Target Audience:
Polaris Dealership Mechanics, Professional ATV Technicians, Serious DIY Enthusiasts
Manual Advantage:
Reprint of the original dealership service manual, offering superior detail and accuracy compared to generic aftermarket manuals.
Features:
Step-by-step instructions, clear pictures, exploded view illustrations, schematics, specifications, troubleshooting guides, comprehensive system coverage.
Systems:
General Information, Maintenance, Engine, Fuel System, Cooling System, Exhaust System, Lubrication System, Ignition System, Starting System, Charging System, Clutch, Transmission, Drivetrain, Final Drive, Suspension (Front and Rear), Steering, Brakes (Hydraulic), Frame, Bodywork, Electrical System, Wiring Diagrams, Troubleshooting, Specifications
Procedures:
Routine Maintenance, Scheduled Maintenance, Engine Disassembly and Reassembly, Carburetor Adjustment and Rebuild, Fuel Pump Service, Cooling System Flush and Fill, Oil Changes, Filter Replacement, Spark Plug Service, Belt Inspection and Replacement, Transmission Overhaul, Differential Service, Brake Pad Replacement, Brake Bleeding, Suspension Component Replacement, Steering Linkage Adjustment, Electrical System Diagnosis, Component Testing, Wiring Harness Repair, Troubleshooting Common Issues, Torque Specifications Application
Depth:
Dealership Level - Comprehensive diagnostics, repair, overhaul, and maintenance procedures for all major systems. Includes detailed troubleshooting trees, component specifications, and step-by-step repair instructions.
Engine Type:
4-Stroke, Liquid-Cooled, SOHC
Displacement:
287cc (Sportsman 300); 375cc (Sportsman 400 HO)
Bore X Stroke:
Varies by model (Specifics in manual)
Compression Ratio:
Varies by model (Specifics in manual)
Horsepower:
Estimated 20-25 HP (Sportsman 300); Estimated 27-30 HP (Sportsman 400 HO) (Specifics in manual)
Torque:
Varies by model (Specifics in manual)
Fuel Delivery:
Carburetor (Likely Mikuni or Keihin - Specifics in manual)
Fuel Type:
Unleaded Gasoline, 87 Octane or higher
Fuel Capacity:
3.25 gallons (12.3 liters) (Approximate - Specifics in manual)
Transmission Type:
Automatic Polaris Variable Transmission (PVT)
Drive System:
2WD/4WD (selectable, on demand) for 4x4 models; 2WD for 2x4 models
Gear Selection:
High, Low, Neutral, Reverse, Park
Clutch Type:
CVT (Continuously Variable Transmission) with centrifugal clutch
Final Drive:
Shaft Drive with Sealed U-Joints
Overall Length:
Approx. 81.1 inches (206 cm) (Specifics in manual)
Overall Width:
Approx. 46 inches (117 cm) (Specifics in manual)
Overall Height:
Approx. 48 inches (122 cm) (Specifics in manual)
Dry Weight:
Approx. 600-650 lbs (272-295 kg) (Specifics in manual)
Ground Clearance:
Approx. 11.25 inches (28.6 cm) (Specifics in manual)
Towing Capacity:
1050 lbs (476 kg) (Specifics in manual)
Rack Capacity Front:
90 lbs (41 kg) (Specifics in manual)
Rack Capacity Rear:
180 lbs (82 kg) (Specifics in manual)
Safety Standards:
Designed to meet ANSI/SVIA 1-2007 standards (for ATVs)
Braking System:
Hydraulic Disc Brakes (Front and Rear)
Parking Brake:
Hand Lever Operated
Lighting:
Dual Halogen Headlights, Brake Tail Light
Operator Controls:
Handlebar with Thumb Throttle, Hand Lever Brake Control
Instrumentation:
Digital LCD instrumentation: Speedometer, Odometer, Tripmeter, Tachometer, Fuel Gauge, Gear Indicator, AWD Indicator, High Temp Light, Oil Light, Clock.
Assistance Features:
On-demand AWD system automatically engages front wheels when rear wheels lose traction.
Connectivity Options:
N/A (This model does not feature modern electronic connectivity features).
Oil Change Interval:
Every 100 hours or annually (Specifics in manual)
Air Filter Cleaning:
Every 50 hours or as needed based on conditions (Specifics in manual)
Spark Plug Replacement:
Every 100 hours or annually (Specifics in manual)
Belt Inspection Interval:
Every 100 hours or annually (Specifics in manual)
Engine Oil Type:
Polaris PS-4 5W-50 Full Synthetic (Specifics in manual for alternative brands/viscosities)
Engine Oil Capacity:
Approx. 1.7 quarts (1.6 liters) (Specifics in manual)
Transmission Fluid Type:
Polaris AGL Synthetic Gearcase Lubricant (Specifics in manual for alternatives)
Transmission Fluid Capacity:
Approx. 12 oz (355 ml) (Specifics in manual)
Coolant Type:
Ethylene Glycol Based Antifreeze (50/50 mixture) (Specifics in manual)
Common Wear Items:
Drive belts (CVT), spark plugs, brake pads, suspension bushings, wheel bearings.
Potential Problems:
Carburetor gumming if not run regularly, potential for CV joint boot tears in harsh conditions, occasional starter solenoid issues. (Detailed troubleshooting in manual)
Brand Legacy:
Polaris Industries Inc. is a long-standing American manufacturer known for its off-road vehicles, including ATVs, snowmobiles, and side-by-sides.
Sportsman Lineage:
The Sportsman line has been a cornerstone of Polaris's ATV offerings, known for its comfort, versatility, and utility features. Models like the 300 and 400 represent entry-level to mid-range utility ATVs in the Polaris lineup.
Manufacturing Location:
Primarily manufactured in the USA by Polaris Industries.
