DOWNLOAD 2004 2005 TRX400 (TRX 400) FA / FGA Service Manual

Download DOWNLOAD 2004 2005 TRX400 (TRX 400) FA / FGA Service Manual


Service Reapir Manual Application: Honda 2004-2005 (04-05) TRX400FA (TRX-400-FA, TRX400-FA, TRX-400FA) Rancher AT & TRX400FGA (TRX400-FGA) Rancher AT GPScape.

Models covered by this manual are:
Rancher TRX400-FA – 4×4 with auto transmission
Rancher TRX400-FGA – 4×4 with auto transmission and GPS

This expert text service repair manual gives complete step by step information on maintenance, tune-up, repair and overhaul. This manual is highly detailed with hundreds of photos and illustrations to help guide you through every repair procedure. This ebook contains all you need to know to keep your Honda TRX400FA & TRX400FGA (TRX-400-FA or FGA) Rancher 400 running right and is the only service repair manual you will need to repair and service your TRX400FA or TRX400FGA Rancher 400. It will help you understand, care for, and lower the repair and maintenance cost for your Honda 2004-2005 TRX400 ATV for a overall improved satisfaction with your ownership.

To purchase this repair manual just click on the instant download button at the upper left hand corner of this page.

Covers complete tear down and rebuild, pictures and part diagrams, torque specs, maintenance, troubleshooting, etc. Everthing you need in this 517 page book. This is a simple pdf download delivered in pdf format. Works on all computers!

Some of the technical highlights of each chapter include: service information, specifications, troubleshooting, inspection, testing, part or parts removal, part or parts disassembly, replacement, assembly installation, exploded diagrams, specs and much more.





Engine Turns Over But Fails to Start

No fuel
Dirt in fuel line or filter
Fuel will not pass through fuel valve
Fuel pump inoperative/restricted
Tank vent plugged
Carb starter circuit
Engine flooded
Low compression (high cylinder leakage)
No spark (Spark plug fouled)

Engine Does Not Turn Over

Dead battery
Starter motor does not turn
Engine seized, rusted, or mechanical failure
Recoil components damaged

Engine Runs But Will Not Idle

Restricted carburetor pilot system
Carburetor misadjusted
Choke not adjusted properly
Low compression
Crankcase breather restricted
Air filter restriction

Engine Idles But Will Not Rev Up

Spark plug fouled/weak spark
Broken throttle cable
Obstruction in air intake
Air box removed (reinstall all intake components)
Incorrect or restricted carburetor jetting
ETC switch limiting speed
Reverse speed limiter limiting speed
Carburetor vacuum slide sticking/diaphragm damaged
Incorrect ignition timing
Restricted exhaust system
Cam Lobe worn

Engine Has Low Power

Spark plug fouled
Cylinder, piston, ring, or valve wear or damage (check compression)
PVT not operating properly
Restricted exhaust muffler
Carburetor vacuum slide sticking/diaphragm damaged
Dirty carburetor
Cam lobe worn

Piston Failure – Scoring

Lack of lubrication
Dirt entering engine through cracks in air filter or ducts
Engine oil dirty or contaminated

Excessive Smoke and Carbon Buildup

Excessive piston-to-cylinder clearance
Worn rings, piston, or cylinder
Worn valves, guides or seals
Restricted breather
Air filter dirty or contaminated

Low Compression

Decompressor stuck
Cylinder head gasket leak
No valve clearance or incorrectly adjusted
Cylinder or piston worn
Piston rings worn, leaking, broken, or sticking
Bent valve or stuck valve
Valve spring broken or weak
Valve not seating properly (bent or carbon accumulated on valve area)
Rocker arm sticking


ETC or speed limiter system malfunction
Fouled spark plug or incorrect plug or plug gap
Carburetion faulty – lean condition
Intake / Exhaust system air leaks
Ignition system faulty:
Spark plug cap cracked/broken
Ignition coil faulty
Ignition or kill switch circuit faulty
Ignition timing incorrect
Sheared flywheel key
Poor connections in ignition system
System wiring wet
Cam lobe worn or Valve sticking
Lean condition


Spark plug cap loose or faulty
Choke cable adjustment or plunger/cable sticking
Foreign material on choke plunger seat or plunger
Incorrect spark plug heat range or gap
Carburetor inlet needle and seat worn
Jet needle and/or needle jet worn or improperly adjusted
Excessive carburetor vibration (loose or missing needle jet locating pins)
Loose jets in carburetor or calibration incorrect for altitude/temperature
Incorrect float level setting
PVT system calibrated incorrectly or components worn or mis-adjusted
Fuel quality poor (old) or octane too high
Low compression
Restricted exhaust
Weak ignition (loose coil ground, faulty coil, stator, or ETC switch)
ETC switch mis-adjusted
Restricted air filter (main or pre-cleaner) or breather system
Improperly assembled air intake system
Restricted engine breather system
Oil contaminated with fuel
Restricted oil tank vent



Low coolant level
Air in cooling system
Wrong type of coolant
Faulty pressure cap or system leaks
Restricted system (mud or debris in radiator fins or restriction to air flow, passages blocked in radiator, lines, pump, or water jacket)
Lean mixture (restricted jets, vents, fuel pump or fuel valve)
Fuel pump output weak
Restricted radiator (internally or cooling fins)
Water pump failure
Cooling system restriction
Cooling fan inoperative or turning too slowly (perform current draw test)

TRX 400 Service Manual, TRX400 Repair Manual, TRX 400 Owner’s Repair Manual, Handbook, Book, TRX Service Manual Download pdf, 2004, 2005, Shop Manual, Workshop Guide, FA, FGA, 400FA, 400FGA, AT, Automatic, 4X4

You may also like...