If you choose to undertake repairs to your Piaggio Liberty 125 then it is usually a good plan to have a Workshop Manual to use as a guide just in case you want to know ways to strip off a specific component such as the Gearbox and match it again adequately.
Piaggio Liberty 125 Workshop Manuals offers you identifiable diagnostic information for your car so if something is not working it will help you ascertain what the problem is and some ways to resolve it. You can then determine if this can be achieved by yourself or if the job is just too big you can book your Liberty 125 right into a nearby friendly mechanic.
Piaggio Liberty 125 manual