If you wish to accomplish adjustments to your Honda XL 250 then it is usually a good plan to have a Workshop Manual to keep just for personal reference in case that you need to know the best ways to remove a particular component for example, the Gearbox and match it again appropriately.
Honda XL 250 Workshop Manuals offer you unique diagnostic guidelines for the car so if something is not working it can help you understand what the problem is and tips on how to repair it. You will be able to evaluate if you can do this by yourself or if the job is too big you can still make a booking for your XL 250 right into a trusted friendly mechanic.
Honda XL 250 manual