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14 fzs prop question

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  • 14 fzs prop question

    I know there are alot of questions about prop or impellers which ever is the correct term but I can't find what I'm looking for so my ski bounces off rev limiter when I take off at wot but at once it gets moving it stops and at full speed it never hits limiter can i pitch my stock prop to fix this is so how much? And I have riva free flow exhaust ,riva cold air kit,crankcase breather, and son that's all
    sigpic2014 fzs svho current mods riva engine breather, riva fresh air kit,riva free flow exhaust,scom,sealed intake grate top speed according to gps 76.1

  • #2
    Sounds like you have a cavitation problem.

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    • #3
      This is very common with your set up. I had the same thing so I sent my impeller to Jim @ Jim’s Performance and he pitched it correctly for my set up and RPM.
      2015 FZS Black/Blue SCOM, Ribbon Delete, TJ Exhaust Mod, Riva Air Intake, R&D Intake grate, Solas 13/20 pitched to 13/18 (by Jim) and ride plate mod (by Jim). 76.4 mph...gone...cracked pump tunnel after sucking up a stick...almost sunk

      2021 GP1800R SVHO Blue/white, speed limiter removed, TJ Exhaust Mod, Riva Air Intake, Ribbon Delete, Riva Gen 2 Intake grate, Riva ride plate, Riva sponsons, Solas 13/20, Transom Resealed, Automatic bilge pump (bilge siphon removed)

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      • #4
        How much did he charge and how long did it take?
        sigpic2014 fzs svho current mods riva engine breather, riva fresh air kit,riva free flow exhaust,scom,sealed intake grate top speed according to gps 76.1

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        • #5
          Min will hook then after skis is about to come out of the water it iwll bounce the limiter a few times and then hooks back up and goes. I have found if i feather thorttle right as that point it alows it to hook up faster and go. but its cavitation... and a 155mm pump
          2016 FZ, Custom turbo design, Borg Warner EFR 6758 W/V-band .85ar, Still dialing set up in...20lbs of boost, 9240 RPMs @ 94mph (in Alabama Heat with tools, fuel, full cooler, & 245Lb rider).
          Build Thread: http://greenhulk.net/showthread.php?t=292838

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