The type of maintenance a lawnmower needsdepends on the model, its age and how often you use it. Most mowers have a 4-stroke engine with a separate crankcase for the oil. Check the oil each time you use the mower, or you could end up with a seized engine and a stiff repair bill....
After you gas up your mower with straight gas, you have two more steps to complete. Use the pull cord to start the mower and then, in step two we engage the blades. Normally there is a small button on a bar which we must depress. Obviously, different machines have different set-ups....