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Thread: how much hp?

  1. 05-05-2009, 07:37 PM #1
    c10-chevy
    c10-chevy is offline New to the board Arm chair racerNew to the board
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    Talking how much hp?

    how much hp will this motor make ( on estimate) 1985 atc 200x 1mm over bore 12:1 piston bigger cam ( not sure on exact size but the cam lobes are a little less than a 1/4 inch bigger than the stock one) and c16 race fuel, k&n filter, kerker exhaust. im just lookin for an estimate on the power it will make. also where can i find a tach and speedo for this trike. it would be nice to have one, thanks
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  2. 05-05-2009, 07:44 PM #2
    cr480r's Avatar
    cr480r
    cr480r is offline Power User Got the holeshot
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    I would guess about 12.5 hp..maybe more if you had a 5/16 cam
    2-stroke lover
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  3. 05-05-2009, 07:47 PM #3
    c10-chevy
    c10-chevy is offline New to the board Arm chair racerNew to the board
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    thats not to bad. i would get the exact specs but i dont have a micrometer big enough. im happy as long as it will be faster than stock
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  4. 05-05-2009, 08:20 PM #4
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    daniel_250r
    daniel_250r is offline Got The Holeshot Arm chair racerJust too addicted
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    i heard they are 17 stock at the crank and the utility 200's are 13
    proud owner of a trx300ex quad and an 85 atc 70
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  5. 05-05-2009, 08:25 PM #5
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    Hoosier_Daddy
    Hoosier_Daddy is offline Got The Holeshot Arm chair racerJust too addicted
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    I estimate about 20-23 hp.
    https://t.me/pump_upp
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  6. 05-05-2009, 08:58 PM #6
    trizilla
    trizilla is offline Power User Roostin Away
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    [QUOTE=c10-chevy;741577]how much hp will this motor make ( on estimate) 1985 atc 200x 1mm over bore 12:1 piston bigger cam ( not sure on exact size but the cam lobes are a little less than a 1/4 inch bigger than the stock one) and c16 race fuel, k&n filter, kerker exhaust. im just lookin for an estimate on the power it will make.

    i found this searching. pretty interesting.
    http://www.3wheelerworldforums.com/s...00x+horsepower
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  7. 05-05-2009, 09:14 PM #7
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    Vealmonkey
    Vealmonkey is offline Power User The day begins with 3WW
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    You will have to play with the cylinder to help you get some really big power out of the engine. The potential is there though. But big power means you will loose alot of rideability unless all you are doing is wide open throttle riding. Big horsepower doesn't work well in the woods or for most pleasure riding.
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  8. 05-05-2009, 10:21 PM #8
    c10-chevy
    c10-chevy is offline New to the board Arm chair racerNew to the board
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    i was told that with the setup im going to run that it will have good performance and still be reliable. most of the riding is full throttle. the only reason for using the 12:1 piston is i got a good deal on it and it was brand new so ill put it to use
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  9. 05-06-2009, 12:34 PM #9
    trizilla
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    here's some more info i found. around page 26-27 of this mag scan shows different hp ratings for a kerker set up.
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  10. 05-10-2009, 10:30 AM #10
    trizilla
    trizilla is offline Power User Roostin Away
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    sorry,forgot to post the link. here ya go...
    http://www.3wheelerworldforums.com/s...eeler+magazine
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