If you want to perform adjustments to your Yamaha G5 then it is usually a good plan to have a Workshop Manual to use as a reference in the event you need to know how you can take off a specific component much like the Door and fit it again adequately.
Yamaha G5 Workshop Manuals will give certain diagnostic wisdom for the automobile therefore if something is playing up it will help you work out what the situation is and tips on how to correct it. You can then evaluate if this can be done by yourself or in the event the job is simply too big you can book your G5 into a suitable repair garage.
Yamaha G5 manual