If you choose to perform adjustments on your Kymco Nexxon 125 then it will always be a great idea to possess a Workshop Manual to use as a guide in the event you need to know methods to remove a particular part like the Gearbox and install it again accordingly.
Kymco Nexxon 125 Workshop Manuals offers clear distinct diagnostic info with regards to your car therefore if something is playing up it can help you determine what the situation is and tips to fix it. You will be able to determine if you can do this yourself or in the event the job is too big you can still book your Nexxon 125 in with a local car garage.
Kymco Nexxon 125 manual