Category:
All-Terrain Vehicle (ATV), Utility ATV
Target Audience:
Owners, technicians, mechanics, DIY enthusiasts performing maintenance and repairs.
Key Competitors 2009:
Honda FourTrax series, Yamaha Grizzly series, Kawasaki Brute Force series, Can-Am Outlander series.
Vehicle Purpose:
Designed for off-road utility, work, and recreational trail riding.
Manual Value Proposition:
Empowers owners and technicians with the knowledge to maintain, diagnose, and repair the 2009 Sportsman 400 HO, saving time and money.
Vehicle Coverage:
All Models/Engines/Trims of the 2009 Polaris Sportsman 400 HO
Estimated Page Count:
Refer to specific manual for exact count, typically 300-600 pages for this type of comprehensive manual.
Manual Type:
Workshop Repair Service Manual
Digital Format:
PDF (Portable Document Format)
Powertrain:
Engine, fuel system, exhaust system, transmission (PVT), driveline, differentials.
Chassis:
Suspension (front and rear), steering, brakes, wheels, tires, frame.
Electrical:
Ignition system, charging system, lighting, starting system, instrumentation, wiring diagrams, accessory circuits.
Body And Trim:
Body panels, plastics, seat, storage compartments, guards.
Maintenance:
Scheduled maintenance checks, fluid changes, lubrication, filter replacements, battery maintenance.
Troubleshooting:
Diagnostic procedures for common and uncommon problems, fault code interpretation (if applicable).
Repair:
Step-by-step repair instructions for all major mechanical and electrical components, including disassembly, inspection, repair, and reassembly.
Overhaul Rebuild:
Complete engine rebuild procedures, transmission overhaul, suspension component replacement.
Depth:
Comprehensive. Covers basic maintenance to complete engine and transmission rebuilds. Includes detailed specifications, torque values, and diagnostic procedures.
Searchable Text:
Typically yes, for PDF downloads, allowing quick access to information.
Printability:
High resolution, designed for clear printing of text and diagrams.
Binding:
N/A (Digital Download - PDF)
Paper Quality:
N/A (Digital Download - PDF)
Engine Type:
4-stroke, SOHC, 1-cylinder
Displacement:
375cc (Approximate, varies slightly with bore/stroke specification)
Bore X Stroke:
Refer to manual for exact specifications (e.g., 84.5mm x 67mm)
Horsepower:
Refer to manual for exact dyno-tested figures, typically in the 25-30 HP range.
Torque:
Refer to manual for specific torque curve and peak values.
Fuel Delivery:
Electronic Fuel Injection (EFI) or Carbureted (Verify specific model for 2009 400 HO, likely EFI).
Cooling Method:
Liquid-cooled
Ignition Type:
CDI (Capacitor Discharge Ignition)
Oil Type:
SAE 5W-50 Synthetic (Verify with manual for specific Polaris recommendations)
Oil Capacity:
Refer to manual for exact capacity with filter change (e.g., ~2.1 L / 2.2 Quarts)
Transmission Type:
Automatic PVT (Polaris Variable Transmission) with Engine Braking
Drive System:
2WD/4WD Lockable, Shaft Drive
Optional Transmission:
N/A for 2009 Sportsman 400 HO
Gearing:
High, Low, Neutral, Reverse, Park
Pvt Fluid Type:
Polaris Angle Drive Fluid (for front differential) and specific PVT fluid/gear oil for rear differential. Refer to manual for exact part numbers and specifications.
Length:
Refer to manual for exact dimensions (e.g., ~207 cm / 81.5 in)
Width:
Refer to manual for exact dimensions (e.g., ~110 cm / 43.25 in)
Height:
Refer to manual for exact dimensions (e.g., ~122 cm / 48 in)
Front Rack Capacity:
Refer to manual for exact capacity (e.g., 90 kg / 200 lbs)
Rear Rack Capacity:
Refer to manual for exact capacity (e.g., 181 kg / 400 lbs)
Dry Weight:
Refer to manual for exact weight (e.g., ~290 kg / 639 lbs)
Towing Capacity:
Refer to manual for exact capacity (e.g., 657 kg / 1450 lbs)
Ground Clearance:
Refer to manual for exact specification (e.g., 28 cm / 11 in)
Atv Safety Standards:
Adheres to ANSI standards for recreational trail riding.
Braking System:
Hydraulic disc brakes (front and rear), handlebar and foot brake controls.
Parking Brake:
Integrated into rear brake system or lever lock.
Lighting:
Dual headlights, tail light, brake light.
Roll Over Protection:
N/A (Standard ATV design, helmet recommended)
Initial Service:
Break-in service typically recommended at 10-20 operating hours or 100-200 miles for oil change and filter inspection.
Engine Oil Change:
Every 100 operating hours or annually, whichever comes first. Refer to manual for exact intervals and conditions.
Air Filter Cleaning:
Inspect/clean every 25 operating hours or as needed based on dusty conditions. Replace annually or when damaged.
Spark Plug Replacement:
Refer to manual for recommended interval (e.g., 100-200 operating hours).
Drive Belt Inspection:
Inspect PVT belt condition and tension every 50 operating hours. Replace if frayed, damaged, or worn beyond specifications.
Coolant Type:
Ethylene Glycol based antifreeze/coolant (50/50 mix with distilled water recommended). Check manual for specific Polaris coolant part number.
Brake Fluid Type:
DOT 3 or DOT 4 Hydraulic Brake Fluid. Refer to manual for specific recommendation.
Common Wear Items:
PVT belt, suspension bushings, tie rod ends, wheel bearings, starter motor.
Potential Electrical Issues:
Battery terminals corrosion, stator output degradation (less common).
Engine Performance Tips:
Maintaining clean air filter, correct spark plug gap, and proper fuel system maintenance are critical for optimal performance.
Polaris Atv History:
Polaris has a long history in powersports, beginning with snowmobiles and expanding into ATVs in the late 1980s. The Sportsman line is one of their most popular and enduring ATV models.
Sportsman Line Development:
The Sportsman line is known for its comfort, independent rear suspension (IRS), and utility features, evolving over the years to incorporate new technologies and engine options.
Manufacturing Location:
Polaris vehicles are primarily manufactured in the USA, with key facilities in Minnesota and Iowa.
Industry Awards:
While specific awards for the 2009 400 HO might not be widely publicized, the Polaris Sportsman line consistently receives praise for its ride quality, comfort, and utility features in industry reviews and comparisons.
Consumer Ratings:
Generally positive for reliability and performance within its class, though owner reviews should always be consulted.
