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Type: Posts; User: skiworx; Keyword(s):

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  1. Replies
    154
    Views
    23,498

    Re: Ultra 150 & STXR owners thread

    After years of research we found that the balancer bearings in the Kawasaki did NOT like keeping the same oil all the time. We had a failure rate more often from rear balancer bearings from blocking...
  2. Replies
    1
    Views
    364

    Parting a 2007 Ultra 250X

    For parts
    Engine was rebuilt last summer 0 Hours
    Rings
    Bearings
    New Crank
    Timing Chain
    rebuilt head with valve job (07 head was checked for cracks)
    New Oil cooler
    Ski is complete nothing has...
  3. Replies
    154
    Views
    23,498

    Re: Ultra 150 & STXR owners thread

    This is a bad Idea!
  4. Replies
    4
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    22,580

    Re: Water not coming out of exhaust pipe

    This is common on Yamaha's either the pipe is compacted with sand or the inner pipe has corroded away and the rubber seal is now blocking the water flow.. Either way you will need to remover the...
  5. Replies
    12
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    9,592

    Re: mods for 900stx

    Here are some good mods that should help out!

    Impeller
    R&D Rideplate
    Center bar cut grate
    Milled Head
    CV Carb mod
  6. Replies
    35
    Views
    21,255

    Re: SXR Basic questions

    We use and recommend a 40:1 ratio!
  7. Replies
    1
    Views
    955

    Re: Ultra 150 reaches 6000rpm

    John, Call me!! 410-766-7900
  8. Re: Ultra 150 not reaching full RPM's, only 3100rpm

    Ski is at our shop..
  9. Replies
    4
    Views
    9,097

    Sticky: Re: Ultra/STX-R "Level 1" Economy Kit..

    With our standard "level 1" kit we generally see gains in the 3-5 mph range with awesome hole shot!! Our economy kit has been seeing very similar results with less bling..
  10. Replies
    4
    Views
    5,977

    Re: Help Loss of RPM

    The carbs need to be reworked.. The setup we sent you is too rich for stock class.. Stock class mod is tricky because of the lack of compression.. If you where to go to limited and add a head or mill...
  11. Replies
    4
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    5,977

    Re: Help Loss of RPM

    Who did the work? Did you have head work or change heads?
  12. Replies
    1
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    5,522

    Re: 900 zxi Crankshaft

    We use SBT cranks and have had good success with them.. http://www.sbtontheweb.com/Merchant2/merchant.mvc?Screen=CTGY&Category_Code=20-2
  13. Thread: se drop nozzle

    by skiworx
    Replies
    3
    Views
    5,943

    Re: se drop nozzle

    Left side lower!
  14. Thread: Octane mixing?

    by skiworx
    Replies
    6
    Views
    6,802

    Re: Octane mixing?

    No! The problem with raising compression with pipes is that the pipes where intended (91 octane) to run around 125 PSI so anything higher will cause detonation without higher octane.
  15. Replies
    4
    Views
    9,097

    Sticky: Ultra/STX-R "Level 1" Economy Kit..

    As many of you already know our "level 1" kit has seen great success over the years! This has been our # 1 seller hands down with high satisfaction.. We credit the success of this kit simply being...
  16. Thread: Octane mixing?

    by skiworx
    Replies
    6
    Views
    6,802

    Re: Octane mixing?

    Yes... To be safe you will need atleast 100 octane..
  17. Thread: shaved heads

    by skiworx
    Replies
    3
    Views
    6,249

    Re: shaved heads

    $50.00 a head if we CC them. Or $40.00 a head if we cut them to the squish..
    The most we have gotten was 170-175, but we do not recommend going over 145 with stock milled heads..
  18. Replies
    1
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    5,242

    Re: How can I tell it is yours?

    Email me a pic of the one you want to buy and I will let you know!! Steve@skiworx.com
  19. Replies
    1
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    5,716

    Re: flow control valve

    Hi, without our stinger mod there is no place to install the valve.. The valve is only part of the kits design.. Over the years many have wanted to use our stiger kit in stock class but there has...
  20. Replies
    3
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    5,964

    Re: spacer plates...??

    Hi, they are $15 a piece! Dont foget, if they are not already done you will also need to deck the top of your cylinders.. We do have the spacers in stock.
  21. Replies
    64
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    10,795

    Re: Oil Injection Stay or Go..

    here's another thing. people that take these thing out on the water, that don't have much experience, roll them over, sloshing the oil around real good, it can make air bubbles in the lines. you get...
  22. Replies
    64
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    10,795

    Re: Ultra 150 Engine Failure Analysis

    GTO, I will go over your post here and I will start a new thread to try to help you out..
  23. Replies
    64
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    10,795

    Re:Oil Injection Stay or Go..

    I will answer it right here! We do not recommend for any Rec. rider to remove the factory oil injection from a Kawasaki Ultra 150 or an STX-R. Yes it is true oil injection has its flaws (i.e.. lines...
  24. Replies
    1
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    4,991

    Re: Stage 1 dome changes

    Yes, you can run smaller domes as long as you run higher octain fuel..
  25. Replies
    6
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    9,657

    Re: 99 ultra 150 pump shot

    No problem. We were just tying to help you fix it correctly.. Our kit is $75.00 and does come with the improved seals (3).. Good luck with that.
  26. Replies
    6
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    9,657

    Re: 99 ultra 150 pump shot

    The only way we have been able to keep Ultra 150 pump bearings from failing prematurely is to use the bearing and seal kit we have.. Other wise the repair will be short lived..
  27. Thread: Welcome

    by skiworx
    Replies
    1
    Views
    5,899

    Re: Welcome

    Hey Morris.. Yes we have.. I would like to take this time to let everyone know we are here to answer any questions they may have performance or not..
  28. Replies
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    2,656

    Re: ultra 150 bleeding oil lines

    Here is a little trick to speed up filling the lines. When you first go out have the seat off and manually reach down and trun the oil pump arm wide open and idle around for a little bit.. This will...
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