2004-2007 Honda TRX400FA & TRX400FGA Service Manual

Honda FourTrax Rancher TRX400FA and TRX400FGA troubleshooting and repair reference for 2004-2007 models. Documents diagnostics and procedures. PN 07ZA0-MJ40100

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Honda Models Covered & Key Technical Specifications

Models: Honda TRX400FA, Honda TRX400FGA
Sub-models / Variants: FourTrax Rancher AT, FourTrax Rancher AT GPScape
Trade Names: FourTrax Rancher
Build Years: 2004–2007
Serial Numbers: 07ZA0-MJ40100
Technical Data:

  • Engine type: Single cylinder, longitudinally installed OHV
  • Engine displacement: 397 cc
  • Cooling system: Air cooled
  • Transmission type: HONDAMATIC (automatic; non-stage speed) with sub-transmission
  • Drive system: Selectable 4WD
  • Battery capacity: 12 V, 12 Ah
  • Alternator capacity: 0.32 kW at 5,000 rpm
Technical Specifications
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Document Number / Seller:
30019 / Stephanie Rogers
File Size:
50.87 MB
File Type:
PDF
Language:
English
Pages:
513
Printable:
Yes
Category:
ATV
Last updated / verified
Sep 26, 2025

Honda Manual Features & Content Preview

Honda TRX400FA & TRX400FGA 2004–2007 Service Scope

  • Covers 2004–2007 Honda TRX400FA and TRX400FGA FourTrax Rancher AT variants including GPS-equipped models
  • Official Honda OEM publication 07ZA0-MJ40100
  • Contains 513 pages of technical data, engine assembly procedures, and component removal illustrations
  • Stored against your account so you can retrieve it after a hard-drive loss
  • Full-text search finds any part number in seconds
  • This 2004–2007 edition documents the HONDAMATIC transmission logic and specific GPS navigation meter functions unique to the FGA trim level

Component Documentation

The 2004–2007 Honda TRX400FA service manual provides detailed information on frame and body panel removal, exhaust system maintenance, and lubrication system diagnostics. Chapters detail engine removal, cylinder head, piston, and crankshaft service, while electrical system sections cover the charging circuit and ignition timing requirements. Sub-transmission and HONDAMATIC system operation are thoroughly documented for professional technician reference. Maintenance how factory workshop documentation is structured ensures consistency across the entire 2004–2007 FourTrax Rancher line.

Specification Highlights

Torque values for engine hangers are specified at 54 N·m, while the crankshaft runout limit is documented at 0.05 mm. Valve clearance for both intake and exhaust is set to 0.15 mm at a cold engine state. The oil pressure relief valve operates within the front crankcase cover, with specified pressure checks at 1,400 and 4,000 rpm. The TRX400FA oil pump rotor tip clearance is documented at 0.15 mm standard. All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work.

An official 513-page Honda OEM workshop manual covering the 2004–2007 TRX400FA and TRX400FGA, documenting engine, chassis, electrical, and HONDAMATIC drive system specifications for the complete 07ZA0-MJ40100 build.

Manual FAQ, Purchase & Download Details

Is there a reference table for fluid capacities and recommended oil types in the document? keyboard_arrow_down

Manual includes a lubrication system specifications section that lists engine oil capacities for various service conditions along with the recommended oil standards.

Can I find component breakdown diagrams or exploded views of the machine in this PDF? keyboard_arrow_down

Most sections in this manual contain assembly or system illustrations to show how components are grouped. These visuals serve as detailed reference guides for the various systems covered.

Does this manual cover both the Honda TRX400FA and TRX400FGA models for the 2004 to 2007 year range? keyboard_arrow_down

Document specifically references the TRX400FA and TRX400FGA models as part of the service manual scope.

Are there wiring diagrams or connector pinout references included for the electrical systems? keyboard_arrow_down

Document contains a dedicated section for wiring diagrams as well as a section for lights, meters, and switches. These sections include specification tables that list essential electrical values.

Which formats and access options are available for this service manual? keyboard_arrow_down

Product is provided as a downloadable PDF file that can be accessed instantly after payment. It is designed for use on standard PDF-compatible devices and provides lifetime access to the 513-page reference file.

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