this is my restored Ducati IS 9 as originally fitted with alpha pump. it has a 2 inch suction and 1.5 inch outlet but has a very high output. it is irrigating a sprinkler system here. enjoy it :)
Parts are not available for any of these so you must take care of it to the upmost some parts you may be able to cross reference such as piston rings maybe the injection pump and injector but otherwise gaskets you must have make or do yourself junk engines can be found overseas but here in the US good luck