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High idle RPM after hard buoy riding?

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  • High idle RPM after hard buoy riding?

    Sometimes when I practice some buoys for a hard 30 minutes, the idle stays up at about 2200 rpm when I stop,
    I have to shut the ski off, and then after the restart it is fine, like normal,

    I can ride easy and slow and no problems with the idle, only after riding hard, it acts up 1 out of every 5 times,
    any ideas?
    06-RXP- 1st PLACE regional winner R/A Limited in region 5 +rider of the year buoy tender now
    1998 Pro 785 Limited was hit in a race & totaled
    1997 Pro 785 Stock Sleeper practice ski 62.5 gps SOLD
    1999 Pro 785 X-Words finals winner hull-engine just installed from wrecked ski-thanks lugs
    1995 Kawi SXI Dual carb -set up for daughter sold
    2004 Kawi SXR race ski for my 15 year old daughter
    2 each 1996 Yamaha Blaster 1 set up to race sport spec stock class for Junior class

  • #2
    a vaccume leak is a good start
    then check the idle circuit
    13 rxpx, motec m400 closed loop, knock, boost control, gps, 9 pos switch, Fizzle HE ic , SJL Custom Tial water cooled gtx2863,, rrfpr, 15/24, bosch 1150cc, e85
    03 gtx, 9.5:1 CP, vetch 9000 with logger, 110lbs Bosch, et 68-140, walbro pump, rrfpr, xs ic, solas 15/22 , Fizzle 4", rxtx drive train, 05 ecu mpem and vts, e85
    09 gtx , X wheel, xs ic, 14/19 thru hull exhaust, 4" kanflex, vtech 8450 flash, afr sensor for logger

    sigpic

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    • #3
      Vacumn leak at the manifold will do that.
      Pull your manifold and inspect.
      RXP 80+ mph stock ecu - 2Rude
      RXP 85+ mph Riva ecu - 2Rude
      Now V-Tech 8900 Tune with 3R - FASTER

      Comment


      • #4
        Also check to make sure your TB blade it closing all the way. Salt corrosion can make it stick too.
        View my 05 Rxp Turbo build here.
        http://greenhulk.net/showthread.php?t=148161

        Comment


        • #5
          thanks, I will check tomorrow
          06-RXP- 1st PLACE regional winner R/A Limited in region 5 +rider of the year buoy tender now
          1998 Pro 785 Limited was hit in a race & totaled
          1997 Pro 785 Stock Sleeper practice ski 62.5 gps SOLD
          1999 Pro 785 X-Words finals winner hull-engine just installed from wrecked ski-thanks lugs
          1995 Kawi SXI Dual carb -set up for daughter sold
          2004 Kawi SXR race ski for my 15 year old daughter
          2 each 1996 Yamaha Blaster 1 set up to race sport spec stock class for Junior class

          Comment


          • #6
            What RRFPR are you using?
            ​DCCmotorsports

            Please contact [email protected] for services and builds.

            100 in the 1/8th mile!!!

            Comment


            • #7
              I have the same issue too. Idle raises around 2300 RPM when engine starts. I have reset the TB with candoo pro but still not working. I use riva rrfpr

              Comment


              • #8
                I am using a cheap rrfpr, I did notice the O ring that seals the adjustment nut on the rrfpr was split in two and sticking out,
                I will inspect for other vacume leaks,
                06-RXP- 1st PLACE regional winner R/A Limited in region 5 +rider of the year buoy tender now
                1998 Pro 785 Limited was hit in a race & totaled
                1997 Pro 785 Stock Sleeper practice ski 62.5 gps SOLD
                1999 Pro 785 X-Words finals winner hull-engine just installed from wrecked ski-thanks lugs
                1995 Kawi SXI Dual carb -set up for daughter sold
                2004 Kawi SXR race ski for my 15 year old daughter
                2 each 1996 Yamaha Blaster 1 set up to race sport spec stock class for Junior class

                Comment


                • #9
                  The O-ring is not required and can be tossed.
                  Originally posted by skigolfnut View Post
                  I am using a cheap rrfpr, I did notice the O ring that seals the adjustment nut on the rrfpr was split in two and sticking out,
                  I will inspect for other vacume leaks,
                  4-Tec Jetmate
                  2004 MSX 1500SC
                  T-45 GPRXP
                  1995 785 Three Seat Triple

                  Click Here>>>>>> Greenhulks Store
                  save 10% off of most performance products coupon code is greenhulk
                  search here

                  Comment


                  • #10
                    thanks beerdart,
                    darn, I thought that was it, now back to the drawing board,
                    06-RXP- 1st PLACE regional winner R/A Limited in region 5 +rider of the year buoy tender now
                    1998 Pro 785 Limited was hit in a race & totaled
                    1997 Pro 785 Stock Sleeper practice ski 62.5 gps SOLD
                    1999 Pro 785 X-Words finals winner hull-engine just installed from wrecked ski-thanks lugs
                    1995 Kawi SXI Dual carb -set up for daughter sold
                    2004 Kawi SXR race ski for my 15 year old daughter
                    2 each 1996 Yamaha Blaster 1 set up to race sport spec stock class for Junior class

                    Comment


                    • #11
                      Originally posted by skigolfnut View Post
                      thanks beerdart,
                      darn, I thought that was it, now back to the drawing board,
                      Cheap FPR = boom. I learned to use Aeromotive after my first boom. The other guy probably has a TPS or IAV issue. If your IAV is getting stuck then it would cause that. A lot of IAV issues on this forum lately.
                      05 RXT/T-X Pump Line - Sold to a forum member!

                      19 T-X

                      '95 Custom Monterey 225 SCR Open Bow COMPOSITE BEAST

                      Comment


                      • #12
                        Whats your fuel load when it happens.
                        4-Tec Jetmate
                        2004 MSX 1500SC
                        T-45 GPRXP
                        1995 785 Three Seat Triple

                        Click Here>>>>>> Greenhulks Store
                        save 10% off of most performance products coupon code is greenhulk
                        search here

                        Comment


                        • #13
                          I dont know? next time out I will check it out,
                          I had the RRFPR dialed up pretty high while I was testing a new ECU, I will also look down the throttle body to check it out,
                          06-RXP- 1st PLACE regional winner R/A Limited in region 5 +rider of the year buoy tender now
                          1998 Pro 785 Limited was hit in a race & totaled
                          1997 Pro 785 Stock Sleeper practice ski 62.5 gps SOLD
                          1999 Pro 785 X-Words finals winner hull-engine just installed from wrecked ski-thanks lugs
                          1995 Kawi SXI Dual carb -set up for daughter sold
                          2004 Kawi SXR race ski for my 15 year old daughter
                          2 each 1996 Yamaha Blaster 1 set up to race sport spec stock class for Junior class

                          Comment

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