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About xrxmxcx

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  1. xrxmxcx

    bottom ends

    can a yz400 bottom end mate with a wr400/yz426/yz450 top end? if it uses the yz400 crank?
  2. xrxmxcx

    bottom ends

    im just looking for some info im building a hybrid quad and im looking for a engine to buy or build does anyone know if any yz fourstroke bottom ends are compatible with others? i know yz's/and wr's are pretty close, but what about other engines a list of what works would be a big help