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  1. #11
    Top Dog
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    Re: JS 550 Crank seal question

    longer=better.

  2. #12
    Resident Guru BigDawg's Avatar
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    Re: JS 550 Crank seal question

    Crank seal placement is as follows.
    Stator end - (One seal) - Spring side towards crankshaft.
    Coupler end (two seals) - Inner seal - Spring side towards crankshaft / Outer seal - Spring side faces coupler.

    Grease each seal lip with a liberal amount of quality wheel bearing grease.
    Use a thin layer of 1211 around the outer portion of each seal to seal to the case halves.
    Use a thin layer of 1211 on the case halves and bolts. Torque to specs and let set for 24 hours.
    When installing your starter, use a thin layer of 1211 again at the starter (O-ring area) to case mating surfaces.
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  3. #13
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    Re: JS 550 Crank seal question

    Another question. The stator wires have two that are the same color green. How do you tell which one is which and where it goes where?

    I took pictures before hand, so i know where they go, its just there are two that are the same color!


    Sent from my iPhone using Tapatalk
    JS 550 85'
    JS 550 87'
    SX 300 91'
    X2 89'
    SL 650 Triple 92'

  4. #14
    Resident Guru BigDawg's Avatar
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    Re: JS 550 Crank seal question

    You can install the green wires from the stator to either green wires in the box. They are interchangeable.
    Last edited by BigDawg; 12-12-2017 at 05:49 PM.

  5. #15
    PWCToday.com Is My Home Away From Home Waxhead's Avatar
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    Re: JS 550 Crank seal question

    Unless you suffer from some form of retardation do not do this
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    Last edited by Waxhead; 12-12-2017 at 05:55 PM.
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  6. #16
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    Re: JS 550 Crank seal question

    Quote Originally Posted by Waxhead View Post
    Unless you suffer from some form of retardation do not do this
    I must have a mild form of it, because I'm not following...
    JS 550 85'
    JS 550 87'
    SX 300 91'
    X2 89'
    SL 650 Triple 92'

  7. #17
    PWCToday.com Is My Home Away From Home Waxhead's Avatar
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    Re: JS 550 Crank seal question

    Quote Originally Posted by PWCguy123 View Post
    I must have a mild form of it, because I'm not following...
    This is a picture some one posted of how they did the sealant on their cases
    Www.waxracingproducts.com
    All your billet vintage parts in one place

  8. #18
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    Re: JS 550 Crank seal question

    Quote Originally Posted by Waxhead View Post
    This is a picture some one posted of how they did the sealant on their cases
    Got it that time...the picture quality wasn't good before, but now I can see what is going on.
    JS 550 85'
    JS 550 87'
    SX 300 91'
    X2 89'
    SL 650 Triple 92'

  9. #19
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    Re: JS 550 Crank seal question

    Thanks for the help guys. Pressure tested lower end last night and it held consistent psi without any drop after several minutes. Started up and everything is running fine, curious if I will notice a difference.

    I also advanced timing all the way counter clock wise. Saw somewhere this was best for these skis.
    JS 550 85'
    JS 550 87'
    SX 300 91'
    X2 89'
    SL 650 Triple 92'

  10. #20
    PWCToday.com Is My Home Away From Home mcn6's Avatar
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    Re: JS 550 Crank seal question

    Not a good idea, especially if you are running premium pump gas with higher than stock compression.

    Unless of course you don't like your pistons and crank?

    Quote Originally Posted by PWCguy123 View Post
    I also advanced timing all the way counter clock wise. Saw somewhere this was best for these skis.



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