Comprehensive: From basic routine maintenance to complete engine and transmission overhauls, including detailed electrical schematics and troubleshooting.
📊 Manual Specifications
File Format
Compatibility:
Universal PDF reader compatible (Adobe Acrobat Reader recommended)
Print Quality
Resolution:
High-resolution scans ensuring clear text and diagrams.
Binding Type
Binding:
N/A (Digital PDF format)
Paper Type
Paper Type:
N/A (Digital PDF format, printable)
⚙️ Engine Specifications
Primary Engine
Engine Type:
4-Stroke, Liquid-Cooled, SOHC
Engine Code:
PV-521 (approximate, specific to Polaris 400cc engine)
Displacement:
375 cc (23 cu. in.)
Bore X Stroke:
83 mm x 69.3 mm (approximate)
Compression Ratio:
9.2:1 (approximate)
Performance
Horsepower:
Approximately 25-28 HP @ 6000 RPM (Varies slightly by year/tuning)
Torque:
Approximately 24-26 lb-ft @ 4500 RPM (Varies slightly by year/tuning)
Fuel System
Fuel Delivery:
Carburetor (Mikuni VM34 or similar, model specific)
Fuel Type:
Unleaded gasoline, 87 octane minimum
Cooling System
Cooling Method:
Liquid-cooled
Ignition System
Ignition Type:
CDI (Capacitor Discharge Ignition)
🔧 Transmission
Standard
Transmission Type:
Automatic (PVT - Polaris Variable Transmission)
Drive System:
Shaft Drive, On-Demand AWD (All-Wheel Drive)
Gear Selection:
High, Low, Neutral, Reverse, Park
Features
Clutch Type:
CVT (Continuously Variable Transmission) with High and Low range
Engine Braking:
Utilizes PVT system for effective engine braking
📐 Dimensions
Exterior
Length:
Approximately 81.0 inches (2057 mm)
Width:
Approximately 46.0 inches (1168 mm)
Height:
Approximately 47.2 inches (1199 mm)
Wheelbase:
Approximately 50.5 inches (1283 mm)
Weights
Dry Weight:
Approximately 560 lbs (254 kg)
Ground Clearance:
Approximately 11.25 inches (286 mm)
Cargo
Front Rack Capacity:
200 lbs (90.7 kg)
Rear Rack Capacity:
400 lbs (181.4 kg)
Towing
Towing Capacity:
1050 lbs (476 kg)
Tires
Front Tire Size:
AT 25 x 8-12
Rear Tire Size:
AT 25 x 10-12
Wheels
Bolt Pattern:
4 x 110 mm
🛡️ Safety Features
Ratings
Rollover Protection:
Not applicable to ATVs in the same manner as cars; emphasis on rider skill and awareness.
Active Features
Braking System:
Hydraulic Disc Brakes (Front and Rear)
Parking Brake:
Hand-operated, typically integrated into the brake lever system.
Passive Features
Lighting:
Dual Halogen Headlights, LED Tail/Brake Light
Hand Grips:
Textured, non-slip handgrips for control
💡 Technology Features
Infotainment
Infotainment System:
Not applicable for this model; basic instrumentation.
50/50 mixture of ethylene glycol antifreeze and distilled water.
Known Issues
Common Wear Item:
PVT Belt: Can wear over time and require replacement, especially under heavy use.
Common Maintenance Point:
Carburetor: May require cleaning and adjustment due to fuel quality or debris.
Electrical Concern:
Starter solenoid or charging system components can be points of failure over time.
Suspension Wear:
Ball joints and tie rod ends can wear, affecting steering and alignment.
📚 Vehicle History
Brand Heritage
Manufacturer Origin:
United States
Polaris Atv Legacy:
Polaris is a pioneer in the ATV industry, known for introducing the first automatic transmission and independent front suspension on ATVs.
Model Evolution
Sportsman Line Introduction:
The Sportsman line was introduced in the early 1990s and quickly became a best-seller, emphasizing comfort, utility, and capability.
Sportsman 400 Positioning:
The Sportsman 400 served as a mid-range utility model, offering a balance of power and maneuverability for a wide range of tasks.
Production
Manufacturing Plant:
Primarily manufactured in Roseau, Minnesota, USA.
🏆 Awards & Recognition
Recognitions
Atv Industry Recognition:
The Polaris Sportsman line has consistently received accolades for its comfort, utility, and innovation within the ATV market.
Ratings
Consumer Reports Era:
While specific ratings may vary, Polaris ATVs of this period were generally well-regarded for their performance and build quality in consumer and industry reviews.
Certifications
Safety Standards:
Meets all applicable industry safety standards for ATVs (e.g., ANSI/SVIA requirements).
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