Mini moto maintenance of your mini-bike should be a priority if your using it regularly. Even simple checks will save your pocket on repair bills. Find yourself a cheap set of tools, which can be bought from eBay or the local classified ads.
If you don’t feel confident enough, have someone who is a mechanic or knows about bikes to check this over for you.If you are entering races or giving the bike many hours of use, always check basics, tyres, brakes, engine and you can tell by the noise the engine makes, if your riding the bike and you know it doesn’t feel right, get it fixed ASAP.
Motocross Bike Maintenance (applies to minibikes too.)
Old dirt bikes
Buying old dirt bikes will definitely get you some cheap pocket dirt bike bargains. But your certainly going to need to know how to keep maintaining dirt bike parts, on your cycle. From a dirt bike air filter, to changing a dirtbike tire. So read up and never tackle anything you don’t know, it may work out more expensive getting someone else to fix your mistakes.