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V9 Suspension Thread

Discussion in 'V7/V85/V9 Chat & Tech' started by GT-Rx®, Mar 16, 2017.

  1. PasoDuc88

    PasoDuc88 Tuned and Synch'ed GT Famiglia

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    TweeZ4,

    Best I can measure gives me about 32 mm front sag and 20 mm rear sag (both laden). Still playing with the damping settings - I'll post more when I decide where I'm going to leave them.
     
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  2. GT-Rx®

    GT-Rx® Administrator Staff Member GT di Razza Pura

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    Careful. I set sag based on your weight, and balanced the valving front to rear. Doubt you'll make it better then what I gave it to you at. This comes from decades of road and race experience. ;)
     
  3. PasoDuc88

    PasoDuc88 Tuned and Synch'ed GT Famiglia

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    Glad you chimed in here, Todd! I haven't touched preload, and I've got the shocks back to where you set them, but do you happen to have a record of the front settings (or a best guestimate)?
     
  4. TweeZ4

    TweeZ4 Tuned and Synch'ed GT Famiglia

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    Hi! Given that front fork travel is 130 mm and rear wheel travel is 96mm, sag numbers 32mm and 20mm (front and rear respectively) look like too much preload, compared to what is stated as "target sag" in the first message of of this thread.

    Probably, your set up is not in contradiction with the idea of "sporty spirited riding", but definitely it is not for "comfortable plush relaxed cruising" :)

    However, I've made back to back test ride - my V9 (matris suspension) vs dealer's stock V7 iii and certainly I prefer Matris setup.
     
    Last edited: Aug 14, 2018
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  5. PasoDuc88

    PasoDuc88 Tuned and Synch'ed GT Famiglia

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    From what I understand, I think I'm actually at the lower end of sag. Regardless, I had the luxury of having Todd/GTM execute my set-up, so I'm not touching preload. However, I have - simply out of curiosity and the desire to learn a little more - played around with the rebound and compression damping...and I have yet to find better settings than what he gave it to me at. Nevertheless, the Matris components definitely seem to push the V9's ride more in the direction of "plush" performance rather than pure comfort.
     
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  6. emaxt6

    emaxt6 Tuned and Synch'ed

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    What about V9 bobber MY18 stock?
    Anyone that had set those progessive springs in preload?

    Of course it depends but what have you measured for the rear travel and loaded sag with your weight? optimal? What do you suggest here for the MY18 stock? any?

    please enlighten me? :):)
     
  7. GT-Rx®

    GT-Rx® Administrator Staff Member GT di Razza Pura

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    Can anyone that has a 2018 V9 let me know if the rear top shock mount looks like the pic below? Apparently it now looks like this for the 2018 models in Europe. Thanks.
    DSC_1688.JPG
     
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  8. emaxt6

    emaxt6 Tuned and Synch'ed

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    Seems so, Mine is MY 2018 , below
    I have still to attempt any sag tuning or measure... they are set now as delivered... seems reasonable though...
    Are they KYB apparently?

    upload_2018-11-26_18-39-49.png

    upload_2018-11-26_18-40-48.png

    upload_2018-11-26_18-38-22.png
     
  9. greer

    greer Just got it firing!

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    Todd,

    Are the GTM 2S Twin Shocks for the V9 still available? And if so, would it be advisable to order a set 1 inch longer than stock in order to increase ground clearance? Would a longer shock tend to stress the drive shaft components in some way? Thanks

    Sarah
     
  10. GT-Rx®

    GT-Rx® Administrator Staff Member GT di Razza Pura

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    Always best to email me direct on questions like this, as I don’t always catch every post. +20mm is an option, and is no issue on the driveline at all. Order online and I’ll be in touch for your info.
     
  11. greer

    greer Just got it firing!

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    Thank you!

    Sarah
     
  12. TweeZ4

    TweeZ4 Tuned and Synch'ed GT Famiglia

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    Does anybody know what is stock fork's spring rate (constant) for MG V9?
     

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