Controllo nel ciarpame.
Se non riesci a trovarle qui, in casa:http://www.ebay.com/itm/81-82-Honda-CB900-f-CB900f-CDI-Spark-Units-Ignition-Box-/180760588000?pt=Motorcycles_Parts_Accessories&vxp=mtr&hash=item2a162baee0http://www.ebay.com/itm/Honda-CB900C-Custom-CB900-IGNITOR-SPARK-UNIT-SET-/200677098816?pt=Motorcycles_Parts_Accessories&vxp=mtr&hash=item2eb9498540http://www.ebay.com/itm/1981-Honda-CB900-CB-900-CB900c-SPARK-UNITS-IGNITERS-CDI-/220910771614?pt=Motorcycles_Parts_Accessories&vxp=mtr&hash=item336f4edd9ehttp://www.ebay.com/itm/HONDA-1980-CB650-CB-650-FOUR-CB750-CB900-GL1100-GOLDWING-SPARK-BOXES-MPS-200-/280789348166?pt=Motorcycles_Parts_Accessories&vxp=mtr&hash=item4160596f46cerca sempre di vedere il retro