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  1. #1
    Jarrett's Avatar
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    What are symptoms of a boost leak?

    What are symptoms of a boost leak?


  2. #2
    ctriverguy's Avatar
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    less boost...




    sorry couldnt resist.lol




    depends on the leak.. what symptoms you got?

  3. #3
    Site Admin Green Hulk's Avatar
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    Low boost from a boost leak will result in lower RPM's.

  4. #4
    Prohibido usuario
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    Made a pot of chili beans Monday night and I got some serious boost leak right now.

  5. #5
    Jarrett's Avatar
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    Quote Originally Posted by ctriverguy View Post
    what symptoms you got?
    Idles fine, gets the same top RPMs as other similarly modded skis, but maintains the same RPMs in vastly different climates. Shows occasional changes in performance, throttle response, top speed. Also seems to surge around mid throttle. +/- 80 RPMs sort of thing. Can't hold it on a fixed RPM at around say 5800. But idles normally and holds max RPM fine.
    Quote Originally Posted by NCHeel View Post
    Made a pot of chili beans Monday night and I got some serious boost leak right now.
    As corny as this is, it actually made me chuckle

  6. #6
    speedskixp's Avatar
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    Surging at cruising speeds is ussualy a lean condition. Its not gonna hurt anything but if you had a way to add some fuel it would pick up some throttle responce. Also, top rpms on stock ecu boats dont seem to be effected by climate as much as on A/M ecu boats. They ussualy do pick up acceleration with the good weather though. Also if you are turning peak rpms already the timing curve drops off significantly after that. Just because you are not gaining rpms with the better weather does not meen you are'nt gaining. You can probably turn more prop close to the same rpms and gain some speed but its a trade off for the extra acceleration. Hope this makes sence,

  7. #7
    Nothin' better than Doo'in it! BigDaddyRXP's Avatar
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    Quote Originally Posted by NCHeel View Post
    Made a pot of chili beans Monday night and I got some serious boost leak right now.
    Still... from Monday night Damn... those were some potent beans

  8. #8
    Jarrett's Avatar
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    Quote Originally Posted by speedskixp View Post
    Surging at cruising speeds is ussualy a lean condition. Its not gonna hurt anything but if you had a way to add some fuel it would pick up some throttle responce. Also, top rpms on stock ecu boats dont seem to be effected by climate as much as on A/M ecu boats. They ussualy do pick up acceleration with the good weather though. Also if you are turning peak rpms already the timing curve drops off significantly after that. Just because you are not gaining rpms with the better weather does not meen you are'nt gaining. You can probably turn more prop close to the same rpms and gain some speed but its a trade off for the extra acceleration. Hope this makes sence,
    That's interesting. I'm thinking about going to an aftermarket ECU (SeaDoo Centre Stock class) with a leaner map on it, maybe not the best idea if I'm running lean already I guess. I don't have a way to get more fuel to it at the moment other than going with a bigger injector I guess. I'm trying to keep from taking a serious fuel economy hit though by doing that.

  9. #9
    speedskixp's Avatar
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    Quote Originally Posted by Jarrett View Post
    That's interesting. I'm thinking about going to an aftermarket ECU (SeaDoo Centre Stock class) with a leaner map on it, maybe not the best idea if I'm running lean already I guess. I don't have a way to get more fuel to it at the moment other than going with a bigger injector I guess. I'm trying to keep from taking a serious fuel economy hit though by doing that.
    Bro, if you plan on going with a SD centre ecu you better have a way to comtrol the fuel cause they are SUPER lean. I have heard of boats in the high 14s and low 15s WOT with those ecu's.. If you go that route you better be checking A/F.

  10. #10
    Having Fun jp1300r's Avatar
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    The surge at 5800rpms is the boost coming on. You sorta need to run under or over that rpm range of 5500-6500rpms.

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