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  1. #1
    PWCToday Regular
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    Pop off PSI for 97 900 ZXI

    Anyone know the pressure for a 97 zxi 900?

  2. #2
    PWCToday Newbie barlosbhz's Avatar
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    Re: Pop off PSI for 97 900 ZXI

    31 psi on the 3 needles. I changed my 3 needles and put new 1.6. I got this measurement and skiing is working perfect.This one with standard pistons.

  3. #3
    PWCToday Regular
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    Re: Pop off PSI for 97 900 ZXI

    I ended up lower. I think it was 26 PSI.
    I am only on the second tank of gas after the rebuild.

    I noticed that the bottom end and top end bog a little. I am still running premix along with the injection. I was going to wait until I was running straight gas and new plugs before I try tuning but now I am so what concerned it is the pop off pressure.

  4. #4
    Frequent Poster a1cnc's Avatar
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    Jun 2017
    Location
    NH
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    Re: Pop off PSI for 97 900 ZXI

    I screwed with my pop off pressure ALOT this season. Lower higher right in zee middle. My bottom end bog I cured eventually with richer pilots and leaner screw setting and a pop off ~25-32 psi. Top end bog would be controlled by main jet. It depends on if it's rich or lean.
    Can you describe what it does?
    1998 ZXI 1100 Red
    2001 SeaDoo GTS Sold
    1998 ZXI 1100 yellow ...coming soon
    1994 Polaris SL750 $50 I couldn't help myself!

    I suffer from JOCD!
    Jet-ski Obsessive compulsive disorder

  5. #5
    Frequent Poster a1cnc's Avatar
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    Jun 2017
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    NH
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    Re: Pop off PSI for 97 900 ZXI

    BTW, Where are you riding? I am looking for someone to ride with.
    1998 ZXI 1100 Red
    2001 SeaDoo GTS Sold
    1998 ZXI 1100 yellow ...coming soon
    1994 Polaris SL750 $50 I couldn't help myself!

    I suffer from JOCD!
    Jet-ski Obsessive compulsive disorder

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