Yamaha YZ & WR 4-Stroke Motocross & Off-road Bikes 1998 - 2008 Service & Repair Manual (M2689)

Complete coverage for your Yamaha YZ and WR 4-Stroke Motocross & Off-road Bikes for 1998 thru 2008:

--Routine Maintenance and servicing

--Tune-up procedures

--Engine, clutch and transmission repair

--Cooling system

--Fuel and exhaust

--Ignition and electrical systems

--Brakes, wheels and tires

--Steering, suspension and final drive

--Frame and bodywork

--Wiring diagrams

--Reference Section

With a Haynes manual, you can do it yourself…from simple maintenance to basic repairs. Haynes writes every book based on a complete teardown of the vehicle. We learn the best ways to do a job and that makes it quicker, easier and cheaper for you. Our books have clear instructions and hundreds of photographs that show each step. Whether you're a beginner or a pro, you can save big with Haynes!

Step-by-step procedures

--Easy-to-follow photos

--Complete troubleshooting section

--Valuable short cuts

Yamaha 4-stroke Motocross Bikes 1998-2008

Models

WR250F 249cc 2001-2008

WR400F 399cc 1998-2000

WR426F 426cc 2000-2002

WR450F 449cc 2003-2008

YZ250F 249cc 2001-2008

YZ400F 399cc 1998-2000

YZ426F 426cc 2000-2002

YZ450F 449cc 2003-2008

Engine Petrol: 4-stroke 249cc, 399cc, 426cc, 449cc

PLEASE NOTE that this manual is intended for vehicles built to US specifications. Although it is useful when the products or systems are similar to those in other markets, there may still be significant differences, especially in areas concerned with safety and emission control.

All Bikes covered:

Make

Yamaha

Model

WR250
WR400
WR426
WR450
YZ250F
YZ250F FX
YZ400
YZ426F
YZ450F

Year

1998 - 2008

This manual's year range represents the years of coverage available when the manual was written. The vehicle or machine's production years may extend beyond these dates.

Sub-Model

Enduro

Engine

250F Petrol (G321E)
WR250F Petrol (G322E)
WR250F Petrol (G333E)
WR250F Petrol (G343E)
WR250F Petrol (G356E)
WR400F Petrol (H304E)
WR400F Petrol (H308E)
WR400F Petrol (H309E)
WR426F Petrol (J309E)
WR450 Petrol (J326E)
WR450F Petrol (J314E)
WR450F Petrol (J321E)
YZ400F Petrol (H303E)
YZ426F Petrol (J306E)
YZ450F Petrol (5XD)