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Discussion Starter #1
New Wilbers installed during last minute warranty work last week. Klaus and company did setup based on data I supplied, etc.

Overall they are superb! :) Felt a little soft on the way home from Atlanta. More air in tires (back up to 43ft 48r) and a few more turns on the rear compression dampener and I really liked the feel. :cool:

Except for one thing :eek: ----and that is the question in this post.

When hard over in a curve (and pushing it too frankly) The front tire did not feel completely solid as it lead into the curve. :( It felt something like it wanted to feather a little causing the handlebars to want to wobble a little. Not a solid feeling! :confused: .

Before installing the new shocks, I did not feel this new front end sensation.

Could this be in my setup?

I have the front rebound dampening as per Klaus indicated and I assume the rear rebound dampening is also as setup per him as the tech who installed said he did not change anything from the factory setup. I cannot check without removing rear plastic to access the shock and have not had time to do so yet. I did stiffen the rear compression dampening several additional clockwise turns beyond the tech's original setup as it felt soft and mushey to me and I do like something of a stiff ride as my other bikes seem to like this when in the twisties.

Could this be that I am simply not yet used to the new shocks?

Could this be an indication my factory steering dampener should also have been replaced along with the front shock? Is this stock steering dampener adjustable--I think it is not.......I simply did not feel this with the stock shocks, but then the stock shocks would not allow me to ride the LT this agressively before. Frankly I have seen LT's ridden far more agressively than I am capable of anyway, so I do not for a moment think I am pressing the bike's limits!

Possible bad assembly when putting the bike back together??

Anyone got any ideas??

Bike has 18.3K miles on it. Front and rear tires are Metz 881's with 6.3K miles on them--worn some but not worn out.

Thanks,

Tom
 

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Could the "wobble" maybe be your steering damper? It may have been on its way out and with the new shocks you are able to feel it now.
Just a rambling thought.
 

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Try going back to the setting the rear came with, just because it seemed to soft doesn't mean it is. By adjusting in some compression in the rear it could have made the front a little touchy. It doesn't hurt to try. To check the damper move your handlebars back and forth and see if you feel the drag of the damper. If you can feel the damper and it is not leaking then it's probably ok.
 

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dmatson said:
----------------------------To check the damper move your handlebars back and forth and see if you feel the drag of the damper. If you can feel the damper and it is not leaking then it's probably ok.
If you move the handlebars slowly, you will not feel the damper. Even if you move them fast, but a short move, you still will not feel it.

The way to see if the damper is working is to have someone sit on the back seat, or hold the rear of the bike down while it is on the centerstand. Then move the handle bars back and forth FAST. For the first couple inches of the bar tips, nothing happens, but then the damper kicks in and creates a lot of resistance to movement. You can move the bars lock to lock slowly and feel nothing.

The purpost of the damper is to be totally out of the circuit on slow wheel movements, and even very short fast movements, but it kicks in hard if the wheel moves fast beyond a few degrees.
 

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On my 05' even when your sitting on it if you move the handlebars side to side you can feel the damper, you do have to move them quickly.
 

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I have had Wilbers front and back for 60k miles now including a rebuild and fresh or worn, they don't do what you describe (2000 model, 102k miles). I have had the bike well over at all different speeds and the only issue I have found is a general rear-end wallow in high-speed corners. The bike, irrespective of the shocks, does get more twitchy in corners approaching its upper speed limit which is to be expected.
 

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Discussion Starter #8
Am going to check out all suggestions this weekend. I appreciate all the advice. If that does not fix the prob. I am going to call Klaus at Wilbers and Svc Mgr at dealership next week.

Tom :bmw:
 

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Discussion Starter #9
dshealey said:
If you move the handlebars slowly, you will not feel the damper. Even if you move them fast, but a short move, you still will not feel it.

The way to see if the damper is working is to have someone sit on the back seat, or hold the rear of the bike down while it is on the centerstand. Then move the handle bars back and forth FAST. For the first couple inches of the bar tips, nothing happens, but then the damper kicks in and creates a lot of resistance to movement. You can move the bars lock to lock slowly and feel nothing.

The purpost of the damper is to be totally out of the circuit on slow wheel movements, and even very short fast movements, but it kicks in hard if the wheel moves fast beyond a few degrees.
Steering damper test shows resistance just as described in the above quoted text. Don't know if damper is totally correct but there is significant resistance after first inch or two of travel left or right from center. I assume it is functioning correctly.

As suggested in a previous post, I decided that perhaps I had the rear shock compression dampening set too tightly, so I backed off it counter clockwise about 4 turns, leaving about eight turns clockwise from full off still on the damper. Now I have not had the time to run the same course I ran when I encountered the initial problem (see first post this thread), but I did run a similar course today, maybe a little slower, but still a spirited run.

Most of the ten or so miles in third gear running 50 to 60 mph with some reasonably sever lean angle, though not enough to scrap anything. Bottom line, with the decreased tension of the preload adjuster, I found the bike cornered very nicely and the front wheel jitter seemed to be gone. I intend to repeat this on the original course, but I think we have solved the problem. I learned that with the Wilbers, the rear can feel a little softer than I am used to and still corner nicely. I also learned that if I over tighten the preload, the front wheel grip and solid feel is compromised.

I appreciate the input guys. I hope this post helps others learn to better adjust their shocks as I am learning.

Tom :cool:
 
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