If you need to execute maintenance to your Ducati Monster S4R S Tricolore then it will always be a good idea to have access to a Workshop Manual to keep just for a reference if perhaps you need to know simple methods to take out a particular part much like the Wheel and install it again in the correct way.
Ducati Monster S4R S Tricolore Workshop Manuals offers clear particular diagnostic info for your automobile so if something is playing up it can help you understand what the situation is and tips on how to repair it. You can then assess if this can be done yourself or in the event the job is just too big you can make a booking for your Monster S4R S Tricolore in to a decent mechanic.
Ducati Monster S4R S Tricolore manual