First make sure the bike is in neutral and push kick start down on right side of the bike.
That depends on what you are using it for. Obviously, if you are dirt biking, you should use a dirt bike, and otherwise use a street bike. Start out with what you are going to use the most - dirt (freestyle) or street racing.
it is broken
Start by lookin at eBay.com, or at dirt bike scrap yards
Sit on it, start it up and ride it.
it won't start.....period
to start of with a50cc
your dirt wont start because if there is no oil there is no oil compression which will cause your dirt bike to not start Answer Before it gets to that point, perform regular maintenance and oil changes. This will increase the life of your engine.
because it did
you use the kickstart usaully
bring it to the shop
It means that somethings wrong with it.
to start the dirt bike you press the red switch on the handle. then make sure the little black lever by the engine is down. then make sure the fuel is open.