2001-2005 Polaris Sportsman 400 ATV Repair Manual

Technical reference spanning 2001-2005 Polaris Sportsman 400 models, this comprehensive service manual details operation, maintenance, and troubleshooting with specific procedures and diagrams.

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Document Details

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Document Number / Seller:
31973 / Sarah Allen
File Size:
221.62 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
ATV
Last updated / verified
Sep 4, 2025

Models Covered & Key Technical Specifications

Integrated Diagnostic Wiring Manual: ATV Polaris Sportsman 400 manual (2001-2005) Operations-Manual Polaris Sportsman 400 (2001-2005) Diagnostic Manufacturer Sourcebook | Suite

  • Designated Unit Dimensions: 92 mm bore determines the optimal cylinder capacity Architecture.
  • Primary DPI Rating: For optimal operation, 75 cc defines the baseline disc brake caliper capacity Framework.
  • Advanced Securement Values: The oil pump requires 1.89 L for standard operation Logic.
  • Design Clearance Data: For optimal performance, 0.0039 in. establishes the maximum clutch clearance Threshold.
  • Engineered Output Rating: Serviceable parts maintain 83 kPa for standard operation Benchmarks.
  • Certified Physical Specs: The PVT system requires 32 U.S. oz. for standard operation Range.

Professional Workshop Service Manual & Technical Specifications

Integrated Diagnostic Wiring Manual: ATV Polaris Sportsman 400 manual (2001-2005) Operations-Manual

Polaris Sportsman 400 (2001-2005) Diagnostic Manufacturer Sourcebook | Suite OEM specifications cover systems, procedures, and component details for the Polaris Sportsman 400, providing essential guidance for technicians and owners. This manual outlines all necessary maintenance schedules, fluid capacities, and torque specifications.

Metric Rating Calibration-Standards
Engine Oil 1.89 L (2 U.S. qts.) Specific Pressure Measurements
Transmission Oil 946.3 cc (32 U.S. oz.) Fluid Volume Standards
Front Gear Case 96 cc (3.25 U.S. oz.) Torque Specification Data
Coolant Approx. 2.16 L (2.25 U.S. qts.) System Capacity Data
Brake Fluid DOT 3 Fluid Type Specification
Grease All Season Lubrication Grade Standards

OEM specifications cover

Engine Systems Overview

This manual provides a complete overview of the engine's top-end components, including the cylinder head, camshaft, and rocker arm assembly. It details procedures for disassembly, inspection, and reassembly, ensuring proper engine function and longevity.

Fuel System Service

Comprehensively requiring fuel system service, this document details carburetor operation, cleaning, and adjustment. It covers the fuel tank, fuel pump, and air filter, providing essential guidance for maintaining optimal fuel delivery.

Engine Lubrication and Cooling

This manual details engine lubrication procedures, including oil changes and filter replacements. It also covers the cooling system, outlining coolant checks, radiator maintenance, and fan operation to prevent overheating.

Crankcase and Internal Components

It covers the disassembly and reassembly of the crankcase, crankshaft, and connecting rod. It also details piston and ring inspection and replacement, ensuring proper engine compression and performance.

Transmission and Drive Train Service

This manual details the service and overhaul procedures for the transmission, drive clutch, and drive belt systems. It covers inspection, maintenance, and replacement of all components to ensure smooth power delivery.

FAQ

Specify the **lubrication** requirements for the engine? keyboard_arrow_down

Polaris Premium 4 Synthetic 10W/40 or SAE 10W/40 motor oil is recommended for the engine oil. For the transmission, Polaris synthetic gear case oil (part No. 2871478) or Polaris front gearcase lube (part No. 2871653) is specified.

What is the **exact** testing parameter for the ignition coil? keyboard_arrow_down

The ignition coil primary resistance should be between 0.3 ohm and the secondary resistance should be 6.3K ohms when tested with an ohmmeter set at R x 1 and R x 1K respectively.

Calculate the **specific** diagnostic procedure for a flooded engine? keyboard_arrow_down

If the engine is flooded, open the throttle all the way and operate the starter. If the cylinder is severely flooded (fouled or wet spark plug), remove the spark plug, dry it, and reinstall it before attempting to start the engine.

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Reviews (4)

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This manual has been a lifesaver for my Polaris Sportsman. The troubleshooting section is especially good!
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The diagrams are clear, and the instructions are easy to follow. Highly recommend!
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Rated 4 out of 5 stars
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New
I received the download link almost immediately after purchase. Excellent service!