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Note!
All motorcycles are designed with a suspension geometry
that includes height and fork angle. Changing components
(for example a shock absorber) can affect this and it is
therefore essential that both the front and the rear ends
match each other. Changing to Öhlins suspension gives
optimum performance only when both the front fork and the
rear suspension interact properly. It is very important that
the front and the rear loaded heights are within the
specified values.
Note!
The springs in combination with the Öhlins shock absorbers
contribute to superior stability and traction. See the Öhlins
Recommendation List by contacting your nearest Öhlins
dealer.
Warning!
If there are no matching springs for your motorcycle model,
use the original springs, however, they must be in good
condition and not fatigued.
FGK kits and Piston kits
Öhlins Racing also produces
complete Racing Cartridge Systems, for front forks, as well
as piston kits to upgrade your front fork to a higher
performance level.
Warning!
Before riding, always ensure that the basic settings made
by Öhlins are intact. Take notes, adjust in small steps and
make only one adjustment at a time.
Warning!
Incorrect spring rate may result in a front geometry that is
either too steep or too flat. This can result in a tendency
of under or over steering, that could seriously affect the
handling characteristics of the motorcycle.
Compression and Rebound Damping
Note!
When riding with a passenger or changing the load, the
spring preload must be adjusted for proper function and
vehicle balance. First, check the headlight angle by placing
the vehicle about 5 m from a wall, with the rider in normal
riding position. Turn on the headlight. Mark the centre of the
light on the wall with a piece of tape. When you have a
passenger or when you put packing on the vehicle, the
headlight angle will be too high. Adjust the spring preload
until the headlight angle is the same as before but with the
passenger or extra load on the bike.
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Set Up for Ohlins Shock Absorber
or Front Forks After Installation
GO OUT FOR A TEST RIDE
Warning!
Before riding, always ensure that the basic settings made by Öhlins are intact. Take notes, adjust in small steps and make only one adjustment at a time.
General tips:
- Always begin your setting by taking a test ride with all adjustments at their recommended basic setting.
- Choose a short run of varying character, for example with long as well as sharp bends, hard as well as soft bumps.
- Adjust only one setting at a time. Go out for a new test ride.
- Take notes so that you can easily go back to an earlier setting if necessary.
Adjustments
Most Öhlins shock absorbers for motorcycle are equipped with spring preload, compression and rebound adjusters. The TTX44 also has a CSC adjuster. Due to limited space in some vehicles it is not possible to have all adjusters in certain models.
A deeper understanding for the different types of adjustments will give you a good knowledge of how you can get better performance from your Öhlins shock absorber.
When you adjust the spring preload, you move the spring seat. This will lower or raise the ride height.
Compression damping controls the energy absorption when the shock absorber is being compressed, thus controls how easy the shock absorber compresses when you hit a bump.
Rebound damping controls the energy absorption when the shock absorber is being extended and, thus controls how fast the shock absorber returns to its normal position after being compressed.
The Chassis Stability Control (CSC) adjuster (TTX44 models only) controls the average damping for both compression and rebound at slow movements. the adjuster is especially designed to control the chassis movements of the vehicle.
When you setup your bike you need to do it together with the front fork and on all types of tracks that you want to optimize, there are no setups that will be 100% perfect on all tracks, you will need to compromise.
Keep priority at:
safe feeling
stability
comfort
This will allow you to ride safer and use less energy.
Recommended Adjustment Range
±5 clicks from original (basic) setting.
Rebound Damping
If you have got a good feeling for the bike with spring, preload and the ride height feels ok but the bike runs low and packs down under acceleration bumps, with lost line and/or lost comfort and traction, open the rebound adjuster two [2] clicks.
If the bike is nervous and moving a lot or has a high feeling entering corners, close the rebound adjuster two [2] clicks. Fine tune one [1] click at the time.
Test run and make the necessary adjustments. For original rebound setting see the Mounting Instructions for your shock absorber.
Compression Damping
If the bike feels soft, unstable, is using too much wheel travel and you have the perfect spring for you; close the compression adjuster two [2] clicks. This will control the wheel during acceleration more, plus, it will help ride height and falling through the stroke too quickly.
If the bike feels high, has bad grip at throttle opening and feels unsmooth over small or medium bumps during acceleration; open the compression adjuster two [2] clicks. Test run and make necessary corrections.
When you have sufficient feel of the motorcycle you can make further fine adjustments. It is feeling and experience that counts.
When you feel that you have achieved an improvement, go back to where you started and check once more. Note other relevant factors such as tires, temperature etc. Test run to make sure whether further fine adjustments should be made.
Troubleshooting
Problem Try This
If the vehicle feels:
- Unstable Increase rebound damping
- Loose Increase rebound damping
- Bouncy Increase rebound damping
If the vehicle feels:
- Hard Decrease rebound damping
- Bumpy Decrease rebound damping
If the vehicle feels:
- Soft Increase compression damping
- Low Increase compression damping
- Bottoming Increase compression damping
If the vehicle feels:
- Harsh Decrease compression damping
- Hard Decrease compression damping
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