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  1. #1
    henryb's Avatar
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    Nujet PL-A7.0 Destroyer impeller

    I have a 2000 SLX 1200 and a 1997 SLTX 1050 that I could use this impeller on... does anybody have experience on what gains / losses I can expect with this impeller... on either of those skis?

    Both of the skis have similar upgrades as they sit now: Ocean Pro Extended O Ride Plate and an R&D scoop intake grate. The SLX also has the Vortex Flame Arrestors. The Prev owner of the SLX said that the prev owner to him had put some type of aftermarket water box exhaust... but it kind of looks stock? Hard to tell?

    I was also thinking about installing a set of Worx blade sponsons on the SLX.

    Thanks for any insight and experiences with any of these upgrades would be appreciated.


  2. #2
    casey67's Avatar
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    I use the Nujet 7.0 in my 2001 SLX. It is the best impeller I tried in it. It deffinetly had the best top speed, by 1 - 1.5 mph , even over the Polaris 7.0 impellers. My SLX also has the R&D 650 grate. I have absolutely no trouble with take off with this impeller (others reported trouble on take off)

    The 7.0 will be way to big for the SLTX

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  4. #3
    henryb's Avatar
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    Just wondering about the nose cone... will the one thats on the SLX now... will it fit onto the Nujet 7.0 ? Never swapped impellers before!

  5. #4
    casey67's Avatar
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    Its actually an easy job with the right tools.

    Only the impeller jets replaced.
    After removing the pump stator-remove cone from rear- impeller shaft will be visible-there are 2 flat surfaces, place that in a vise or attach adjustable wrench ( mid to large size)
    The tool supplied with impeller slides into the front of impeller, where the drive shaft was, hex shaped for large socket (approx 7/8 inch/22mm). Unscrew impeller, caution they are tight, around 100 foot pounds torque, might have Loctite on threads which is why a vise is recommended . Although with some experience, I lay the stator on the ground on its side,wedging wrench against the ground.

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  7. #5
    Click avatar for tech links/info K447's Avatar
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    I have at least one impeller spline tool here for Polaris impellers.

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  9. #6
    henryb's Avatar
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    Thank you for your feedback on how to swap impellers... probably next spring.

  10. #7
    henryb's Avatar
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    Impeller arrived today!!! Just in time for me to winterize the SLX!!! LOL

    I had one thought... would the stock impeller that comes out of the SLX 1200... would it provide any improvement if I put it on the 97 SLTX 1050 ?

  11. #8
    casey67's Avatar
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    How many rpm's do you see when wide open ?
    Impellers are matched to horse power (engine size). In my opinion the stock 97 SLTX prop is better suited for a 1200. My friend's 97 SLTX would not see more than 6100 rpm, it really benifited from a 17/23,improved his take off and placed his rpm's at 6300 -closer to the 6350 called for in the service manual.
    I think the '00 SLX impeller would bring the rpm's down even more.

  12. #9
    henryb's Avatar
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    Quote Originally Posted by casey67 View Post
    How many rpm's do you see when wide open ?
    Impellers are matched to horse power (engine size). In my opinion the stock 97 SLTX prop is better suited for a 1200. My friend's 97 SLTX would not see more than 6100 rpm, it really benifited from a 17/23,improved his take off and placed his rpm's at 6300 -closer to the 6350 called for in the service manual.
    I think the '00 SLX impeller would bring the rpm's down even more.
    I had to look back at photo I took from the last top speed run that got on the 97 SLTX 1050... MFD showed 60.5mph (cant recall what the GPS was, around 57mph), but you were asking for rpms ... it was 6640.

  13. #10
    casey67's Avatar
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    57mph sounds about right,6600 rpm is a bit high. Polaris claims engine should turn 6350.
    Was the engine rebuild stock ? With stock 97 cylinders ?
    Either the impeller is worn or the engine runs very well. Deffinetly try the SLX prop, nothing will be hurt by trying a high speed run,if rpm's are around 6450 it should be fine.

    What were the SLX rpm's with that impeller?

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