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  1. YFZ 450 - 05 strange noise after rebuild

    YFZ450 & YFZ450R General talk
    Hi All, I am new to the forum and looking for some assistance, I have rebuild my 05 YFZ 450, new hot rod crank, big-end bearings, Piston and head gasket. once I finished it up, I first turned it over by hand without the spark plug and no fuel to make sure it span freely and no odd sounds, I...
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