890 Big Bore Kit

topomountain

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has anyone installed the 890 Big Bore Kit. I have heard that is you map your computer correctly it is a substantial improvement to your sleds power. Looking to see where one can be purchased from and where to send your computer for correct mapping.
 

pistonbroke800

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Are you talking about the RKT 860 with his ecm re flash? There is also a re flash from the dealer that will take some sensitivity away from your knock sensor. Are you maybe talking about turbo al's 888 kit?
 
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