If you want to carry out maintenance tasks on your own Lem Recreational Four X then it is always a good idea to have access to a Workshop Manual for a reference in the event that you want to know how you can remove a certain component for instance the Gearbox and fit it again accordingly.
Lem Recreational Four X Workshop Manuals will provide you with specified diagnostic guidelines with regards to your car so if something is not working it helps you discover what the problem is and some ways to fix it. After that you can evaluate if this can be achieved by yourself or if ever the job is too big you can actually book your Recreational Four X into a nearby friendly mechanic.
Lem Recreational Four X manual