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  1. #1
    2017 RXT-X 300 zone 5's Avatar
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    RXT-X 260 intake/exhaust Water flow

    I've read every page of the shop manual, and I don't see this anywhere. There is no complete water flow anywhere. Just parts in a couple of sections of the book.

    What I would like to know, is where does the water get turned around, and end up going into the exhaust, and back into the motor? Looking at the path the flush line take to the exhaust manifold, and then out of it, it has to be beyond this point. the water goes out to the brake and IC, and it goes through the small hose on the top rear of the exhaust manifold into the muffler. But for the life of me, I don't see where it can get back into the cylinders.

    If someone can point this out, I'd appreciate it. Just trying to understand the tons of hose on the ski, and what it does.


  2. #2
    Work Harder, Millions on Wellfare Depend On Us! ultramaxracing05's Avatar
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    I think it goes back into the cylinders once the waterbox gets full.
    but thats what the J pipe is there for.
    I'm with you on this one.

  3. #3
    2017 RXT-X 300 zone 5's Avatar
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    Quote Originally Posted by ultramaxracing05 View Post
    I think it goes back into the cylinders once the waterbox gets full.
    but thats what the J pipe is there for.
    I'm with you on this one.
    That was what I thought too, but god forbid that Doo would say that. and I see all the J pipe bypass hoses thinking that the water is going there. plus, Doo says the exhaust system is self draining, so shouldn't any water going in come right back out? In the exhaust section of the service manual it shows very little about the water flow to the waterbox.

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