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Type: Posts; User: jgustman

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  1. Sounds about right on with rougher water and a...

    Sounds about right on with rougher water and a unmodded ride plate. You definitely catch more air with an angled plate��
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    You should be fine, jets are probably bigger,...

    You should be fine, jets are probably bigger, just clean and re-use. Check the external high and low speed fuel screw settings for how many turns out they are from full in. Needle jet Pop off springs...
  3. Your rpms will probably go up some just getting...

    Your rpms will probably go up some just getting the nose up out of the water with the new ride plate, less drag on the hull.
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    Looks about like my pistons, 2008 gp1300r.

    Looks about like my pistons, 2008 gp1300r.
  5. You should easily be at 70 at least in smooth...

    You should easily be at 70 at least in smooth water. It would be interesting to see what it will do vs a stock ride plate in the 1-2’ chop. With shimmed trim tabs down about 150 thousandths it may be...
  6. Yep, you’re going to be slower in that kind of...

    Yep, you’re going to be slower in that kind of water bouncing all over with an angled ride plate. I believe shredmaster plates were popular for that type of riding you’re describing. You may also be...
  7. That’s pretty good speed for a stock setup. They...

    That’s pretty good speed for a stock setup. They don’t recommend running much less than 7100 before detonation can become an issue, plus you lose acceleration. Your rpms would come back up some and...
  8. View Post

    You’re not up against the rev limiter at 7150 rpms. It’s rev limiter is around 7400-7450 rpms. You will not be able to pull a taller impeller without lugging the motor. Most made the best speed and...
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    Just a reminder, you have to run a free flow if...

    Just a reminder, you have to run a free flow if running a 1200 water box on a 1300 or risk detonation.
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    http://www.greenhulk.net/forums/showthread.php?t=1...

    http://www.greenhulk.net/forums/showthread.php?t=166141
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    FS - Parts FS: Solas Concord 13/19, SOLD

    Been sitting in the garage for a backup the last few years. No nicks or burns. $110 shipped. SOLD
  12. Thread: Dynafly props

    by jgustman
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    FS - Parts I will take one posssibly, the pitch should be...

    I will take one posssibly, the pitch should be etched by impros on the inside of the hub. If it's over 14/21 it will not work. Was your motor ported?
  13. WTB - Parts Have a nice clean one here. $110 shipped

    Have a nice clean one here. $110 shipped
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    FS - Parts I am interested. Pm pics please

    I am interested. Pm pics please
  15. Absolutely need a riva or R&D intake grate to...

    Absolutely need a riva or R&D intake grate to keep it hooked up and riva or jet dynamics ride plate if you can find them. Had a 96 dual carb with group k work of stock milled head, and bored carbs,...
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    I would pull the jet pump and check that drive...

    I would pull the jet pump and check that drive line for drag maybe a bearing going out...also check the mid shaft housing and look the impeller over. Maybe others will chime in, possible cdi issue...
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    FS - Parts PayPal mobile issue...money sent for 87mm nozzle.

    PayPal mobile issue...money sent for 87mm nozzle.
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    FS - Parts Your PayPal address dgomme@mac.com isn't...

    Your PayPal address dgomme@mac.com isn't working....
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    FS - Parts I am still a go for the Jims skegged plate and...

    I am still a go for the Jims skegged plate and the 87mm exit nozzle, Just need to send the money.
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    FS - Parts Dibs on the 1200 nozzle, sent a PM on the FF...

    Dibs on the 1200 nozzle, sent a PM on the FF plate.
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    FS - Parts Is that impeller a ys-df 14/21, will not fit a...

    Is that impeller a ys-df 14/21, will not fit a gpr if so.
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    Just put 4 degree keyway in a gp1300r bought from...

    Just put 4 degree keyway in a gp1300r bought from Rich at WFO. :smt038:smt038:smt038:smt038:smt038:smt038:smt038:smt038:smt038:smt038:driving:
  23. I know the motor is close, the d-plate was a oem...

    I know the motor is close, the d-plate was a oem reproduction and I opened it up just slightly, bought the manual water adjuster for the jetworks mod, but see no gain in rpm down to half closed and...
  24. Need the speed guru's advice, stuck at 74mph with a overstuff/buck.

    Been down this road about 7 years ago with a stock ported gp1200r that pulled 75.6 gps with all the same mods expect no timing advance, and now have come back to the scene with a low hour 2008...
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    WTB - Parts WTB: Jims plate for gpr

    It's the last piece needed to finish my mods, somebody has to have on sitting around to sell... I have a new R&D plate ready to trade + cash if that interests anyone.
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