2006-2011 Honda TRX250EX / TRX250X Service Manual

Troubleshooting, parts diagrams, and service data for engine, transmission, clutch, brakes, suspension, and final drive systems. 371-page comprehensive technical reference.

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Honda Models Covered & Key Technical Specifications

Models: Honda TRX250EX, Honda TRX250X
Sub-models / Variants: 2006–2007 (A, CM, U types), After 2007 (A, CM, U types)
Build Years: 2006–2011
Technical Data:

  • Engine displacement: 229.2 cc (14.0 cu-in)
  • Engine type: Single cylinder, longitudinally installed, OHV
  • Transmission: Constant mesh, 5-speed with reverse
  • Clutch system: SportClutch (centrifugal and wet multi-plate)
  • Compression ratio: 9.2:1
  • Idle speed: 1,400 ± 100 rpm
  • Fuel tank capacity: 10.2 liters ('06–'07), 9.5 liters (After '07)
  • Cylinder compression: 1,275 kPa (185 psi) at 800 rpm
  • Front suspension: Double wish-bone, 150 mm travel
  • Rear suspension: Swingarm, 145 mm travel
Technical Specifications
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Document Number / Seller:
25205 / Margaret Rogers
File Size:
36.54 MB
File Type:
PDF
Language:
English
Pages:
371
Printable:
Yes
Category:
ATV
Last updated / verified
May 5, 2025

Honda Manual Features & Content Preview

Honda TRX250EX and TRX250X Technical Service Documentation

  • Covers 2006–2011 Honda TRX250EX and TRX250X ATVs, including 2006–2007 and post-2007 regional variants
  • Official Honda factory publication for the TRX250 model series
  • Includes 124 exploded-view diagrams, 18 detailed electrical schematics, and comprehensive torque specification tables
  • Stored against your account so you can retrieve it after a hard-drive loss
  • Indexed PDF search covers every chapter and appendix
  • Full-text search finds any part number in seconds
  • Laid out for standard letter and A4 printing
  • This service reference is the primary documentation for the air-cooled 229 cc longitudinal engine and the SportClutch transmission system used across the 2006–2011 production run

Engine and Chassis Maintenance Data

The 2006–2011 Honda TRX250EX service manual provides detailed technical information for the maintenance of the longitudinal-mount single-cylinder power unit. Chapters detail the lubrication system, including oil pump clearance and relief valve operation, alongside the fuel system, which features the PDC1G carburetor assembly with specific main and slow jet identification. The transmission section explains the SportClutch system, detailing centrifugal and multi-plate clutch components, gear ratios for the 5-speed box, and shift fork tolerances.

Specification Previews

Detailed specifications within this document cover critical clearances and pressures for professional service. Valve clearance for the intake is listed at 0.13 mm in the cylinder head specification table. Cylinder compression for the 2006–2011 Honda TRX250 series is documented at 1,275 kPa at 800 rpm. The fuel tank capacity varies by model year, with 10.2 liters specified for 2006–2007 units and 9.5 liters for those built after 2007. For more in-depth knowledge of how factory workshop documentation is structured, users may refer to our informational guides. Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions.

An official 371-page Honda OEM workshop manual covering the 2006–2011 TRX250EX and TRX250X, documenting engine, chassis, electrical, and fuel-injection specifications for the 229 cc platform.

Manual FAQ, Purchase & Download Details

Which major systems and mechanical components are covered in the various sections of this service manual? keyboard_arrow_down

Manual is organized into sections that cover the engine, fuel system, lubrication system, and drive train. Additional chapters include detailed sections for the chassis, suspension, braking system, and the electrical system.

Are there approximately 371 pages of technical information contained in this document? keyboard_arrow_down

Service manual for the specified ATV models contains 371 pages of service information.

Is there documentation available for torque specifications, cable routing, and exploded views within the service manual? keyboard_arrow_down

Document contains comprehensive specification tables that list standard torque values and engine frame torque data. It also includes sections for cable and harness routing, lubrication and seal points, and system illustrations. These reference categories provide technical data without requiring specific manual procedures.

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