Have to go with SSie ones then 
  http://www.ebay.co.uk/itm/Ducati-coi...em3a7fa  f3046  http://www.ebay.co.uk/itm/DUCATI-620...em5654c  30150  or do they need to be NEW if so 
 Be worth trying a DS one but suspect they work as a push-pull coil so may work if you earth one of the HT outputs
  
 
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