If you choose to do repairs on your Hercules K 105 X then it is usually a good plan to have a Workshop Manual for personal reference should you need to know the best way to remove a certain part like the Exhaust and install it again correctly.
Hercules K 105 X Workshop Manuals offers clear unique diagnostic guidelines for your vehicle therefore if something is not working it will help you discover what the situation is and tips to repair it. You will be able to analyse if you can do this by yourself or in case the job is too big you can book your K 105 X in to a nearby mechanic.
Hercules K 105 X manual