If you wish to accomplish maintenance on your Yamaha WR250R then it is always a good idea to possess a Workshop Manual to use as personal reference if perhaps you need to know methods to take out a particular part like the Dashboard and install it again successfully.
Yamaha WR250R Workshop Manuals can offer you exact diagnostic guides with regards to your vehicle therefore if something is playing up it can help you discover what the situation is and ways to fix it. After that you can evaluate if this can be done on your own or if ever the job is just too big you can still book your WR250R into a decent mechanic.
Yamaha WR250R manual