If you wish to carry out repairs for your Laverda 668 then it will always be a good plan to have a Workshop Manual to keep just for a guide if you need to know how to take out a particular component for instance the Drive Shaft and match it again accurately.
Laverda 668 Workshop Manuals gives you particular diagnostic wisdom for your vehicle therefore if something is not working it will help you find out what the problem is and easy methods to make it better. You will be able to assess if this can be done on your own or in the event the job is simply too big it is possible to book your 668 into a local car garage.
Laverda 668 manual