If you have to conduct repairs on your own Yamaha DT200R then it will always be a good idea to own a Workshop Manual for a reference in case that you want to know tips on how to remove a specific component like the Door and fit it again adequately.
Yamaha DT200R Workshop Manuals offers you special diagnostic facts for your car so if something is not working it helps you understand what the situation is and tips on how to repair it. After that you can decide if this can be done by yourself or if the job is just too big it is possible to make a reservation for your DT200R in to a nearby car garage.
Yamaha DT200R manual