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  1. #1
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    Tell me about PWC's (personal water crafts)

    I never ride my Yamaha R1 and im considering getting rid of it and replacing it with a Jet Ski. what do you recommend?
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  2. #2
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    I used to race PWC when I lived in Florida many years ago. I haven't been up on them since they started putting forced induction into them. There's one thing you should be prepared for and that is PWC break frequently, especially if used in salt water.

  3. #3
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    Now this is a great thread.

    I have done research as I too would get more use out of a PWC than a bike. Plus, I could go crazier and just fall in water rather than... well, you know.

    It really depends on budget and if you want two or three seats.

    By the way, if you want a great resource with a community who likes to mod I recommend www.greenhulk.net for your research.

  4. #4
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    Oh, I would be giving the new Kawasaki ultra 300 X a very good look:

    Kawasaki sent greenhulk.net some press information on the new 300X monster that's loaded with tech info so I wanted to share it with you guys here.

    To me is the most impressive feature is the new Eaton TVS supercharger with 17lb's of boost. This is the same brand supercharger that's used on blown nitro cars, Cadillac CTS-V, Ford Shelby GT 500 and the 2010 Audi S4 just to name a few.

    The new TVS (twin vortices series) supercharger uses twin four lobe rotors to produce a continues delivery of air for smoother throttle response and a significant increase in performance. The superchargers output volume is 2019.3cc per engine revolution.
    The rotors are coated to prevent galling by rotor to case contact during initial start up. The dark gray coating wears to mate the rotors to the case allowing tighter clearances.

    The supercharger gear set increases supercharger speed by a ratio of 2.1:1 and utilizes a rubber damper to reduce drive line shock and vibration. The transmission case is filled with Nye605 oil.

    Fogging the engine is made easy as the supercharger has a fogging oil service port built in. Just inject fogging oil for 10 seconds while the engine is at idle.

    The new 300X features a newly designed supercharger automatic belt tensioner which requires no maintenance or special tools.

    It also features dedicated intercooler discharge lines along with a flush port to help the intercooler maintain peak performance.

    The newly designed intake manifold is maye from Polyamide Nylone for extreme durability and less vibration on sensors. This intake manifold also reduces weight by 5.7 lbs and uses a new O-ring manifold seal.

    The engine features new exhaust valves with a stem diameter (at head) which is increased from 5.3 to 6.3mm. The valve head support has increased in size from 39 to 47mm.

    The engine features an upgraded cooling system which changes the water jacket volume from 56.5 to 20mm which prevents overcooling at low engine RPM (5000 RPM and below)
    The crankshaft end has changed to allow the rotor to attach via a spline. Previously this was attached with a taper. The engine cases are rib reinforced to handle the increase in power.

    The engine also has an upgraded oil cooler which ensures sufficient cooling at high RPM. The oil cooler is now thermostatically controlled which controls oil flow to decrease warm up time.

    The skis feature an upgraded driveline coupler which provides additional strength to handle the increased power output. Thread sizes on the coupler have increased from M24 to M30.

    The ski features a new larger diameter pump which increases thrust by 244 lbs.
    Pump diameter has increased from 155 to 160mm and the guide vanes are thicker for increased durability.
    The new pump has a double bearing driveshaft support with new shaft nut. The nut stops the shaft from moving forward.

    The newly designed steering nozzle is 20mm shorter than the ultra 260 and reduces from 91mm to 88mm.

    The new pump impeller has a newly designed leading edge which helps hook up and keeps cavitation to a minimum. The trailing edge is flat to maximize pressure through the pump guide vanes (same as a 260X) Blade surface has increased from 11.5 to 13.0 in per blade.


  5. #5
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    Now I want one.

  6. #6
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    I had all Sea Doos and 1 Polaris. Had 5 at one time.

  7. #7
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    Click here to enlarge Originally Posted by Yomama69 Click here to enlarge
    I had all Sea Doos and 1 Polaris. Had 5 at one time.
    And you enjoyed them I take it?

  8. #8
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    i've been riding them for 20 years...fun times...70mph on water is neat

    and, i haven't experienced the excessive maintenance that yomama talks about

  9. #9
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    Click here to enlarge Originally Posted by black bnr32 Click here to enlarge
    i've been riding them for 20 years...fun times...70mph on water is neat

    and, i haven't experienced the excessive maintenance that yomama talks about
    Newer models/hulls are more reliable.

  10. #10
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    Rxp-x by sea-doo
    JB4LIFE

  11. #11
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    Click here to enlarge Originally Posted by black bnr32 Click here to enlarge
    i've been riding them for 20 years...fun times...70mph on water is neat

    and, i haven't experienced the excessive maintenance that yomama talks about
    Salt or fresh water? Salt water is much harder on a motor, even with fresh water flushes afterward.

    Also, all my engines were personally bored out by Glen Perry.

  12. #12
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    fresh

  13. #13
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Oh, I would be giving the new Kawasaki ultra 300 X a very good look:




    http://www.youtube.com/watch?v=qCM2q...el_video_title
    WHOA i think i just made my choice..
    Click here to enlarge
    2008 Lexus LS600hl
    2006 CLS55 AMG.
    508whp/564tq.
    171mph at The Texas mile 2011.
    Mods Everything.
    Going fast with class!!

  14. #14
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    Click here to enlarge Originally Posted by Full Throttle Click here to enlarge
    WHOA i think i just made my choice..
    Yes... YES.

    Plus with that big blower if you get bored... pulley swap or bigger Eaton Click here to enlarge

  15. #15
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    4 cyl. 300hp motor with 20 gal fuel tank. Ridiculous. When I was doing this, most of the motors were 2-stroke and if you could push 120hp out of them, you were flying. They only weighed about 450 lbs. and did 70 mph with engine work.

  16. #16
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    300 hp supercharger out of the box.... I wonder what it can be modded to.

  17. #17
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    300 hp supercharger out of the box.... I wonder what it can be modded to.
    Pulley and tune :-)
    Click here to enlarge
    2008 Lexus LS600hl
    2006 CLS55 AMG.
    508whp/564tq.
    171mph at The Texas mile 2011.
    Mods Everything.
    Going fast with class!!

  18. #18
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Oh, I would be giving the new Kawasaki ultra 300 X a very good look:




    http://www.youtube.com/watch?v=qCM2q...el_video_title

    "Feels like I'm a rich guy!" -asian man. LOL and the music was just laughable at; 4:00.

    Crazy power on the water though. I would love to own one.
    Click here to enlarge Originally Posted by Twinturbom3 Click here to enlarge
    Keep on jealousing.

  19. #19
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    1 out of 1 members liked this post. Reputation: Yes | No
    JB4LIFE

  20. #20
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    Click here to enlarge Originally Posted by mazdaspeed6 Click here to enlarge
    Pretty cool, but the Sea-Doo can't do much past 60 mph.

  21. #21
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    i think that rxp-x does 70? i was going to get one last year but never did just put the money in my car Click here to enlarge
    JB4LIFE

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