Yamaha YZF & WRF Performance Projects
 Yamaha's YZF and WRF models offer off-road motorcyclists state-of-the-art race performance and four-stroke power. The Yamaha four-strokes are some of the most popular choices for motocross, hare scrambles, enduro and desert racers, as well as trail and open track day riders.
Proper maintenance and modifications are crucial to winning on the track or simply setting up your bike to fit your riding style.
In Yamaha YZF & WRF Performance Projects, the crucial maintenance tasks and most valuable performance projects are covered in step-by-step fashion. The book includes:
- Suspension revalving
- Valve and cam servicing
- Jetting
- Changing ergonomics
- and much more!
Table of Contents
Acknowledgments | Introduction | Before you begin
Section One: Bike Setup
How to clean, jet and troubleshoot your carburetor by Eric Gorr | Setting up a stock suspension | New bike prep and break-in tips | Hour meter installation with maintenance chart | Gearing your bike | How to select and install the right tires | Relocating the hot start | YZF/WRF interchangeable parts | How to install grips
Section Two: Tire and Wheel Modifications
How to install aluminum guards | How to install heavy-duty inner tubes
Section Three: Engine Performance and Upgrades
Exhaust selection | Noise reduction and spark arrestors | High-compression pistons and performance cams | How to repack your silencer | How to install a clutch basket
Section Four: Suspension Modifications and Chassis Mods
Revalve and spring rates | How to grease suspension bearings | How to grease the steering head | How to install a steering stabilizer | Desert racing setup with Ty Davis
Section Five: Project Bikes
Supermoto YZ250F conversion by Scott Hoffman | Dual-sport transformation with Baja Designs | Doug Dubach's YZ450F | Yamaha of Troy YZ250F | Chad Reed and David Vuillemin's factory Yamaha YZF450s
Resources | Index
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