2004 Honda TRX400FA FourTrax AT ATV Owner's Manual (P/N 32HN7600 / 00X32-HN7-6000)

The 2004 Honda TRX400FA FourTrax AT owner's manual covers operation and owner maintenance for this recreational 400cc-class ATV. The back cover carries document codes 32HN7600 / 00X32-HN7-6000; the copyright is Honda Motor Co., Ltd., 2003.

Text search and navigation: PDF text search and embedded bookmarks are not available. The printed contents pages and index provide topic references.

• Drive modes and starting: AUTO and ESP operation, 2WD/4WD selection, electric and recoil starting, reverse operation, and transmission warning indications.

• Oil and filtration: Engine oil and filter replacement, front differential and rear gear case oil changes, and air-cleaner servicing.

• Engine adjustments: Throttle freeplay, choke cable checks, idle-speed and air-fuel mixture adjustment, spark plug inspection, and spark arrester cleaning.

• Brakes and chassis: Front drum brake adjustment, rear brake lever and pedal freeplay, shoe wear checks, water drainage, and driveshaft boot inspection.

• Electrical maintenance: Battery removal, charging and storage, main and circuit fuse replacement, and labeled fuse-box illustrations.

• Troubleshooting: Symptom tables for starting and running problems, transmission malfunction guidance, oil-temperature warnings, and flat-tire repair information.

This manual is suited to TRX400FA owners seeking operating guidance and those with basic mechanical skills performing the owner-maintenance tasks described.

Operational Overview and Controls

The controls section explains the multi-function display, gear position indicator, oil-change reminder, and handlebar-mounted shift switches. Component-location views identify the fuel valve, choke knob, ignition switch, and starting primer.

AUTO and ESP are selectable modes on the same ATV. Shifting-sequence illustrations accompany the operating instructions, while the 2WD/4WD section explains engagement and indicator behavior, including the return to 2WD when the engine is restarted. This helps distinguish normal drive-system behavior from a fault before planning a repair.

The sub-transmission warnings explain how moving the gearshift lever while the ATV is moving can damage that assembly.

Pre-ride checklists cover engine oil, tire pressure, and brake function. Loading and accessory guidance addresses cargo racks, the trailer hitch, towing loads, and tongue weight. Riding sections cover hills, slopes, obstacles, water crossings, and parking on steep inclines.

Always verify load limits and adhere to specified maintenance schedules before operating the vehicle.

Engine, Carburetor, and Lubrication Service

The service pages include an oil-filter assembly view, oil-level inspection drawings, fluid recommendations, refill capacities, and drain-plug and filter-bolt torque specifications. Honda warns that incorrect oil-filter installation can cause serious engine damage.

Air-cleaner coverage extends to foam-element cleaning and oiling, housing-cover orientation, and drain-tube servicing. Oil-filter replacement calls for the mechanical skills and additional tools specified in the manual.

Carburetor coverage includes throttle-stop and pilot-screw adjustment. A high-altitude reference table lists jetting and adjustment differences; jet-installation procedures are assigned to the separate Honda Shop Manual.

Valve-clearance specifications and symptoms of incorrect clearance are included, but valve-adjustment instructions are in that separate manual.

Drum Brakes and Tire Service

The front brakes use hydraulic drums; the rear brake is mechanically operated. Illustrations show front shoe-lining inspection and adjusters, plus the rear brake wear indicator. Brake bleeding and shoe replacement are referred to a Honda dealer.

Tire repair guidance distinguishes temporary trail repairs from permanent professional repairs. Emergency wheel removal and installation are documented with wheel-nut orientation and tightening specifications.

Starting Problems, Fuses, and Repair Scope

The starting tables separate a starter that does not operate from an engine that cranks without starting, then address poor running. Circuit Fuse Access illustrations identify the circuit fuses and spares; separate views locate the main and control-motor fuses.

Storage and transport sections cover carburetor draining, battery care, return-to-service checks, and vehicle tie-down locations.

This owner's manual contains maintenance procedures and basic fault checks. It does not include internal engine or transmission repair procedures or electrical wiring diagrams.

English PDF and Included Pages

One printable 235-page PDF in English: 225 numbered manual pages, nine opening pages covering the front cover, copyright, title, introduction, safety notes, and contents overview, plus one back cover. All cover and introductory pages are already included in the total; there are no separate supplements.