Race Tech Rear Monoshock - Rebuild or Replace?

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  • JMHJ
    Forum Mentor
    Super Site Supporter
    • Dec 2022
    • 119
    • Central U.S.

    #1

    Race Tech Rear Monoshock - Rebuild or Replace?

    On my '97 Kawasaki ZX-11, old installation.

    Any opinions about that? I've never messed with suspension stuff. It's got a "remote reservoir"(?) under the seat, where the damping is controlled. I heard something about 175psi of nitrogen needed. I might have access to some nitrogen bottles at work, where I could do that, but otherwise that's beyond me.

    Idk if the factory setup was similar, with the separate reservoir or not. Just going back with a factory shock (used?) could be an option too, but the front forks are also Race Tech, and Idk if mixing parts like that is a good idea.

    I'm so ignorant about suspension issues that I might not have noticed or known about an issue, but PO(s) (father and son) told me they thought it needs to be rebuilt. I have noticed it's a little wonky in curves when the pavement isn't smooth. And it's the roughest riding bike I've ever had. (I REALLY need to check the tire pressure; it's beyond foolish that I haven't done that yet...).

    Anyway, thanks for thoughts. I haven't tried to contact Race Tech yet, to see what the options are as far as rebuild.
  • RichDesmond
    Forum Sage
    Past Site Supporter
    • Jul 2011
    • 2757
    • NoVa

    #2
    Those are decent shocks. Worth sending it to R-T for a rebuild.

    Typically on remote reservoir shocks the rebound adjustment is on the reservoir, the compression adjuster is on the shock body.
    '20 Ducati Multistrada 1260S, '93 Ducati 750SS, '01 SV650S, '07 DL650, '01 DR-Z400S, '80 GS1000S, '85 RZ350

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    • dorkburger
      Forum LongTimer
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      • Jan 2013
      • 10770
      • Stupid Freehold Boro NJ

      #3
      Was the PO a big guy? If so, maybe he had the spring weights , etc set up for his weight. I did a few rides on my brothers Ninja 1000 back in the day, and don't recall it being overly harsh.
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      • JMHJ
        Forum Mentor
        Super Site Supporter
        • Dec 2022
        • 119
        • Central U.S.

        #4
        Originally posted by RichDesmond
        Those are decent shocks. Worth sending it to R-T for a rebuild.

        Typically on remote reservoir shocks the rebound adjustment is on the reservoir, the compression adjuster is on the shock body.
        Sounds expensive... PO said it was a "gold" something (gold valve probably).

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        • JMHJ
          Forum Mentor
          Super Site Supporter
          • Dec 2022
          • 119
          • Central U.S.

          #5
          Originally posted by dorkburger
          Was the PO a big guy? If so, maybe he had the spring weights , etc set up for his weight. I did a few rides on my brothers Ninja 1000 back in the day, and don't recall it being overly harsh.
          No, the son wasn't; maybe 170. I'm 240. Not sure about the dad, who had the bike most of it's life, but I don't think so.

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          • RichDesmond
            Forum Sage
            Past Site Supporter
            • Jul 2011
            • 2757
            • NoVa

            #6
            Originally posted by JMHJ

            Sounds expensive... PO said it was a "gold" something (gold valve probably).
            "Gold Valve" is just Race-Tech's name for their fork and shock valving cartridges. I'm guessing $250-300 or so for a rebuild. Money well spent.
            '20 Ducati Multistrada 1260S, '93 Ducati 750SS, '01 SV650S, '07 DL650, '01 DR-Z400S, '80 GS1000S, '85 RZ350

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