Ducati starter motor

I have 2 monsters in my barn right now, the starter motor is, well is not the easiest. First, is it the starter gone bad or the relay? Check the fuse. Then check the relay, bottom right of the air filter housing, rubber mounted, make sure it cliks when the key is on and the starter button is hit, then check the battery, make sure it is good, then if all this checks out, check the wiring. If it is still a bad starter, remove the crank case cover on the left, rotate the starter gear to align the bolt, unscrew the 3 bolts, and replace the gasket when putting in the new starter. Don't forget to take the battery negative off, and wire on the starter motor. Good luck.