Positioning:
Essential tool for Polaris Sportsman 400/500 owners seeking to perform maintenance and repairs, catering to DIY enthusiasts and independent shops.
Value Proposition:
Provides comprehensive and detailed repair information at a lower cost than dealership service, empowering owners to save money and maintain their ATVs effectively.
Features:
Instant download, step-by-step instructions, detailed diagrams, parts lists, and troubleshooting guides for a wide range of repair scenarios.
Engine Systems:
Internal engine components, top-end, bottom-end, cooling, lubrication, ignition, and timing.
Fuel And Emission Systems:
Carburetor disassembly, cleaning, adjustment, fuel pump, fuel lines, and emissions control components.
Drivetrain Systems:
Primary drive clutch (PVT), secondary clutch, drive belts, final drive housing, axle, and universal joints.
Suspension And Steering:
Front and rear suspension components, shock absorbers, springs, control arms, bushings, steering linkage, and tie rods.
Brake Systems:
Hydraulic brake system, brake calipers, master cylinder, brake lines, brake pads, and brake rotors.
Electrical Systems:
Wiring diagrams, battery, starter motor, charging system (stator, regulator/rectifier), lighting, ignition system, and electrical component troubleshooting.
Body And Frame:
Body panels, fenders, racks, seat, handlebars, and frame inspection.
Routine Maintenance:
Oil changes, filter replacements, spark plug service, air filter cleaning, and lubrication points.
Troubleshooting:
Diagnostic procedures for common problems, symptom identification, and step-by-step fault finding.
Repair And Rebuild:
Detailed instructions for component removal, disassembly, inspection, repair, reassembly, and adjustment.
Technical Data And Specifications:
Torque specifications, fluid capacities, clearances, electrical values, and diagnostic data.
Depth:
Comprehensive, covering all aspects from basic maintenance to full engine and transmission rebuilds. Includes detailed diagrams and parts lists.
Engine Type 400:
4-stroke, liquid-cooled, SOHC, 2-valve, single-cylinder (Likely a derivative of the Polaris Pro-Star engine family)
Engine Type 500:
4-stroke, liquid-cooled, SOHC, 2-valve, single-cylinder (Likely a derivative of the Polaris Pro-Star engine family)
Displacement 400:
Approximately 375-400cc (Specific designation may vary)
Displacement 500:
Approximately 499-500cc (Specific designation may vary)
Bore X Stroke 500:
Typical for 500cc Pro-Star: Approx. 94mm x 71.5mm (Requires confirmation from manual)
Horsepower 500:
Typically in the range of 30-35 HP (Requires confirmation from manual)
Torque 500:
Typically in the range of 30-35 lb-ft (Requires confirmation from manual)
Carburetion Type:
Mikuni or Keihin carburetor (Specific model likely detailed in manual, e.g., Mikuni BST40 or similar)
Fuel Delivery:
Gravity feed or low-pressure fuel pump
Cooling Method:
Liquid-cooled with fan assist
Oil Type:
High-quality 4-stroke ATV oil, likely SAE 10W-40 or 20W-50 (Check manual for exact specification and API service rating)
Ignition Type:
Electronic Ignition (CDI or similar)
Engine Serial Number Location:
Typically stamped on the engine crankcase (Refer to manual for exact location)
Transmission Type:
Automatic PVT (Polaris Variable Transmission) with Engine Braking
Gear Selection:
High, Low, Neutral, Reverse
Drive System:
Shaft drive to rear differential, driveshaft to front differential (for AWD models)
Clutch System:
CVT (Continuously Variable Transmission) with primary and secondary clutch assemblies.
Gear Reduction:
Integrated reduction gears within the transmission and rear differential.
Transmission Fluid Type:
Specific Polaris PVT fluid or an equivalent high-quality CVT fluid (Refer to manual for exact specification, e.g., Polaris Demand Drive Fluid for front differential)
Transmission Fluid Capacity:
Typically around 1.5 - 2.0 liters for the main transmission and gearbox (Check manual for exact capacity)
Length:
Approximately 83 inches (211 cm) (Check manual for exact spec)
Width:
Approximately 46 inches (117 cm) (Check manual for exact spec)
Height:
Approximately 48 inches (122 cm) (Check manual for exact spec)
Dry Weight:
Approximately 550-600 lbs (250-272 kg) (Check manual for exact spec)
Payload Capacity:
Typically around 200 lbs (90 kg) on racks (Check manual for exact spec)
Towing Capacity:
Typically around 1500 lbs (680 kg) (Check manual for exact spec)
Front Tire Size:
Commonly 25x8-12 or similar (Check manual for exact specification)
Rear Tire Size:
Commonly 25x10-12 or similar (Check manual for exact specification)
Wheel Bolt Pattern:
Not applicable for this type of vehicle; uses hub-mounted wheels.
Atv Safety Standards:
Designed to meet relevant ANSI/SVIA standards for ATVs.
Engine Braking:
Standard feature for downhill control.
All Wheel Drive:
Likely available on some models, typically automatically engaging when rear wheels lose traction (ADC - Automatic Differential Lock).
Lighting:
Headlights, taillight, and brake light.
Braking System:
Hydraulic disc brakes on all wheels.
Operator Training:
Polaris strongly recommends reading the owner's manual and taking an ATV safety training course.
Engine Oil Change:
Typically every 100 hours or annually, whichever comes first (refer to manual for precise interval and operating conditions).
Air Filter Cleaning:
Check every 25 hours, clean or replace as needed, especially in dusty conditions.
Spark Plug Service:
Inspect every 100 hours, replace as recommended.
Clutch Inspection:
Inspect primary and secondary clutches for wear and proper operation periodically, often at 100-hour intervals.
Brake System Check:
Inspect brake pads, fluid levels, and lines regularly.
Engine Oil Specification:
Polaris PS-4 Full Synthetic 4-stroke engine oil, or equivalent SAE 10W-40 or 20W-50 API SG/SH/SJ rated ATV oil.
Coolant Type:
Ethylene glycol based antifreeze/coolant for liquid-cooled engines. Typically a 50/50 mix with distilled water. (Check manual for specific type and capacity).
Brake Fluid Type:
DOT 4 hydraulic brake fluid (Check manual for specific type).
Engine Oil Capacity:
Approximately 2.0-2.5 liters (with filter change) for the 500cc engine (Check manual for exact capacity).
Coolant Capacity:
Approximately 1.5-2.0 liters for the cooling system (Check manual for exact capacity).
Common Issues:
Variations in carburetor tuning affecting starting or running, wear on PVT belt and clutches, potential leaks in cooling system, front differential lock (ADC) sensor issues on some models.
Maintenance Tips:
Regularly inspect and clean the air filter, ensure proper PVT belt tension and condition, keep cooling system clean and topped up, and use correct fluid types.
Polar Heritage:
Polaris Industries Inc. has a long history in powersports, beginning with snowmobiles and expanding into ATVs and motorcycles. Known for innovation and off-road performance.
Sportsman Line:
The Sportsman line has been a cornerstone of Polaris's ATV offerings, continuously evolving with advancements in technology, suspension, and engine performance. The 400 and 500 models were popular entry-to-mid-level options.
Production Era:
Early 2000s, a period of significant growth and development for Polaris ATVs.
Manufacturing Location:
Typically manufactured in the United States (e.g., Spirit Lake, Iowa).