If you want to do auto repairs for your IZH Planeta 4 then it is usually a great idea to own a Workshop Manual for personal reference in case you need to know the best ways to strip off a specific part for example, the Exhaust and match it again properly.
IZH Planeta 4 Workshop Manuals offers you detailed diagnostic guidelines for your automobile therefore if something is broken it helps you work out what the situation is and the way to resolve it. You will be able to assess if you can do this by yourself or if the job is too big you can make a reservation for your Planeta 4 in to a local repair garage.
IZH Planeta 4 manual