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Thread: YSI Gear ratio

  1. #1
    Junior SCH Member
    Join Date
    Aug 2004
    Posts
    16

    YSI Gear ratio

    Hi,

    What is the internal step up ratio on a YSI gearing?

    I am trying to figure out pulleycombo to blower impeller speed.

    Thanks

  2. #2
    SCH Member
    Join Date
    Dec 2003
    Posts
    89
    3.45 for the V7 YSi and 4.21 for the V27 YSi
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