Why does my riding mower shut off when I engage the blade?

If a pulley doesn’t spin freely, it can cause the engine to die when the blades are engaged. The pulleys in your lawn tractor are driven by the drive belt, and turn the spindles. If a pulley doesn’t spin freely, it can cause the engine to die when the blades are engaged.Click to see full answer. Considering this, why does my riding lawn mower keep shutting off?The carburetor might be clogged. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. This sticky fuel can clog up the carburetor and cause the engine to stall. If the carburetor is clogged, try cleaning it with carburetor cleaner. why does my John Deere stall? Most problems that will cause a John Deere lawn mower to stall after 20 minutes occur due to the distribution and rate of flow in the fuel and air systems. If these systems are dirty or restricted, the mower will stall out and be difficult to restart. Similarly, it is asked, how do you engage the blades on a riding lawn mower? How to Engage Lawn Mower Blades on a John Deere Turn the key to the “on” position, advance the throttle to half speed and allow the engine to warm up for 2 minutes. Lower the mower to the desired cutting height. Engage the mower blades; push the lever to the right of the steering wheel all the way forward. How do I know if my lawn mower fuel filter is bad? Here are some warning signs that a fuel filter needs to be replaced. Engine Won’t Start. A really dirty fuel filter may prevent your car from starting at all. Engine Idles Roughly. Engine Hesitates During High-load. Start-Stop Engine Problem.