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  1. #1

    96 Seadoo XP 65mph on Garmin, 7250. Rossier pipe/Miller Head/42mm Novi Carbs/Solas X1



    Trying to get to 67.1 like robert 96xpss.

    Still need to try my skat trak magnum 6 vane with a modified XO, also throwing in some 39.5cc domes with a little race gas for around 175 compression and changing to limited settings on the MSD enhancer.

    This run is still with the Solas X1 stock plastic pump and nozzles only turning 7090 RPM. Lost a little rpm now that I figured out my water routing and everything is ice cold even after WOT runs. Gonna also jet the pipe for less water to get the RPMS back up. Down the bottom of the thread is the 64.8mph gps.

    Mods:
    *Rossier pipe 100 main jet in mid pipe, 175 main jet in stinger. 1/4' jetworks to stinger. MSD water controller to head pipe sprayer with no jet on the 1/4 spray bar (water on at 2250 and off at 4500)
    *97spx 787 free flow waterbox. water regulator port plugged.
    *Novi bored 42mm carbs with ocean pro arrestors and primers, bored stock 800 intake manifold to 42mm port matched all gaskets. 165 main jet mag carb 167.5 main jet pto carb, 80 pilot jets, 65 gram springs, 2.0 n/s (not sure what pop off it) Carbs are almost dead on. Not one dead spot. May be a little rich up top. Can idle all day in a no wake zone and still not one dead spot.
    *mikuni df62 high volume fuel pump, removed stock fuel seperator, and removed on off selector, i use the 'reserve' and 'on' from the tank at 1/4' linked together to 3/8' fuel line to the df62 3/8 inlet line to the pump.
    *(No porting done maybe winter time.)
    *True welded 787 crank from sbt brand new.
    *stock 159 rotary valve but i do have a stainless steel race 163 degree one to try and get more mph also.
    *1.50mm bore oversize sbt pistons brand new .006 clearance. squish is around .55 both on a 6 hole base gasket.
    *Mel Miller head 43cc domes 93 octane sunoco fuel, 155 compression, I want to try 39.5cc or 41cc domes for more compression may run half avgas to see if i can get there too.
    *Lightened shaved down rear pto flywheel
    *Jetinetics lightened front mag flywheel
    *Msd enhancer on stock settings, I may try more timing with the limited settings Or I have a MPEM on the workbench with the #5 racing curve but stock mpem is in there now.
    *Solas x1 prop w/ stock exit nozzles but do have an xo and skat swirl 'race' 17 22 and a skat magnum 16/23 props I want to try them all with my stock nozzle, 85/88 nozzle and 82/85 nozzle and see what makes most mph. New wear ring. I also have 2) skat trak magnum 6 vane pump but no good top speed props.
    *Odyssey 3 degree Pump wedge on stock plastic pump.
    *Pre-Mix with amsoil Dominator synthetic 40:1 no oil injection.
    *Br8eix Ngk 'iridium spark plugs'
    *Removed intake grate for that extra 1 mph.
    *Removed sponsons for top speed run's.
    *Removed excess weight, storage box under hood, oil tank / oil lines / RV line looped / rear air inlet box removed, drilled more cooling holes in the front of the seat air intake, removed all gauges since none of them worked anyways, removed all that extra wiring too.
    *siliconed bolts on ride plate so that everything is smooth.

    Last edited by 1fastxpp; 07-19-2011 at 11:07 AM.


  2. #2
    mibunkerking's Avatar
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    how did you get the rooster tail?

  3. #3
    Well that 3 degree wedge and I have the vts arm shortened so you can really have some run with the boat.

  4. #4

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    You running a rossier pipe on your 951???? if so can i get some photos from you on the hook up ? thank you

  5. #5
    WBoulton's Avatar
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    he has a 787 not a 951

  6. #6

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    where can a guy find some info on the 951 rossier pipe?

  7. #7
    WBoulton's Avatar
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    idk, search google, pwctoday, here, seadoo.net, etc

  8. #8
    Quote Originally Posted by Armored_steel View Post
    where can a guy find some info on the 951 rossier pipe?
    barely anywhere haha they are almost non existent

  9. #9

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    Some one has to be running one ive googled it called rossier no such luck

  10. #10
    WBoulton's Avatar
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    try starting your own thread

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