If you have to undertake maintenance to your Polini X Supermotard then it is usually a good plan to have a Workshop Manual for a reference just in case you need to know proven methods to remove a specific part for example, the Gearbox and match it again adequately.
Polini X Supermotard Workshop Manuals will give you unique diagnostic details on your vehicle therefore if something is playing up it will help you discover what the problem is and easy methods to correct it. You will be able to decide if this can be achieved on your own or in case the job is just too big you could book your X Supermotard right into a trusted mechanic.
Polini X Supermotard manual