If you choose to carry out adjustments for your Rieju Pacific 125 then it is always a good idea to possess a Workshop Manual to keep just for reference if perhaps you need to know techniques to take off a specific part for instance the Exhaust and install it again accordingly.
Rieju Pacific 125 Workshop Manuals will give distinct diagnostic guidelines on your vehicle so if something is not working it helps you find out what the issue is and some ways to resolve it. Then you are able to evaluate if this can be achieved yourself or if ever the job is too big you can actually make a booking for your Pacific 125 into a decent garage.
Rieju Pacific 125 manual