Your lawnmower is just like your car in that it works its best when it’s regularly maintained. Just as you bring your car into the shop every few thousand miles to change the oil and rotate the tires, you should give your mower a tune-up after a handful of uses. But to the uninitiated, the huge selection of mower oils can be intimidating. How do you know which type of oil to choose for your mower? How much does it need? How often should you change it? The Longwood mower parts