Polaris Sportsman 300 & 400 HO Service & Repair Manual 2009 Comprehensive Guide
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Sample pages from the Polaris Sportsman 300 & 400 HO Service & Repair Manual 2009 Comprehensive Guide manual
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Models Covered & Key Technical Specifications
- Polaris Sportsman 300 (2009)
- Polaris Sportsman 400 H.O. (2009)
Professional Workshop Service Manual & Technical Specifications
2009 Polaris Sportsman 300 / 400 H.O. Service Reference (Model & Engine-ID Gated)
Fit comes down to the model/engine IDs
Coverage is split cleanly between 2009 Sportsman 300 and 2009 Sportsman 400 H.O., with separate model-number and engine-model identifiers so you can match the correct chassis/engine pairing before relying on specs, charts, or subsystem sections.
Quick-check highlights you can verify immediately
Sportsman 300 model numbers: A09LH27AX, A09LH27AZ
Sportsman 400 H.O. model numbers: A09LH46AQ, A09LH46AX, A09LH46AZ
Engine model anchors: ES300PFE012 (300) / EH460PLE020 (400 H.O.)
VIN location note: lower frame rail, front LH side
Engine serial location: top center of crankcase beneath cylinder + recoil housing sticker (RH side)
General chapter layout: identification, specifications, publication numbers, and system-specific chapters
Key identifiers on a fast scan
Publication section lists Owner’s Manual and Parts Manual part numbers per model-year entry.
Engine designation text distinguishes air-cooled single (300) vs liquid-cooled single (400 H.O.).
Specification pages include full dimension/weight/capacity blocks for each model.
Detailed spec pages include jetting/clutch charts tied to the specific engine model number.
Electrical and drivetrain baselines are provided as spec tables, not just narrative notes.
Rack/towing/load ratings are listed in the general specification pages.
Technical snapshot (spec-style comparison)
| Spec anchor | Sportsman 300 | Sportsman 400 H.O. |
|---|---|---|
| Displacement | 299 cc | 455 cc |
| Bore × stroke | 77.7 × 63 mm | 87.9 × 75 mm |
| Compression ratio | 9.2 : 1 | 10.1 : 1 |
| Dry weight | 550 lb (250 kg) | 598 lb (271 kg) |
| Alternator output | 250 W @ 6000 RPM | 250 W @ 6000 RPM |
Configuration gates that prevent mismatches
Model-number formatting is explicitly shown for both machines (A09LH27A vs A09LH46A), and the engine-model identifiers are different across the two platforms (ES300PFE012 vs EH460PLE020). Those ID gates are reinforced by cooling-system differences (air/oil vs liquid cooling) and distinct ignition timing baselines listed in the spec tables.
Reference depth across the major system blocks
Beyond general identification and specs, the contents map spans maintenance scheduling, lubrication/product references, and system chapters organized around engine, fuel/air intake, transmission/front gearcase, cooling (400 H.O.), CVT/final drive/wheel & tire, and electrical/ignition. The front pages also include standard torque specification charts and conversion tables for quick reference across units.
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