If you need to carry out auto repairs on your Laverda 1200 TS then it is usually a great idea to own a Workshop Manual for personal reference just in case you need to know tips on how to take off a specific part including Gearbox and install it again accurately.
Laverda 1200 TS Workshop Manuals will give special diagnostic info for your vehicle therefore if something is wrong it will help you ascertain what the problem is and some ways to correct it. After that you can evaluate if you can do this on your own or in the event the job is too big you can actually make a booking for your 1200 TS in to a trusted mechanic.
Laverda 1200 TS manual