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  1. #1
    GTX iS260's Avatar
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    First SC Ski - Pre-season maintenance recommendations?

    Ended up picking up a 2010 GTX iS 260 Limited with 92 hours last week. Seemingly runs great, fires right up, idles, pretty fast (hits 66-67 pretty quick) Analog speedo doesn't work, but I see the clusters are like $800 so that's just going to stay broken lol.

    Had a few skis before but they were all older/junky/put as little into them as possible.

    This is my first "nice" ski and I'd like to do some maintenance/mods, fairly mechanically inclined so I'll be doing most everything myself. I read the iS is sort of a pain, but once you remove the top, everything becomes much easier.

    Here is what I have so far, feel free to recommend anything else I should do, or even something I shouldn't do that I have listed lol.

    Thanks for you alls input. Can't wait to for summer to be here!

    Maintenance Items
    Oil/Filter Change
    Plugs
    Blower Washers / Bearings
    Remove IC and Clean
    Wear Ring
    Carbon Seal
    OEM Bilge Add-On

    Mods
    MAP Tuner Stg 2 Flash
    Riva 4" Intake
    Spark Arrestor Intake Manifold Mod
    Solas SRZ-CD-15/20A Impeller
    83.5mm Nozzle



  2. #2

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    I d get a repair manual.
    In addition I d check ibr actuator and pump bearing for water ingress.
    If sc bearings are older than 2 years or not sure how old. Change them.
    Must apply triple guard grease in prop splines.
    Put dielectric grease in every connector.
    Add fuel stabilizer in the tank.
    You dont have to remove top deck. Just lift it fully up and tilt it forwards.

  3. #3
    ncdoo's Avatar
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    Rebuild the SC, don't just replace washers and bearings. And they are a PITA to work on.

  4. #4
    GTX iS260's Avatar
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    Quote Originally Posted by ncdoo View Post
    Rebuild the SC, don't just replace washers and bearings. And they are a PITA to work on.
    Scale of 1-10 how difficult is the full rebuild? Specialty tools? Should I just bring the blower to a shop and have them do it?

    I can do pretty much anything on a car, but I know this stuff can require a lot of specialty tools that I may or may not want to buy.

    Thank you for the input!

    Quote Originally Posted by OP. LOCK View Post
    I d get a repair manual.
    In addition I d check ibr actuator and pump bearing for water ingress.
    If sc bearings are older than 2 years or not sure how old. Change them.
    Must apply triple guard grease in prop splines.
    Put dielectric grease in every connector.
    Add fuel stabilizer in the tank.
    You dont have to remove top deck. Just lift it fully up and tilt it forwards.
    I will check those as well. Have bearings for blower. Thanks!

  5. #5
    JT jpt7779's Avatar
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    http://greenhulk.net/forums/showthread.php?t=146938

    Use the SC rebuild service here, you can’t beat it.

    BTW, it is not a “blower” it is a Supercharger, commonly abbreviated as SC here. The grammar police here are tough! Welcome to the Hulk.

  6. #6
    GTX iS260's Avatar
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    Quote Originally Posted by jpt7779 View Post
    http://greenhulk.net/forums/showthread.php?t=146938

    Use the SC rebuild service here, you can’t beat it.

    BTW, it is not a “blower” it is a Supercharger, commonly abbreviated as SC here. The grammar police here are tough! Welcome to the Hulk.
    It's definitely a blower, and a supercharger, fortunately the English language allows for multiple names for the same thing, so Nazi away

    I'm entrenched in automotive/drag racing, it's a blower because it is easier/takes less time to call something a blower car than a "supercharger car" - Nitrous Car, Blower Car, Turbo Car lol.

    Thank you for the rebuild service recommendation. I will look into it!

  7. #7
    ncdoo's Avatar
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    Dont, worry, if you say blower, everybody still knows what you're talking about, PM sent

  8. #8

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    If sc passes slipping test and the washers are not cracked no need to change washers. Min slipping torque is 8NM.

  9. #9
    GTX iS260's Avatar
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    Quote Originally Posted by OP. LOCK View Post
    If sc passes slipping test and the washers are not cracked no need to change washers. Min slipping torque is 8NM.
    Thank you for that informatoin.

    I guess my thoughts are its recommended at 100 hours and the ski has 92, I want to pull this top deck off and just knock out everything I can. I'd like to not have to take the deck off again for another 100 hours lol.

  10. #10
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by GTX iS260 View Post
    ... its recommended at 100 hours ...
    My understanding is that the calendar rebuild schedule imposes a maximum time between rebuilds (for the Seadoo supercharger generations with specific recommended rebuild intervals).

    Depending on the generation of the supercharger the schedule was every year or every second year? Even if very low engine run hours during those year(s).

    The plastic in the supercharger bearing race cages apparently slowly degrades when exposed to engine oil, so once new bearings are installed and first run the clock is ticking on the degradation of the bearing cages.

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