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  1. #1
    Sackster's Avatar
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    Jan 2011
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    Impeller options for GTX 155hp NA

    Hi from Australia

    I've just bought myself a 2005 GTX 4-Tec 155hp NA, and it's suffering from a bit of cavitation out of the holeshot. I'll be replacing the wear ring, but the prop looks a bit worn so i'll replace that too. From my research the Solas gear looks like the best option but i'm wondering what the best pitch is for the NA?

    The options look like 11/19 and 12/20. What is stock, or are both of them different from stock? The local Seadoo dealer mentioned that one was an all-round improvement and the other was best for top speed.

    Thanks for any help.

    Cheers


  2. #2
    Sackster's Avatar
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    Anyone have any knowledge with the NAs?

  3. #3
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by Sackster View Post
    I'll be replacing the wear ring, but the prop looks a bit worn so i'll replace that too. From my research the Solas gear looks like the best option but i'm wondering what the best pitch is for the NA?
    Hi Sackster, welcome to the forum. This impeller is going to be the best for your 155
    SR-CD-11/19 [SR-CD-11/19] - $299.95 : Zen Cart!, The Art of E-commerce

    Here is the OE replacement for your wear ring
    OEM Wear Ring for 155 HP Skis [267000104] - $63.49 : Zen Cart!, The Art of E-commerce

    If you have any other questions let us know.

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