Kawasaki TS 650 waterline routing OPINIONS & SUGGESTIONS
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  1. #1
    PWCToday Newbie
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    Kawasaki TS 650 waterline routing OPINIONS & SUGGESTIONS

    Hey everyone so Iím doing some upgrades to my kawi TS 650 ski and one of them is adding a custom exhaust setup. So with that said, Iíd like to re run new waterlines and dry out my pipe.

    Iíve read many different ways on how to run waterlines but not sure which one would be the best way for my setup. Here is what Iím working withÖ

    mikuni 44mm SBN
    boyesen reeds
    Bigger intake mani
    Custom exhaust expansion chamber
    Solas impeller
    Seadoo waterbox
    jet-works FCV

    all opinions and comments are welcome. The engine mods are all a fresh setup so any input/advise on either of these mods would be much appreciated. 9127B957-FA1A-44B9-BF99-0992F8B180DE.jpegFBB617E5-726E-4296-AA7D-65E284288224.jpegFB602406-E56A-4B2D-B262-3200205997A0.jpeg66B43C70-7EE2-4115-B55D-4FDF1F80AB2E.jpeg6C902EE8-2813-4205-B744-007B1A1E3311.jpeg

  2. #2
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    Re: Kawasaki TS 650 waterline routing OPINIONS & SUGGESTIONS

    So this is what I’m thinking…B3F705A7-4BB8-408F-AF24-C62BF8B8F450.jpeg

  3. #3
    PWCToday.com Is My Home Away From Home Cleatusjo's Avatar
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    Re: Kawasaki TS 650 waterline routing OPINIONS & SUGGESTIONS

    That routing looks good. I did add a second pisser to mine right at the stock pisser location. I routed both lines thru the "glove box" box and added manual valves. If your ski feels like it's running hot just reach down and close the valves some. Used this setup for 6 years with no problems. Both valves wide open gives a 350 rpm gain as opposed to completely closed. Use 3/8 " water lines.

    Edit: I'm piped, 44mm Mikuni (125H 115L 1.5NS dull black spring),
    Match bored to cyl. and pipe R&D manifold. Coffman pipe to box.
    160psi head, stock reeds.
    Attached Images Attached Images
    Last edited by Cleatusjo; 09-07-2021 at 09:02 AM.
    '94 Kawi TS 650
    2002 Kawi STX-R 1200
    too much to list

  4. #4
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    Re: Kawasaki TS 650 waterline routing OPINIONS & SUGGESTIONS

    Quote Originally Posted by Cleatusjo View Post
    That routing looks good. I did add a second pisser to mine right at the stock pisser location. I routed both lines thru the "glove box" box and added manual valves. If your ski feels like it's running hot just reach down and close the valves some. Used this setup for 6 years with no problems. Both valves wide open gives a 350 rpm gain as opposed to completely closed. Use 3/8 " water lines.

    Edit: I'm piped, 44mm Mikuni (125H 115L 1.5NS dull black spring),
    Match bored to cyl. and pipe R&D manifold. Coffman pipe to box.
    160psi head, stock reeds.

    Nice man thank you for the reply and photos! Yeah I was thinking that same thing with the ball valves to help restrict the water. The extra line going off of your head, dose that just by pass the ball valve then out the pisser? It looks like you have pissers coming out each side of the ski?

    I’m trying to get ahold of Chris Newmiller in organ so i can see if he can mill my head and also drill & tap a extra water outlet.

    I can wait to get my ski back in the water and get everything dialed in. Just waiting on some parts to get welded and then off to powder coat.
    Last edited by yama gp; 09-07-2021 at 10:01 PM.

  5. #5
    PWCToday.com Is My Home Away From Home Cleatusjo's Avatar
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    Re: Kawasaki TS 650 waterline routing OPINIONS & SUGGESTIONS

    A milled head will give you about 160 max psi. You start to lose the squish land after you cut around .020".
    If you want more, the cumbustion chamber will have to be "shallowed". Newmiller can do that. PM him.


    edit: I really prefer the stock kawasaki castings that are altered. After market stuff are rough gritty castings. I would rather bore a kawasaki intake to 45mm than buy a " California basement casting" for a hundred bucks. The stock castings are far superior.
    Last edited by Cleatusjo; 09-09-2021 at 09:29 AM.
    '94 Kawi TS 650
    2002 Kawi STX-R 1200
    too much to list

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