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  1. #1
    Moderator Sigma's Avatar
    Join Date
    Nov 2006
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    Roosevelt
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    10,928

    Pitch/speed calculator How does your rig stack up?

    Mike

    In Memory of Michael
    Fantastic Father and Loving Son
    A true man at 23 years old

    "What was once a great country has been mortgaged and bankrupted by the egos and ethics of career politicians."

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  3. Member
    Join Date
    Nov 2005
    Location
    Belton
    Posts
    42
    #2
    My motor 2006 yamaha 90 2stroke. How do I get gear ratio?

  4. Member Bub's Avatar
    Join Date
    Sep 2009
    Location
    Imperial, Mo
    Posts
    7,505
    #3
    I don't check this thread very often so I'm sorry it's been a long time since you posted your question... The 90 Yamaha has a 2 to 1 gear ratio.

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