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KTM PDS Rebound Adjuster Issue's


KONFLICT MOTORSPORTS

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I wanted to take a moment and bring some issue's with the PDS equipped KTM's to light, share some tips on how to prevent the issue, as well the solutions we offer in house here at Konflict.

 

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The WP PDS shock has been around for a long time, and implemented on the KTM's since the early 2000's on both big and small bikes. If you own a 125-525/530/500 and 950/990 KTM Adventure's these are all equipped with a PDS unit dependent on the models.

 

The main issue we see is frozen rebound adjuster's due to a number of reasons.

 

Firstly it is a very poor design, and sealed in an improper place which allows moisture to enter the system. The main problem is that the shock clevis is made of aluminum and the rebound adjuster itself made of steel. Once a bit of moisture enters the system, it immediately starts to corrode. Adding to the poor design is the overall design of the rebound adjuster itself, it features a hour glass shape with threading on the far end (physically threads into the shock clevis) when you make rebound adjustments actuating the rebound needle which either raises or lowers when you are making adjustments.

 

With this delicate/sensitive design and most riders not adjusting their rebound all too often will typically end up with a frozen rebound adjuster dependent on where and how often they ride.

 

If you have your suspension serviced regularly most shops pull the rebound circuit apart, address any issues and apply anti seize as well pack the area with waterproof grease to help eliminate the issue.

 

If you are one who overlooks having their suspension service often, lives in an area you see a lot of moisture take a look at your rebound adjuster and check the condition.

 

The first item we would like to discuss is the replacement rebound adjuster housing we offer. This unit is anodized orange and features a o-ring seal against the back portion of the clevis creating a more controlled seal. There are other options available that seal in the front but they are relying on a sealing surface on threading. The OEM unit does not have any seal on the housing itself.

 

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This is a fairly simple install only requiring a 15mm wrench once the shock is removed from the bike.

 

Its imperative to check your clickers often and make sure they are balanced, as well ensuring they are operational.

 

Please ask any questions you might have.

 

More to follow.


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Great article, I have this issue with my 07 990 adv, was wondering if I could just undo the nut and replace it as a whole, glad there is a fix, I'll be getting in touch soon, thanks

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so all i have to do is replace this piece? it doesn't get into my oil or nitrogen when this is removed? sorry if this is a bad question but i have never been into a rear shock before and this seems like a fairly simple fix if it is not more involved than it appears

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