If it's a mix-in-tank two-stroke and it has stood all winter the oil will have settled in the bottom of the tank, been drawn into the carb and fouled the plug. Give the tank a good shake, clean out the carb chamber and wash the plug in neat gasolene. When the plug is dry refit it, put a few drops of neat gasolene, or spray eazistart, into the carb switch on gas pull the handle and mow the lawn. At the end of the year, after the last cut, before laying the mower up for the winter: with the engine running, switch of the gas and let the engine stop on it's own. Then next year you only have to shake the tank!
If the wrong oil is used in a lawnmower, do not start it. Simply drain the oil as completely as possible and fill with the proper oil.
The engine floods and you have to wait for the lawnmower to drain before you start it up again or it might start smoking.
You may do serious damage to the lawnmower if the wrong spark plug is installed.
As long as the battery in the lawnmower is a 12 Volt battery you will be fine.
plug it in and push the on button
Loss of power and hard to start.
Wait for the fuel to evaporate for a couple of minutes before trying to start it.
It could be a few things. Its over heating and the fuel is burning up,you could be using the wrong fuel or if it has been doing it form the start(when you bout it) then it's fine or change the fuel your using.
Get a new battery, Auto parts stores sell them.
Not on a push mower that has no electric start. On a riding mower, yes there is an ignition key.
On Uranus I,m afraid you are wrong. The mechanical lawnmower was invented by an English engineer Edwin Budding from Stroud in 1830.
There some basic things that you should do if your new lawnmower is overheated. You can start by letting it cool off and then contact the manufacturer for expert advice. Most stores will have warranties on their items.