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  1. #1
    CASMAN86's Avatar
    Join Date
    Jul 2012
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    Spokane, Washington
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    31

    Tight wrist pins PSI 990

    I just got the rest of the parts I need to put the 94 PSI Genesis 990cc back together. I tried to slide the wrist pins into the bearings while in the rod and they are tight. I can push them in by hand but its tough. They are new stock bearings, wiseco wrist pins and stock rods. They turn ok when installed but they don't float back and forth. I'm putting together a 787cc at the same time and they float back and fourth. They measure up like they should fit. Do they break-in? Any idea's guys.


  2. #2
    SPEED KILLS, BUT YOU GET THERE QUICKER Keddano's Avatar
    Join Date
    Jul 2007
    Location
    Cedar Rapids,Iowa
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    6,381
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    I would contact Wisco. They should be the same. Unless Wisco has sized their wrist pins different.

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