CVT deceleration)
Passive Safety Features:
Handguards, Footwells, Three-Brake System
Infotainment Features:
Basic instrumentation cluster (speedometer, odometer, fuel gauge, indicator lights). No modern infotainment systems.
Driver Assistance Features:
On-Demand AWD system is a primary feature for enhanced traction and control.
Connectivity Features:
None (Vehicle is designed for off-road functionality)
Oil Change Interval:
Typically every 100 hours or annually (Specific detail in manual)
Air Filter Cleaning:
Regular inspection and cleaning, especially in dusty conditions (details in manual)
Spark Plug Replacement:
Approximately every 3,000 miles or as per manual recommendations
Engine Oil Type:
SAE 5W-50 or 10W-40 Synthetic (Specific viscosity and API rating in manual)
Engine Oil Capacity:
Approx. 2.2 quarts (Refer to manual for exact capacity and filter part number)
Coolant Type:
Ethylene Glycol-based Antifreeze (Specific mix ratio and type in manual)
Known Issues:
Common issues may include CVT belt wear, carburetor tuning, electrical connectors due to moisture exposure, and potential suspension component wear depending on usage and maintenance.
Troubleshooting Assistance:
The manual's troubleshooting section is invaluable for diagnosing and resolving common and complex issues.
Brand Heritage:
Polaris Industries is a long-standing American manufacturer known for its pioneering role in the snowmobile and ATV markets. They are recognized for innovation and building rugged, capable off-road vehicles.
Model Evolution:
The Sportsman line has been a flagship for Polaris since its inception. The 400 model was positioned as a mid-size, capable utility ATV, evolving from earlier models with upgrades in suspension, engine technology, and chassis design over the years.
Production Era:
Early 2000s
Manufacturing Location:
United States (Roseau, Minnesota)
