Segment:
All-Terrain Vehicle (ATV) / Utility ATV
Target User:
Recreational riders, utility users, and DIY mechanics.
Competitors 2001:
Honda FourTrax, Yamaha Kodiak, Suzuki QuadRunner, Kawasaki Prairie.
Vehicle Focus:
Robust utility and trail riding performance, independent rear suspension (IRS) on some models, reliable power delivery.
Manual Benefit:
Cost savings on professional repairs, ability to perform maintenance and repairs independently, extended vehicle lifespan.
Primary Coverage:
Workshop Service and Repair
Secondary Coverage:
Maintenance, Troubleshooting, Diagnostics, Reassembly
Estimated Pages:
Varies (Digital PDF - typically 300-600+ pages for comprehensive manuals of this era)
Type:
Service Manual / Repair Manual
Engine:
Detailed disassembly, inspection, and reassembly of engine components, including cylinder head, piston, crankshaft, camshaft, valve train, and oil pump.
Fuel System Carburetion:
Carburetor service, adjustment, troubleshooting, fuel pump operation, fuel tank and lines maintenance.
Body Suspension:
Frame inspection, body panel removal/installation, front and rear suspension components (shocks, control arms, bushings), steering system maintenance.
Pvt System:
Primary and Secondary Variable Transmission (PVT) system service, including clutch inspection, belt replacement, and drive unit maintenance.
Final Drive:
Driveshaft, differential (if applicable), axle maintenance, U-joints, and bearing service.
Transmission:
Details on PVT system operation, maintenance, and potential repair procedures. (Note: Transmission in this context refers to the PVT system).
Brakes:
Hydraulic brake system service, caliper maintenance, brake pad replacement, bleeding procedure, rotor inspection, and parking brake adjustment.
Electrical:
Ignition system, lighting, starter motor, charging system (stator, regulator/rectifier), battery testing, wiring diagrams, and component testing.
Maintenance:
Scheduled maintenance intervals for oil changes, filter replacements, spark plug checks, belt inspection, and lubrication points.
Troubleshooting:
Diagnostic procedures for common starting issues, running problems, electrical faults, and drivetrain noises.
Repair:
Step-by-step instructions for disassembly, repair, and reassembly of all major vehicle components.
Assembly Disassembly:
Exploded views and detailed diagrams for complete component breakdown and reassembly.
Depth:
Comprehensive workshop level, covering everything from routine maintenance to major overhauls and component rebuilding.
Diagnostics:
Includes guidance on diagnosing performance issues, electrical faults, and mechanical failures.
Specifications:
Provides torque specifications, clearances, fluid capacities, and other critical technical data.
Engine Type 400:
Liquid-cooled, 4-stroke, SOHC, 2-valve, single-cylinder
Engine Type 500:
Liquid-cooled, 4-stroke, SOHC, 2-valve, single-cylinder
Displacement 400:
Approx. 375 cc (Specific model designation might vary slightly)
Displacement 500:
Approx. 499 cc (Specific model designation might vary slightly)
Bore Stroke Typical:
Refer to manual for exact specifications (e.g., 400: 83mm x 69mm, 500: 92mm x 74mm - these are estimates, manual is definitive).
Horsepower Estimate 400:
Approx. 25-30 HP (Estimate, manual provides definitive figures).
Horsepower Estimate 500:
Approx. 30-35 HP (Estimate, manual provides definitive figures).
Torque Estimate 400:
Refer to manual for exact specifications.
Torque Estimate 500:
Refer to manual for exact specifications.
Fuel Delivery:
Carbureted (e.g., Mikuni, Keihin - specific model dependent)
Fuel Type:
Unleaded gasoline, minimum octane rating of 87 (Verify with manual).
Carburetor Model Typical:
Mikuni BNS/BST series or similar (Specific model details in manual).
Cooling Method:
Liquid-cooled
Coolant Type:
Ethylene glycol-based antifreeze/coolant mixture (Refer to manual for specific type and ratio).
Type:
Polaris Variable Transmission (PVT) Automatic with Engine Braking
Drive System:
Shaft Drive (2WD/4WD selectable on many models)
Gear Selection:
High (H), Low (L), Neutral (N), Reverse (R), Park (P)
Clutch Type:
Centrifugal Clutch (Primary) and Driven Clutch (Secondary)
Transmission Fluid Type:
Polaris AGL Synthetic Gearcase Lubricant or equivalent API GL-4 rated gear oil (Verify with manual).
Transmission Fluid Capacity:
Refer to manual for specific capacity.
Length Typical:
Approx. 81-83 inches (205.7-210.8 cm) (Varies slightly between 400/500 and specific configurations).
Width Typical:
Approx. 46 inches (116.8 cm)
Height Typical:
Approx. 45-47 inches (114.3-119.4 cm)
Dry Weight Typical:
Approx. 550-600 lbs (249-272 kg) (Varies between models).
Payload Capacity:
Refer to manual for exact specifications (typically around 200-300 lbs).
Towing Capacity:
Refer to manual for exact specifications (typically around 1500 lbs).
Wheel Size Front:
12-inch (Standard)
Wheel Size Rear:
12-inch (Standard)
Tire Size Front Typical:
AT25x8-12 (Verify with manual)
Tire Size Rear Typical:
AT25x10-12 (Verify with manual)
Wheel Bolt Pattern:
Refer to manual for specific pattern (typically 4x110 or similar).
Safety Certification:
Certified for recreational off-highway use (Standard for ATVs).
Braking System:
Hydraulic disc brakes, front and rear.
Parking Brake:
Mechanical parking brake, often integrated into the shifter or a separate lever.
Throttle Limiter:
Thumb throttle with governor system for controlled acceleration (standard safety feature).
Engine Braking:
PVT system provides engine braking for controlled descents.
Lighting:
Headlights and taillight for visibility.
Features:
Basic instrumentation: speedometer, odometer, fuel gauge (if equipped), indicator lights for 4WD, neutral, oil pressure, and engine temperature.
Features:
Limited; primarily focused on mechanical systems like PVT engine braking and selectable 4WD.
Features:
No electronic connectivity features (e.g., Bluetooth, GPS) on this model year.
Oil Change Interval:
Typically every 30-50 operating hours or annually (Refer to manual for precise interval based on usage).
Air Filter Cleaning:
Recommended to inspect and clean every 20-30 operating hours, or more frequently in dusty conditions.
Spark Plug Replacement:
Typically every 100-200 operating hours or as needed based on inspection.
Belt Inspection Replacement:
Inspect drive belt for wear and damage every 50 operating hours; replace as per manual specifications.
Engine Oil Type:
Polaris Synthetic 2W-50 or equivalent API SG/SH rated motorcycle oil (Verify with manual for exact grade).
Engine Oil Capacity:
Refer to manual for exact capacity (typically around 2.0-2.5 quarts).
Gearcase Oil Type:
Polaris AGL Synthetic Gearcase Lubricant or equivalent API GL-4 rated gear oil (Verify with manual).
Brake Fluid Type:
DOT 3 or DOT 4 Hydraulic Brake Fluid (Verify with manual).
Common Wear Items:
Drive belt wear, suspension bushings, tie rod ends, wheel bearings, and starter solenoids are common wear items on ATVs of this era.
Charging System Potential Issues:
Stator failures and regulator/rectifier issues can affect battery charging (manual provides diagnostic steps).
Carburetor Issues:
Clogged carburetors due to stale fuel or debris are common, requiring cleaning and adjustment.
Polaris Heritage:
Polaris Industries Inc. has a long history dating back to 1954, initially known for snowmobiles before expanding into ATVs, UTVs, and motorcycles.
Sportsman Lineage:
The Sportsman line is one of Polaris's most successful and enduring ATV platforms, known for its versatility, comfort, and capable performance.
2001 Updates:
The 2001 models likely featured refinements to engine performance, suspension tuning, and feature availability compared to earlier iterations. Specific updates detailed in the manual.
Manufacturing Location:
Primarily manufactured in the United States by Polaris Industries.