If you need to conduct maintenance on your Yamaha WR 250 F then it will always be a good plan to own a Workshop Manual to use as personal reference just in case you want to know how you can strip off a certain part such as the Dashboard and match it again in the right way.
Yamaha WR 250 F Workshop Manuals can offer you distinct diagnostic info with regards to your car so if something is not working it can help you work out what the issue is and easy methods to resolve it. Then you are able to determine if you can do this on your own or if the job is just too big you can still book your WR 250 F right into a local friendly mechanic.
Yamaha WR 250 F manual