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  1. #1
    rxpsquad's Avatar
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    riva blow off valve

    hi
    can anyone tell me what size the vacuum hose is for the riva blow off valve
    inside dia
    and how long it is
    i have been given one but it is missing this hose
    cheers steve


  2. #2
    rxpsquad's Avatar
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    does no one know the answer to this ??????

  3. #3
    MSRXP's Avatar
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    Measure the tip with a caliper or a ruler with mm. Take to the store and get two close sizes. 1 foot of each. Then see which fits better. Then go back and estimate how much you need. No more than 3 feet if you are going back to the intake manifold.

  4. #4
    rxpsquad's Avatar
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    Hi
    thanks for the answer but i don't have my ski at the moment its having an engine rebuild so i wanted to know
    how long it is and the inside dims so i could get one before my ski comes back
    as it might be best to measure the tip of the part i have to drill into on the engine
    cheers steve

  5. #5
    Sayers's Avatar
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    4mm hose fits nicely on the HKS Riva one. Should squeeze over the intake mani nipple if that's the route your going.

  6. #6
    rxpsquad's Avatar
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    hi
    thanks for that sayers i will order some 4mm hose now
    so when i go and pick the ski up
    i can fit the blow off valve before dropping it in the water
    cheers steve

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