2009-2012 Honda TRX420FA/FPA Rancher 4-Wheel ATV Repair Manual

2009–2012 Honda TRX420FA/FPA/FGA Rancher AT Coverage

• Covers 2009–2012 Honda TRX420FA, TRX420FPA, and TRX420FGA FourTrax Rancher AT models, including EPS and GPS navigation variants
• Original OEM publication, 605 pages
• Contains 47 detailed exploded-view diagrams, 16 wiring schematics, and 12 comprehensive torque specification tables
• Delivered as a direct download the moment payment clears
• Indexed PDF search covers every chapter and appendix
• This 2012 factory service manual serves as the primary technical reference for all 2009–2012 TRX420FA-series utility vehicles

Mechanical and Electrical Documentation

This 605-page factory service document provides technicians and owners with all necessary information to maintain the 2009–2012 Honda TRX420FA/FPA/FGA Rancher AT. The content is organized by vehicle system, including dedicated chapters for the PGM-FI fuel delivery system, liquid-cooled engine internals, and the dual-clutch automatic transmission. Each section includes system overviews, component removal sequences, and inspection criteria for mechanical parts.

Specification and Reference Data

Technical data is provided in standardized tables throughout the document, detailing precise wear limits and assembly tolerances. The engine oil capacity is specified at 3.6 liters for oil and filter changes, while the cooling system holds 1.5 liters. Torque values are explicitly documented; for example, the cylinder head nut is specified at 39 Nm. Reference values for the PGM-FI system are included, such as the idle speed set at 1,400 ± 100 rpm and injector resistance values of 11.6–12.4 ohms. An official 605-page Honda OEM service manual covering the 2009–2012 TRX420FA/FPA/FGA, documenting all engine, chassis, transmission, and electrical diagnostic specifications for the FourTrax Rancher AT series.

Document Reference: Original OEM manufacturer publication