Buzzer I'm sure you know about this problem but for the benefit of other readers I had to have a crankcase split purely because the crankshaft oil gallery plug was backing out and would/might have eventually caused a catastrophic failure. It was loose in that it could be rotated by a screwdriver from the crankcase opening and you can't ignore doing something about it 2p worth of Loctite at the Ducati factory would have saved a lot of expense for future owners.
Here's an extract from "Ducati Up North" on the subject:
"The first problem is a design flaw in the pre-2000 model-year bikes that have an aluminum crankshaft oil gallery plug that can loosen and back-out. In doing so, the rotation of the crankshaft will machine the plug down until the plug eventually comes out and the engine experiences a catastrophic loss of oil pressure that destroys the main bearings (among other things.) The aluminum particles will end-up on the filter screen."
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