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Honda TRX450 Foreman Repair Manual 1998-2004

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  • Item Description
  • Table of Contents
  • Specifications

The 1998-2004 Honda TRX450 Foreman ATV repair manual by Clymer covers:

  • Honda TRX450ES, 1998-2001
  • Honda TRX450S, 1998-2001
  • Honda TRX450FE, 2002-2004
  • Honda TRX450FM, 2002-2004

Book Excerpt: 1998-2004 Honda TRX450 Foreman Repair Manual

TROUBLESHOOTING

MECHANICAL TROUBLESHOOTING

The selector drive clutch is available only as a unit assembly, except for the final drive pinion shaft and bearing contained in the clutch body.

If the drive clutch is faulty, check for possible damage to the final drive as well. Refer to Chapter Eleven.


DRIVETRAIN

An unusual noise is usually the first indication of a drivetrain problem. It is not always easy to diagnose the trouble by determining the source of the noise and the operating conditions that produce it.

Some clues to the cause may be gained by noting whether the noise is a hum, growl or knock; whether it is produced when the vehicle is accelerating under load or coasting; and whether it is heard when the vehicle is going straight or making a turn.

Drivetrain service procedures are covered in Chapter Eleven (front) and Chapter Twelve (rear).


ENGINE NOISES
  1. Knocking or pinging during acceleration can be caused by using a lower octane fuel than recommended or a poor quality of fuel. Incorrect carburetor jetting or a spark plug that is too hot can also cause pinging.

    Refer to Correct Spark Plug Heat Range in Chapter Three. Check also for excessive carbon buildup in the combustion chamber or a faulty ICM unit.

  2. Slapping or rattling noises at low speed or during acceleration can be caused by excessive piston-to-cylinder wall clearance. Check also for a bent connecting rod or worn piston pin and/or piston pin holes in the piston.
  3. Knocking or rapping while decelerating is usually caused by excessive rod bearing clearance.
  4. Persistent knocking and vibration or other noise is usually caused by worn main bearings. If the main bearings are good, consider the following:
    1. Loose engine mounts.
    2. Cracked frame
    3. Leaking cylinder head gasket
    4. Exhaust pipe leakage at cylinder head
    5. Stuck piston ring
    6. Broken piston ring
    7. partial engine seizure
    8. Excessive connecting rod small end bearing clearance.
    9. Excessive connecting rod big end side clearance.
    10. Excessive crankshaft run out.
    11. Worn or damaged primary drive gear

  5. A rapid on-off squeal may indicate a compression leak around the cylinder head gasket or spark plug.

TABLE of CONTENTS:
  • General Information
  • Troubleshooting
  • Lubrication, Maintenance and Tune-up
  • Engine
  • Clutch and External Gearshift Linkage
  • Transmission and Internal Shift Mechanism
  • Fuel and Emission Systems
  • Exhaust System
  • Electrical System
  • Wheels, Tires and Drive Chain
  • Front Suspension and Steering
  • Rear Suspension
  • Brakes
  • Body and Frame
  • Wiring Diagrams
Subject: 1998, 1999, 2000, 2001, 2002, 2003, 2004 Honda TRX450 Foreman service, maintenance, repair. ISBN-10: 0892878967 ISBN-13: 9780892878963 | Clymer M205

  • Publisher: Clymer Manuals
  • Pages: 418 - Hundreds of b&w photos and illustrations
  • Binding: Paperback - 7 x 10 inches
  • ISBN: 978-0-89287-896-3
  • Years: 1998 - 2004
  • Honda TRX450 Foreman Repair Manual 1998-2004
    $26.95
    5 Stars based on 1 Review(s)
    Keith hornung
    Gainsville New York
    5 Stars
    I would recommend this item to a friend.

    Very satisfied
    May 24, 2014
    Service was good
    Pros:
    Just what I wanted. Arrived promptly
    Cons:
    Could have sent e-mail when shipped