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Yamaha WR 400, WR 426, WR 450 repair manuals

Find the best Yamaha WR 400, WR 426 and WR 450 repair manuals here. Detailed step-by-step guides for easy DIY service and repairs on Yamaha motorcycles. Clear instructions for maintenance, troubleshooting, and parts replacement.

Yamaha YZ & WR 4-stroke Motocross & Off-road Bikes (1998-2008) | Haynes Service & Repair Manual

Haynes Service & Repair Manual for the Yamaha motocross models YZ and WR 4-stroke.

Versions:
- WR250F (249 cc, 2001-2008), WR400F (399 cc, 1998-2000), WR426F (426 cc, 2000-2002), WR450F (449 cc, 2003-2008)
- YZ250F (249 cc, 2001-2008), YZ400F (399 cc, 1998-2000), YZ426F (426 cc, 2000-2002), YZ450F (449 cc, 2003-2008).

This Haynes manual for the 4-stroke Yamaha YZ and WR motocross and off-road motorcycles provides photos and detailed step-by-step instructions for maintenance and repair of the engine, the clutch and the gearbox.
The cooling system, fuel system, ignition, exhaust, suspension, final drive and brakes are also covered.

  • Based on a complete strip-down and rebuild.
  • Includes a maintenance schedule, adjustment data, torque wrench settings, and troubleshooting tables.
  • Very clear and detailed wiring diagrams in colour for easy reference.
  • Contains also a brief model history.

Product details

Author:Alan Ahlstrand
Details:224 pages, 27 x 21 x 2 cm / 10.6 x 8.25 x 0.79 in, paperback
Illustrations:hundreds of photos and drawings
Publisher:Haynes Publishing (GB, 2015)
Series:Haynes Service & Repair Manual (2689)
ISBN:9781620922156

More information on the Haynes Repair Manuals

Cover repair manual Yamaha YZ & WR 4-stroke Motocross & Off-road Bikes (1998-2008)

Yamaha YZ & WR 4-stroke Motocross & Off-road Bikes (1998-2008)

Language: English

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Yamaha YZ 400F, YZ 426F/ WR 400F, WR 426F (1998-2002) | Clymer Service and Repair Manual

Clymer Manual for maintenance and repair of the Yamaha motorcycles:
- WR 400F (1998-2000)
- WR 426F (2001-2002)
- YZ 400F (1998-1999)
- YZ 426F (2000-2002).

This Clymer manual for Yamaha YZ 400F, YZ 426F, WR 400F and WR 426F off-road motorcycles describes service and repair of the engine, clutch and gearbox, the fuel and exhaust systems, the electrical system, and the cooling system.
Also covers the front suspension and steering system, the rear suspension and drivetrain, the brakes and the frame.

  • Step-by-step instructions, many photos and drawings.
  • Includes adjustment data, torque wrench settings, and troubleshooting tables.
  • Clear wiring diagrams.

Product details

Details:376 pages, 27.5 x 21 x 3 cm / 10.8 x 8.25 x 1.18 in, paperback
Illustrations:numerous photos and drawings
Publisher:Clymer (USA, 2004)
Series:Clymer Motorcycle Service and Repair Manual (M491-2)
ISBN:9780892879137

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Cover repair manual Yamaha YZ 400F, YZ 426F/ WR 400F, WR 426F (1998-2002)

Yamaha YZ 400F, YZ 426F/ WR 400F, WR 426F (1998-2002)

Language: English

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KTM Enduro 250 & 300 GS-EGS-EXC (1992-2000) / Yamaha WR 400F (1998-2000) | Revue Moto Technique RMT 117

Workshop manual from the French series Revue Moto Technique (RMT 117). Describes maintenance and repair of the:
- KTM Enduro 250 and 300 GS-EGS-EXC (1992-2000)
- Yamaha Enduro WR 400F (1998-2000).

  • This French repair manual for the KTM Enduro 250 and 300 GS-EGS-EXC / Yamaha WR400F Enduro motorcycles contains extensive chapters about the engine (including the carburettor or injection system, fuel system, cooling, lubrication and ignition), clutch and gearbox, the electrical system with the starter motor and alternator.
  • Also work on the front fork, steering column, suspension and brakes is covered in detail.
  • Complete with adjustment data, torque wrench settings and wiring diagrams.

Product details

Details:142 pages, 21 x 27 cm / 8.25 x 10.6 in, paperback
Illustrations:hundreds of photos and drawings
Publisher:ETAI (F, 2000)
Series:Revue Moto Technique (RMT 117)
ISBN:9782726891674

More information on the Revue Moto Technique manuals

Cover repair manual KTM Enduro 250 & 300 GS-EGS-EXC (1992-2000) / Yamaha WR 400F (1998-2000)

KTM Enduro 250 & 300 GS-EGS-EXC (1992-2000) / Yamaha WR 400F (1998-2000)

Language: French

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parts

Parts and accessories for your Yamaha WR

Through these links you can find not only service and replacement parts, but also various practical and useful accessories for your Yamaha WR.

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Last update: 05/04/2025