Sprint 1050 - Rear Shock Adjustment Seized

Discussion in 'Sprint & Trophy' started by Hubaxe, Sep 7, 2020.

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  1. Hubaxe

    Hubaxe Good moaning! aka Mr Wordsalad :)

    Mar 25, 2020
    1,693
    800
    Aix Les bains - French Alps
    Hi,
    I tried to adjust the rear shock, and it's stuck. I didn't want to apply too much force.
    Does that happened to anyone? I've sprayed some WD40 on, and will retry later.

    Any income on this issue welcome! Looks like this adjuster stayed untouched since 2005.
     
  2. Callumity

    Callumity Elite Member

    Feb 25, 2017
    3,358
    800
    Nr Biggar
    WD40 is ok but there are better penetrating oils. You will have some corrosion in there. White wine vinegar run down the threads and left for a few hours will dissolve rust.
    A long engineer’s screwdriver and tangential whack with a hammer should then get the collar moving.
     
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  3. Triumphal385

    Triumphal385 Active Member

    Mar 23, 2020
    134
    43
    South East
    I recently had exactly that issue. I used a hex socket and lightly applied anti-clockwise/clockwise rocking until it freed. Only took a few rocks. A screwdriver, was getting nowhere. Now it works correctly. Hope that helps.
     
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  4. Hubaxe

    Hubaxe Good moaning! aka Mr Wordsalad :)

    Mar 25, 2020
    1,693
    800
    Aix Les bains - French Alps
    I tried with a 8mm hex key. So far it's not moving, so I'll keep on spraying WD40 and try later
     
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  5. ChrisJHuff

    ChrisJHuff Well-Known Member

    Sep 2, 2020
    559
    93
    County Durham
    get some plusgas - better than WD... liberally spray and leave overnight... had seized plugs on my sprint RS - this did the trick although the pop sound when they finally released was bowel quiveringly worrying 8).... trick is to leave it to soak in and not rush out and try in 5 mins (speaking from experience here ) 8) worth a try anyway
     
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  6. Hubaxe

    Hubaxe Good moaning! aka Mr Wordsalad :)

    Mar 25, 2020
    1,693
    800
    Aix Les bains - French Alps
    Nothing moves.. I wonder if I should remove the white plastic collar before spraying oil?
     
  7. Macduff

    Macduff Well-Known Member

    May 21, 2020
    49
    63
    Aberdeen
    Any joy with this?

    I reckon if it's not moved in years, you'll be better stripping it off the bike otherwise you may end up breaking the mechanism
     
  8. ChrisJHuff

    ChrisJHuff Well-Known Member

    Sep 2, 2020
    559
    93
    County Durham
    sounds like time to look on Ebay for a S/H one
     
  9. Hubaxe

    Hubaxe Good moaning! aka Mr Wordsalad :)

    Mar 25, 2020
    1,693
    800
    Aix Les bains - French Alps
    It s really stick i just mounted a brand new stock made for me by Stock Factory I Aldo Asie the for an ajustable eight Gresy company To buy from
     
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