Target Audience:
Recreational riders, utility users, and professional mechanics working on Polaris ATVs.
Manual Authenticity:
Factory service manual, identical to what dealerships use. Authentic digital files, not scanned copies.
Delivery Method:
Instant download upon secure payment, eliminating shipping costs and wait times.
Primary Coverage:
Complete Service and Repair
Secondary Coverage:
Maintenance, Troubleshooting, Diagnostics
Estimated Pages:
Varies by specific factory publication, typically 500+ pages for a comprehensive service manual.
Type:
Factory Service Manual
Digital Format:
PDF / WinRAR (Compressed Archive)
Engine:
Detailed diagnostics, repair, overhaul, and tuning of the 400 H.O. engine.
Transmission:
Service and repair of the CVT (Continuously Variable Transmission) system, including belt inspection, clutch components, and gear reduction. Covers final drive servicing.
Drivetrain:
Comprehensive coverage of the final drive systems, including differentials, axles, and drive shafts.
Electrical:
Complete electrical system diagnosis, including ignition, charging, lighting, starter, and accessory systems. Includes detailed wiring diagrams.
Brakes:
Hydraulic brake system service, including caliper repair, master cylinder overhaul, bleeding procedures, and pad replacement.
Suspension:
Front and rear suspension service, including shock absorbers, control arms, bushings, and steering components.
Steering:
Steering system diagnosis, including tie rods, steering column, and any power steering assist components.
Body:
Bodywork repair, plastics, seat removal, and general chassis components.
Routine Maintenance:
Oil changes, filter replacements, spark plug service, air filter cleaning/replacement, lubrication points, and general inspection procedures.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues across all vehicle systems.
Repair Procedures:
Step-by-step instructions for disassembling, repairing, and reassembling major vehicle components.
Technical Specifications:
Torque values, clearances, fluid capacities, engine specifications, electrical system parameters, and more.
Engine Rebuild:
Detailed procedures for engine disassembly, component inspection (pistons, rings, cylinders, valves), and reassembly are included.
Electrical Diagnostics:
Comprehensive troubleshooting guides for electrical faults, including resistance readings, voltage checks, and circuit tracing using provided wiring diagrams.
Depth:
Comprehensive, factory-level detail suitable for professional technicians and experienced DIY mechanics.
Diagnostic Tools:
Specifies required special tools and diagnostic equipment for accurate repairs and adjustments.
Engine Type:
4-Stroke Single Cylinder
Displacement:
Approximately 398cc (Exact displacement may vary slightly by internal codes, but commonly referred to as 400cc).
Cooling System:
Liquid-cooled
Horsepower:
Manufacturer specifications for 2009 indicate around 25-30 HP (actual dyno figures may vary).
Fuel Delivery:
Typically fuel-injected (EFI) for the H.O. models of this era, though carburetor specifications might be included for regional variants or earlier configurations if shared.
Oil Type:
SAE 0W-40 or 5W-50 Synthetic ATV Oil (Specific part numbers and viscosity grades to be confirmed in the manual).
Ignition System:
Electronic Ignition (CDI or similar).
Dashboard Features:
Digital instrumentation cluster including speedometer, odometer, trip meter, fuel gauge, gear indicator, and warning lights.
AWD System:
Polaris's VersaTrac Automatic AWD (All-Wheel Drive) system, engaging front drive when rear wheels lose traction.
Accessories:
Pre-wiring for accessories like winches, lights, and auxiliary power outlets may be present. Manual covers electrical connections.
Oil Change:
Typically every 100 hours or 6 months, whichever comes first. (Refer to manual for precise interval and engine hours).
Air Filter:
Clean every 20 hours, replace as needed. (Interval may vary based on operating conditions).
Spark Plug:
Inspect every 100 hours, replace as needed. (Specific spark plug part number provided in manual).
Engine Oil Capacity:
Approx. 2.2 quarts (2.1 liters) of SAE 0W-40 or 5W-50 Synthetic ATV Oil. (Exact capacity to be verified in manual).
Coolant Type:
Ethylene glycol-based antifreeze (50/50 mix with distilled water). (Specific coolant type and capacity in manual).
Brake Fluid Type:
DOT 3 or DOT 4 Hydraulic Brake Fluid. (Verify specific requirement in manual).
Common Wear Items:
CVT belt wear, suspension bushings, wheel bearings, and brake pads are common wear items on ATVs of this age and type.
Diagnostics Focus:
The manual will guide users on diagnosing starting issues, performance problems, charging system faults, and CVT function.
Manufacturer:
Polaris is a well-established American manufacturer of powersports vehicles, known for its ATVs, snowmobiles, and motorcycles.
Sportsman Line:
The Sportsman line is Polaris's flagship utility ATV series, renowned for its comfort, independent rear suspension, and VersaTrac AWD system.
Model Year Significance:
The 2009 model represents a mature iteration of the Sportsman 400 platform, incorporating refinements and the 'H.O.' (High Output) designation for improved performance.