Rear ride sag.

Discussion in 'Crazy-Awesome almost Dakar racers (950/990cc)' started by rossguzzi, Mar 7, 2013.

  1. rossguzzi

    rossguzzi 990 Adv.

    Joined:
    Oct 21, 2012
    Oddometer:
    1,561
    Location:
    Bottom left hand side of OZ
    I just got my rear shock re built. It lost its oil. While off I got another spring fitted. The stock was too stiff for me.
    I would have liked to send it to Superplush but being in the land down under.......
    It`s come back and I now have same sag figures as before ! The spring used ( Eiback )1000.250.0750 These figures relate to free spring length, inside diam and Lbs/in rate. It is 5mm shorter, Cant get same length apparently ?

    Thing is it dosnt feel any less supple. The old used to be fairly harsh. 2 up last night it felt ok. I am 75kg wife is 60kg. He also used the same valving. Can anyone with rebuilding experience tell me if I have just wasted $$

    I have figures of fully extended 650
    bike only 640
    rider sag 590

    So a riders sag of 60 mm. I dont have a manual, so is this in range?

    Cheers.
    #1
  2. Boatman

    Boatman Membership has it's privileges ;-)

    Joined:
    Mar 9, 2005
    Oddometer:
    11,749
    Location:
    Petersburg, NY and Mill Spring, NC
    Maybe a stupid question but,,, did you try reducing the compression settings?
    #2
  3. rossguzzi

    rossguzzi 990 Adv.

    Joined:
    Oct 21, 2012
    Oddometer:
    1,561
    Location:
    Bottom left hand side of OZ
    Yes I have backed off com and reb to almost none. Also no pre load.

    Of coarse I havn`t ridden another one set up well, so its a bit hard to tell how mine really compares to a well set up one.
    #3
  4. Boatman

    Boatman Membership has it's privileges ;-)

    Joined:
    Mar 9, 2005
    Oddometer:
    11,749
    Location:
    Petersburg, NY and Mill Spring, NC
    Sounds to me you have the wrong spring and/or the valveing is incorrect for your weight. Valveing changes won't change sag measurements.

    IMO, you didn't like the way it felt before but had it rebuilt the same way so really nothing has changed. You should have experessed your concerns with the rebuilder and they could have changed the valveing and recommended a spring.

    Some good basic tuning...

    http://www.ktm950.info/how/Suspension%20Shop/siddall/siddall.html

    http://www.enduroeng.com/storage/pdfs/Suspension_Guide-Dec23-LOWRES.pdf

    Manuals here...

    http://www.ktm950.info/how/owners_manuals/owners_manuals.html
    #4