BB, I looked again at the old/improved transmission cover pictured back on page 1. The old (unpainted) cover has a boss in the casting where the hole for the eccentric bolt would be drilled and the area around it machined for the lock nut.  My cover is painted black & has the hole & machined area where the eccentric should be. A brass plug is screwed into the hole.  What does the upgrade kit that Guzzi  had include? A new cover drilled, machined & tapped + the eccentric bolt &nut
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