Target User:
Recreational riders, farmers, hunters, and general utility users.
Competitors:
Honda FourTrax, Yamaha Kodiak, Suzuki King Quad, Kawasaki Prairie.
Vehicle Strengths:
Reliability, ease of maintenance, versatile for various tasks, comfortable ride.
Purpose:
To empower owners and technicians with the knowledge to maintain, diagnose, and repair their Polaris Sportsman 400/500 accurately.
Engine Mechanical:
Engine overhaul, top-end and bottom-end repairs, valve adjustments, piston and cylinder assembly, crankshaft and connecting rod service.
Fuel System:
Carburetor service and tuning, fuel pump operation, fuel tank and lines maintenance.
Ignition System:
Ignition coil testing, spark plug replacement and specifications, CDI unit service.
Cooling System:
Radiator service, fan operation, coolant replacement and specifications, thermostat service.
Drivetrain:
Transmission removal and installation, gear inspection, clutch service, drive shaft and CV joint maintenance.
Suspension:
Front and rear suspension component inspection, shock absorber replacement, ball joint and tie rod end service.
Brakes:
Brake caliper overhaul, brake pad replacement, brake line bleeding, master cylinder service, rotor inspection.
Electrical System:
Wiring diagrams, battery testing and replacement, starter motor operation, lighting system service, charging system diagnostics.
Chassis And Body:
Frame inspection, body panel removal and installation, seat service, handlebar maintenance.
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, lubrication points, air filter cleaning/replacement.
Troubleshooting Guides:
Diagnostic procedures for common problems, fault finding charts, symptom-based troubleshooting.
Major Repairs:
Engine rebuilds, transmission overhauls, suspension component replacement, electrical system repairs.
Disassembly And Assembly:
Step-by-step instructions for component removal and reinstallation with torque specifications.
Depth:
Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds.
Diagnostic Level:
Advanced diagnostics for electrical and mechanical systems.
Model 400 Engine Type:
4-stroke, Liquid-cooled, SOHC, Single Cylinder
Model 500 Engine Type:
4-stroke, Liquid-cooled, SOHC, Single Cylinder
Model 400 Displacement:
375cc (Approximate, actual may vary slightly by source)
Model 500 Displacement:
499cc (Approximate)
Model 400 Horsepower:
Approx. 28 HP @ 6500 RPM (Estimate)
Model 500 Horsepower:
Approx. 36 HP @ 6500 RPM (Estimate)
Model 400 Torque:
Approx. 25 lb-ft @ 5500 RPM (Estimate)
Model 500 Torque:
Approx. 30 lb-ft @ 5500 RPM (Estimate)
Carburetor Model:
Keihin (Specific model number would be in manual, e.g., CVK34 or similar)
Fuel Type:
Unleaded Gasoline (91 Octane or higher recommended)
Ignition Type:
Electronic Ignition (CDI)
Cooling Method:
Liquid Cooling
Type:
Automatic PVT (Polaris Variable Transmission) with Engine Braking
Availability:
N/A (Single transmission type typically offered)
Drive Modes:
High, Low, Neutral, Reverse, Park
Final Drive:
Shaft Drive (AWD models)
Length:
Approx. 81.2 inches (206.3 cm)
Width:
Approx. 46 inches (116.8 cm)
Height:
Approx. 47 inches (119.4 cm)
Dry Weight:
Approx. 574 lbs (260 kg) for 500, slightly less for 400
Ground Clearance:
Approx. 10.25 inches (26 cm)
Rack Capacity Front:
75 lbs (34 kg)
Rack Capacity Rear:
150 lbs (68 kg)
Towing Capacity:
1500 lbs (680 kg)
Safety Certifications:
Designed to meet ANSI standards for ATVs.
Braking System:
Hydraulic Disc Brakes (Front and Rear)
Parking Brake:
Hand-operated, parking brake mechanism.
Operator Presence:
Throttle and brake levers designed for operator control.
Lighting:
Dual Halogen Headlights, Taillight/Brake Light.
Display Features:
Basic LCD instrument cluster (speedometer, odometer, fuel gauge, etc.).
Powertrain Management:
Polaris Variable Transmission (PVT) with automatic engine braking.
Charging System:
12V DC electrical system with charging stator.
Engine Oil Change:
Every 100 hours or 12 months (refer to manual for exact specification).
Air Filter Cleaning:
Every 50 hours or as needed in dusty conditions.
Spark Plug Replacement:
Every 200 hours or as needed.
Gearcase Oil Change:
Every 100 hours or 12 months.
Engine Oil Type:
SAE 10W-40 Motorcycle Oil (JASO MA certified, e.g., Polaris PS-4 or equivalent)
Engine Oil Capacity:
Approx. 1.75 quarts (1.65 liters) with filter change (refer to manual).
Coolant Type:
Ethylene Glycol based antifreeze (50/50 mix with distilled water)
Front Gearcase Oil:
Polaris Demand Drive Fluid or SAE 80W API GL-4 Hypoid Gear Oil.
Rear Differential Oil:
SAE 80W-90 API GL-5 Hypoid Gear Oil.
Common Wear Items:
Drive belts (PVT), brake pads, wheel bearings, tie rod ends, ball joints.
Potential Failures:
Carburetor calibration issues, starter solenoid problems, fuel pump reliability.
Recalls:
Consult CPSC and Polaris official recalls for potential safety notices.
Brand Origin:
Polaris Industries, founded in 1954, Roseau, Minnesota, USA.
Company Focus:
Known for snowmobiles and later ATVs, and off-road vehicles.
Sportsman Line:
The Sportsman line has been a cornerstone of Polaris' ATV offerings, emphasizing comfort, utility, and capability.
2005 Generation:
Part of the early to mid-2000s generation of Sportsman, characterized by their robust utility and independent rear suspension.
Manufacturing Location:
USA (Typically Roseau, Minnesota or other Polaris facilities)