2001-2005 Honda TRX250EX Sportrax Service Manual

Diagnostic procedures and component service for the Honda TRX250EX Sportrax (2001-2005). Includes part numbers like C4085-91017 and detailed maintenance information. Publication C4085-91017.

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Document Details

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Document Number / Seller:
29503 / Stephanie Ramirez
File Size:
36.47 MB
File Type:
PDF
Language:
English
Pages:
306
Printable:
Yes
Category:
ATV
Last updated / verified
Apr 22, 2025

Models Covered & Key Technical Specifications

Integrated Training Manual: ATV Honda TRX250EX Sportrax - Factory Repair & Maintenance Reference (2001-2005) System-Standards

Honda TRX250EX Sportrax (2001-2005) (C4085-91017) -- 2001-2005 Diagnostic Procedures Dossier | Series Binder.

  • Reference Fastening Values: 10 mm (0.39 in) establishes the specified thread depth for the front wheel hub bolt.
  • Integral Threaded Fastener Data: For proper alignment, 22 N-m (16 lbf-ft) limits the torque on the gearshift return spring pin bolt.
  • General System Fill: For optimal operation, 1.6 liters (1.7 US qt, 1.4 Imp qt) represents the engine oil capacity at draining.
  • Essential Power Framework: The electrical system requires 12 V-8 Ah for battery capacity.
  • Baseline Throughput Data: The transmission has 5 speeds with reverse, which produces the maximum shifting efficiency.
  • Established Output Density: For accurate readings, 1,275 kPa (13.0 kgf/cm², 185 psi) is measured at 800 RPM for cylinder compression.

Professional Workshop Service Manual & Technical Specifications

Integrated Training Manual: ATV Honda TRX250EX Sportrax - Factory Repair & Maintenance Reference (2001-2005) System-Standards

Subsystem-Focus: Honda TRX250EX Sportrax // Documentation-Type: ATV / Sportbike Logic // Design-Core: 2001-2005 Service Manual.

Assessment-Element Technical-Path Calibration-Spec
Engine Specifications Core Component Data 1.6 Liters Engine Oil Capacity
Performance Metrics Dynamic Throughput Analysis 5-Speed Transmission &
Reverse
Chassis Dimensions Structural Integrity Metrics 32 mm Front Tire Size
Electrical System Power Delivery Architecture 12V 8 Ah Battery Capacity
Braking System Hydraulic Force Application DOT 4 Brake Fluid Spec
Fuel System Air Intake & Carburetor Specs 20 mm Throttle Bore Diameter

Engineering chapters address the following systems and components: Engine, Frame/Body Panels, Exhaust System, Maintenance, Lubrication, Fuel System, Cylinder Head/Valve, Cylinder/Piston/Camshaft, Clutch, Gearshift Linkage, Alternator/Starter Clutch, Crankshaft/Transmission, Front Wheel/Suspension/Steering, Rear Wheel/Brake/Suspension, Hydraulic Disc Brake, Rear Driving Mechanism, Battery/Charging System, Ignition System, Electric Starter, Lights/Switches, Wiring Diagram, and Troubleshooting. This manual details maintenance procedures, component specifications, and diagnostic information.

Specifically, installation guidelines are provided for the engine mounting bushings. Maintenance guidelines are included for the front suspension and steering components. OEM guidelines are included for proper torque specifications for various fasteners to ensure proper corrosion joint prevention. Transmission service information covers the gearshift spindle and reverse stopper shaft. HVAC system procedures are included for the cooling system components. This manual documents torque specifications for critical components to ensure proper torque for corrosion joint prevention.

FAQ

Calculate the **precise** pressure specifications for the tire cold pressure. keyboard_arrow_down

30 kPa (0.30 kgf/cm², 4.4 psi) is the standard cold tire pressure for the front, and 20 kPa (0.20 kgf/cm², 2.9 psi) for the rear.

What values indicate **proper** assembly sequence for the clutch components? keyboard_arrow_down

88 N·m (9.0 kgf-m, 65 lbf-ft) and 79 N·m (8.1 kgf-m, 59 lbf-ft) are the torque values for the clutch drum lock nut and change clutch lifter plate bolt, respectively.

Assess the **standard** service interval parameters for engine oil and filter. keyboard_arrow_down

Initial maintenance is recommended every 100 hours or 1,500 km (1,000 mi), with regular maintenance at 200 hours or 2,000 km (1,200 mi) for engine oil and filter changes.

What components are **necessary** for the ignition system architecture? keyboard_arrow_down

The ignition system includes a spark plug (DPR8EA-9 or X24EPR-U9), ignition coil peak voltage (100V minimum), and battery.

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Reviews (2)

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I found this service manual extremely helpful. It covers everything you need for the TRX250EX, from basic to advanced repairs. The email download link was sent promptly, and the customer service was very professional and supportive.
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New
This manual is a lifesaver! The detailed procedures made it easy for me to handle maintenance tasks that I thought were beyond my skill level. The download process was quick and hassle-free, and support was very responsive when I had questions.