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Thread: Just ran 106.4 mph. 21 Liberator-300xs

  1. #11
    Bullhead Bully
    Wildman,
    You mentioned in a previous post your red line is 6400....Mercury is saying 6100...My friend, Bullhead Bully has 300xs twins and he gets 6100. Did you mod something to go 6400? My 300xs goes 6100 as well....
    Ok I looked at the motor mount and it gives you a max RPM of 6400. The Manual on page 33 has the sportmaster 20 " at 6350 max . And mine is shuting down right at 6100 to 6200 I will call Merc and find out where it should be . Both of my motors are the same ,it is not a big deal but I do want to know what is right number. Scott did you already call Merc?

  2. #12
    stoker2001
    Hey Kids
    To get accurate info/history on what your motors have revved you need the dealer to plug in his DDT=digital diagnostic tester
    On second thought,maybe you dont want dealer to see this:jawdrop:
    Scott,i am still waiting to get pics from Smitty19=Andy
    I will shoot them to you and post some

  3. #13
    WILDMAN
    I've heard of people hitting the limiter at 6100-6200, but I personally have seen 6400 on several boats. Is your horn beeping? If not, you're not hitting it.

  4. #14
    TPB
    We have found it best to prop our boats at 6000 to 6100 to stay in the torque curve.
    225 Sport XS will run 90.5
    250 XS will run 97
    300 XS will run 104

  5. #15
    Bullhead Bully
    I've heard of people hitting the limiter at 6100-6200, but I personally have seen 6400 on several boats. Is your horn beeping? If not, you're not hitting it.
    Yes the buzzer is going off and the Smartcraft is saying over rev limit

  6. #16
    stoker2001
    Posting pic for "WAR CANOE"
    107Mph without a torque tab
    Notice the tiki torch shifter,classic http://i239.photobucket.com/albums/f...g?t=1190153704

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