650sx cooling help
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  1. #1
    PWCToday Newbie
    Join Date
    Jul 2018
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    Taxxachusettes
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    650sx cooling help

    I have searched and canít find the correct info. My 650sx has 3 pissers, bought the it this way. Only has 1 cooling line coming in. Anyway it has been running great, but the pipe is getting real hot. Melted my bilge hose and everything. On the hose all 3 pissers gush water, on the water only 2 do, the third, which is the line from the exhaust to the stinger, blows very little water and actually blows exhaust? Again running good, and no issues on the hose, but on the water does not seem to be getting any water in to the pipe? Any ideas? 1991 650sx
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  2. #2
    Resident Guru JC-SuperJet's Avatar
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    Jul 2013
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    Cypress, TX
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    Re: 650sx cooling help

    You have too many Pissers: 1 cooling in = 1 Pisser Out (Rule of Thumb).

    The front cylinder head fitting should be plugged. Rear cylinder head fitting should have the hose that arches connected to it. Swap the cylinder head fittings if that makes the hoses conform better and not kink.

    Only Pisser needed is the one coming from that heavy-*** brass Tee. Ideally, the hose from the Tee 90 degree branch should feed the Stinger and the straight thru portion of the Tee should go to the Pisser.

    Hose Arrangement should look like this:

    single line stock head cooling water routing.jpg
    Last edited by JC-SuperJet; 08-07-2018 at 12:30 AM.

  3. #3
    PWCToday Newbie
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    Re: 650sx cooling help

    Thanks JC- I will try that this weekend. Any clue as to why it was set up like this to begin with?
    TJ

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