Automotive Shock Absorbers
TTX46CS/TTX36
Owner’s Manual
Introduction
Öhlins Racing AB - The Story
It was the 1970’s, a young man named Kenth Öhlin spent most of his spare time pursuing his favourite sport: motocross.
A careful observer, Kenth’s attention was continually drawn to one specific detail - motocross bikes had more engine power than their suspension could handle.
It was not long before Kenth realised that better performance could be achieved by improved wheel suspension.
Öhlins Racing was established in 1976, and just two years later the company won its first World Championship title. Despite being in the business for 30 years, the search for perfection and new functions is still the main focus of the company.
Congratulations! You are now the owner of an Öhlins Shock Absorber. More than two hundred World Championships and other major world titles are definitive proof that Öhlins shock absorbers offer outstanding performance and reliability.
Every product has gone through rigorous testing and engineers have spent thousands of hours, doing their very best to use every possible experience from our 30 years within the racing sport.
The product that you now have in your possession is pure racing breed that is built to withstand.
By installing this shock absorber on your vehicle you have made a clear statement… you are a serious driver with a focus on getting the maximum handling ability and outstanding feedback from your vehicle. Along comes the fact that your shock absorber will be a long
lasting friend, delivering the very best of comfort and performance every time you go for a drive. Go explore!
Safety Precautions 
Note!
The shock absorber is a very important part of the vehicle and will affect the stability.
Read and make sure that you understand the information in this manual and the mounting instructions before you use this product. If you have any questions regarding installation or maintenance please contact your nearest Öhlins dealer.
Öhlins Racing AB can not be held responsible for any damage to the shock absorber, vehicle, other property or injury to persons, if the instructions for installing and maintenance are not followed exactly.
Warning!
This product was developed and designed exclusively for a specific vehicle model and should only be installed on the intended vehicle model in its original condition as delivered from the vehicle manufacturer.
The specifications for the particular shock absorber are results from tests run on a factory equipped vehicle. If wheel dimensions, springs and/or other chassis parts have been changed or modified, the clearances and vehicle stability can be affected.
This product contains pressurized nitrogen gas (N2). Do not open, service or modify this product without proper education (authorized Öhlins dealer/distributor) and proper tools.
After installing this product, take a test drive at low speed to make sure that your vehicle has maintained its stability.
If the suspension makes an abnormal noise, or the function is irregular, or if you notice any leakage from the product, please stop the vehicle immediately and return the product to an Öhlins Service Centre.
Safety Symbols
In this manual, mounting instructions and other technical documents, important information concerning safety is distinguished by the following symbols:
The Safety Alert Symbol means: Warning! Your safety is involved.
Warning!
The Warning Symbol means: Failure to follow warning instructions can result in severe or fatal injury to anyone working with, inspecting or using the shock absorber, or to bystanders.
Caution!
The Caution Symbol means: Special precautions must be taken to avoid damage to the shock absorber.
Note!
The Note Symbol indicates information that is important regarding procedures.
Note!
When working on this product, also read the Vehicle Service Manual.
This Manual should be considered a part of the product and should therefore accompany the product throughout its life cycle.
© Öhlins Racing AB. All rights reserved. Any reprinting or unauthorized use without the written permission of Öhlins Racing AB is prohibited. Printed in Sweden.
Contents
Introduction |
|
Safety Precautions |
|
Contents |
|
Design and Functioning |
4 |
Spring Preload |
8 |
Changing the Spring - TTX46CS |
9 |
Compression and Rebound |
10 |
Adjustment and Set-up |
|
Inspection and Maintenance |
13 |
Design and Functioning 
Congratulations on choosing the Öhlins TTX shock absorber - the most unique and powerful racing shock absorber available today. The TTX shock absorber design is the culmination of two decades of Öhlins successful participation in World Championship events.
This shock absorber draws on all the expertise developed by Öhlins while winning more than one hundred World Championship titles.
The Öhlins TTX features a patented concept with a unique concentric twin tube design, together with a solid main piston, that allows for the gas pressure to always back-up the lowpressure side of the main piston. This design creates positive pressure buildup on both compression and rebound stroke. As a result the TTX has a more direct damping response, less risk for cavitation and works with lower gas pressure.
Compared to a regular piggy back single tube shock absorber, that has positive pressure buildup only on rebound stroke and relies on compression valve resistance together with gas pressure to avoid cavitation on compression stroke, the TTX design is superior.
Also, the twin tube design with separate channels connecting the compression valve to the compression side of the main piston and the rebound valve to the rebound side of the main piston gives the possibility to have
completely separated adjusters for compression and rebound damping.
The whole system is pressurized by nitrogen gas behind a floating piston to ensure separation of the gas and fluid.
The Öhlins shim system offers infinite combinations of shim stacks with a wide spectrum of different character.
The Öhlins TTX shock absorber is a user friendly shock absorber, easy to set up, dial in and rebuild. Support is always available from the Öhlins distributors worldwide.
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