Market Segment:
Utility ATV, designed for work, hunting, and recreational off-road use, particularly in challenging terrain.
Competitors:
Competed with other utility-focused ATVs from brands like Yamaha (Grizzly), Honda (FourTrax), and Suzuki (King Quad) during its production era.
Six Wheel Drive:
The signature 6x6 drivetrain provides exceptional traction and load-carrying capability in mud, sand, and rough terrain.
Utility Focus:
Designed for hauling, towing, and navigating difficult environments, making it a popular choice for outdoor enthusiasts and workers.
Durability:
Known for its robust construction and ability to withstand demanding operational conditions.
Engine Maintenance:
Detailed overhaul, inspection, and repair procedures for the 400cc engine.
Fuel System:
Carburetor adjustment, fuel pump, fuel tank, and fuel lines.
Cooling System:
Radiator, fan, coolant circulation, and thermostat.
Ignition System:
Spark plug, ignition coil, CDI unit, and timing.
Exhaust System:
Muffler and exhaust pipe maintenance.
Drivetrain Front Axle:
Front differential, drive shafts, and CV joints.
Drivetrain Rear Axle:
Rear differential, drive shafts, and suspension linkages.
Transmission System:
Automatic transmission (PVT - Polaris Variable Transmission) service, belt inspection, and clutch adjustments.
Braking System:
Hydraulic brake system, brake caliper overhaul, pad replacement, and bleeding procedures.
Suspension System:
Front and rear suspension components, shock absorbers, and steering knuckles.
Steering System:
Handlebar, tie rods, steering shaft, and universal joints.
Electrical System:
Wiring diagrams, battery, charging system (stator, rectifier/regulator), starter motor, lighting, and instrumentation.
Body And Frame:
Frame inspection, body panels, fenders, racks, and seat assembly.
Wheels And Tires:
Wheel bearing service, tire pressure specifications, and rim compatibility.
Preventive Maintenance:
Regular service checks, lubrication points, and filter replacement intervals.
Troubleshooting Guides:
Diagnostic charts and symptom-based troubleshooting for common issues.
Disassembly And Assembly:
Step-by-step instructions for component removal and reinstallation.
Repair Techniques:
Specific repair methods for various components, including wear limits and specifications.
Special Tools:
Identification and usage of specialized tools required for certain procedures.
Technical Depth:
Comprehensive coverage from basic maintenance to complete engine and transmission overhauls, suitable for professional mechanics and experienced DIY enthusiasts.
Engine Type:
2-stroke, liquid-cooled, single-cylinder
Displacement:
340 cc (approx.)
Bore X Stroke:
Refer to manual for specific dimensions
Compression Ratio:
Refer to manual for specific ratios
Horsepower:
Approximately 25-30 HP (estimated, actual figures vary)
Torque:
Refer to manual for torque specifications
Fuel Delivery:
Carburetor (e.g., Mikuni VM34 or similar)
Fuel Type:
Unleaded gasoline
Oil Mixture:
Premix (50:1 ratio for 2-stroke oil recommended in manual)
Length:
Refer to manual for exact dimensions
Width:
Refer to manual for exact dimensions
Height:
Refer to manual for exact dimensions
Dry Weight:
Approximately 570-600 lbs (estimated)
Ground Clearance:
Refer to manual for specific clearance
Rack Capacity Front:
Refer to manual for specifications
Rack Capacity Rear:
Refer to manual for specifications
Towing Capacity:
Refer to manual for towing capacity and hitch specifications
Safety Ratings:
ATVs are not subject to traditional automotive crash safety ratings. User manual details safe operating practices.
Braking System:
Hydraulic disc brakes front and rear.
Throttle Limiter:
May include throttle limiter adjustment for younger riders or controlled environments.
Handlebar Design:
Ergonomic handlebar with comfortable grip and control placement.
Footwells:
Integrated footwells with grip for rider stability.
Lighting:
Headlights and taillight for visibility.
Oil Change:
Refer to manual for specific interval, typically every 50-100 hours of operation or annually.
Spark Plug Replacement:
Refer to manual, often around 1,000-2,000 miles or annually.
Air Filter Cleaning Or Replacement:
Frequent checks and cleaning/replacement recommended, especially in dusty conditions. Refer to manual for exact interval.
Cv Belt Inspection:
Inspect belt condition and tension regularly, and replace as per manual recommendations (e.g., every 2,000-3,000 miles or when signs of wear appear).
Engine Oil:
Refer to manual for specific viscosity grade (e.g., SAE 10W-30 or 10W-40 for 2-stroke applications, depending on mixture method and specific engine design).
Coolant:
Ethylene glycol-based antifreeze/coolant, typically a 50/50 mix with distilled water. Refer to manual for type and capacity.
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid. Refer to manual for exact specification.
Carburetor Fouling:
Common in 2-stroke engines due to fuel and oil mixtures; requires regular cleaning and adjustment.
2 Stroke Top End Wear:
Piston, rings, and cylinder wear can occur with heavy use and improper maintenance. Manual provides wear limits.
Cv Belt Slippage Or Breakage:
Caused by wear, improper tension, or overheating. Regular inspection and replacement are crucial.
Electrical Connector Corrosion:
Especially in wet or muddy conditions, electrical connectors can corrode, leading to intermittent issues. Manual covers wiring diagrams and common fault locations.
Suspension Component Wear:
Bushings, ball joints, and tie rod ends can wear over time, affecting steering and ride quality.
Polariss Heritage:
Polaris Industries Inc. has a long history in the powersports industry, originating from Minnesota and known for its snowmobiles before expanding significantly into ATVs and UTVs.
Atv Development:
The 400 6x6 represents Polaris's early innovations in the utility ATV market, particularly with the introduction of its six-wheel drive system, aimed at enhancing capability and versatility.
Manufacturing Location:
Typically manufactured in Polaris's facilities in the United States.
