performance

  1. mejim707

    PERFORMANCE SUGGESTIONS - ROTAX 787

    96 Challenger with Rotax 787: I'm looking for suggestions and recommendations on what you GURUs have done with your own boats or skis to really dial them in. My current adjustments: FUEL: 87 Octane from the Gas Station (Not marine fuel) OIL: XPS 2 Stroke Synthetic Oil Gallon 779127 -...
  2. Bowser

    Bowser’s SPX

    Ahoy SeadooForum, This build thread serves to archive the trials of my first water craft, a ’95 SPX. It was purchased in March 2022 with a known issue of fuel not getting to the carburetors. I am a first-timer at fiddling with two stroke engines but find forums a wealth of info, so here I am...
  3. mandriva

    old web history aftermaket performance

  4. J

    1996 Seadoo GTS performance parts

    OK I what some ideas about up grades for my PWC, I have a 1996 Seadoo GTS and nothing has been done to it with exception of the CDI box. I want to get a little more out of it and I was thinking of a new intake grate but need up with the best one for this PWC? Any help is appreciated!
  5. zechamp

    Upgrade machine or performance parts?

    Hello. I have been wondering this question for a while since I was walked on the lake by another ski. I have a 2003 Seadoo GTX 185 S/C and I am wondering if it would be best to upgrade to the 215hp version or put in a stage 1 Riva kit? Which do you think would be cheaper? Which would be faster...
  6. R

    Help!! 1995 gts restoration!!

    Sorry i think i think i posted twice. Sorry its my first time. ok, so i lied. I am not technically a noob. I've been riding seadoos my whole life. However, this is the first time i am actually doing the work and the maintenance myself. So here is the low down! I just bought a 1995 GTS it...
  7. T-Hooks180

    2011 sea doo challenger 180, same motor as the ski? PERFORMANCE HELP!!!!

    I have a 2011 sea doo challenger 180 with the 215hp motor in it. I am looking to do some performance mods to give it a little more power throughout. I was wondering if all the mods that work on the 215hp skis would work in my boat and what would be the best thing to get to get more power...
  8. T

    1995 speedster wear ring ring not seated

    i bought a 95 seadoo speedster a month ago,, took it in the water once for couple hours,, starbpard engine died and hobbled back on one engine,, had carbs rebuilt by hopefully experienced mechanic (not alot pwc mechanics in my area). went out today sunday and boat wouldnt gain any speed. also...
  9. T

    1995 speedster wearing ring not seated

    i bought a 95 seadoo speedster a month ago,, took it in the water once for couple hours,, starbpard engine died and hobbled back on one engine,, had carbs rebuilt by hopefully experienced mechanic (not alot pwc mechanics in my area). went out today sunday and boat wouldnt gain any speed. also...
  10. D

    What are the Performance Results when Restrained?

    I am an inventor working on two environmental projects involving jet skis that I am releasing free to the public. One is using a Jet Ski for Flood Control, restraining the craft to pump flood water. Where can I get answers to questions like when restrained; max. Lbs. of pull max. max RPM before...
  11. nwittema

    What's slowing my 2000 GTX down?

    Hi all, My Seadoo has actually gone through the whole summer with no problems. I recently did notice that it seems/feels slower. I got the top speed via Garmin gps at 50.1mph - my speedometer does not work ( :rolleyes:). This seems slow for what I expect with the 951 engine so I did some...
  12. M

    Performance mods to 94 SP?

    Hey all, What kind of modifications can I make to my 94 SP to improve its performance? -Marc
  13. T-Hooks180

    2011 sea doo challenger 180performance/ mod HELP!

    i just bought a new sea doo challenger 180. i currently have 4 hours on the boat. its been seeming really doggy the whole time i have had it and i was wondering if it had anything holding it back for the first 10 hours of break in. I was also wondering if there was any performance mods for...
  14. Michael211_2000

    RXT 215hp impeller pitch?

    Ok I've searched these forums and read and read for almost 2 hours now... what is the stock impeller pitch for a 2006 RXT 215hp? What would be a good aftermarket performance impeller pitch for it? I'd like to put a Solas impeller in (nice and shiney!), but don't want to kill the top-end and...
  15. R

    RXT-X 255 not going past 50 MPH when usually goes 70

    I verified I was using correct key, even tried learner key and it topped at 40 as it should. I had mid grade ethanol gas in it but burned most of it out last use a few months ago at less than 1/4 tank (when it beeped). on the ethanol mid grade fuel it ran a little rough at first but once...
  16. S

    SeaDoo Explorer Price to SELL

    link to boat: http://longisland.craigslist.org/boa/1895708868.html PRICE DROP....NEED GONE :willy_nilly: Up for sale is a 1993 sea doo explorer jet boat. it is in amazingly excellent condition for its year. Comes with... Trailor 2covers tool kit, fire ext., flairs, horn, 2...
  17. D

    2000 XP Loss in top end performance

    I have a 2000 XP. It has been running great but last weekend I noticed a loss in the top end / high speed performance. It will only run about 40 mph and 5k rpm. Normally will hit ~55 mph and ~6300 rpm. I replaced the plugs but they did not look too carboned, nothing out of the ordinary. I...
  18. M

    Found Wrong Pump Housings on '04 Speedster 200 Twin

    Hello everyone. I hoping someone can give me some advice. The wear rings in my '04 200 speedster need to be replaced but some previous owner/mechanic got cute and put non-stock parts on the boat. :rolleyes: The pump housings currently on the boat are BRP pt# 271 001 258, which I believe are...
  19. JESSECONSOPOLUS

    02 rx d.i performance advice

    Blew the RX D.I, bad oiler, shelled the rear rod/piston. I am about to purchase the Hot Rods crank and .50 mm overbore WSM top end kit. Is this a good setup and will i see a performance increase at all? I would figure yes on the regular 951 carb setup but on a D.I? Will the D.I perform ok with a...
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