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  1. #1

    Question Blaster 1 pop-off pressure

    Hello to everyone, I have been lurking in the forum for sometime and after reading your opinions have recently bought 2 skis, 94 purple hull (runs great) and a Blaster 1 (blown).

    I bought a freshwater 61X motor and am in the process of rebuilding the carb. Now for the dumb question, what is the stock pop-off pressure for a stock 61X 44. I tried to search the forums and came up zilch.


  2. #2
    This is going to hurt!! DANGER1049's Avatar
    Join Date
    Mar 2008
    I'am new to the ski thing to. What exactley is pop off pressure. What do you mean???

  3. #3

    Here goes

    Pop-Off pressure is the amount of manifold pressure necessary to lift the needle valve from its seat allowing fuel to flow past. This is determined using a pop-off-pump. Typically Pop-Off pressure for round carbs runs from 8-12 psi and square carbs run from 25 to 35 psi. If any of this is incorrect please flame it. I still cannot find stock pressure for a Yamaha 701 61X in the manual.

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