040049110 - This is a well made reproduction item. M22 Case Plug & Alloy Crush Washer.
This is an M22 x 1.5 thread plug which uses a 21mm socket or wrench.
For all singles and twins including; 900SS, Darmah & GTS etc. Replaces Ducati #400.49.090
[NOTE: This doesn't fit bosch ignition twins with no electric start M24 upper plug Ducati #769.49.010]