My Riding Lawn Mower Cuts Away When the Clutch-Brake Is Published



Riding mowers, whether compact riders, lawn in Salt Lake City tractors or zero-turn machines, have beginning mechanisms to crank the piston that turns the crankshaft that turns the wheels and drives the cutting sword. There’s ample inertia to overcome. The transition between beginning and full functioning is regulated by lifting the pedal called the clutch or brake. Release it too fast and the engine could stall, but other motives may cause engine cut-off too.

The Usual Suspects

In addition to allowing the clutch out too soon, a number of problems may kill your engine since it flames. Gasoline’s volatile compounds vanish as it ages, leaving heavy deposits not only in the fuel tank, but also along the fuel line, in the carburetor and as carbon deposits in the valve. Dirty fuel, due to a dirty fuel filter or sediment in the carburetor, can choke a motor since it flames. A clogged air filter leads to flooding every time a balanced, flammable vapor is obligatory for the thrust generated when the spark plug fires.

Suspect Safety Switch

Riding mowers and tractors all need safety gear to protect operators, like a switch under the driver’s chair which trips the motor if the operator leaves the machine. When the wires corrode or debris fills the connector that holds them, the safety switch may be deceived into believing there is no one driving. Although the starter will fire, the safety switch will likely destroy the engine instantly. Do not bypass this essential piece of safety gear — clean or replace a faulty safety switch instantaneously.

Error or Lack of Maintenance

Other motives for a motor that stalls on startup might be due to operator error. If the fuel tank is empty or you’ve left the throttle in the choke position — or opened it too slowly — the engine will cut off. Smooth starts also depend on simple movement of engine parts and the crankshaft, so an empty crankcase or low oil level may lead to seizing and stalling. Leaves, twigs and other debris permitted to collect under the deck may obstruct belts and moving parts on startup, so wash out these places after mowing.

Mechanical Problems

Several mechanical problems cause stalling during operation and at startup. Some of these can result from the vibration of the engine. A spark plug fouled with gas deposits, one having too broad of a gap or a single with loose electrical wires cannot fire properly. A polluted or damaged gas cap that does not vent properly produces a vacuum in the gas tank which prevents fuel from travel freely. Poorly adjusted carburetors or valves withstand movement and worn or brittle gaskets do not permit required compression in the valve. Regular maintenance at the intervals recommended in your operator’s manual can stop most of these starting problems.