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  1. #1
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    New Mods

    Just thought i'd share my new mods
    Les cooke A-kit
    13/18 skat trak
    custom exhaust
    Worx sponsons
    Worx intake grate
    Opas block offs
    Ride plate holes filled

    I was told these mods would beat an RXP-X. Agree or not?
    Does anyone know what sort of top speed and HP i should be looking at with these mods?

    Also for sale is:
    RXP RXT stock impeller VGC
    RXP RXT stock supercharger wheel VGC
    RXP 04/05 model stock sponons VGC
    Last edited by evan.rxp; 03-07-2009 at 07:08 PM.

  2. #2
    Administrator sr20lux's Avatar
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    nice well done looks like some good mods, not sure if it would beat a rxpx but i'd assume it would

  3. #3
    Senior Member pottsy's Avatar
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    no not unless you have a C-kit....an A kit would be lucky to beat a t-x or SHO....how many PSI you running and are you running exteral IC...

  4. #4
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    I am running 11 psi. An rxpx runs 10psi.

    Seadoo centre seems to think an rxp with an A-kit has more or less the same output as a rxp-x.

    Because we all know an rxpx isn't true 255 hp, it's actually around the 235hp mark.

    I know a B-kit produces around the 250 hp mark and a C-kit ir around the 270hp mark. So both the B and C-kit would both blow an rxp-x

  5. #5
    Senior Member pottsy's Avatar
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    yeah true that...My T-X runs even with a RXT with B-Kit...and the same as a T with a RUDE1 running 14psi...It would be interesting but remember theres alot of hype that gets peddled there all here to make money....I've seen a RXP with a c-kit leave everything for dead too though..les make good gear but every ski is different....its hard to tell until you get it on the water...I think the A-kit keeps your ski reliable which is a plus you get to crazy with the mods then your ski will spend all its time with les....If you don't have an external IC that should be your next mod for sure...also the RXP-X has a bigger pump tunnel...
    Last edited by pottsy; 03-07-2009 at 08:09 PM.

  6. #6
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    The fact that it was reliable and didnt put any added pressure on the ski was the largest selling point. They say a C-kit engine is good for only about 50 hours. I can't afford a rebuild so i think A kit is enough for me.

    Maybe a external IC and a 4 inch air intake next. Any ideas on DIY air intakes ayone?

  7. #7
    Member nedo69's Avatar
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    Yeah go for the 4 inch air intake for sure. I picked up about 200 RPM and 3-4kph just with that mod. Plus the supercharger noise from the intake sounds great. There are a ton of posts on greenhulk for ideas on different installs. If you get stuck I got a few picks of how I did mine if it will help. So far so good, works a treat. I ride in open surf and have been swamped by fair size waves with no water intrusion due to where I mounted my filter. Plus Im running an outerwears just incase.
    I just got my ext intercooler and am fitting it as we speak so Ill let you know once its in and on the water

  8. #8
    Senior Member Richieb's Avatar
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    Get external I/C for sure. Bin the flame arrestor/intercooler in the manifold.

    B kit is the way imo, never had any issues with it. It gives plenty of lowdown and mid range, whereas the C is all top end... and, according to the man himself is not that much more speed-wise.... I agree.

    Not sure about the re-build part though. It is all depending type of thing.

    What ski do you have?

  9. #9
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    Good luck with the external IC. Which one did you opt for?
    Where did you end up putting the air filter? Could i please get some pictures...thanks

    I have a yellow RXP

  10. #10
    Member nedo69's Avatar
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    26042009291.jpgHey Evan
    I got a brand new XS power IC that came as a kit from Jrfizzle from the greenhulk forum. I bought it off a forum member that never used it. Got it delivered for $400 complete with all the plumbing so hoping to see some good results with it.
    The 4" air intake is pretty simple. As the pics show, I used a product from Clarke rubber which is identical to the Kanaflex hose that the Yanks use. Its abot $60 a metre and I think 1.8m was ample. I used the R&D 4" supercharger adapter, and a 4" aluminium coupler to join the hose to the filter with a bracket I made myself welded to the coupler. I mounted the bracket and filter underneath the glove box above the fuel tank. I used a Spectre 4" stainless filter and got an outerwears water repellent filter cover from the states for when I ride in the surf. All the stock shit was removed. I mounted the rectifier into a piece of 100mm stormwater pipe that I used to take up the slack in the tank straps. All up probably costed about $240 to do but is far superior to just about anything you can buy off the shelf let alone $450bucks for the crappy Riva 3" intake. Greenhulk is selling a kit for $160US if you cant bother chasing up all the bits. By the way you will have to run an oil catch can aswell unless you want to reroute your breather back into your intake. I used a Jazz products catch can from ebay that I found for about $50 which is identical to the Riva catch can worth $280!!!! Anyway best of luck. It is a bit of mucking around but the cheapest and best mod ive done to date.
    If you got any more ??? feel free to contact me.

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