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Thread: how many cc's???????

  1. 05-19-2003, 10:40 AM #1
    trikeman's Avatar
    trikeman
    trikeman is offline At The Back Of The Pack Arm chair racerFirst time rider
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    Tug Hill, NY
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    how many cc's???????

    i just got my 250r bored 2mm from 70 mm to 72 mm so how many cc's does that make the engine now?
    I'm currently riding:
    1984 honda110
    1982 honda185s
    1986 honda bigRed

    1984 honda 250R-- .80 over, cobra expansion chamber, shaved head, decked cylinder, larger carb., carbon-fiber reeds, 18" carsliles, RK race chain, uni-filter.

    1986 yamaha IT200
    1985 yamaha XT250
    1978 Italie Snark Moped
    and some vintage dirtbike.
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  2. 05-19-2003, 11:16 AM #2
    TimSr's Avatar
    TimSr
    TimSr is offline Banned The day begins with 3WW
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    CCs = .7854 x bore x bore x stroke
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  3. 05-19-2003, 12:39 PM #3
    trikeman's Avatar
    trikeman
    trikeman is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Dec 2002
    Location
    Tug Hill, NY
    --
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    ok thanks tim
    I'm currently riding:
    1984 honda110
    1982 honda185s
    1986 honda bigRed

    1984 honda 250R-- .80 over, cobra expansion chamber, shaved head, decked cylinder, larger carb., carbon-fiber reeds, 18" carsliles, RK race chain, uni-filter.

    1986 yamaha IT200
    1985 yamaha XT250
    1978 Italie Snark Moped
    and some vintage dirtbike.
    Reply With Quote Reply With Quote
  4. 05-19-2003, 12:58 PM #4
    trikeman's Avatar
    trikeman
    trikeman is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Dec 2002
    Location
    Tug Hill, NY
    --
    237
    i moved up from a 1.5 mm over bore to a 2.0mm over bore is there anything i need to do with the jets on my carb? or anything else to the engine?
    I'm currently riding:
    1984 honda110
    1982 honda185s
    1986 honda bigRed

    1984 honda 250R-- .80 over, cobra expansion chamber, shaved head, decked cylinder, larger carb., carbon-fiber reeds, 18" carsliles, RK race chain, uni-filter.

    1986 yamaha IT200
    1985 yamaha XT250
    1978 Italie Snark Moped
    and some vintage dirtbike.
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  5. 05-19-2003, 01:25 PM #5
    Bill X_R
    Bill X_R is offline Bill "The Finger" XR oo|oo Arm chair racerJust too addicted
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    I would start by ridding it first and then go from there...I would think that it would not need anything.

    I've been wrong trailprotrailpro though!!!!
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  6. 05-20-2003, 10:13 AM #6
    trikeman's Avatar
    trikeman
    trikeman is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Dec 2002
    Location
    Tug Hill, NY
    --
    237
    ok thanks guys
    I'm currently riding:
    1984 honda110
    1982 honda185s
    1986 honda bigRed

    1984 honda 250R-- .80 over, cobra expansion chamber, shaved head, decked cylinder, larger carb., carbon-fiber reeds, 18" carsliles, RK race chain, uni-filter.

    1986 yamaha IT200
    1985 yamaha XT250
    1978 Italie Snark Moped
    and some vintage dirtbike.
    Reply With Quote Reply With Quote
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