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  1. #1

    Stock Speed to RPM ratios

    Hello Everyone,

    I have a stock 2006 Sportster 215 SC, and I am trying to figure out what should be my average speed based on RPM.

    So post your speed and RPM..I think this will help figure out if it the pump or engine power.


  2. #2
    gie187's Avatar
    Join Date
    Oct 2008
    Location
    Lake Winnipesaukee (in NH)
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    60
    I have a stock 2008 SCIC 150 and I get about 7850-8000 max RPMs. Just did a gps speed check and got 55mph on pretty much full tank with one person.

  3. #3
    Thanks gie187..anyone else?

  4. #4

    Join Date
    Jan 2007
    Location
    Lakeland, FL
    Posts
    1,414
    Well, back in '07 when I was stock, mine was the same as above, 7850-8000 max rpms @ 55mph in warm water, but I could almost hit 57 in cold water. Now, I believe I'm running 55mph at around 7100-7200rpms, and 65 @ 8120, he he.

  5. #5

    Join Date
    Jun 2009
    Location
    Tierra Verde, Florida, United States
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    Quote Originally Posted by gie187 View Post
    I have a stock 2008 SCIC 150 and I get about 7850-8000 max RPMs. Just did a gps speed check and got 55mph on pretty much full tank with one person.
    same as above with a full tank. Working on some upgrades have them just haven't gotten around to putting them in. With the gas prices I just hat to lose anything.

  6. #6
    ...Lighting The Water On Fire Since '04 duramaxxed's Avatar
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    Jun 2008
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    The Hamptons, Long Island, New York
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    See my Sig. That is with everything Listed In there, and a Full Tank, 1 Person.

    Once I Hit the Water this Year with my New Mods, I'll Adjust my Sig Accordingly.

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