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Thread: Piston connecting rod different 83-84 200x help

  1. #16
    Toaster556's Avatar
    Toaster556 is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Dec 2010
    Location
    Fraiser Valley, BC, Canada
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    176
    Is that 60-61mm from the gasket face? Can we get a picture of the crank with the cylinder off? Id like to see the crank wheels if possible too, a shot down into the crankcase hole with your flash on should suffice.

  2. #17
    Join Date
    Jan 2007
    Location
    Merrillville,Indiana
    --
    129
    Thats without a gasket. A pic comn up shortly.

  3. #18
    Join Date
    Jan 2007
    Location
    Merrillville,Indiana
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    129
    Click image for larger version. 

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  4. #19
    Join Date
    Jan 2007
    Location
    Merrillville,Indiana
    --
    129
    I hope thats what you were talking about

  5. #20
    Join Date
    Jul 2009
    Location
    South Florida
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    6,726
    You have a long rod stroker crank , pretty rare , It will require a spacer under the cylinder and possibly a longer timing chain . If its to much for you just send it my way ill trade you for a stock crank lol .
    Nice find BTW !
    78 atc 90/180cc Dickson Full Suspension
    76 ATC90/180cc Nicholson
    77 atc 90 Dickson Full Suspension
    84 KLT 110/123cc Powroll Racer from 80s
    87 atc 125m stock
    84 atc 200x Curtis Sparks
    84 atc 200x Powroll My race bike from 80's
    83 atc70/108cc Powroll blue Xmas Special
    81 atc185s HP-ATC full suspension

    Performance Shop is Open PM me for Service

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  6. #21
    Toaster556's Avatar
    Toaster556 is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Dec 2010
    Location
    Fraiser Valley, BC, Canada
    --
    176
    I concur. There may be an alternative piston that MAY work with the stroker crank, I'll get back to you.
    I've heard Shortline does good head work, might be time to build the motor up

  7. #22
    Join Date
    Feb 2003
    Location
    Australia
    --
    927
    You can run a 1.5mm spacer with a stretched cam chain and machine 1.5mm off the piston lip leaving the centre alone. increase the valve pocket depth and you will end up with high comp piston.

  8. #23
    Join Date
    Jan 2007
    Location
    Merrillville,Indiana
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    129
    Wow. My head is spining. Everything you guys mentioned is wayyyyyyy past my grade scale. All I wanted was a good running stock engine. I've got some decitions to make. I wanna thank everybody for all their help in figuren this thing out. Again Thank You. Rich

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