If you want to do fixes to your Yamaha Raptor 350 then it is usually recommended to have a Workshop Manual for a guide in case that you want to know the best way to take out a particular part for example Brake Discs and fit it again perfectly.
Yamaha Raptor 350 Workshop Manuals will give exact diagnostic wisdom for your automobile therefore if something is faulty it helps you figure out what the problem is and tips on how to repair it. After that you can decide if this can be achieved on your own or in case the job is simply too big you could book your Raptor 350 into a suitable repair garage.
Yamaha Raptor 350 manual