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  1. #1
    falcondrummer's Avatar
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    SBN Carb Question

    I recently purchased a set of Riva 48mm Carbs. As far as the mounting can I have them mounted with the high speed adjuster screw facing up or should the low speed side be facing up.
    Thanks, Mike


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  3. #3
    falcondrummer's Avatar
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    I have checked the manual already. It just says the shafts need to be perpendicular not parallel to the drive shaft. So it still doesn't answer which way is up in that position. The stock carbs have the high speed adjuster on top. I have seen some peoples pics with aftermarket carbs that show the low speed screw as up. Maybe it can be either way.

  4. #4
    seems like pg 4 section c said more than that?

  5. #5
    Duke's Avatar
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    I've always liked the response from putting the high speeds down, diaphrams forward. Most pro tuners use this method.

  6. #6
    falcondrummer's Avatar
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    Thanks Duke for answering the question.

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