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Old August 3rd, 2013, 09:48 AM   #1
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Question Adjusting Hyperstrada rear shock

Hi there,

I've been driving a Yamaha XJ6 where I could adjust the spring preload only. First I drove with the setting of 3 and over the months I brought it up to the max of 7 (hardest) for curve stability. After 4 days of driving I realized that the setting on the Strada is too soft now, too. I weigh approx. 90 kg. So I went out and wanted to adjust it a bit.
Now I have the options to change the preload and the rebound damping. So far so good. I'm wondering about a few things: When I play around on the reb-damping I can merely turn it any harder than 1 - 2 revolutions more. So I wanted to play around on the preload. But strangely, besides feeling the clicks every half revolution, I can turn it towards the harder settings endlessly, I turned it about 10 full times and wonder if I do sth. wrong. My intention was to find the hardest setting and turn back from there.
Can anyone explain me this and how it will affect the behaviour?
As far as I understand it, the spring preload is the stiffness, responsible for how strongly I get feedback from bumps and how hard the ride will be in general. The rebound damping is for how fast the shock will move back towards it's original position after a bump or being compressed, so in general I get better feedback from the street when the damping is higher? Please someone explain me, I'm a bit confused about the interplay of both.

Cheers

Martin
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Adjusting Hyperstrada rear shock-rearshock.jpg  
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Old August 4th, 2013, 11:40 AM   #2
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The shock has lots of adjustment on preload. I have turned it all the way in to ride 2up. I and my wife are about 140 kg. When I am alone, I back off about 5 or 6 clicks (half turns) and my weight is about 84 kg.
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Old August 4th, 2013, 07:55 PM   #3
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trust me, you'll find the end. Thought the same thing first time I twisted to stiffen up. I've been riding 5-7 clicks from full stiff for a while but last fast on ramp I took hit some rough pavement with moderate lean at about 80 mph and got a nasty wave-like bounce going, like when front is tucking inside and back is bouncing outside in slow rolling bounce. It settled out when I straightened up and let off throttle.

Was I just outriding the suspension or do I need to adjust the rear?
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Old August 5th, 2013, 11:17 AM   #4
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Hi

I have learned some about setting up suspension during my years with the Multistrada 1100, by reading on the Internet.

To set up your suspension you have to set the rider sag properly.
As the front suspension is not possible to adjust, I just talk about the rear.

First the spring
The rider sag = R1-R3. (Se picture)
Commonly suggested 25-33% of available travel.
The travel for the HS (both front and rear) is 150 mm => Rider sag should be between 38-50 mm.
Turn the pre-load adjuster to archive the proper value. If the bike feels to stiff, increase the sag value.
Easy to do :-)

Then the rebound damping
This is a little bit tricky and maybe has to be adjusted depending of your driving style.
If you push the rear end of the bike down and then release, it should return to upper position within a second or half a second.
To long time and you get a bumpy ride, to short time and the bike will be unstable. You have to test this by yourself.

How is my HS setup?
I am quite heavy (105 kg)
Front rider sag is 52, just over max. (can not be adjust)
Rear rider sag is 60, 10 mm over max (standard). I have short legs and can barely reach the ground with my feet as it is, so no adjustment here.
Rebound damping 1.5 turns out from fully closed (standard).
Despite the fact that my set-up is not correct according to "the book", my bike works perfectly.

Adjusting Hyperstrada rear shock-sag.jpg
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Old August 6th, 2013, 02:33 AM   #5
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I thought i'd adjust my rear shock from factory setting the other day and found that there was no pre-load set at all, It did wind in a lot before it got to maximum, I just backed it off to approx half way. need to try it now.
1st service was carried out and the latest software was installed.
80.00 for the service but i supplied the oil.
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Old August 6th, 2013, 09:16 PM   #6
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It takes about 17 full turns from no preload to maximum.
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Old July 5th, 2015, 05:11 AM   #7
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Is there actually a stop at the top and bottom end of the preload adjustment? I have never found it if there was...
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Old July 5th, 2015, 07:15 AM   #8
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Yup, there are stops at both ends, both min and max. As someone else said, I wind it pretty close to max if i'm two up or carrying lots of gear on a road trip.
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Old July 5th, 2015, 07:24 AM   #9
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Quote:
Originally Posted by Strider View Post
Is there actually a stop at the top and bottom end of the preload adjustment? I have never found it if there was...
yes, if you turn it clockwise until full preload, you have to turn about 17 full turns (as stated above) or about 33 clicks (1 click is a half turn of the knob).
Contrary - 33 clicks from full preload to full open. You will regonize full open as the knob turns easier when full open reached (have not found a stop at full open, because i stop to turn when it gets easy).

I way about 80 kg and have preload 10 truns clockwise freom full open alone, and with my wife additional 16 turns.

for real fast and hard driving i need some turns more in both loadsituations.


rebound i have -1.3 turns alone and -0.3 with 2 persons (-1.5 truns is rebound full open, measured from cclosed position, as per manual).
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Old February 12th, 2016, 05:42 PM   #10
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Martin, you are not alone who is confused about suspension on this bike )
I wonder what to do if I want play with bike height I would like reach max. possible so bike is higher closer to the Hypermotard. This is other thing Hyperstrada vs Hypermotard height.
Is it only the seat what make different .. anybody know ? I just bought Hypermotard 2015 seat and doesn't really feels higher. In store when I seat on Hypermotard I feel higher then on mine with Hypermotard seat.
Thanks
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