If you have to do repairs on your TM racing EN 125 then it is usually a good plan to own a Workshop Manual to use as a guide if perhaps you want to know easy methods to remove a certain part much like the Exhaust and fit it again accurately.
TM racing EN 125 Workshop Manuals can provide particular diagnostic facts on your vehicle therefore if something is faulty it can help you figure out what the situation is and ways to repair it. Then you are able to decide if this can be done on your own or in case the job is too big you can actually make a booking for your EN 125 in with a suitable repair garage.
TM racing EN 125 manual