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Speaking of forks...

 

Forks drained and filled with the right amount of fluid, but while expanding and contacting the fork to get the air bubbles out, I found there is almost no resistance when compressing the fork and there is plenty when expanding it. Is this normal?? 15w Motul fork oil and the forks were rebuilt only a couple of years ago.
 

Is this with the springs not installed? The OEM damper rod will slow movement, particularly rebound¡ªthat¡¯s what the damper rod is for. Now if you¡¯ve put the springs back in and there¡¯s no resistance to compression . . . . well, that would be a problem!

Dan
 

15w is kinda thick..


On Wed, May 7, 2025, 2:01?PM Dan Muir via <djmuir22152=[email protected]> wrote:
Is this with the springs not installed?? The OEM damper rod will slow movement, particularly rebound¡ªthat¡¯s what the damper rod is for. Now if you¡¯ve put the springs back in and there¡¯s no resistance to compression . . . . well, that would be a problem!?

Dan
 

Switched to heavier because there was almost no resistance compressing forks ahead of oil change. They just bounce. I swear my last W was much more firm. Trying anything I can
 

I upped the oil as you have and applied an old trick of placing valve springs from a car on top of the existing fork spring - instant progressive springs for the princely sum of $0?
If you want to get fancy you can swap out springs from different cars high or lower engine performance to make it bespoke lol. Course they may be stuffed if you get them from a scrap yard but for this application its not a biggie - checking they are the same height with a steel rule on top and bina ny shorter?ones will do.



On Thu, 8 May 2025 at 12:54, drewwils via <drewwils=[email protected]> wrote:
Switched to heavier because there was almost no resistance compressing forks ahead of oil change. They just bounce. I swear my last W was much more firm. Trying anything I can
 
Edited

I have progressive springs :-/? My friends pushed down on my front end and it just went down with no work. Just bouncy. Also not able to ride over 65mph, otherwise death wobble comes on fast. The forks were rebuilt by a shop, progressive springs added.. and still no improvement.
 

Video showing no resistance pushing down with 15w oil.?

PXL_20250505_193842614.TS.mp4
PXL_20250505_193842614.TS.mp4

 

Did they forget to put the springs back in?? this sounds weird.


On Thu, 8 May 2025 at 13:43, drewwils via <drewwils=[email protected]> wrote:
I have progressive springs :-/? My friends pushed down on my front int and it just went down with no work. Just bouncy. Also not able to ride over 65mph, otherwise death wobble comes on fast. The forks were rebuilt by a shop, progressive springs added.. and still no improvement.
 

Also "Death Wobble" is really tyre/pressure sensitive - I also added a fork Brace - spendy but worth every penny.

Before - OEM tyres needing pressure - I'm going to die!
After frork brace and valve spring - weird scrambler tyres - 160k (indicated) bloody great this!!
Also added fairing - unusual japanese (webike one made of canvas) - looks OK, increases top end super impressed for about $100
Ding

On Thu, 8 May 2025 at 13:43, drewwils via <drewwils=[email protected]> wrote:

[Edited Message Follows]

I have progressive springs :-/? My friends pushed down on my front end and it just went down with no work. Just bouncy. Also not able to ride over 65mph, otherwise death wobble comes on fast. The forks were rebuilt by a shop, progressive springs added.. and still no improvement.
 

My 2001 had only 8k miles. I used 10w fork oil , added 7-16th flat washers to each fork compressing stock springs about 3/4". Rides fine...I wieght 200 lbs.


On Wed, May 7, 2025, 10:04?PM Ding via <vocationalassessment=[email protected]> wrote:
Also "Death Wobble" is really tyre/pressure sensitive - I also added a fork Brace - spendy but worth every penny.

Before - OEM tyres needing pressure - I'm going to die!
After frork brace and valve spring - weird scrambler tyres - 160k (indicated) bloody great this!!
Also added fairing - unusual japanese (webike one made of canvas) - looks OK, increases top end super impressed for about $100
Ding

On Thu, 8 May 2025 at 13:43, drewwils via <drewwils=[email protected]> wrote:

[Edited Message Follows]

I have progressive springs :-/? My friends pushed down on my front end and it just went down with no work. Just bouncy. Also not able to ride over 65mph, otherwise death wobble comes on fast. The forks were rebuilt by a shop, progressive springs added.. and still no improvement.

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