it does not belong, potentially causing them to malfunction.
it is best to check the level of the oil in the engine before you start the lawn mower before each use, while the engine is still cool. if you check it after use, make sure to let the engine cool down completely to avoid accidentally touching the engine and burning yourself. when checking the oil, make sure your machine is on level ground; you will get a false reading if the machine is not level.
if the oil level is fine and the oil appears clean and dark amber in color, you can go ahead and mow the lawn; your engine oil 