Vehicle Segment:
Mid-size utility ATV, popular for recreational riding, farm work, and light trail use.
Key Competitors:
Honda Foreman, Yamaha Kodiak, Suzuki King Quad, Kawasaki Prairie
Powertrain Emphasis:
Known for its robust, torquey engines and reliable Polaris Variable Transmission (PVT) system.
Handling And Comfort:
Independent front suspension and MacPherson strut rear suspension offered good ride quality and handling for its class.
Engine Mechanical:
Engine assembly, disassembly, component inspection, repair, overhaul, cylinder head, pistons, crankshaft, camshaft, valve train, lubrication system, cooling system
Fuel System:
Carburetor (jetting, cleaning, rebuilding), fuel pump, fuel tank, fuel lines, fuel filter
Ignition System:
CDI unit, ignition coil, spark plug, stator, flywheel, timing
Drive System:
PVT (Polaris Variable Transmission) operation, belt replacement, clutch inspection and adjustment, chain drive (if applicable), differential, drive shafts, U-joints
Suspension:
Front and rear suspension geometry, shock absorber service, spring replacement, bushings, linkage maintenance
Braking System:
Hydraulic brake system, caliper service, master cylinder, brake lines, brake pads, rotors, bleeding procedures
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), starter motor, lighting system, switches, fuses, troubleshooting electrical faults
Chassis And Frame:
Frame inspection, body panel removal and installation, plastic components, seat assembly
Steering:
Steering linkage, tie rods, steering column, handlebars, bushings
Cooling System:
Radiator, fan, thermostat, coolant type, flushing and refilling procedures
Routine Maintenance:
Oil changes, filter replacements, lubrication points, air filter cleaning/replacement, spark plug inspection, valve adjustment (if applicable)
Troubleshooting:
Diagnostic charts for common problems, symptom-based troubleshooting guides
Repair Procedures:
Step-by-step instructions for component removal, installation, and repair
Overhaul Procedures:
Complete engine and transmission rebuild instructions
Specification Data:
Torque specifications, clearances, fluid capacities, performance data
Wiring Diagrams:
Comprehensive electrical schematics for fault finding and repair
Depth Of Coverage:
Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls. Detailed diagnostic procedures and specifications are expected.
Engine Type 400:
4-stroke, liquid-cooled, SOHC, 2-valve, single-cylinder
Engine Displacement 400:
Approx. 375cc (specific bore/stroke vary slightly by year, check manual for exact specs)
Engine Type 500:
4-stroke, liquid-cooled, SOHC, 2-valve, single-cylinder
Engine Displacement 500:
Approx. 499cc (specific bore/stroke vary slightly by year, check manual for exact specs)
Horsepower Estimated:
Approx. 25-30 HP (varies by model and specific year)
Torque Estimated:
Good low-end torque for pulling and climbing
Carburetor Type:
Mikuni VM Series carburetor (e.g., VM34 or similar, specific to model/year)
Fuel Type:
Unleaded gasoline, 87 octane (minimum)
Oil Type:
SAE 10W-40 API SG or higher (check manual for exact specifications)
Oil Capacity:
Approx. 2.2 - 2.5 liters (with filter change, refer to manual for exact capacity)
Transmission Type:
Polaris Variable Transmission (PVT) Automatic
Drive Modes:
2WD/4WD selector, often with locking front differential
Gear Selection:
High, Low, Neutral, Reverse, Park
Belt Drive System:
Primary and secondary clutch system with drive belt
Transmission Fluid:
Polaris AGL Synthetic Gearcase Lubricant or equivalent (check manual for exact specifications)
Engine Oil Change:
Every 100 hours or 1 year, whichever comes first. Check manual for specific recommendations.
Air Filter Service:
Inspect every 25 hours, clean/replace as needed. More frequent in dusty conditions.
Spark Plug Inspection:
Inspect every 100 hours or 1 year.
Pvt Belt Inspection:
Inspect PVT belt for wear and damage at 50-hour intervals. Replace if worn or damaged.
Front Gearcase Oil:
Polaris Demand Drive Fluid or equivalent (check manual for exact specifications)
Rear Gearcase Oil:
Polaris AGL Synthetic Gearcase Lubricant or equivalent (check manual for exact specifications)
Carburetor Tuning:
Carburetors can be sensitive to altitude and temperature changes, requiring occasional adjustment.
Pvt Belt Wear:
PVT belts can wear over time, especially under heavy use or improper engagement, leading to slippage or loss of power.
Electrical Connections:
Corrosion or loose connections in the electrical system can cause intermittent faults. Regular inspection is recommended.