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98 zr600 efi falls on its face lost power,found tail light wire bare and rubbing on seat bolt,fixed wire still after warming it up it falls on face,tested stator tested out good but bought one from ricks on ebay put it in fired up first 5 minutes revs right up then falls off bogs back fires,tested that stator also test good cold or hot,changed fuel pump same thing happened,pick up coil test out good,throttle switch disconnected and so is all kill switches,reeds aren't broke u can see daylight through them..man I need someones brain to kick in and give me a little help there is no truble code flashing is it the ecu?