stumbled on this while looking at every available ducati engine pic on the internet ducati 900ss engine - SOLIDWORKS - 3D CAD model - GrabCAD
model weight or actual part mass Bradders? - I don't know of any which have the individual components modeled, which is a shame really, so any mass calculations would be grossly inaccurate as they'll just measure the whole solid as one body. model weight is quite light all things considering - obviously depending on whether you wanted step / iges or native part file. they're compressed down so extract to around 33mb for the STEP file.