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  1. #1
    RandyReed's Avatar
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    Jul 2011
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    Drug the old GP out of the field and got it back on the water

    Ok so figured for giggles I would post a little about the latest project or Resurrection is more like it! Its an old race ski. 1997 GP1200 that has been sittin outside on the ground since 2004.

    1997 Yamaha GP1200
    Cylinders have a mild port job from when the motor was used in a Mission Yamaha race ski
    .50 pistons
    hotrods rotating assy.
    stock single pipe
    Oem head milled by Dan Fitzgerald (back when he was with Riva) (200psi)
    Stock carbs with some boring and mods by Dan Fitzgerald
    Carbon fiber reeds and billet spacer
    Riva CDI
    cooling mods
    Solas XO prop
    Pro-Tec intake Grate
    Pro-Tec ride plate
    Riva Trim Tabs
    Riva Sponsons
    Stock steering and reduction nozzle
    Free flow exhaust

    Well got it all cleaned up, running and finally got it on the water Yay!!!!
    First time out results
    Temp 97 degrees
    mid afternoon
    788ft above sea level
    humid as all get out!
    180lbs rider
    half tank of gas
    =
    GPS'd 64.4 mph at about 7300rpm consistantly

    I am pretty pleased with the results. Got some more work to do but its on its way!
    Carbs running very rich and spins prop to limiter on take off before it really grabsClick image for larger version. 

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    Thats what she looked like sittin out there all weathered and in dire need of attention


  2. #2
    RandyReed's Avatar
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    Working on building another motor for the GP and in thinking about going another route with the head.
    Anybody have any RIVA,ADA,etc etc aluminum heads laying around?

  3. #3
    Flying Scotsman's Avatar
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    May 2006
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    IllINOIS
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    Sounds like your having fun.

  4. #4
    krispaintballz's Avatar
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    Sep 2007
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    Kenosha, WI
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    2,978
    I might have a riva bb girdled head for sale with 34cc domes. I iwll let you know after I get done testing the new ADA head I got with 33cc domes.

  5. #5
    RandyReed's Avatar
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    Jul 2011
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    Awesome, Thanks just let me know about the head

    Yea been havin a blast playin with the old ski! So much fun to throw them around compared to the new one!

  6. #6
    old school big raider's Avatar
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    Sep 2006
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    dallas,tx
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    nice i hope you are running race gas @200psi

  7. #7
    krispaintballz's Avatar
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    Sep 2007
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    Kenosha, WI
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    Nothing like 114 sunoco in the morning. The slight burn in the eyes.

  8. #8
    old school big raider's Avatar
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    thats what im talkin bout little brother!

  9. #9
    RandyReed's Avatar
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    Jul 2011
    Location
    Columbia Missouri
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    40

    race fuel

    Oh yes I am! 109.5 turbo blue. Now if I could only follow myself around the lake all-day it would be a perfect world. Sunshine, bein out on the water and that sweet sweet heavily aroma of racing fuel.Lmao

  10. #10
    RandyReed's Avatar
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    Jul 2011
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    Ok got the second motor all cleaned up and looks like all I will need is a set of piston.
    Gonna be on the lookout for a set of either 1mm or 1.5mm over 65u pistons to complete an old school Dan Fitzgerald custom ported motor.

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