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  1. #1
    Member no fear here's Avatar
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    Langley B.C.
    PWC
    2 '89' Kawasaki SX 650's
    Posts
    59

    Exclamation SX 650 Reduction Nozzle

    Has anybody tried to modify the stock plastic reduction nozzle. I have a spare sitting on the bench and was wondering what effect it might have on the performance if I was to remove the plastic vanes that are inside it. Maybe a little taperbore with the die grinder.

    Has anybody experimented with one of these. Let me know before I waste my time.

    Thanks
    Riding an '89' is a splash from the past!

  2. #2
    Internet Meter Maid
    Location
    barrie ont. can.
    PWC
    the superjet
    Posts
    389

    Default

    i use the reduction nozzles from x2's they are much bigger

    i think i might have one kicking around, i dont run kawi's anymore

  3. #3
    Member no fear here's Avatar
    Location
    Langley B.C.
    PWC
    2 '89' Kawasaki SX 650's
    Posts
    59

    Default

    The spare that I have sitting on the bench has an outlet dimension of 82mm. Whats the measurement for the X2. I tried to search it on the internet with no luck.

    Has anybody seen the inside of a PJS or Ocean Pro. Do they have the vanes cast into them, or are they smooth walled. The stock nozzle has about 10 vanes and I was wondering what effect it might have if I was to grind them out.
    Riding an '89' is a splash from the past!

  4. #4
    Member
    Location
    Ontario, Canada
    PWC
    1988 650sx, 1994 Seadoo spx
    Posts
    17

    Default

    Hey just wondering if u tried modifying it at all and if it did anything??

  5. #5
    Senior Member
    Location
    Barrie, ON
    PWC
    X2
    Posts
    330

    Default

    I cut mine out and I never really noticed any difference but I still do it because it's easy. Most aftermarket nozzles don't have any.

  6. #6
    Member
    Location
    Ontario, Canada
    PWC
    1988 650sx, 1994 Seadoo spx
    Posts
    17

    Default

    Thanks, I got a spare one too so I might try it if it's easy like u said...

  7. #7
    Member no fear here's Avatar
    Location
    Langley B.C.
    PWC
    2 '89' Kawasaki SX 650's
    Posts
    59

    Default

    I did spend a couple of hours grinding them all out but never tried it.
    I have found out that the Aluminum Ocean Pro has them so I didn't bother trying it.

    My guess was that they are to stop the corkscrew effect of the water so leaving them in would give better thrust.

    Maybe I will try it this year.
    Riding an '89' is a splash from the past!

  8. #8
    Member
    Location
    Ontario, Canada
    PWC
    1988 650sx, 1994 Seadoo spx
    Posts
    17

    Default

    I dont think I will cut them right out because I think your right and it will cause a cork screw effect.. I might just sand them down to make them like a knife and not have a blunt side, might help might not, just something to do!!

  9. #9
    Member
    Location
    kelowna
    PWC
    1996 seadoo challenger
    Posts
    4

    Default Nozzle

    Are there any nozzles or aftermarket nozzles for a 1996 seadoo challenger,Im just wondering if I were to put a smaller one on if it would give me more speed?
    single 787

  10. #10

    Default

    I removed the vanes from my SX nozzle. There is a noticeable swirl left in the exiting water jet compared to stock. Not sure if it feels faster or slower. This is on a lightly ported 650, dual 38s, 180psi and westcoast pipe.

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