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Thread: t tsat testing

  1. #1

    t tsat testing

    i have a tstat which i think is from a sl 750. (see pic) and i am going to put in on my sl 650 but my question is how do i tets this for function can i put the whole thing in boiling water? and at what temd should it open at? thnaks please respond fast as i am going tomorrow and i need to have this done. thanks
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  2. #2
    Moderator beerdart's Avatar
    Join Date
    Aug 2006
    Dont install the thermostat and you will be fine with just the pop-off valve.

  3. #3
    Click avatar for tech links/info K447's Avatar
    Join Date
    Jul 2007
    near Toronto, Canada
    Quote Originally Posted by smartalec_87 View Post
    I have a thermostat which I think is from a SL750. do i test this for function...? what temp should it open at?
    You can check the Service Manual, but I think it opens at around 143F. You can test it in a pot of water. Heat the water gently (not boiling), and watch when it opens.

    Unless you ride in very cold water, you can get away with removing the thermostat.

  4. #4
    i ride mostly in nor cal so would u all recomend removing it? or keeping it in? thanks

  5. #5
    ph2ocraft's Avatar
    Join Date
    Apr 2006
    Campbell, Ca.
    I'm in Northern Cali and I don't have a thermostat in anything PWC I own,ust be sure to give it some warm up time. We idle ours out a few minutes before rocking.

  6. #6
    so take out the gasket around the t stat too? (not the main o-ring) thanks

  7. #7
    ph2ocraft's Avatar
    Join Date
    Apr 2006
    Campbell, Ca.
    Correct get rid of the ring on the thermostat as well. The almost 8 on the cover will do the sealing and assure no leak. Be sure to clean the surfaces well and use a sealant if you didn't replace the 8 ring.
    Your pop off valve looks like it's in good shape, don't forget it's seal.

    21 here.
    Last edited by ph2ocraft; 07-17-2008 at 12:42 AM.

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