How to Get My Briggs & Stratton Lawn Mower to Start Check the manual that came with your mower to determine the type of ignition system it has. Locate the priming bulb. Squeeze the handle lever to disengage the engine brake, if there is one. Start a mower equipped with the Ready Start Electric ignition system by turning the key to the Start position. Click to see full answer. Furthermore, how do you start a lawn mower for the first time? Steps Prepare to start the lawnmower. Move the lawnmower to an open, grassy area. Make sure your mower has gas and oil. If your mower has a 4-stroke engine, you can check the oil by opening the oil fill cap or dipstick. Check the spark plug. Prime the carburetor. Open the throttle. Pull the starter cord. Similarly, how do you fix a Briggs and Stratton lawn mower? Your Mower Won’t Start: Loose, Dirty or Disconnected Spark Plug in Your Lawn Mower: Check it out, clean off debris, re-connect and tighten. Dirty Air Filter: Clean or replace. Fuel Not Reaching the Engine: Tap the side of the carburetor to help the flow of gas. If this doesn’t work, you might need a new fuel filter. Accordingly, is Briggs and Stratton A good lawn mower? Consistent starts: Briggs and Stratton engines have reliable and consistent starts. Wide power range: The company creates small engines for basic riding mowers up to commercial grade equipment. Best for: Riding mower owners replacing or upgrading their current engine.Why is it so hard to start a lawn mower?A clogged fuel filter is most commonly caused by leaving old fuel in the lawn mower. This sticky fuel can clog up the fuel filter and make the engine hard to start. If old fuel was left in the lawn mower, drain the old fuel from the fuel tank and replace the fuel filter.