If you want to execute maintenance tasks for your Kymco Stryker then it is always recommended to have access to a Workshop Manual to use as reference if you want to know ways to take off a specific component for example the Door and fit it again appropriately.
Kymco Stryker Workshop Manuals gives you particular diagnostic facts for your vehicle therefore if something is broken it will help you identify what the problem is and how to resolve it. After that you can decide if this can be achieved yourself or in case the job is too big you can actually make a reservation for your Stryker right into a suitable car garage.
Kymco Stryker manual