Yamaha FZR400 1988-1989, Service Manual

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2
Introduction
Thank you for choosing FOX Racing Shox for your motorcycle. In doing so, you have chosen the
number one shock absorber in the industry! All FOX Racing Shox products are designed, manufactured
and assembled by the finest professionals in the industry. You need to be aware of the importance of
setting up your new shock correctly to ensure maximum performance. This manual will provide you
with step-by-step instructions on how to set up your shock.
Table of Contents
FOX RACING SHOX History ....................................................................................................................3
General Information.....................................................................................................................................3
Warranty ......................................................................................................................................................3
Valving Warranty.........................................................................................................................................4
Optional Springs ..........................................................................................................................................4
Service..........................................................................................................................................................4
Methods of Payment ................................................................................................................................4
Replacement Parts........................................................................................................................................4
Methods of Shipping....................................................................................................................................4
Return Policy ...............................................................................................................................................4
International Orders .....................................................................................................................................5
Disclaimer ....................................................................................................................................................5
Installation and Basic Set-Up Instructions...................................................................................................5
Shock Length Adjustment / Ride Height Adjustment (If equipped) ......................................................5
Setting SAG / Spring Preload ..................................................................................................................5
Damping Adjustment (if equipped) .........................................................................................................7
Tuning Instructions ......................................................................................................................................7
Spring Preload..........................................................................................................................................7
Ride Height / Shock Length Adjustment (if equipped) ...........................................................................7
When to adjust Ride Height vs. Spring Preload ..................................................................................8
Damping...................................................................................................................................................9
Summary of Damping Solutions............................................................................................................10
Maintenance Checklist...............................................................................................................................11
Other Maintenance Considerations........................................................................................................11