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Thread: Anyone know of a high compression or overbore pison for an ATC 110

  1. #1
    Join Date
    Aug 2007
    Location
    Brookings, South Dakota
    --
    133

    Anyone know of a high compression or overbore pison for an ATC 110

    My brother has an '84 110 that he wants to squeeze a few more ponies out of. He has a UNI air filter, ported head, and a custom ground cam. He's lookin for some higher compression since the stock is around 8 and a half and more dispacement couldn't hurt. Any help would be Appreciated. THANKS!!!

  2. #2
    Join Date
    Aug 2004
    Location
    Ab Canada
    --
    4,368
    powroll makes a nice kit, for a atc90, 54mm bore, http://www.powroll.com/P_HONDA_90EARLY.htm will work with a 110 long as the cyl hasnt been bored to far
    1985 Tri-Z-

    Quote Originally Posted by mywifeknowseverything
    Just hit the Freakin Gas and Hold on!!!!!

  3. #3
    Join Date
    Mar 2006
    Location
    PA
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    3,515
    the 90 has a smaller pin diameter then the 110 so it wont work


    i looked into this years ago and ended up welding up a stock piston and machined the top.

    i know it sounds scary but its still running and i tried like hell to make it come apart....lol
    80s......185 atc, Yamaha tri-moto 200, 85 200x with tons of work
    90s......89 Suzuki quad racer 250 (raced 250 A class for 6 years, late 90s.. custom framed 250x with long travel shocks and a built 350x motor.... built Honda 110
    00s...... chomeoly framed 350 RX with all the goodies (thanks to my bro)
    2012.....Replaced the 350x motor for a 444cc YZ426
    WWW.HREATV.COM

  4. #4
    Join Date
    Aug 2004
    Location
    Ab Canada
    --
    4,368
    Quote Originally Posted by SWIGIN View Post
    the 90 has a smaller pin diameter then the 110 so it wont work


    i looked into this years ago and ended up welding up a stock piston and machined the top.

    i know it sounds scary but its still running and i tried like hell to make it come apart....lol
    Whoops, coulda sworn they where the same...
    1985 Tri-Z-

    Quote Originally Posted by mywifeknowseverything
    Just hit the Freakin Gas and Hold on!!!!!

  5. #5
    Join Date
    Aug 2007
    Location
    Brookings, South Dakota
    --
    133
    Well Thanks anyway guys

  6. #6
    Join Date
    Jun 2005
    Location
    Randolph NY
    --
    597
    www.denniskirk.com has high comp pistons for the 110 and overbored

  7. #7
    Join Date
    Mar 2006
    Location
    PA
    --
    3,515
    Quote Originally Posted by Somekindofjerk View Post
    www.denniskirk.com has high comp pistons for the 110 and overbored
    not that i see
    80s......185 atc, Yamaha tri-moto 200, 85 200x with tons of work
    90s......89 Suzuki quad racer 250 (raced 250 A class for 6 years, late 90s.. custom framed 250x with long travel shocks and a built 350x motor.... built Honda 110
    00s...... chomeoly framed 350 RX with all the goodies (thanks to my bro)
    2012.....Replaced the 350x motor for a 444cc YZ426
    WWW.HREATV.COM

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