2001-2006 Honda TRX300EX Sportrax 300EX ATV Service Manual

Repair guide for all TRX300EX Sportrax 300EX configurations, covering maintenance, engine, fuel system, and electrical components. Publication C4085-91017.

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Document Details

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Document Number / Seller:
25450 / Charles Taylor
File Size:
75.55 MB
File Type:
PDF
Language:
English
Pages:
321
Printable:
Yes
Category:
ATV
Last updated / verified
Dec 26, 2025

Models Covered & Key Technical Specifications

Detailed Overhaul Manual: ATV Precision Diagnostics: Honda TRX300EX Sportrax 300EX ATV service manual (2001-2006) Workshop-Compendium

Documentary Reference | Collection. Engineered Assembly Torques: 12 N-m is standardized to the primary drive gear bolt torque Specifications. Design Specific Temperature Range: For optimal operation, 16 N-m determines the spark plug torque Baseline. Documented Liquid Volume: 1.55 liter -- signifies the engine oil capacity Range. Principal Play Limits: The valve stem O.D. requires 5.45 mm for proper functioning Parameters. Advanced Fastener Specs: 39 N-m establishes the torque value for cylinder head bolts Benchmarks. Primary Operational Speed: Maximum throughput reaches 100 RPM Requirements.

Professional Workshop Service Manual & Technical Specifications

Detailed Overhaul Manual: ATV Precision Diagnostics: Honda TRX300EX Sportrax 300EX ATV service manual (2001-2006) Workshop-Compendium

Conceptual-Layout: 2001-2006 Honda TRX300EX Sportrax 300EX // Performance-Values: ATV / Sport ATV Logic // Engineering-Metrics: Service manual.

Integrated-Framework Value Calibration-Standards
Model Identification TRX300EX Sportrax 300EX 2001-2006
Engine Type 4-stroke Single-Cylinder
Displacement 282 cc Not Applicable
Fuel System Carburetor Keihin
Transmission 5-speed manual with reverse

Engineering chapters address engine overhaul, transmission service, and electrical system diagnostics. This manual details procedures for disassembly, inspection, and assembly of major ATV components. OEM guidelines are included for common maintenance tasks, ensuring proper vehicle function. Transmission service information covers clutch and gearshift linkage repair. Torque specifications are documented for critical engine and chassis fasteners to ensure structural integrity prevention. Parts identification is covered for all assemblies, aiding in part selection and replacement. This Technical specification document offers valuable insights into the ATV's construction and maintenance requirements.

This manual documents torque specifications for engine mounts to ensure proper structural misalignment prevention.

FAQ

Check the **standard** component identification for the drive chain slack. keyboard_arrow_down

35-45 mm (1-3/8 - 1-3/4 in) is the specified range for drive chain slack, ensuring optimal performance and longevity.

What does the **necessary** adjustment procedures cover for the steering shaft holder? keyboard_arrow_down

20 N-m (2.0 kgf-m, 15 lbf-ft) is the specified torque for the steering shaft holder bolts, essential for maintaining steering stability.

Reference the **recommended** pressure specifications for the cold tire pressure. keyboard_arrow_down

30 kPa (0.30 kgf/cm², 4.4 psi) is the recommended cold tire pressure for optimal handling and rider comfort.

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Reviews (3)

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This manual has everything you need to keep your ATV in top shape. The troubleshooting section is particularly helpful. Downloading it was smooth and the support team was very responsive!
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I found this manual to be incredibly detailed. The torque specifications helped me a lot. The download process was seamless and the customer service was quick to assist with my inquiries!
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The service manual was a lifesaver for my TRX300EX. The step-by-step procedures made repairs straightforward. I received my download link via email almost instantly!