Yamaha YZF400F, YZ426F, WR400F, WR426F Repair Manual 1998-2002

SKU: M491-2
Yamaha YZF400F, YZ426F, WR400F, WR426F Repair Manual 1998-2002
Yamaha YZF400F, YZ426F, WR400F, WR426F Repair Manual 1998-2002
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Item Description

The 1998-2002 Yamaha YZF400F, YZ426F, WR400F, WR426F motocross and off-road bike repair manual by Clymer, covers the following models:

  • Yamaha YZ400F, 1998-1999
  • Yamaha YZ426F, 2000-2002
  • Yamaha WR400F, 1998-2000
  • Yamaha WR426F, 2001-2002

Book Excerpt: 1998-2002 Yamaha YZF400F, YZ426F, WR400F, WR426F Repair Manual

LUBRICATION, MAINTENANCE AND TUNE-UP

THROTTLE CABLE ADJUSTMENT

To achieve accurate cable adjustment, the cables must not bind or drag. Make sure the engine idle speed is correct before adjusting the cables.

The pull cable opens the throttle, while the return cable closes the throttle. At the throttle, the pull cable is at the rear and the return cable is at the front.

  1. Determine the throttle grip free play as shown in Figure 36. If the free play is more or less than 3-5 mm (0.12-0.20 in.), adjust the cable as described in the following steps.
  2. Remove the throttle cable cover at the right side of the carburetor.
  3. On the return cable:
    1. Loosen the cable locknuts (A, Figure 37).
    2. Turn the cable adjuster (B, Figure 37) in or out to remove all free play at the throttle grip.
    3. Tighten the cable locknuts.

  4. On the upper (pull) cable:
    1. Loosen the cable locknuts (C, Figure 37).
    2. Turn the locknuts in/out until free play is achieved.

  5. When adjustment is correct, tighten the locknuts and reinstall the throttle cable cover.
  6. Turn the handlebars from side to side and check for binding. Correct if necessary.

COOLING SYSTEM
WATER PUMP HOUSING

The water pump is located in the right crankcase cover (Figure 11). To inspect the condition of the impeller or water passages, the outer housing can be removed without removing the crankcase cover.

However, to service the seals or bearing, the right crankcase cover must be removed.

REMOVAL AND INSTALLATION

Remove and install the water pump assembly as described in the following procedure. (Refer to Figure 12).


Subject: 1998, 1999, 2000, 2001, 2002 Yamaha YZF400F, YZ426F, WR400F, WR426F service, maintenance, repair. ISBN-10: 0892879130 | ISBN-13: 9780892879137 | Clymer M491-2

Specifications
  • Publisher: Clymer Series / Haynes Manuals
  • Pages: 358 - Hundreds of b&w photos and illustrations
  • Binding: Paperback - 7 x 10 inches
  • ISBN: 978-0-89287-913-7
  • Years: 1998 - 2002
Table of Contents
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 Drivetrain
  • Front Suspension and Steering
  • Rear Suspension
  • Brakes
  • Body and Frame
  • Wiring Diagrams
Questions & Answers about Yamaha YZF400F, YZ426F, WR400F, WR426F Repair Manual 1998-2002

Questions & Answers about Yamaha YZF400F, YZ426F, WR400F, WR426F Repair Manual 1998-2002

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Yamaha YZF400F, YZ426F, WR400F, WR426F Repair Manual 1998-2002
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