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  1. #1
    mavrick816's Avatar
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    Calling all '05 GP1300R Experts...

    Hey everyone, I'm new to the forums and just wanted to get some opinions..
    Just picked up an '05 GP1300R with 30 hours, all stock. Now I've owned a 2 stroke Sea-Doo for years and wrenched most of the mods and took care of it myself. Now the question for you GP1300 gurus.

    What are the MAIN items to watch for during the normal season?
    1. After each ride? After every (xx) hours?
    2. Yamalube or Amsoil?
    3. Premix?
    4. I've read some of the forums, is there a "real world" care and maintenance forum on here?

    I'm eventually planning to mod it for racing, probably do a Riva Stage II, about 500 bucks at a time. But again to you GP1300 gurus, what would you do with a virgin GP? In what sequence? i.e. bolt ons first, or engine? for the first 500 bucks and so on?

    -rick
    Last edited by mavrick816; 01-21-2008 at 01:09 AM.


  2. #2
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    I've always liked to run Amsoil in my ski's, I am no performance guru (yet) but I know amsoil is good stuff.

    My ski has 120 hrs and its running strong.

  3. #3
    Moderated
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    forget the riva stage 2 kit, its a waste of money.

    mod 1
    1200 twin bar grate
    pump plug kit and sealed pump shoe
    Jim FF modded r&d plate
    step your sponsons ( free)

    ok so thats a little over 500 , closer to 600 but thats my reccomendation.

    once you have that done there is plenty of other things to do that will yeild far better results then a riva kit. I will let someone else add some suestions now..

  4. #4
    quadzilla's Avatar
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    Lightbulb

    Quote Originally Posted by izz0 View Post
    forget the riva stage 2 kit, its a waste of money.

    mod 1
    1200 twin bar grate
    pump plug kit and sealed pump shoe
    Jim FF modded r&d plate
    step your sponsons ( free)

    ok so thats a little over 500 , closer to 600 but thats my reccomendation.

    once you have that done there is plenty of other things to do that will yeild far better results then a riva kit. I will let someone else add some suestions now..
    +1 on the Riva Shit stage kits

    You need to Stick with the YamaGlue oil for now..!! unless you've removed the cat-con..(catalytic converter)

    I'd suggest an aftermarket tach and a GPS as two of your first three mods..!!

    The FIRST mod is as much safety related as speed/handling.! this is get rid of the stock intake grate..
    Before it Fucs you up..!!! Everyone will tell you the same thing..!!
    A two bar riva or r&d are the best choices..

    For now have a look underneath the ski at the pumpshoe to see how its sitting..??
    It should be a little recessed into the hull and NOT hanging down lower than the hull..

    A good idea before you do anything is to check the compression and get a baseline top speed(GPS)..!!

    Your looking for around 64-66mph with low fuel and about 125psi in each hole..!!

    Post up these numbers when you get a chance..

    Also follow this thread as you're pretty much after the same thing
    See here:.http://www.greenhulk.net/forums/showthread.php?t=47421

    Use the search function to there's ton's of knowledge and information in there..

    Gerry

  5. #5
    Never say never KirkF350's Avatar
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    If you are going to start modding the ski, DO THE PUMP TUNNEL REINFORCEMENT AS SOON AS YOU CAN. The 03 on up have week tunnels and can crack once you start getting this ski running above the stock numbers.

  6. #6
    mavrick816's Avatar
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    Thanks for the tips. I've seen the other posts and its information overload. For now, it looks like I'll do these for my personal stage 0.5 ;
    1. New RIVA intake grate
    2. Riva Pump plugs
    3. Riva D-plate and chip
    4. Riva Flame Arrestor (while I have the D-Plate out, I can install this)
    all for hopefully around $500.

    Q: How do you step sponsons?

    and I'll stay with Yamalube.

    thanks for the info.. keep em coming!!

  7. #7

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    When fitting the flame arrestor, remember to split and gut the grills out of the air box, or your benefeit will be negative. REXA

  8. #8
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    Quote Originally Posted by mavrick816 View Post
    Q: How do you step sponsons?

    and I'll stay with Yamalube.

    thanks for the info.. keep em coming!!
    see here for more details on stepping.

    by the way you can get all your riva and r&d parts from the online store here and you get a 10% discount if you use greenhulk as the cupon code http://www.pwc-performance.com/

  9. #9
    quadzilla's Avatar
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    Quote Originally Posted by mavrick816 View Post
    Thanks for the tips. I've seen the other posts and its information overload. For now, it looks like I'll do these for my personal stage 0.5 ;
    1. New RIVA intake grate
    2. Riva Pump plugs
    3. Riva D-plate and chip
    4. Riva Flame Arrestor (while I have the D-Plate out, I can install this)
    all for hopefully around $500.

    Q: How do you step sponsons?

    and I'll stay with Yamalube.

    thanks for the info.. keep em coming!!

    Hey Mavrick..

    To step the sponsons:.
    Take them off.. slot the middle hole.. put em back on..
    So mount the front in the bottom hole and the back goes in the top hole, the middle mounting point is then in the middle..
    JOB DONE..

    1/.? Probably better to go with the r&d 1200 intake grate(plus its cheaper)
    2/.? yeah PPK is a good idea..!
    3/.? D-plate also a good idea..! you don't need the chip on 05 and up models a 2k ohm resistor will do the job
    4/.? Do you mean the round can shaped filter..?? (if yes they're of highly questionable value..!!??)

    Now the fact you're thinking of moving to a D-plate means you can use "ANY" oil you like..!!
    So Amisol is a good option if you like it..?? Yamalube is required because of the Catcon..!!!

    For now rather than wasting cash on the filter.. while the stinger pipe is off for the D-plate fitting..
    You'd get more benefit from removing the metal screens inside the airbox then stick it back together..!!

    From the mods you've listed. they'll not likely bring any new speed to the game..
    Maybe + .5mph through more likely -1mph..
    Don't worry about that through they're good mods and need done anyway..
    Now if you pass on the filter (are you thinking about the RY1312..??)
    Then what you've listed will run you less than $250..then less your 10% discount again..
    From the "ONLINE SHOP".. when it asks for your coupon code type in greenhulk..

    Before you get into a new rideplate.. whats your riding conditions..???
    Flat..?? chop/boat wakes..?? ocean..??

    If you haven't already done so..?? download the workshop manual..
    From here:.http://www.ramnj.com/GP1300R.pdf
    05 and up supplement here:.http://www.ramnj.com/GP1300R_2005_Su...tal_Manual.pdf

    Gerry

  10. #10
    mavrick816's Avatar
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    Thanks for those tips!! so all in all, I'd be losing speed?! The next steps probably is 13/20 Solas, Riva Ride Plate, Riva Trim Tabs.
    Will a new Riva nozzle help?
    Any thoughts for the Free Flow Exhaust Kit?

    Stage 1.5 for me will be the ECU swap

    Then final Stage 2 will be the Performance Head Kit.
    but, i'll stay calm and stick with my schedule.

    Thanks all..

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