2005-2008 Honda TRX500FA Rubicon Service Manual (551 P.)

TRX500FA technical guide detailing engine, transmission, suspension, and brake systems. Complete service procedures, torque specifications, and component replacement instructions.

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Document Details

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Document Number / Seller:
24112 / Margaret Lewis
File Size:
16.82 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
ATV
Last updated / verified
Feb 23, 2025

Models Covered & Key Technical Specifications

Honda TRX500FA Rubicon — 2005–2008 Strategic Database for Rubicon Series Bundle.

  • Calibrated Displacement Data: 499 cc (30.4 cu in) is established at the engine cylinder volume Bounds.
  • Rated Compression Ratio: For optimal performance, 9.2 to 1 is standardized to the combustion chamber pressure Topology.
  • Critical Fuel Capacity: 15.8 liters (4.2 US gal) reaches the tank volume specification Matrix.
  • Universal Oil Capacity: The engine requires 4.4 liters (4.7 US qt) after draining represents the lubrication standard Standards.
  • Core Weight Data: Curb weight is established at 287 kg (632 lbs) for the complete vehicle Margin.
  • Standard Wheelbase Specification: Axle-to-axle distance specifies 1,286 mm (50.6 in) dimensional accuracy Protocol.

Professional Workshop Service Manual & Technical Specifications

Operational Training Manual: 2005-2008 Honda Rubicon TRX500FA Service Documentation Engineering-Archive

Documentation-Type: 2005-2008 TRX500FA/FGA Models // Repair-Classification: Comprehensive ATV Maintenance and System Procedures // Documentation-Type: 551-page factory technical resource with 29 chapters covering engine, transmission, and drive systems.

Document Scope Chapter Coverage Reference Materials
Engine Systems Cylinder head, valves, camshaft, lubrication, fuel, cooling Complete specifications and diagrams provided
Drivetrain Components Centrifugal clutch, alternator, sub-transmission, crankshaft, automatic transmission Assembly sequences and component data documented
Chassis & Suspension Front/rear wheels, suspension arms, steering, brake systems Service procedures and adjustment reference data included

The documentation provides guidance on comprehensive maintenance procedures for the TRX500FA Rubicon, presenting detailed information on cylinder head service with valve clearance reference data and camshaft specifications. System operation descriptions cover the centrifugal clutch assembly and automatic transmission (Hondamatic) configuration with control motor and angle sensor operation. The manual addresses the liquid-cooled engine architecture including radiator, thermostat, and water pump systems, with coolant capacity and pressure relief specifications documented.

Hydraulic schematics are included for the front brake caliper system, master cylinder assembly, and rear drum brake mechanism. Steering component information is provided for the double wishbone front suspension with tie-rod ball joints and steering shaft bearing assemblies. The document includes torque specifications for the frame-mounted engine, differential case mountings, and suspension pivot fasteners to ensure proper assembly stress control.

Assembly instructions are detailed for the sub-transmission shift forks and drum positioning, with gearshift lever linkage adjustment procedures and neutral position reference data. The manual documents the four-wheel drive (4WD) selectable system with front differential operation, limited-slip torque specifications, and backlash measurement procedures. Electrical system information covers the battery charging system, alternator output specifications, ignition timing marks, and electric starter operation with bearing and clutch assembly details.

Wiring diagrams illustrate cable and harness routing for the engine control module (ECM), transmission control motor, ignition system, and brake light switches. The document includes emission control system overview covering carburetor settings, crankcase breather routing, and air cleaner maintenance specifications. Service rules and specifications provide reference data for lubrication points, seal replacement intervals, and component clearance limits throughout the ATV chassis and powertrain systems.

FAQ

What are the **proper** clearance measurements for intake valves? keyboard_arrow_down

0.15 mm (0.006 in) is the standard valve clearance for intake valves at TDC on the compression stroke, requiring adjustment with a feeler gauge between the adjusting screw and valve stem.

Specify the **standard** torque for the centrifugal clutch lock nut. keyboard_arrow_down

118 N·m (12.0 kgf·m, 87 lbf·ft) is required for the centrifugal clutch lock nut, with oil applied to threads and seating surface, followed by staking into the crankshaft groove.

What is the **necessary** safety precaution for cylinder head service? keyboard_arrow_down

1,400 ± 100 rpm idle speed must be maintained during valve clearance inspection to ensure piston is at TDC on compression stroke, confirmed by slack in the rocker arm before any adjustments are made.

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Reviews (3)

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The download was seamless, and the support team was quick to respond to my questions. Highly recommend!
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Rated 5 out of 5 stars
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This manual has been a lifesaver for maintaining my Honda TRX500. The troubleshooting section is particularly useful!