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Thread: 10.25:1 in 200x

  1. #1
    averysdad is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Jan 2013
    Location
    Cleveland, tx
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    218

    10.25:1 in 200x

    I do a lot of slow riding with my kids 90 percent of the time I mean slow like 1st gear . If I use a 10.25 to 1 piston in my 200x will it over heat? Plan is to later get a mild can and cr200 carb when the kids are not around I would like it to be a little snappy.

  2. #2
    Join Date
    Mar 2010
    Location
    Slidell, LA
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    4,738
    no, it won't and you can get away with running 89 with 10.25:1. You won't need a bigger carb for that piston and cam, just re-jet.
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  3. #3
    86125m is offline Got The Holeshot Arm chair racerJust too addicted
    Join Date
    Jan 2014
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    La
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    1,062
    no you are good if my 200m can run a high compression .75 over piston going slow without over heating you should be fine.

  4. #4
    Join Date
    Jan 2009
    Location
    ohio
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    1,767
    You might have a spark knock issue. At least I did on the one I built it wanted to spark knock until I ran 93+ gas
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  5. #5
    averysdad is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Jan 2013
    Location
    Cleveland, tx
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    218
    I use 93 all the time anyway I don't ride much and I ride slow don't use much gas
    Last edited by averysdad; 03-19-2016 at 09:22 PM.

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