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Thread: 85 250r

  1. #1
    Join Date
    Jun 2011
    Location
    illinois
    --
    49

    85 250r

    how do u know if its a long rod motor?
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  2. #2
    Join Date
    Jun 2010
    Location
    House Springs MO
    --
    5,494
    It will have the 87-89 piston or the 85-86 piston with a spacer plate.

  3. #3
    Join Date
    Jun 2011
    Location
    illinois
    --
    49
    so if it is supposed to be stock it will not have the long rod?
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  4. #4
    200xranger's Avatar
    200xranger is offline At The Back Of The Pack Arm chair racerFirst time rider
    Join Date
    Jun 2007
    Location
    St. Louis
    --
    207
    87-89 were long rod motors from the factory. i have an 86 motor with the 87-89 long rod with an aftermarket spacer plate under the cylinder to raise it the difference of the two rods
    Three Wheels Are Better Than Four!!
    My Rides:
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    85 tri z
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  5. #5
    Join Date
    Jun 2010
    Location
    House Springs MO
    --
    5,494
    Quote Originally Posted by 200xranger View Post
    87-89 were long rod motors from the factory. i have an 86 motor with the 87-89 long rod with an aftermarket spacer plate under the cylinder to raise it the difference of the two rods
    Its the two pistons that make the difference. If you would run a 87-89 piston you wouldn't need the spacer.

  6. #6
    Join Date
    Jun 2011
    Location
    illinois
    --
    49
    got it
    thanks for the responses
    Go Or Blow

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