Segment:
Mid-size All-Terrain Vehicle (ATV)
Key Competitors:
Yamaha Grizzly 450, Can-Am Outlander 400, Arctic Cat 400 TRV.
Target Audience:
Recreational riders, utility users, farm operators seeking a reliable and capable ATV.
Versatility:
Suitable for trail riding, hunting, farming, and light work tasks.
Engine Service:
Complete engine overhaul, diagnosis, disassembly, assembly, component testing, timing, valve adjustments.
Fuel System:
Fuel pump, carburetor/fuel injection system, fuel lines, fuel filter replacement, troubleshooting.
Ignition System:
Spark plugs, ignition coils, CDI unit, wiring diagrams, troubleshooting.
Cooling System:
Radiator, hoses, thermostat, coolant flush and fill, fan operation, troubleshooting.
Transmission Drivetrain:
Automatic transmission service, clutch operation, drive shafts, CV joints, differential service (front and rear), gearcase maintenance.
Suspension Steering:
Front and rear suspension component inspection and replacement (shocks, springs, A-arms), wheel bearings, steering linkage, tie rods, alignment procedures.
Braking System:
Hydraulic brake system service, master cylinder, brake lines, calipers, brake pads, brake fluid flush and bleeding, parking brake adjustment.
Electrical System:
Battery, charging system, starter motor, lighting, accessory wiring, electrical component testing, wiring diagrams, troubleshooting electrical faults.
Body Chassis:
Frame inspection, body panel removal and installation, seat removal, cargo rack service, plastics repair.
Routine Maintenance:
Oil changes, filter replacements, lubrication points, tire pressure checks, chain adjustments (if applicable), spark plug replacement, air filter service.
Troubleshooting:
Diagnostic procedures for common malfunctions, fault code interpretation (if applicable), systematic problem-solving steps.
Repair Procedures:
Step-by-step instructions for component replacement, assembly, and adjustment for all covered systems.
Depth Of Information:
Comprehensive; covers everything from basic owner maintenance to complete engine and transmission rebuilds. Includes detailed diagnostic information.
Engine Type:
4-stroke, SOHC, 1-cylinder
Bore X Stroke:
85 mm x 66 mm
Cooling System:
Liquid-cooled
Horsepower:
Approximately 29-30 HP (specific rating varies slightly by year and tuning)
Torque:
Approximately 22-23 lb-ft (specific rating varies)
Fuel Delivery:
Carburetor (likely Mikuni BSR42, but confirmation needed in manual)
Fuel Type:
Unleaded gasoline (minimum 87 octane recommended)
Oil Type:
SAE 10W-40 Synthetic ATV specific engine oil
Oil Capacity:
Approximately 1.8 liters (check manual for exact capacity with filter change)
Transmission Type:
Automatic (Polaris PVT - Primary Variable Transmission)
Gear Selection:
High (H), Low (L), Neutral (N), Reverse (R), Park (P).
Drive System:
On-Demand AWD (All-Wheel Drive) with 2WD/4WD selector.
Gear Reduction:
Integrated low-range gearing for enhanced pulling power and crawling.
Transmission Fluid Type:
Polaris Synthetic Gearcase Lube or equivalent API GL-4, SAE 75W-90 (check manual for specific part number and recommendations)
Length:
Approximately 81.1 inches (2060 mm)
Width:
Approximately 46 inches (1168 mm)
Height:
Approximately 47.6 inches (1209 mm)
Wheelbase:
Approximately 50.5 inches (1283 mm)
Dry Weight:
Approximately 675 lbs (306 kg)
Ground Clearance:
Approximately 10.25 inches (260 mm)
Front Rack Capacity:
Approximately 90 lbs (41 kg)
Rear Rack Capacity:
Approximately 200 lbs (90 kg)
Towing Capacity:
1,050 lbs (476 kg)
Front Tire Size:
25 x 8-12
Rear Tire Size:
25 x 10-12
Wheel Bolt Pattern:
4/110
Atv Safety Standards:
Complies with ANSI standards for recreational off-highway vehicles.
Braking System Type:
Hydraulic disc brakes front and rear.
Engine Braking:
Integrated engine braking via the PVT system for downhill control.
Handlebar Design:
Comfortable ergonomic handlebars with integrated handguards for protection.
Lighting:
Dual 50W headlights, 25/80W brake/tail light.
Instrumentation:
Digital odometer, trip meter, speedometer, tachometer, fuel gauge, clock, AWD indicator, transmission gear indicator, 12V outlet.
Braking Assistance:
Integrated engine braking.
Charging Port:
Standard 12V DC accessory outlet for charging electronics.
Engine Oil Change:
Every 100 hours or 12 months (whichever comes first).
Air Filter Cleaning:
Every 25 hours or as needed, inspect more frequently in dusty conditions.
Spark Plug Replacement:
Recommended every 100 hours or 12 months.
Transmission Oil Change:
Every 200 hours or 24 months.
Coolant Flush And Refill:
Every 2 years.
Engine Oil Specification:
Polaris Synthetic 10W-40 ATV Oil or equivalent API SG/SH/SJ.
Coolant Type:
Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio recommended).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Pvt Belt Wear:
Like many CVTs, the drive belt can wear over time and require replacement. Regular inspection is recommended.
Carburetor Tuning:
Carburetors can require periodic cleaning and adjustment due to fuel variability or age.
Suspension Bushings:
Bushings in the A-arms and suspension components can wear, leading to looseness and a sloppy feel.
Electrical Connections:
Corrosion or loose connections, particularly in exposed areas, can cause electrical gremlins.
Manufacturer:
Polaris Industries Inc.
Brand Focus:
Leading manufacturer of powersports vehicles including ATVs, snowmobiles, and motorcycles.
Sportsman Lineage:
The Sportsman line is one of Polaris's longest-running and most popular ATV series, known for its comfort, utility, and off-road capability. The 400 HO model represents an entry-level to mid-range offering within the lineup, focusing on balanced performance and value.
Manufacturing Origin:
Primarily manufactured in the United States.
