The IPL for the 10T502's is a common one for Types 0001-3840 anyway.
Here 'tis:
http://bsintek.basco.com/BriggsDocumentDisplay/18ktuKXTnfBhU7y.pdfLooks like they all use that 795477 carby AVB shows above. Unlike his side of the pond, genuine OEM carbies aren't cheap in Oz. There is one FleaBay Oz seller offering a clone for $29, though.