Stroker conversion
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  • 1 Post By american opel
  • 1 Post By rk88r

Thread: Stroker conversion

  1. #1
    Junior Member metalmulisha93's Avatar
    Join Date
    May 2018
    Belen, NM

    Stroker conversion

    So just blew my top and bottom and and I'm curious what all it requires to do a stroker conversion I already have a DJ racing ported cylinder or jug the cool heads all banged up from when it went out but I have the original head thinking about boring it to a 68 mm stock right now and I was wondering what I would have to do if I put a stroker crank in it display spacer plate what what all is entailed

  2. #2
    Senior Member american opel's Avatar
    Join Date
    Sep 2012
    ashtabula ohio
    just need to swop crank,clearance the case's,and have the cylinder ported for the stroker crank.
    matuus likes this.

  3. #3
    Senior Member 2ndmoto's Avatar
    Join Date
    Mar 2013
    Depending on stroke, you might have to the cases machined for clearance.

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  5. #4
    Senior Member TrailBurner's Avatar
    Join Date
    Jul 2013
    Rochester NH
    Good info, I may be stroking my 253 cc engine this winter, if do for rings etc.
    86 253cc, 40pwk, CT OOF pipe.
    99 583 Formula Z
    74 340 TnT- in progress/restoration
    Owner, hellabrokeNH- coming soon.

  6. #5
    Senior Member rk88r's Avatar
    Join Date
    Aug 2010
    Central Minnesota
    Just for the sake of repetition, the cylinder MUST be ported for a stroked crank. Just spacing it up will give crappy results. The piston travels up and down farther.
    Burns350R likes this.
    Laeger narrow, Protrax, cr500 link, 363
    Stock '88 frame, 265 pv and peps
    Another '88


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