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Thread: Rear shock, replace or rebuild? Who in the States has done it?

  1. #1
    apriliaforum Member
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    Rear shock, replace or rebuild? Who in the States has done it?

    My original Sachs shock has started acting up, specifically the preload adjuster.

    The whole things looks pretty crusty so probably time to rebuild or replace. Who in the States has done it? I know about Klaran in the U.K. doing the adjuster, but the shipping back and forth makes it not really worthwhile, and I think the entire thing needs replacing or rebuilding if I am going to spend any money at all.

    Wilbur?
    EPM/Hyperpro?
    Race Tech for rebuild?
    Other rebuilders?
    2001 Moto Guzzi V11 Sport, 2002 Aprilia Caponord, 1983 Moto Guzzi 850 LeMans III (sold), 1983 Yamaha 650 Turbo (sold), 1972 Honda CB750 (sold), 1981 Moto Guzzi V50 III (totaled), several Vespas and one Lambretta

  2. #2
    apriliaforum expert haga lout's Avatar
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    Can you not get the rr shock from af1 I know they had them at a good price

  3. #3
    apriliaforum expert Matt fe2o3's Avatar
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    I think those rally shocks went the way of the dodo - I should have bought one - but already had a good used spare (of course I did)....

    Ricor shocks down your way will make a new rear - you wont have the cartridge for preload. Probably the most cost effective way - unless one of the hoarders wants to part with one of the AF1 special sale Rally Raid shocks - and that may be an alternative.

    Rebuilding seems elusive - surely someone here has had it done?
    06' Caponord

  4. #4
    apriliaforum expert Stu_O's Avatar
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    Quote Originally Posted by Matt fe2o3 View Post
    Rebuilding seems elusive - surely someone here has had it done?
    I can repair the adjuster, but not the OEM shock. Anyone considering the Ricor might want to talk to Ravenranger first.

    Stu

  5. #5
    apriliaforum expert catfish's Avatar
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    Search for catfish & Penske to see my shock details.

    Works great once you learn good settings for you. Rebuild every 2 years if off-road.

    Catfish ...

    Sent from my Pixel using Tapatalk

  6. #6
    apriliaforum prov-nov GeM's Avatar
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    Maybe the next information can be interesting, as the guide-line ideas / experience,
    based on my "4 pcs. ETV1000 shocks collection" ( for my use only ).

    All 4 shocks are "repaired and improved / modified".

    Click image for larger version. 

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    Reparation means :
    - changed sealing element in the preload adjusting head
    - changed sealing elements in the "bottom cylinder cap"
    - oil change

    Improvement/modifications are:
    - "Nitrogen filling / exhausting" valve, hard-soldered on the
    cylinder top-section
    - spring preload ring between the spring preload head and spring
    designed for "user needed" minimum preloading
    - bottom end "rubber end-dumper" ( material and design change )

    Click image for larger version. 

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    Note :

    There are two types of rear shock available for / mounted on Capo's.

    The left side one on the picture is "Longer / harder" one, with
    - preload adjusting head mounted in the lower position ( by factory ),
    - thicker "bottom cylinder cap"
    - bottom spring plate anodised in “natural Al color”
    and it is obligate selection for "heavy loaded and overloaded Capo's..

    The right side one on the picture is "Shorter / soft" one, with
    - preload adjusting head mounted in the higher position ( by factory ),
    - thin "bottom cylinder cap" (anodised in “golden color” )
    - light-blue bottom spring plate anodisation
    and it is maybe the better selection for " light loaded " Capo's and/or drivers with "short legs".

    There is also the difference in upper mounting head
    ( different silencing rubber - metal rings dimensions ratio ).


    Shocks and implemented solutions are "tested" on the 150 000 km of my journeys on
    very heavy loaded ( overloaded - 250 kg load ! ) Capo.

    ( My Capo's journeys : except the European tours , 3 tours to Iran + 3 tours to Morocco +
    tours to Syria, Jordan, Egypt, Libya, Tunisia on "Persian and Arabic" side, tours
    to Ukraine , Crimea , Russia , Georgia , Armenia and Azerbaijan on the "Russian" side" , ... )

  7. #7
    apriliaforum Member
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    Quote Originally Posted by Matt fe2o3 View Post
    Rebuilding seems elusive - surely someone here has had it done?
    That's the hope. I want to retain the remote preload, but haven't found an aftermarket shock that does that. Waiting on reply from Race Tech.
    2001 Moto Guzzi V11 Sport, 2002 Aprilia Caponord, 1983 Moto Guzzi 850 LeMans III (sold), 1983 Yamaha 650 Turbo (sold), 1972 Honda CB750 (sold), 1981 Moto Guzzi V50 III (totaled), several Vespas and one Lambretta

  8. #8
    apriliaforum Member
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    Race Tech says they can do rebuild for about $235.00 or so with a 3- 4 day turnaround.

    Not so bad.
    2001 Moto Guzzi V11 Sport, 2002 Aprilia Caponord, 1983 Moto Guzzi 850 LeMans III (sold), 1983 Yamaha 650 Turbo (sold), 1972 Honda CB750 (sold), 1981 Moto Guzzi V50 III (totaled), several Vespas and one Lambretta

  9. #9
    apriliaforum Member bkmo's Avatar
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    Quote Originally Posted by JBBenson View Post
    That's the hope. I want to retain the remote preload, but haven't found an aftermarket shock that does that. Waiting on reply from Race Tech.
    I have the Wilbers on mine. love it. It has remote preload and also remote high and low damping. But it will cost you a lot more than a $235 rebuild.
    2002 Capo Wilbers rear shock, Wilbers front progressive springs, Metal fuel connectors, polaris sh775 series regulator direct wired, silicone vacuum lines, catfish map, CNC clutch slave, autoelectrics coils (2)sides, Triumph Denso 3990's centers, k&n air filter, all LED lighting, SS brake and clutch lines, Givi tall screen, Triumph tiger 955i mirrors, dual horns. Pure copper 4 gauge battery cables. Rox risers.

  10. #10
    apriliaforum expert ravenranger's Avatar
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    It took a couple of tries to get it right but I ended up being pretty happy with the Ricor. I do think it is less tiring on longer distances.
    2006 Caponord • 2006 crashed ST1300 • 1989 NX250
    IBA#22798 • AMA#601202

  11. #11
    apriliaforum expert Stu_O's Avatar
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    I only have experience with the OEM shock, a rebuilt adjuster, and a Hyperpro spring. I did this about 12 years ago when the bike had 13,000 miles. It now has almost 88,000 miles and has been perfect. The ride is fantastic. I know a lot of others have installed the Hyperpro spring on the original shock and have been well pleased with the result. Good bang for the buck.

    Stu

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