If you choose to perform fixes on your own Highland 450 MX then it is usually recommended to have access to a Workshop Manual for a guide in the event that you want to know proven methods to strip off a certain part like the Wheel and fit it again in the right way.
Highland 450 MX Workshop Manuals will give specific diagnostic wisdom on your vehicle so if something is broken it helps you identify what the problem is and the way to make it better. You can then analyse if you can do this on your own or in case the job is just too big you could make a booking for your 450 MX right into a local repair garage.
Highland 450 MX manual