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Thread: Impellers?

  1. #1

    Join Date
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    Impellers?

    Hey y'all. I bought my boat from my boss two years ago and the other day he found some impellers in his garage for me. I dont know what is currently on the boat but these impellers have #s on them and I was just wondering what they indicate. One says 5131079 the other says 5131035. They both have the polaris name/logo right above the numbers. Just wondering if this indicates their pitch and what not or if there is any other way of knowing. I have a SLT 750 which I am replacing another piston on at the moment, so not like I will be doing anything with the impeller any time soon, but was just wondering what these are and what they would do for the boats performance. It has some upgrades...pro style flame arrestor, carbon reeds, bored out .050, ride plate, 6 vane stator...just wondering if either of these impellers would compliment these mods.


  2. #2
    ph2ocraft's Avatar
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    Impeller chart
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  3. #3

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    awesome, very helpful as always!! thanks

  4. #4

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    sooo...i have zero experience with impellers, what does it mean that they are progressive, and would either give me different/better performance?? it would help if i knew what was on there now but I have no idea...

  5. #5
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Polaris used a 4 blade impeller and called them progressive. Not really sure what the actual pitch is. Only the 3 blade impellers have a pitch number with them. The 3 blade swirls (one with pitch listed) are good for acceleration, while the progressive (4 blade) were good with a slightly better top speed.

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