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  1. #1
    Pain is fear leaving your body.... rlovebk's Avatar
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    Help with pulse line clean-up

    Hi. I just had my carbs re-built and have a bunch of gunk looking old fuel stuff plugging the pulse line. If I understand this correctly, the pulse line runs off of compression released from the bottom end. What can I safely use to clean this out? I dont want to screw the bottom end up. Thanx for any tips on this. I appreciate all the help and support I get from the guys on here. Amazing how knowlegable you guys are. Rod.


  2. #2
    Lake Mead Bum & BTLS Mark starflight's Avatar
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    Why not just replace the line?

  3. #3
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    Correct. ^^^^^^^^^

    Replace all the fuel hoses. Including the pulse line. It'll run $20 or less.

    If you do replace the hoses, also check inside the fuel tank. Some early models used hoses. If you have the aluminum (silver) pick up tube, there aren't any.

    Be on the look out for a brass restrictor inside the return hose, just past the carbs. It needs to be re-installed for proper fuel pressure.

  4. #4
    ph2ocraft's Avatar
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    When you replace the pulse line be sure to use a high quality re-enforced line.

  5. #5
    Pain is fear leaving your body.... rlovebk's Avatar
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    Thanx. All fuel lines except pulse line were replaced. This gunk seems to have come from the bottom end via bad diaphram (i am guessing here) on old single outlet pump. I recently replaced w/a 3 outlet. Gunk from bottom end plgged pulse line. If this is cleared, should I assume there isnt more in the bottom end? I'm hoping to take it out this weekend to the lake to test. I just wanted to know if there is a way to ensure there is no more gunk, by way of cleaning out bottom end, so no more ends up in pulse line. ALL other lines are clear and have been replaced. Thanks again. Rod.
    Oh yeah, I joined PWC today, they told me to get a real ski, LOL.
    Last edited by rlovebk; 10-13-2008 at 11:15 PM. Reason: dumb

  6. #6
    She likes the bike. But the ski gets her wet!!!! xlint89's Avatar
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    The only way I know of, is to remove the carbs, intake manifold, and reeds. Then you need to adapt a small hose to a shop vac. Then slip it between the crank webs and suck the bottom of the case out. Only way I can think of with the engine in the hull.

    PWC Yesterday is a helpful site, isn't it????

  7. #7
    Click avatar for tech links/info, donation request K447's Avatar
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    You can tip the hull to one side, to allow the liquid to pool closer to, or perhaps even run out, the pulse fitting. Loosen the tie downs, and shift the hull to one side on the bunks, will give you some engine tilt.

    Parking the trailer (strap the hull down to the trailer) with one wheel higher than the other will also give you some more drain angle.

    Combined with pulling the carbs and reed cage to get at the crank case, you should be able to get most of the liquid out.

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