If you want to carry out repairs on your Ducati 250 Mark 3 then it will always be a good idea to own a Workshop Manual to keep just for a reference just in case you want to know techniques to remove a specific part such as the Door and install it again in the right way.
Ducati 250 Mark 3 Workshop Manuals will give you distinct diagnostic wisdom on your car therefore if something is not working it helps you work out what the problem is and easy methods to make it better. After that you can assess if this can be done on your own or in case the job is too big you can actually book your 250 Mark 3 into a trusted garage.
Ducati 250 Mark 3 manual