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Discussion Starter #1
Hello

I've bought Wilbers springs to replace the OEM springs with progressive springs.
It's been quite easy to replace the spring in the right leg of the fork, as the fork is built as any other Ducati fork.

But, the left leg is built completely differently : it contains just a spring and no preload tube upon it.

I just can't understand how to dismount it, to replace the spring. I am quite sure I need a specific tool, but I find no information about it in the workshop manual.

Does anyone here know how to proceed ?

Here are two photos to show my "problem" :

 

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Special tool required - and some light machining if the "cartridge" is to be replaced.

Those forks were not designed to be taken down by conventional means.
 

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Send a PM to "SBKen" - he can give you more info.
 

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Here is an extract from a report Maxton Suspension have on the Scrambler. Whether you agree or not with their findings and solutions it may help you deciding how best to sort out the left leg issue.

upload_2015-9-1_18-40-31.png
 

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Discussion Starter #6
Hello
Here is an extract from a report Maxton Suspension have on the Scrambler. Whether you agree or not with their findings and solutions it may help you deciding how best to sort out the left leg issue.
I've been discussing with them and I also got this technical study. But, mainly due to the price of these aftermarket cartridge, I preferred to only change the springs, by Wilbers progressive springs. I could just one spring, in the right leg, and removed some oil (20 cm3) in each leg and it has already improved the fork behaviour.

So, I am looking for the solution to dismount the spring in the left leg.
 

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Vince , You need to remove the grub screw on the inside of the fork leg( in the alloy casting) you'll find it's been peened over, and it's a devil of a job to remove it ,because they've used loctite as well, you'll need to drill it out,
Once that's out you need to unscrew the chromed fork leg from the casting, Theres a screw on the end once you've removed it, that holds it all together,
On assembly use a new "O" ring , ducati don't sell them though,

If you want my advice, unless you have a well equipped work shop with some machining facilities, get a professional who's used to this type of work to do it for you ,
 

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Discussion Starter #8
Hello

Vince , You need to remove the grub screw on the inside of the fork leg( in the alloy casting) you'll find it's been peened over, and it's a devil of a job to remove it ,because they've used loctite as well, you'll need to drill it out,
Once that's out you need to unscrew the chromed fork leg from the casting, Theres a screw on the end once you've removed it, that holds it all together,
On assembly use a new "O" ring , ducati don't sell them though,
Not sure we are talking of the same operation : my concern is just to reach the spring, to replace it.
I got some answers from SBKen and other on a french forum, that make me think that this 4 holes cap can be unscrewed with a tool who would look like this :
 
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